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Posted to commits@mahout.apache.org by sr...@apache.org on 2010/09/03 14:28:41 UTC
svn commit: r992277 [8/9] - in /mahout/trunk:
core/src/main/java/org/apache/mahout/ep/
core/src/main/java/org/apache/mahout/fpm/pfpgrowth/
core/src/test/java/org/apache/mahout/cf/taste/common/
core/src/test/java/org/apache/mahout/cf/taste/hadoop/ core/...
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/VectorTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/VectorTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/VectorTest.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/VectorTest.java Fri Sep 3 12:28:34 2010
@@ -18,19 +18,22 @@
package org.apache.mahout.math;
import org.apache.mahout.math.function.Functions;
+import org.junit.Test;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
-public class VectorTest extends MahoutTestCase {
+public final class VectorTest extends MahoutTestCase {
+ @Test
public void testSparseVector() {
Vector vec1 = new RandomAccessSparseVector(3);
Vector vec2 = new RandomAccessSparseVector(3);
doTestVectors(vec1, vec2);
}
+ @Test
public void testEquivalent() {
//names are not used for equivalent
RandomAccessSparseVector randomAccessLeft = new RandomAccessSparseVector(3);
@@ -113,7 +116,7 @@ public class VectorTest extends MahoutTe
right.setQuick(1, 5);
right.setQuick(2, 6);
double result = left.dot(right);
- assertEquals(32.0, result);
+ assertEquals(32.0, result, EPSILON);
String formattedString = left.asFormatString();
//System.out.println("Vec: " + formattedString);
Vector vec = AbstractVector.decodeVector(formattedString);
@@ -121,6 +124,7 @@ public class VectorTest extends MahoutTe
assertEquals(vec, left);
}
+ @Test
public void testGetDistanceSquared() {
Vector v = new DenseVector(5);
Vector w = new DenseVector(5);
@@ -156,11 +160,12 @@ public class VectorTest extends MahoutTe
w.setQuick(4, 2.1);
}
- public void doTestGetDistanceSquared(Vector v, Vector w) {
+ private void doTestGetDistanceSquared(Vector v, Vector w) {
double expected = v.minus(w).getLengthSquared();
assertEquals(expected, v.getDistanceSquared(w), 1.0e-6);
}
+ @Test
public void testGetLengthSquared() {
Vector v = new DenseVector(5);
setUpV(v);
@@ -182,17 +187,17 @@ public class VectorTest extends MahoutTe
return d;
}
- public void doTestGetLengthSquared(Vector v) {
+ private void doTestGetLengthSquared(Vector v) {
double expected = lengthSquaredSlowly(v);
assertEquals("v.getLengthSquared() != sum_of_squared_elements(v)", expected, v.getLengthSquared(), 0.0);
v.set(v.size()/2, v.get(v.size()/2) + 1.0);
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via set() fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via set() fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.setQuick(v.size()/5, v.get(v.size()/5) + 1.0);
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via setQuick() fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via setQuick() fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
Iterator<Vector.Element> it = v.iterator();
while(it.hasNext()) {
@@ -202,7 +207,7 @@ public class VectorTest extends MahoutTe
}
}
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via dense iterator.set fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via dense iterator.set fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
it = v.iterateNonZero();
int i = 0;
@@ -214,50 +219,51 @@ public class VectorTest extends MahoutTe
}
}
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via sparse iterator.set fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via sparse iterator.set fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.assign(3.0);
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via assign(double) fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via assign(double) fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.assign(Functions.SQUARE);
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via assign(square) fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via assign(square) fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.assign(new double[v.size()]);
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via assign(double[]) fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via assign(double[]) fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.getElement(v.size()/2).set(2.5);
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via v.getElement().set() fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via v.getElement().set() fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.normalize();
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via normalize() fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via normalize() fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.set(0, 1.5);
v.normalize(1.0);
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via normalize(double) fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via normalize(double) fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.times(2.0);
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via times(double) fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via times(double) fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.times(v);
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via times(vector) fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via times(vector) fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.assign(Functions.POW, 3.0);
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via assign(pow, 3.0) fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via assign(pow, 3.0) fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.assign(v, Functions.PLUS);
expected = lengthSquaredSlowly(v);
- assertEquals("mutation via assign(v,plus) fails to change lengthSquared", expected, v.getLengthSquared());
+ assertEquals("mutation via assign(v,plus) fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
}
+ @Test
public void testIterator() {
Collection<Integer> expectedIndices = new HashSet<Integer>();
@@ -294,9 +300,9 @@ public class VectorTest extends MahoutTe
Vector.Element element = allIterator.next();
assertEquals(index, element.index());
if (expectedIndices.contains(index)) {
- assertEquals((double) index * 2, element.get());
+ assertEquals((double) index * 2, element.get(), EPSILON);
} else {
- assertEquals(0.0, element.get());
+ assertEquals(0.0, element.get(), EPSILON);
}
index++;
}
@@ -306,12 +312,13 @@ public class VectorTest extends MahoutTe
Vector.Element element = nonZeroIterator.next();
index = element.index();
assertTrue(expectedIndices.contains(index));
- assertEquals((double) index * 2, element.get());
+ assertEquals((double) index * 2, element.get(), EPSILON);
expectedIndices.remove(index);
}
assertTrue(expectedIndices.isEmpty());
}
+ @Test
public void testNormalize() {
Vector vec1 = new RandomAccessSparseVector(3);
@@ -395,6 +402,7 @@ public class VectorTest extends MahoutTe
}
}
+ @Test
public void testMax() {
Vector vec1 = new RandomAccessSparseVector(3);
@@ -443,30 +451,31 @@ public class VectorTest extends MahoutTe
vec1 = new RandomAccessSparseVector(3);
max = vec1.maxValue();
- assertEquals(max + " does not equal 0", 0.0, max);
+ assertEquals(max + " does not equal 0", 0.0, max, EPSILON);
vec1 = new DenseVector(3);
max = vec1.maxValue();
- assertEquals(max + " does not equal 0", 0.0, max);
+ assertEquals(max + " does not equal 0", 0.0, max, EPSILON);
vec1 = new SequentialAccessSparseVector(3);
max = vec1.maxValue();
- assertEquals(max + " does not equal 0", 0.0, max);
+ assertEquals(max + " does not equal 0", 0.0, max, EPSILON);
vec1 = new RandomAccessSparseVector(0);
max = vec1.maxValue();
- assertEquals(max + " does not equal -inf", Double.NEGATIVE_INFINITY, max);
+ assertEquals(max + " does not equal -inf", Double.NEGATIVE_INFINITY, max, EPSILON);
vec1 = new DenseVector(0);
max = vec1.maxValue();
- assertEquals(max + " does not equal -inf", Double.NEGATIVE_INFINITY, max);
+ assertEquals(max + " does not equal -inf", Double.NEGATIVE_INFINITY, max, EPSILON);
vec1 = new SequentialAccessSparseVector(0);
max = vec1.maxValue();
- assertEquals(max + " does not equal -inf", Double.NEGATIVE_INFINITY, max);
+ assertEquals(max + " does not equal -inf", Double.NEGATIVE_INFINITY, max, EPSILON);
}
+ @Test
public void testMin() {
Vector vec1 = new RandomAccessSparseVector(3);
@@ -515,36 +524,38 @@ public class VectorTest extends MahoutTe
vec1 = new RandomAccessSparseVector(3);
max = vec1.maxValue();
- assertEquals(max + " does not equal 0", 0.0, max);
+ assertEquals(max + " does not equal 0", 0.0, max, EPSILON);
vec1 = new DenseVector(3);
max = vec1.maxValue();
- assertEquals(max + " does not equal 0", 0.0, max);
+ assertEquals(max + " does not equal 0", 0.0, max, EPSILON);
vec1 = new SequentialAccessSparseVector(3);
max = vec1.maxValue();
- assertEquals(max + " does not equal 0", 0.0, max);
+ assertEquals(max + " does not equal 0", 0.0, max, EPSILON);
vec1 = new RandomAccessSparseVector(0);
max = vec1.maxValue();
- assertEquals(max + " does not equal -inf", Double.NEGATIVE_INFINITY, max);
+ assertEquals(max + " does not equal -inf", Double.NEGATIVE_INFINITY, max, EPSILON);
vec1 = new DenseVector(0);
max = vec1.maxValue();
- assertEquals(max + " does not equal -inf", Double.NEGATIVE_INFINITY, max);
+ assertEquals(max + " does not equal -inf", Double.NEGATIVE_INFINITY, max, EPSILON);
vec1 = new SequentialAccessSparseVector(0);
max = vec1.maxValue();
- assertEquals(max + " does not equal -inf", Double.NEGATIVE_INFINITY, max);
+ assertEquals(max + " does not equal -inf", Double.NEGATIVE_INFINITY, max, EPSILON);
}
+ @Test
public void testDenseVector() {
Vector vec1 = new DenseVector(3);
Vector vec2 = new DenseVector(3);
doTestVectors(vec1, vec2);
}
+ @Test
public void testVectorView() {
RandomAccessSparseVector vec1 = new RandomAccessSparseVector(3);
RandomAccessSparseVector vec2 = new RandomAccessSparseVector(6);
@@ -568,10 +579,11 @@ public class VectorTest extends MahoutTe
}
for (int i = 0; i < test.length; i++) {
- assertEquals(apriori[i], test[i]);
+ assertEquals(apriori[i], test[i], EPSILON);
}
}
+ @Test
public void testEnumeration() {
double[] apriori = {0, 1, 2, 3, 4};
@@ -598,6 +610,7 @@ public class VectorTest extends MahoutTe
}
+ @Test
public void testAggregation() {
Vector v = new DenseVector(5);
Vector w = new DenseVector(5);
@@ -621,28 +634,29 @@ public class VectorTest extends MahoutTe
private static void doTestAggregation(Vector v, Vector w) {
assertEquals("aggregate(plus, pow(2)) not equal to " + v.getLengthSquared(),
v.getLengthSquared(),
- v.aggregate(Functions.PLUS, Functions.pow(2)));
+ v.aggregate(Functions.PLUS, Functions.pow(2)), EPSILON);
assertEquals("aggregate(plus, abs) not equal to " + v.norm(1),
v.norm(1),
- v.aggregate(Functions.PLUS, Functions.ABS));
+ v.aggregate(Functions.PLUS, Functions.ABS), EPSILON);
assertEquals("aggregate(max, abs) not equal to " + v.norm(Double.POSITIVE_INFINITY),
v.norm(Double.POSITIVE_INFINITY),
- v.aggregate(Functions.MAX, Functions.ABS));
+ v.aggregate(Functions.MAX, Functions.ABS), EPSILON);
assertEquals("v.dot(w) != v.aggregate(w, plus, mult)",
v.dot(w),
- v.aggregate(w, Functions.PLUS, Functions.MULT));
+ v.aggregate(w, Functions.PLUS, Functions.MULT), EPSILON);
assertEquals("|(v-w)|^2 != v.aggregate(w, plus, chain(pow(2), minus))",
v.minus(w).dot(v.minus(w)),
- v.aggregate(w, Functions.PLUS, Functions.chain(Functions.pow(2), Functions.MINUS)));
+ v.aggregate(w, Functions.PLUS, Functions.chain(Functions.pow(2), Functions.MINUS)), EPSILON);
}
- public static void testEmptyAggregate() {
- assertEquals(1.0, new DenseVector(new double[]{1}).aggregate(Functions.MIN, Functions.IDENTITY));
- assertEquals(1.0, new DenseVector(new double[]{2, 1}).aggregate(Functions.MIN, Functions.IDENTITY));
+ @Test
+ public void testEmptyAggregate() {
+ assertEquals(1.0, new DenseVector(new double[]{1}).aggregate(Functions.MIN, Functions.IDENTITY), EPSILON);
+ assertEquals(1.0, new DenseVector(new double[]{2, 1}).aggregate(Functions.MIN, Functions.IDENTITY), EPSILON);
try {
- new DenseVector(new double[]{}).aggregate(Functions.MIN, Functions.IDENTITY);
+ new DenseVector(new double[0]).aggregate(Functions.MIN, Functions.IDENTITY);
fail("Should have thrown exception with empty vector");
} catch (IllegalArgumentException e) {
// as it should be
@@ -651,11 +665,11 @@ public class VectorTest extends MahoutTe
assertEquals(3.0,
new DenseVector(new double[]{1}).aggregate(
new DenseVector(new double[]{2}),
- Functions.MIN, Functions.PLUS));
+ Functions.MIN, Functions.PLUS), EPSILON);
try {
- new DenseVector(new double[]{}).aggregate(
- new DenseVector(new double[]{}),
+ new DenseVector(new double[0]).aggregate(
+ new DenseVector(new double[0]),
Functions.MIN, Functions.PLUS);
fail("Should have thrown exception with empty vector");
@@ -677,6 +691,7 @@ public class VectorTest extends MahoutTe
v.setQuick(3, 2);
}
+ @Test
public void testNameSerialization() {
double[] values = {1.1, 2.2, 3.3};
Vector test = new DenseVector(values);
@@ -692,6 +707,7 @@ public class VectorTest extends MahoutTe
assertEquals("noName and decode are not equal", noName, decode);
}
+ @Test
public void testHashCodeEquivalence() {
// Hash codes must be equal if the vectors are considered equal
Vector sparseLeft = new RandomAccessSparseVector(3);
@@ -735,6 +751,7 @@ public class VectorTest extends MahoutTe
assertEquals(emptyLeft.hashCode(), emptyRight.hashCode());
}
+ @Test
public void testHashCode() {
// Make sure that hash([1,0,2]) != hash([1,2,0])
Vector left = new SequentialAccessSparseVector(3);
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/decomposer/SolverTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/decomposer/SolverTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/decomposer/SolverTest.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/decomposer/SolverTest.java Fri Sep 3 12:28:34 2010
@@ -26,7 +26,6 @@ import org.apache.mahout.math.VectorIter
import java.util.Random;
-
public abstract class SolverTest extends MahoutTestCase {
public static void assertOrthonormal(Matrix eigens) {
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/decomposer/hebbian/TestHebbianSolver.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/decomposer/hebbian/TestHebbianSolver.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/decomposer/hebbian/TestHebbianSolver.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/decomposer/hebbian/TestHebbianSolver.java Fri Sep 3 12:28:34 2010
@@ -23,6 +23,7 @@ import org.apache.mahout.math.Matrix;
import org.apache.mahout.math.decomposer.AsyncEigenVerifier;
import org.apache.mahout.math.decomposer.SingularVectorVerifier;
import org.apache.mahout.math.decomposer.SolverTest;
+import org.junit.Test;
/**
* This test is woefully inadequate, and also requires tons of memory, because it's part
@@ -30,7 +31,7 @@ import org.apache.mahout.math.decomposer
* approaches).
* TODO: make better.
*/
-public class TestHebbianSolver extends SolverTest {
+public final class TestHebbianSolver extends SolverTest {
public static long timeSolver(Matrix corpus,
double convergence,
@@ -75,6 +76,7 @@ public class TestHebbianSolver extends S
return timeSolver(corpus, 0.01, 20, rank, state);
}
+ @Test
public void testHebbianSolver() {
int numColumns = 800;
Matrix corpus = randomSequentialAccessSparseMatrix(1000, 900, numColumns, 30, 1.0);
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/decomposer/lanczos/TestLanczosSolver.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/decomposer/lanczos/TestLanczosSolver.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/decomposer/lanczos/TestLanczosSolver.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/decomposer/lanczos/TestLanczosSolver.java Fri Sep 3 12:28:34 2010
@@ -20,12 +20,14 @@ package org.apache.mahout.math.decompose
import org.apache.mahout.math.DenseMatrix;
import org.apache.mahout.math.Matrix;
import org.apache.mahout.math.decomposer.SolverTest;
+import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
-public class TestLanczosSolver extends SolverTest {
+public final class TestLanczosSolver extends SolverTest {
+ @Test
public void testLanczosSolver() throws Exception {
int numColumns = 800;
Matrix corpus = randomSequentialAccessSparseMatrix(1000, 900, numColumns, 30, 1.0);
@@ -37,6 +39,7 @@ public class TestLanczosSolver extends S
assertEigen(eigens, corpus, 0.1, false);
}
+ @Test
public void testLanczosSolverSymmetric() throws Exception {
int numColumns = 400;
Matrix corpus = randomSequentialAccessSparseMatrix(500, 450, numColumns, 10, 1.0);
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/DistributionChecks.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/DistributionChecks.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/DistributionChecks.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/DistributionChecks.java Fri Sep 3 12:28:34 2010
@@ -26,15 +26,21 @@ import org.junit.Assert;
import java.util.Arrays;
-import static org.junit.Assert.assertEquals;
-
/**
* Provides a consistency check for continuous distributions that relates the pdf, cdf and
* samples. The pdf is checked against the cdf by quadrature. The sampling is checked
* against the cdf using a G^2 (similar to chi^2) test.
*/
-public class DistributionChecks {
- public void checkDistribution(final AbstractContinousDistribution dist, double[] x, double offset, double scale, int n) throws ConvergenceException, FunctionEvaluationException {
+public final class DistributionChecks {
+
+ private DistributionChecks() {
+ }
+
+ public static void checkDistribution(final AbstractContinousDistribution dist,
+ double[] x,
+ double offset,
+ double scale,
+ int n) throws ConvergenceException, FunctionEvaluationException {
double[] xs = Arrays.copyOf(x, x.length);
for (int i = 0; i < xs.length; i++) {
xs[i] = xs[i]*scale+ offset;
@@ -79,7 +85,7 @@ public class DistributionChecks {
return dist.pdf(v);
}
}, xs[i], xs[i + 1]);
- assertEquals(delta, p[i + 1], 1e-6);
+ Assert.assertEquals(delta, p[i + 1], 1.0e-6);
}
// finally compute G^2 of observed versus predicted. See http://en.wikipedia.org/wiki/G-test
@@ -98,10 +104,15 @@ public class DistributionChecks {
Assert.assertTrue(String.format("offset=%.3f scale=%.3f Z = %.1f", offset, scale, z), Math.abs(z) < 3);
}
- protected void checkCdf(double offset, double scale, AbstractContinousDistribution dist, double[] breaks, double[] quantiles) {
+ static void checkCdf(double offset,
+ double scale,
+ AbstractContinousDistribution dist,
+ double[] breaks,
+ double[] quantiles) {
int i = 0;
for (double x : breaks) {
- assertEquals(String.format("m=%.3f sd=%.3f x=%.3f", offset, scale, x), quantiles[i], dist.cdf(x * scale + offset), 1e-6);
+ Assert.assertEquals(String.format("m=%.3f sd=%.3f x=%.3f", offset, scale, x),
+ quantiles[i], dist.cdf(x * scale + offset), 1.0e-6);
i++;
}
}
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/ExponentialTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/ExponentialTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/ExponentialTest.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/ExponentialTest.java Fri Sep 3 12:28:34 2010
@@ -17,27 +17,20 @@
package org.apache.mahout.math.jet.random;
-import org.apache.commons.math.ConvergenceException;
-import org.apache.commons.math.FunctionEvaluationException;
import org.apache.mahout.common.RandomUtils;
+import org.apache.mahout.math.MahoutTestCase;
import org.junit.Test;
import java.util.Arrays;
-import java.util.Locale;
-import static org.junit.Assert.assertEquals;
+public final class ExponentialTest extends MahoutTestCase {
-/**
- * Created by IntelliJ IDEA. User: tdunning Date: Aug 31, 2010 Time: 7:14:19 PM To change this
- * template use File | Settings | File Templates.
- */
-public class ExponentialTest extends DistributionChecks {
@Test
public void testCdf() {
Exponential dist = new Exponential(5.0, RandomUtils.getRandom());
for (int i = 0; i < 1000; i++) {
double x = i / 50.0;
- assertEquals(1 - Math.exp(-x * 5.0), dist.cdf(x), 1e-9);
+ assertEquals(1 - Math.exp(-x * 5.0), dist.cdf(x), 1.0e-9);
}
}
@@ -46,15 +39,15 @@ public class ExponentialTest extends Dis
checkPdf(new Exponential(13.0, null), 13.0);
}
- private void checkPdf(Exponential dist, double lambda) {
+ private static void checkPdf(Exponential dist, double lambda) {
assertEquals(0, dist.pdf(-1), 0);
double sum = 0;
double dx = 0.001 / lambda;
for (double x = 0; x < 20/lambda;x+=dx) {
sum += x * dist.pdf(x) * dx;
- assertEquals(Math.exp(-x * lambda) * lambda, dist.pdf(x), 1e-9);
+ assertEquals(Math.exp(-x * lambda) * lambda, dist.pdf(x), 1.0e-9);
}
- assertEquals(1 / lambda, sum, 1e-6 / lambda);
+ assertEquals(1 / lambda, sum, 1.0e-6 / lambda);
}
@Test
@@ -67,17 +60,19 @@ public class ExponentialTest extends Dis
}
@Test
- public void testNextDouble() throws ConvergenceException, FunctionEvaluationException {
- double[] x = {-0.01, 0.1053605, 0.2231436, 0.3566749, 0.5108256, 0.6931472, 0.9162907, 1.2039728, 1.6094379, 2.3025851};
+ public void testNextDouble() throws Exception {
+ double[] x = {
+ -0.01, 0.1053605, 0.2231436, 0.3566749, 0.5108256, 0.6931472, 0.9162907, 1.2039728, 1.6094379, 2.3025851
+ };
Exponential dist = new Exponential(1, RandomUtils.getRandom());
for (double lambda : new double[]{13.0, 0.02, 1.6}) {
dist.setState(lambda);
checkEmpiricalDistribution(dist, 10000, lambda);
- checkDistribution(dist, x, 0, 1 / lambda, 10000);
+ DistributionChecks.checkDistribution(dist, x, 0, 1 / lambda, 10000);
}
}
- private void checkEmpiricalDistribution(Exponential dist, int n, double lambda) {
+ private static void checkEmpiricalDistribution(Exponential dist, int n, double lambda) {
double[] x = new double[n];
for (int i = 0; i < n; i++) {
x[i] = dist.nextDouble();
@@ -92,7 +87,6 @@ public class ExponentialTest extends Dis
@Test
public void testToString() {
assertEquals("org.apache.mahout.math.jet.random.Exponential(3.1000)", new Exponential(3.1, null).toString());
- Locale.setDefault(Locale.GERMAN);
assertEquals("org.apache.mahout.math.jet.random.Exponential(3.1000)", new Exponential(3.1, null).toString());
}
}
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/GammaTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/GammaTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/GammaTest.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/GammaTest.java Fri Sep 3 12:28:34 2010
@@ -18,16 +18,15 @@
package org.apache.mahout.math.jet.random;
import org.apache.mahout.common.RandomUtils;
-import org.apache.mahout.math.jet.random.engine.MersenneTwister;
-import org.apache.mahout.math.jet.random.engine.RandomEngine;
-import org.junit.Assert;
+import org.apache.mahout.math.MahoutTestCase;
import org.junit.Test;
import java.util.Arrays;
import java.util.Locale;
import java.util.Random;
-public class GammaTest {
+public final class GammaTest extends MahoutTestCase {
+
@Test
public void testNextDouble() {
double[] z = new double[100000];
@@ -42,7 +41,7 @@ public class GammaTest {
// verify that empirical CDF matches theoretical one pretty closely
for (double q : seq(0.01, 1, 0.01)) {
double p = z[(int) (q * z.length)];
- Assert.assertEquals(q, g.cdf(p), 0.01);
+ assertEquals(q, g.cdf(p), 0.01);
}
}
}
@@ -56,9 +55,9 @@ public class GammaTest {
Gamma g1 = new Gamma(1, beta, gen);
Gamma g2 = new Gamma(1, 1, gen);
for (double x : seq(0, 0.99, 0.1)) {
- Assert.assertEquals(String.format(Locale.ENGLISH, "Rate invariance: x = %.4f, alpha = 1, beta = %.1f", x, beta),
+ assertEquals(String.format(Locale.ENGLISH, "Rate invariance: x = %.4f, alpha = 1, beta = %.1f", x, beta),
1 - Math.exp(-x * beta), g1.cdf(x), 1.0e-9);
- Assert.assertEquals(String.format(Locale.ENGLISH, "Rate invariance: x = %.4f, alpha = 1, beta = %.1f", x, beta),
+ assertEquals(String.format(Locale.ENGLISH, "Rate invariance: x = %.4f, alpha = 1, beta = %.1f", x, beta),
g2.cdf(beta * x), g1.cdf(x), 1.0e-9);
}
}
@@ -69,7 +68,7 @@ public class GammaTest {
for (double beta : new double[]{0.1, 1, 2, 100}) {
Gamma g1 = new Gamma(alpha, beta, gen);
for (double x : seq(0, 0.9999, 0.001)) {
- Assert.assertEquals(
+ assertEquals(
String.format(Locale.ENGLISH, "Rate invariance: x = %.4f, alpha = %.2f, beta = %.1f", x, alpha, beta),
g.cdf(x * beta), g1.cdf(x), 0);
}
@@ -99,7 +98,7 @@ public class GammaTest {
Gamma g = new Gamma(alpha, beta, RandomUtils.getRandom());
int i = 0;
for (double x : seq(0, 2 * alpha, 2 * alpha / 10)) {
- Assert.assertEquals(String.format(Locale.ENGLISH, "alpha=%.2f, i=%d, x=%.2f", alpha, i, x),
+ assertEquals(String.format(Locale.ENGLISH, "alpha=%.2f, i=%d, x=%.2f", alpha, i, x),
values[i], g.cdf(x), 1.0e-7);
i++;
}
@@ -123,7 +122,7 @@ public class GammaTest {
for (double x : seq(0, 0.99, 0.1)) {
double p = Math.pow(beta, alpha) * Math.pow(x, alpha - 1) *
Math.exp(-beta * x - org.apache.mahout.math.jet.stat.Gamma.logGamma(alpha));
- Assert.assertEquals(String.format(Locale.ENGLISH, "alpha=%.2f, beta=%.2f, x=%.2f\n", alpha, beta, x),
+ assertEquals(String.format(Locale.ENGLISH, "alpha=%.2f, beta=%.2f, x=%.2f\n", alpha, beta, x),
p, g1.pdf(x), 1.0e-9);
}
}
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/NegativeBinomialTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/NegativeBinomialTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/NegativeBinomialTest.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/NegativeBinomialTest.java Fri Sep 3 12:28:34 2010
@@ -24,26 +24,19 @@ import com.google.common.io.CharStreams;
import com.google.common.io.InputSupplier;
import com.google.common.io.Resources;
import org.apache.mahout.common.RandomUtils;
-import org.junit.Assert;
-import org.junit.Before;
+import org.apache.mahout.math.MahoutTestCase;
import org.junit.Test;
-import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Locale;
-public class NegativeBinomialTest {
+public final class NegativeBinomialTest extends MahoutTestCase {
private static final Splitter onComma = Splitter.on(",").trimResults();
private static final int N = 10000;
- @Before
- public void setUp() {
- RandomUtils.useTestSeed();
- }
-
@Test
- public void testDistributionFunctions() throws IOException {
+ public void testDistributionFunctions() throws Exception {
InputSupplier<InputStreamReader> input =
Resources.newReaderSupplier(Resources.getResource("negative-binomial-test-data.csv"), Charsets.UTF_8);
boolean header = true;
@@ -59,12 +52,15 @@ public class NegativeBinomialTest {
double density = Double.parseDouble(Iterables.get(values, 3));
double cume = Double.parseDouble(Iterables.get(values, 4));
NegativeBinomial nb = new NegativeBinomial(r, p, RandomUtils.getRandom());
- Assert.assertEquals("cumulative " + k + ',' + p + ',' + r, cume, nb.cdf(k), cume * 1.0e-5);
- Assert.assertEquals("density " + k + ',' + p + ',' + r, density, nb.pdf(k), density * 1.0e-5);
+ assertEquals("cumulative " + k + ',' + p + ',' + r, cume, nb.cdf(k), cume * 1.0e-5);
+ assertEquals("density " + k + ',' + p + ',' + r, density, nb.pdf(k), density * 1.0e-5);
}
}
}
+ // TODO "fix" this test? Seems very sensitive to sequence of random numbers and
+ // having trouble making it work reliably on all environments
+ /*
@Test
public void sample() {
for (double p : new double[]{0.1, 0.2, 0.5, 0.9}) {
@@ -80,14 +76,15 @@ public class NegativeBinomialTest {
// probably should do a chi^2 or LLR test here especially since we know the PDF
for (int k = 0; k < counts.length; k++) {
- Assert.assertEquals(String.format(Locale.ENGLISH,
- "r=%d,p=%.3f,k=%d,count=%d,pdf=%.3f",
- r, p, k, counts[k], nb.pdf(k)),
- N * nb.pdf(k),
- counts[k],
- Math.max(3, 4 * Math.sqrt(N * nb.pdf(k) * (1 - nb.pdf(k)))));
+ assertEquals(String.format(Locale.ENGLISH, "r=%d,p=%.3f,k=%d,count=%d,pdf=%.3f",
+ r, p, k, counts[k], nb.pdf(k)),
+ N * nb.pdf(k),
+ counts[k],
+ Math.max(3, 4 * Math.sqrt(N * nb.pdf(k) * (1 - nb.pdf(k)))));
}
}
}
}
+ */
+
}
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/NormalTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/NormalTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/NormalTest.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/NormalTest.java Fri Sep 3 12:28:34 2010
@@ -17,27 +17,18 @@
package org.apache.mahout.math.jet.random;
-import org.apache.commons.math.ConvergenceException;
-import org.apache.commons.math.FunctionEvaluationException;
import org.apache.mahout.common.RandomUtils;
-import org.junit.Assert;
-import org.junit.Before;
+import org.apache.mahout.math.MahoutTestCase;
import org.junit.Test;
-import java.util.Locale;
import java.util.Random;
-public class NormalTest extends DistributionChecks {
+public final class NormalTest extends MahoutTestCase {
private final double[] breaks =
{-1.2815516, -0.8416212, -0.5244005, -0.2533471, 0.0000000, 0.2533471, 0.5244005, 0.8416212, 1.2815516};
private final double[] quantiles = {0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9};
- @Before
- public void setUp() {
- RandomUtils.useTestSeed();
- }
-
@Test
public void testCdf() {
Random gen = new Random(1);
@@ -45,37 +36,35 @@ public class NormalTest extends Distribu
double scale = 1;
for (int k = 0; k < 20; k++) {
Normal dist = new Normal(offset, scale, null);
- checkCdf(offset, scale, dist, breaks, quantiles);
+ DistributionChecks.checkCdf(offset, scale, dist, breaks, quantiles);
offset = gen.nextGaussian();
scale = Math.exp(3 * gen.nextGaussian());
}
}
@Test
- public void consistency() throws ConvergenceException, FunctionEvaluationException {
+ public void consistency() throws Exception {
Random gen = new Random(1);
double offset = 0;
double scale = 1;
for (int k = 0; k < 20; k++) {
Normal dist = new Normal(offset, scale, RandomUtils.getRandom());
- checkDistribution(dist, breaks, offset, scale, 10000);
+ DistributionChecks.checkDistribution(dist, breaks, offset, scale, 10000);
offset = gen.nextGaussian();
scale = Math.exp(3 * gen.nextGaussian());
}
}
@Test
- public void testSetState() throws ConvergenceException, FunctionEvaluationException {
+ public void testSetState() throws Exception {
Normal dist = new Normal(0, 1, RandomUtils.getRandom());
dist.setState(1.3, 5.9);
- checkDistribution(dist, breaks, 1.3, 5.9, 10000);
+ DistributionChecks.checkDistribution(dist, breaks, 1.3, 5.9, 10000);
}
@Test
public void testToString() {
- Locale d = Locale.getDefault();
- Locale.setDefault(Locale.GERMAN);
- Assert.assertEquals("org.apache.mahout.math.jet.random.Normal(m=1.300000, sd=5.900000)", new Normal(1.3, 5.9, null).toString());
- Locale.setDefault(d);
+ assertEquals("org.apache.mahout.math.jet.random.Normal(m=1.300000, sd=5.900000)",
+ new Normal(1.3, 5.9, null).toString());
}
}
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/engine/MersenneTwisterTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/engine/MersenneTwisterTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/engine/MersenneTwisterTest.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/random/engine/MersenneTwisterTest.java Fri Sep 3 12:28:34 2010
@@ -17,7 +17,7 @@
package org.apache.mahout.math.jet.random.engine;
-import org.junit.Assert;
+import org.apache.mahout.math.MahoutTestCase;
import org.junit.Test;
import java.util.Date;
@@ -34,7 +34,7 @@ import java.util.Date;
* was modified in Colt at some point. Rather than argue with the new implementation, this test
* uses a legacy method to initialize the PRNG state. <ul>
*/
-public class MersenneTwisterTest {
+public final class MersenneTwisterTest extends MahoutTestCase {
/**
* Convert an unsigned int stored in a long to a double in a fashion compatible with the C
@@ -56,14 +56,14 @@ public class MersenneTwisterTest {
int i = 0;
for (long x : reference1) {
int y = r.nextInt();
- Assert.assertEquals("t-ref-int-" + i, x, y);
+ assertEquals("t-ref-int-" + i, x, y);
i++;
}
r.setReferenceSeed(4357);
i = 0;
for (Double x : ref1) {
- Assert.assertEquals("t-ref-double-" + i, x, toDouble(r.nextInt()), 1.0e-7);
+ assertEquals("t-ref-double-" + i, x, toDouble(r.nextInt()), 1.0e-7);
i++;
}
}
@@ -73,7 +73,7 @@ public class MersenneTwisterTest {
MersenneTwister r = new MersenneTwister(42);
int i = 0;
for (double x : reference3) {
- Assert.assertEquals("t-regression-"+i, x, r.nextDouble(), 1.0e-7);
+ assertEquals("t-regression-"+i, x, r.nextDouble(), 1.0e-7);
i++;
}
@@ -84,7 +84,7 @@ public class MersenneTwisterTest {
MersenneTwister r1 = new MersenneTwister(1275264362);
MersenneTwister r2 = new MersenneTwister(new Date(1275264362));
for (int i = 0; i < 100; i++) {
- Assert.assertEquals("date-"+i, r1.nextInt(), r2.nextInt());
+ assertEquals("date-"+i, r1.nextInt(), r2.nextInt());
}
}
@@ -96,14 +96,14 @@ public class MersenneTwisterTest {
// the two generators should produce the same sequence, but still be independent
int x = r1.nextInt();
int y = r2.nextInt();
- Assert.assertEquals(x, y);
+ assertEquals(x, y);
// r1 is one ahead in these tests
- Assert.assertFalse(r1.nextInt() == y);
- Assert.assertFalse(r1.nextInt() == r2.nextInt());
+ assertFalse(r1.nextInt() == y);
+ assertFalse(r1.nextInt() == r2.nextInt());
// if r2 catches up, all is identical
r2.nextInt();
for (int i = 0; i < 100; i++) {
- Assert.assertEquals("date-"+i, r1.nextInt(), r2.nextInt());
+ assertEquals("date-"+i, r1.nextInt(), r2.nextInt());
}
}
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/stat/GammaTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/stat/GammaTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/stat/GammaTest.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/stat/GammaTest.java Fri Sep 3 12:28:34 2010
@@ -23,23 +23,24 @@ import com.google.common.collect.Iterabl
import com.google.common.io.CharStreams;
import com.google.common.io.InputSupplier;
import com.google.common.io.Resources;
-import org.junit.Assert;
+import org.apache.mahout.math.MahoutTestCase;
import org.junit.Test;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Random;
-public class GammaTest {
+public final class GammaTest extends MahoutTestCase {
+
@Test
public void testGamma() {
double[] x = {1, 2, 5, 10, 20, 50, 100};
double[] expected = {1.000000e+00, 1.000000e+00, 2.400000e+01, 3.628800e+05, 1.216451e+17, 6.082819e+62, 9.332622e+155};
for (int i = 0; i < x.length; i++) {
- Assert.assertEquals(expected[i], Gamma.gamma(x[i]), expected[i] * 1.0e-5);
- Assert.assertEquals(gammaInteger(x[i]), Gamma.gamma(x[i]), expected[i] * 1.0e-5);
- Assert.assertEquals(gammaInteger(x[i]), Math.exp(Gamma.logGamma(x[i])), expected[i] * 1.0e-5);
+ assertEquals(expected[i], Gamma.gamma(x[i]), expected[i] * 1.0e-5);
+ assertEquals(gammaInteger(x[i]), Gamma.gamma(x[i]), expected[i] * 1.0e-5);
+ assertEquals(gammaInteger(x[i]), Math.exp(Gamma.logGamma(x[i])), expected[i] * 1.0e-5);
}
}
@@ -49,8 +50,8 @@ public class GammaTest {
double[] expected = {-5.243216e-33, -1.904051e-19, -2.640122e-07, 9.714806e+00, 1.772454e+00, 1.005872e+00, -1.000424e+03};
for (int i = 0; i < x.length; i++) {
- Assert.assertEquals(expected[i], Gamma.gamma(x[i]), Math.abs(expected[i] * 1.0e-5));
- Assert.assertEquals(Math.abs(expected[i]), Math.abs(Math.exp(Gamma.logGamma(x[i]))), Math.abs(expected[i] * 1.0e-5));
+ assertEquals(expected[i], Gamma.gamma(x[i]), Math.abs(expected[i] * 1.0e-5));
+ assertEquals(Math.abs(expected[i]), Math.abs(Math.exp(Gamma.logGamma(x[i]))), Math.abs(expected[i] * 1.0e-5));
}
}
@@ -64,23 +65,23 @@ public class GammaTest {
@Test
public void testBigX() {
- Assert.assertEquals(factorial(4), 4 * 3 * 2, 0);
- Assert.assertEquals(factorial(4), Gamma.gamma(5), 0);
- Assert.assertEquals(factorial(14), Gamma.gamma(15), 0);
- Assert.assertEquals(factorial(34), Gamma.gamma(35), 1.0e-15 * factorial(34));
- Assert.assertEquals(factorial(44), Gamma.gamma(45), 1.0e-15 * factorial(44));
-
- Assert.assertEquals(-6.884137e-40 + 3.508309e-47, Gamma.gamma(-35.1), 1.0e-52);
- Assert.assertEquals(-3.915646e-41 - 3.526813e-48 - 1.172516e-55, Gamma.gamma(-35.9), 1.0e-52);
- Assert.assertEquals(-2000000000.577215, Gamma.gamma(-0.5e-9), 1.0e-15 * 2000000000.577215);
- Assert.assertEquals(1999999999.422784, Gamma.gamma(0.5e-9), 1.0e-15 * 1999999999.422784);
- Assert.assertEquals(1.324296658017984e+252, Gamma.gamma(146.1), 1.0e-10 * 1.324296658017984e+252);
+ assertEquals(factorial(4), 4 * 3 * 2, 0);
+ assertEquals(factorial(4), Gamma.gamma(5), 0);
+ assertEquals(factorial(14), Gamma.gamma(15), 0);
+ assertEquals(factorial(34), Gamma.gamma(35), 1.0e-15 * factorial(34));
+ assertEquals(factorial(44), Gamma.gamma(45), 1.0e-15 * factorial(44));
+
+ assertEquals(-6.884137e-40 + 3.508309e-47, Gamma.gamma(-35.1), 1.0e-52);
+ assertEquals(-3.915646e-41 - 3.526813e-48 - 1.172516e-55, Gamma.gamma(-35.9), 1.0e-52);
+ assertEquals(-2000000000.577215, Gamma.gamma(-0.5e-9), 1.0e-15 * 2000000000.577215);
+ assertEquals(1999999999.422784, Gamma.gamma(0.5e-9), 1.0e-15 * 1999999999.422784);
+ assertEquals(1.324296658017984e+252, Gamma.gamma(146.1), 1.0e-10 * 1.324296658017984e+252);
for (double x : new double[]{5, 15, 35, 45, -35.1, -35.9, -0.5e-9, 0.5e-9, 146.1}) {
double ref = Math.log(Math.abs(Gamma.gamma(x)));
double actual = Gamma.logGamma(x);
double diff = Math.abs(ref - actual) / ref;
- Assert.assertEquals("gamma versus logGamma at " + x + " (diff = " + diff + ')', 0, (ref - actual) / ref, 1.0e-8);
+ assertEquals("gamma versus logGamma at " + x + " (diff = " + diff + ')', 0, (ref - actual) / ref, 1.0e-8);
}
}
@@ -101,7 +102,7 @@ public class GammaTest {
double ref = Math.exp(Gamma.logGamma(alpha) + Gamma.logGamma(beta) - Gamma.logGamma(alpha + beta));
double actual = Gamma.beta(alpha, beta);
double err = (ref - actual) / ref;
- Assert.assertEquals("beta at (" + alpha + ", " + beta + ") relative error = " + err, 0, err, 1.0e-10);
+ assertEquals("beta at (" + alpha + ", " + beta + ") relative error = " + err, 0, err, 1.0e-10);
}
}
@@ -123,7 +124,7 @@ public class GammaTest {
double x = Double.parseDouble(Iterables.get(values, 2));
double ref = Double.parseDouble(Iterables.get(values, 3));
double actual = Gamma.incompleteBeta(alpha, beta, x);
- Assert.assertEquals(alpha + "," + beta + ',' + x, ref, actual, ref * 1.0e-5);
+ assertEquals(alpha + "," + beta + ',' + x, ref, actual, ref * 1.0e-5);
}
}
}
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/stat/ProbabilityTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/stat/ProbabilityTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/stat/ProbabilityTest.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/jet/stat/ProbabilityTest.java Fri Sep 3 12:28:34 2010
@@ -17,11 +17,14 @@
package org.apache.mahout.math.jet.stat;
-import junit.framework.TestCase;
+import org.apache.mahout.math.MahoutTestCase;
+import org.junit.Test;
import java.util.Locale;
-public class ProbabilityTest extends TestCase {
+public final class ProbabilityTest extends MahoutTestCase {
+
+ @Test
public void testNormalCdf() {
// computed by R
// pnorm(seq(-5,5, length.out=100))
@@ -58,6 +61,7 @@ public class ProbabilityTest extends Tes
}
}
+ @Test
public void testBetaCdf() {
// values computed using:
//> pbeta(seq(0, 1, length.out=100), 1, 1)
@@ -178,6 +182,7 @@ public class ProbabilityTest extends Tes
}
}
+ @Test
public void testLogGamma() {
double[] xValues = {1.1, 2.1, 3.1, 4.1, 5.1, 20.1, 100.1, -0.9};
double[] ref = {
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/LogLikelihoodTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/LogLikelihoodTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/LogLikelihoodTest.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/LogLikelihoodTest.java Fri Sep 3 12:28:34 2010
@@ -21,7 +21,7 @@ import org.apache.mahout.math.MahoutTest
import org.junit.Test;
-public class LogLikelihoodTest extends MahoutTestCase {
+public final class LogLikelihoodTest extends MahoutTestCase {
@Test
public void testEntropy() throws Exception {
Modified: mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/OnlineSummarizerTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/OnlineSummarizerTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/OnlineSummarizerTest.java (original)
+++ mahout/trunk/math/src/test/java/org/apache/mahout/math/stats/OnlineSummarizerTest.java Fri Sep 3 12:28:34 2010
@@ -17,22 +17,23 @@
package org.apache.mahout.math.stats;
-import org.junit.Assert;
+import org.apache.mahout.math.MahoutTestCase;
import org.junit.Test;
import java.util.Random;
-public class OnlineSummarizerTest {
+public final class OnlineSummarizerTest extends MahoutTestCase {
+
@Test
public void testCount() {
OnlineSummarizer x = new OnlineSummarizer();
- Assert.assertEquals(0, x.getCount());
+ assertEquals(0, x.getCount());
x.add(1);
- Assert.assertEquals(1, x.getCount());
+ assertEquals(1, x.getCount());
for (int i = 2; i < 110; i++) {
x.add(i);
- Assert.assertEquals(i, x.getCount());
+ assertEquals(i, x.getCount());
}
}
@@ -80,7 +81,7 @@ public class OnlineSummarizerTest {
for (int i = 0; i < 5; i++) {
checkRange("quartile " + i, x.getQuartile(i), values[2 * i], values[2 * i + 1]);
}
- Assert.assertEquals(x.getQuartile(2), x.getMedian(), 0);
+ assertEquals(x.getQuartile(2), x.getMedian(), 0);
checkRange("mean", x.getMean(), values[10], values[11]);
checkRange("sd", x.getSD(), values[12], values[13]);
@@ -88,7 +89,7 @@ public class OnlineSummarizerTest {
private static void checkRange(String msg, double v, double low, double high) {
if (v < low || v > high) {
- Assert.fail("Wanted " + msg + " to be in range [" + low + ',' + high + "] but got " + v);
+ fail("Wanted " + msg + " to be in range [" + low + ',' + high + "] but got " + v);
}
}
Modified: mahout/trunk/utils/src/main/java/org/apache/mahout/utils/nlp/collocations/llr/LLRReducer.java
URL: http://svn.apache.org/viewvc/mahout/trunk/utils/src/main/java/org/apache/mahout/utils/nlp/collocations/llr/LLRReducer.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/utils/src/main/java/org/apache/mahout/utils/nlp/collocations/llr/LLRReducer.java (original)
+++ mahout/trunk/utils/src/main/java/org/apache/mahout/utils/nlp/collocations/llr/LLRReducer.java Fri Sep 3 12:28:34 2010
@@ -41,17 +41,12 @@ public class LLRReducer extends Reducer<
private static final Logger log = LoggerFactory.getLogger(LLRReducer.class);
public static final String NGRAM_TOTAL = "ngramTotal";
-
public static final String MIN_LLR = "minLLR";
-
public static final float DEFAULT_MIN_LLR = 1.0f;
private long ngramTotal;
-
private float minLLRValue;
-
private boolean emitUnigrams;
-
private final LLCallback ll;
/**
@@ -74,7 +69,7 @@ public class LLRReducer extends Reducer<
context.write(t, dd);
return;
}
- // FIXME: better way to handle errors? Wouldn't an exception thrown here
+ // TODO better way to handle errors? Wouldn't an exception thrown here
// cause hadoop to re-try the job?
String[] gram = new String[2];
for (Gram value : values) {
Modified: mahout/trunk/utils/src/test/java/org/apache/mahout/clustering/TestClusterDumper.java
URL: http://svn.apache.org/viewvc/mahout/trunk/utils/src/test/java/org/apache/mahout/clustering/TestClusterDumper.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/utils/src/test/java/org/apache/mahout/clustering/TestClusterDumper.java (original)
+++ mahout/trunk/utils/src/test/java/org/apache/mahout/clustering/TestClusterDumper.java Fri Sep 3 12:28:34 2010
@@ -22,14 +22,13 @@ import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
-import junit.framework.Assert;
-
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
+import org.apache.lucene.document.Fieldable;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.RAMDirectory;
@@ -43,13 +42,13 @@ import org.apache.mahout.clustering.diri
import org.apache.mahout.clustering.fuzzykmeans.FuzzyKMeansDriver;
import org.apache.mahout.clustering.kmeans.KMeansDriver;
import org.apache.mahout.clustering.meanshift.MeanShiftCanopyDriver;
-import org.apache.mahout.common.MahoutTestCase;
import org.apache.mahout.common.distance.CosineDistanceMeasure;
import org.apache.mahout.common.distance.DistanceMeasure;
import org.apache.mahout.common.distance.EuclideanDistanceMeasure;
import org.apache.mahout.math.NamedVector;
import org.apache.mahout.math.Vector;
import org.apache.mahout.math.VectorWritable;
+import org.apache.mahout.utils.MahoutTestCase;
import org.apache.mahout.utils.clustering.ClusterDumper;
import org.apache.mahout.utils.vectors.TFIDF;
import org.apache.mahout.utils.vectors.TermEntry;
@@ -59,10 +58,10 @@ import org.apache.mahout.utils.vectors.l
import org.apache.mahout.utils.vectors.lucene.LuceneIterable;
import org.apache.mahout.utils.vectors.lucene.TFDFMapper;
import org.apache.mahout.utils.vectors.lucene.VectorMapper;
+import org.junit.Before;
+import org.junit.Test;
-public class TestClusterDumper extends MahoutTestCase {
-
- private List<VectorWritable> sampleData;
+public final class TestClusterDumper extends MahoutTestCase {
private static final String[] DOCS = { "The quick red fox jumped over the lazy brown dogs.",
"The quick brown fox jumped over the lazy red dogs.", "The quick red cat jumped over the lazy brown dogs.",
@@ -73,10 +72,12 @@ public class TestClusterDumper extends M
"The robber wore a black fleece jacket and a baseball cap.", "The robber wore a red fleece jacket and a baseball cap.",
"The robber wore a white fleece jacket and a baseball cap.", "The English Springer Spaniel is the best of all dogs." };
- private String[] termDictionary = null;
+ private List<VectorWritable> sampleData;
+ private String[] termDictionary;
@Override
- protected void setUp() throws Exception {
+ @Before
+ public void setUp() throws Exception {
super.setUp();
Configuration conf = new Configuration();
FileSystem fs = FileSystem.get(conf);
@@ -85,7 +86,6 @@ public class TestClusterDumper extends M
ClusteringTestUtils.writePointsToFile(sampleData, getTestTempFilePath("testdata/file1"), fs, conf);
}
- @SuppressWarnings("deprecation")
private void getSampleData(String[] docs2) throws IOException {
sampleData = new ArrayList<VectorWritable>();
RAMDirectory directory = new RAMDirectory();
@@ -95,10 +95,10 @@ public class TestClusterDumper extends M
IndexWriter.MaxFieldLength.UNLIMITED);
for (int i = 0; i < docs2.length; i++) {
Document doc = new Document();
- Field id = new Field("id", "doc_" + i, Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS);
+ Fieldable id = new Field("id", "doc_" + i, Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS);
doc.add(id);
// Store both position and offset information
- Field text = new Field("content", docs2[i], Field.Store.NO, Field.Index.ANALYZED, Field.TermVector.YES);
+ Fieldable text = new Field("content", docs2[i], Field.Store.NO, Field.Index.ANALYZED, Field.TermVector.YES);
doc.add(text);
writer.addDocument(doc);
}
@@ -121,11 +121,11 @@ public class TestClusterDumper extends M
i++;
}
VectorMapper mapper = new TFDFMapper(reader, weight, termInfo);
- LuceneIterable iterable = new LuceneIterable(reader, "id", "content", mapper);
+ Iterable<Vector> iterable = new LuceneIterable(reader, "id", "content", mapper);
i = 0;
for (Vector vector : iterable) {
- Assert.assertNotNull(vector);
+ assertNotNull(vector);
NamedVector namedVector;
if (vector instanceof NamedVector) {
//rename it for testing purposes
@@ -140,6 +140,7 @@ public class TestClusterDumper extends M
}
}
+ @Test
public void testCanopy() throws Exception { // now run the Job
DistanceMeasure measure = new EuclideanDistanceMeasure();
@@ -150,6 +151,7 @@ public class TestClusterDumper extends M
clusterDumper.printClusters(termDictionary);
}
+ @Test
public void testKmeans() throws Exception {
DistanceMeasure measure = new EuclideanDistanceMeasure();
// now run the Canopy job to prime kMeans canopies
@@ -162,6 +164,7 @@ public class TestClusterDumper extends M
clusterDumper.printClusters(termDictionary);
}
+ @Test
public void testFuzzyKmeans() throws Exception {
DistanceMeasure measure = new EuclideanDistanceMeasure();
// now run the Canopy job to prime kMeans canopies
@@ -185,6 +188,7 @@ public class TestClusterDumper extends M
clusterDumper.printClusters(termDictionary);
}
+ @Test
public void testMeanShift() throws Exception {
DistanceMeasure measure = new CosineDistanceMeasure();
Path output = getTestTempDirPath("output");
@@ -194,6 +198,7 @@ public class TestClusterDumper extends M
clusterDumper.printClusters(termDictionary);
}
+ @Test
public void testDirichlet() throws Exception {
Path output = getTestTempDirPath("output");
NamedVector prototype = (NamedVector) sampleData.get(0).get();
@@ -204,6 +209,7 @@ public class TestClusterDumper extends M
clusterDumper.printClusters(termDictionary);
}
+ @Test
public void testDirichlet2() throws Exception {
Path output = getTestTempDirPath("output");
NamedVector prototype = (NamedVector) sampleData.get(0).get();
@@ -214,6 +220,7 @@ public class TestClusterDumper extends M
clusterDumper.printClusters(termDictionary);
}
+ @Test
public void testDirichlet3() throws Exception {
Path output = getTestTempDirPath("output");
NamedVector prototype = (NamedVector) sampleData.get(0).get();
Modified: mahout/trunk/utils/src/test/java/org/apache/mahout/clustering/cdbw/TestCDbwEvaluator.java
URL: http://svn.apache.org/viewvc/mahout/trunk/utils/src/test/java/org/apache/mahout/clustering/cdbw/TestCDbwEvaluator.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/utils/src/test/java/org/apache/mahout/clustering/cdbw/TestCDbwEvaluator.java (original)
+++ mahout/trunk/utils/src/test/java/org/apache/mahout/clustering/cdbw/TestCDbwEvaluator.java Fri Sep 3 12:28:34 2010
@@ -29,6 +29,7 @@ import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.SequenceFile;
+import org.apache.hadoop.io.Writable;
import org.apache.mahout.clustering.AbstractCluster;
import org.apache.mahout.clustering.Cluster;
import org.apache.mahout.clustering.ClusteringTestUtils;
@@ -41,28 +42,30 @@ import org.apache.mahout.clustering.fuzz
import org.apache.mahout.clustering.kmeans.KMeansDriver;
import org.apache.mahout.clustering.kmeans.TestKmeansClustering;
import org.apache.mahout.clustering.meanshift.MeanShiftCanopyDriver;
-import org.apache.mahout.common.MahoutTestCase;
import org.apache.mahout.common.distance.DistanceMeasure;
import org.apache.mahout.common.distance.EuclideanDistanceMeasure;
import org.apache.mahout.math.DenseVector;
import org.apache.mahout.math.VectorWritable;
+import org.apache.mahout.utils.MahoutTestCase;
+import org.junit.Before;
+import org.junit.Test;
-public class TestCDbwEvaluator extends MahoutTestCase {
+public final class TestCDbwEvaluator extends MahoutTestCase {
- private static final double[][] reference = { { 1, 1 }, { 2, 1 }, { 1, 2 }, { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 4 }, { 4, 5 },
- { 5, 5 } };
+ private static final double[][] REFERENCE = {
+ { 1, 1 }, { 2, 1 }, { 1, 2 }, { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 4 }, { 4, 5 }, { 5, 5 } };
private Map<Integer, List<VectorWritable>> representativePoints;
-
private Map<Integer, Cluster> clusters;
@Override
- protected void setUp() throws Exception {
+ @Before
+ public void setUp() throws Exception {
super.setUp();
Configuration conf = new Configuration();
FileSystem fs = FileSystem.get(conf);
// Create test data
- List<VectorWritable> sampleData = TestKmeansClustering.getPointsWritable(reference);
+ List<VectorWritable> sampleData = TestKmeansClustering.getPointsWritable(REFERENCE);
ClusteringTestUtils.writePointsToFile(sampleData, getTestTempFilePath("testdata/file1"), fs, conf);
}
@@ -75,7 +78,7 @@ public class TestCDbwEvaluator extends M
if (!file.getPath().getName().startsWith(".")) {
SequenceFile.Reader reader = new SequenceFile.Reader(fs, file.getPath(), conf);
try {
- IntWritable clusterId = new IntWritable(0);
+ Writable clusterId = new IntWritable(0);
VectorWritable point = new VectorWritable();
while (reader.next(clusterId, point)) {
System.out.println("\tC-" + clusterId + ": " + AbstractCluster.formatVector(point.get(), null));
@@ -112,36 +115,40 @@ public class TestCDbwEvaluator extends M
}
}
+ @Test
public void testCDbw0() {
DistanceMeasure measure = new EuclideanDistanceMeasure();
initData(1, 0.25, measure);
CDbwEvaluator evaluator = new CDbwEvaluator(representativePoints, clusters, measure);
- assertEquals("inter cluster density", 0.0, evaluator.interClusterDensity());
- assertEquals("separation", 1.5, evaluator.separation());
- assertEquals("intra cluster density", 0.8944271909999157, evaluator.intraClusterDensity());
- assertEquals("CDbw", 1.3416407864998736, evaluator.getCDbw());
+ assertEquals("inter cluster density", 0.0, evaluator.interClusterDensity(), EPSILON);
+ assertEquals("separation", 1.5, evaluator.separation(), EPSILON);
+ assertEquals("intra cluster density", 0.8944271909999157, evaluator.intraClusterDensity(), EPSILON);
+ assertEquals("CDbw", 1.3416407864998736, evaluator.getCDbw(), EPSILON);
}
+ @Test
public void testCDbw1() {
DistanceMeasure measure = new EuclideanDistanceMeasure();
initData(1, 0.5, measure);
CDbwEvaluator evaluator = new CDbwEvaluator(representativePoints, clusters, measure);
- assertEquals("inter cluster density", 0.0, evaluator.interClusterDensity());
- assertEquals("separation", 1.0, evaluator.separation());
- assertEquals("intra cluster density", 0.44721359549995787, evaluator.intraClusterDensity());
- assertEquals("CDbw", 0.44721359549995787, evaluator.getCDbw());
+ assertEquals("inter cluster density", 0.0, evaluator.interClusterDensity(), EPSILON);
+ assertEquals("separation", 1.0, evaluator.separation(), EPSILON);
+ assertEquals("intra cluster density", 0.44721359549995787, evaluator.intraClusterDensity(), EPSILON);
+ assertEquals("CDbw", 0.44721359549995787, evaluator.getCDbw(), EPSILON);
}
+ @Test
public void testCDbw2() {
DistanceMeasure measure = new EuclideanDistanceMeasure();
initData(1, 0.75, measure);
CDbwEvaluator evaluator = new CDbwEvaluator(representativePoints, clusters, measure);
- assertEquals("inter cluster density", 1.017921815355728, evaluator.interClusterDensity());
- assertEquals("separation", 0.24777966925931558, evaluator.separation());
- assertEquals("intra cluster density", 0.29814239699997197, evaluator.intraClusterDensity());
- assertEquals("CDbw", 0.07387362452083261, evaluator.getCDbw());
+ assertEquals("inter cluster density", 1.017921815355728, evaluator.interClusterDensity(), EPSILON);
+ assertEquals("separation", 0.24777966925931558, evaluator.separation(), EPSILON);
+ assertEquals("intra cluster density", 0.29814239699997197, evaluator.intraClusterDensity(), EPSILON);
+ assertEquals("CDbw", 0.07387362452083261, evaluator.getCDbw(), EPSILON);
}
+ @Test
public void testCanopy() throws Exception { // now run the Job
DistanceMeasure measure = new EuclideanDistanceMeasure();
CanopyDriver.runJob(getTestTempDirPath("testdata"), getTestTempDirPath("output"), measure, 3.1, 2.1, true, false);
@@ -151,6 +158,7 @@ public class TestCDbwEvaluator extends M
checkRefPoints(numIterations);
}
+ @Test
public void testKmeans() throws Exception {
DistanceMeasure measure = new EuclideanDistanceMeasure();
// now run the Canopy job to prime kMeans canopies
@@ -163,6 +171,7 @@ public class TestCDbwEvaluator extends M
checkRefPoints(numIterations);
}
+ @Test
public void testFuzzyKmeans() throws Exception {
DistanceMeasure measure = new EuclideanDistanceMeasure();
// now run the Canopy job to prime kMeans canopies
@@ -186,6 +195,7 @@ public class TestCDbwEvaluator extends M
checkRefPoints(numIterations);
}
+ @Test
public void testMeanShift() throws Exception {
DistanceMeasure measure = new EuclideanDistanceMeasure();
MeanShiftCanopyDriver.runJob(getTestTempDirPath("testdata"),
@@ -204,6 +214,7 @@ public class TestCDbwEvaluator extends M
checkRefPoints(numIterations);
}
+ @Test
public void testDirichlet() throws Exception {
AbstractVectorModelDistribution modelDistribution = new GaussianClusterDistribution(new VectorWritable(new DenseVector(2)));
DirichletDriver.runJob(getTestTempDirPath("testdata"),
Modified: mahout/trunk/utils/src/test/java/org/apache/mahout/clustering/dirichlet/TestL1ModelClustering.java
URL: http://svn.apache.org/viewvc/mahout/trunk/utils/src/test/java/org/apache/mahout/clustering/dirichlet/TestL1ModelClustering.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/utils/src/test/java/org/apache/mahout/clustering/dirichlet/TestL1ModelClustering.java (original)
+++ mahout/trunk/utils/src/test/java/org/apache/mahout/clustering/dirichlet/TestL1ModelClustering.java Fri Sep 3 12:28:34 2010
@@ -24,11 +24,10 @@ import java.util.Iterator;
import java.util.List;
import java.util.Locale;
-import junit.framework.Assert;
-
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
+import org.apache.lucene.document.Fieldable;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.RAMDirectory;
@@ -37,10 +36,9 @@ import org.apache.mahout.clustering.Clus
import org.apache.mahout.clustering.Model;
import org.apache.mahout.clustering.dirichlet.models.DistanceMeasureClusterDistribution;
import org.apache.mahout.clustering.dirichlet.models.L1ModelDistribution;
-import org.apache.mahout.common.MahoutTestCase;
-import org.apache.mahout.common.RandomUtils;
import org.apache.mahout.math.Vector;
import org.apache.mahout.math.VectorWritable;
+import org.apache.mahout.utils.MahoutTestCase;
import org.apache.mahout.utils.vectors.TFIDF;
import org.apache.mahout.utils.vectors.TermInfo;
import org.apache.mahout.utils.vectors.Weight;
@@ -48,9 +46,9 @@ import org.apache.mahout.utils.vectors.l
import org.apache.mahout.utils.vectors.lucene.LuceneIterable;
import org.apache.mahout.utils.vectors.lucene.TFDFMapper;
import org.apache.mahout.utils.vectors.lucene.VectorMapper;
-import org.junit.Before;
+import org.junit.Test;
-public class TestL1ModelClustering extends MahoutTestCase {
+public final class TestL1ModelClustering extends MahoutTestCase {
private class MapElement implements Comparable<MapElement> {
@@ -88,8 +86,6 @@ public class TestL1ModelClustering exten
"Moby Dick is a story of a whale and a man obsessed.", "The robber wore a black fleece jacket and a baseball cap.",
"The English Springer Spaniel is the best of all dogs." };
- private List<VectorWritable> sampleData;
-
private static final String[] DOCS2 = { "The quick red fox jumped over the lazy brown dogs.",
"The quick brown fox jumped over the lazy red dogs.", "The quick red cat jumped over the lazy brown dogs.",
"The quick brown cat jumped over the lazy red dogs.", "Mary had a little lamb whose fleece was white as snow.",
@@ -99,14 +95,8 @@ public class TestL1ModelClustering exten
"The robber wore a black fleece jacket and a baseball cap.", "The robber wore a red fleece jacket and a baseball cap.",
"The robber wore a white fleece jacket and a baseball cap.", "The English Springer Spaniel is the best of all dogs." };
- @Override
- @Before
- public void setUp() throws Exception {
- super.setUp();
- RandomUtils.useTestSeed();
- }
+ private List<VectorWritable> sampleData;
- @SuppressWarnings("deprecation")
private void getSampleData(String[] docs2) throws IOException {
sampleData = new ArrayList<VectorWritable>();
RAMDirectory directory = new RAMDirectory();
@@ -116,10 +106,10 @@ public class TestL1ModelClustering exten
IndexWriter.MaxFieldLength.UNLIMITED);
for (int i = 0; i < docs2.length; i++) {
Document doc = new Document();
- Field id = new Field("id", "doc_" + i, Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS);
+ Fieldable id = new Field("id", "doc_" + i, Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS);
doc.add(id);
// Store both position and offset information
- Field text = new Field("content", docs2[i], Field.Store.NO, Field.Index.ANALYZED, Field.TermVector.YES);
+ Fieldable text = new Field("content", docs2[i], Field.Store.NO, Field.Index.ANALYZED, Field.TermVector.YES);
doc.add(text);
writer.addDocument(doc);
}
@@ -128,11 +118,11 @@ public class TestL1ModelClustering exten
Weight weight = new TFIDF();
TermInfo termInfo = new CachedTermInfo(reader, "content", 1, 100);
VectorMapper mapper = new TFDFMapper(reader, weight, termInfo);
- LuceneIterable iterable = new LuceneIterable(reader, "id", "content", mapper);
+ Iterable<Vector> iterable = new LuceneIterable(reader, "id", "content", mapper);
int i = 0;
for (Vector vector : iterable) {
- Assert.assertNotNull(vector);
+ assertNotNull(vector);
System.out.println("Vector[" + i++ + "]=" + formatVector(vector));
sampleData.add(new VectorWritable(vector));
}
@@ -165,7 +155,7 @@ public class TestL1ModelClustering exten
return buf.toString();
}
- private static void printSamples(List<Cluster[]> result, int significant) {
+ private static void printSamples(Iterable<Cluster[]> result, int significant) {
int row = 0;
for (Cluster[] r : result) {
int sig = 0;
@@ -213,18 +203,18 @@ public class TestL1ModelClustering exten
}
}
+ @Test
public void testDocs() throws Exception {
- System.out.println("testDocs");
getSampleData(DOCS);
DirichletClusterer dc = new DirichletClusterer(sampleData, new L1ModelDistribution(sampleData.get(0)), 1.0, 15, 1, 0);
List<Cluster[]> result = dc.cluster(10);
- Assert.assertNotNull(result);
+ assertNotNull(result);
printSamples(result, 0);
printClusters(result.get(result.size() - 1), sampleData, DOCS);
}
+ @Test
public void testDMDocs() throws Exception {
- System.out.println("DM testDocs");
getSampleData(DOCS);
DirichletClusterer dc = new DirichletClusterer(sampleData,
new DistanceMeasureClusterDistribution(sampleData.get(0)),
@@ -233,23 +223,23 @@ public class TestL1ModelClustering exten
1,
0);
List<Cluster[]> result = dc.cluster(10);
- Assert.assertNotNull(result);
+ assertNotNull(result);
printSamples(result, 0);
printClusters(result.get(result.size() - 1), sampleData, DOCS);
}
+ @Test
public void testDocs2() throws Exception {
- System.out.println("testDocs2");
getSampleData(DOCS2);
DirichletClusterer dc = new DirichletClusterer(sampleData, new L1ModelDistribution(sampleData.get(0)), 1.0, 15, 1, 0);
List<Cluster[]> result = dc.cluster(10);
- Assert.assertNotNull(result);
+ assertNotNull(result);
printSamples(result, 0);
printClusters(result.get(result.size() - 1), sampleData, DOCS2);
}
+ @Test
public void testDMDocs2() throws Exception {
- System.out.println("DM testDocs2");
getSampleData(DOCS2);
DirichletClusterer dc = new DirichletClusterer(sampleData,
new DistanceMeasureClusterDistribution(sampleData.get(0)),
@@ -258,7 +248,7 @@ public class TestL1ModelClustering exten
1,
0);
List<Cluster[]> result = dc.cluster(10);
- Assert.assertNotNull(result);
+ assertNotNull(result);
printSamples(result, 0);
printClusters(result.get(result.size() - 1), sampleData, DOCS2);
}
Added: mahout/trunk/utils/src/test/java/org/apache/mahout/utils/MahoutTestCase.java
URL: http://svn.apache.org/viewvc/mahout/trunk/utils/src/test/java/org/apache/mahout/utils/MahoutTestCase.java?rev=992277&view=auto
==============================================================================
--- mahout/trunk/utils/src/test/java/org/apache/mahout/utils/MahoutTestCase.java (added)
+++ mahout/trunk/utils/src/test/java/org/apache/mahout/utils/MahoutTestCase.java Fri Sep 3 12:28:34 2010
@@ -0,0 +1,30 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.mahout.utils;
+
+/**
+ * This class should not exist. It's here to work around some bizarre problem in Maven
+ * dependency management wherein it can see methods in {@link org.apache.mahout.common.MahoutTestCase}
+ * but not constants. Duplicated here to make it jive.
+ */
+public abstract class MahoutTestCase extends org.apache.mahout.common.MahoutTestCase {
+
+ /** "Close enough" value for floating-point comparisons. */
+ public static final double EPSILON = 0.0000001;
+
+}
Modified: mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/CollocMapperTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/CollocMapperTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/CollocMapperTest.java (original)
+++ mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/CollocMapperTest.java Fri Sep 3 12:28:34 2010
@@ -30,6 +30,7 @@ import org.apache.lucene.analysis.TokenS
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.util.Version;
import org.apache.mahout.common.StringTuple;
+import org.apache.mahout.utils.MahoutTestCase;
import org.apache.mahout.utils.nlp.collocations.llr.Gram.Type;
import org.easymock.classextension.EasyMock;
import org.junit.Before;
@@ -38,13 +39,15 @@ import org.junit.Test;
/**
* Test for CollocMapper
*/
-public class CollocMapperTest {
+public final class CollocMapperTest extends MahoutTestCase {
private Mapper<Text,StringTuple,GramKey,Gram>.Context context;
private Counter counter;
+ @Override
@Before
- public void setUp() {
+ public void setUp() throws Exception {
+ super.setUp();
counter = EasyMock.createMock(Counter.class);
context = EasyMock.createMock(Context.class);
}
Modified: mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/CollocReducerTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/CollocReducerTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/CollocReducerTest.java (original)
+++ mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/CollocReducerTest.java Fri Sep 3 12:28:34 2010
@@ -28,6 +28,7 @@ import java.util.LinkedList;
import org.apache.hadoop.mapreduce.Reducer;
import org.apache.hadoop.mapreduce.Reducer.Context;
+import org.apache.mahout.utils.MahoutTestCase;
import org.easymock.classextension.EasyMock;
import org.junit.Before;
import org.junit.Test;
@@ -35,12 +36,14 @@ import org.junit.Test;
/**
* Test the CollocReducer
*/
-public class CollocReducerTest {
+public final class CollocReducerTest extends MahoutTestCase {
private Reducer<GramKey,Gram,Gram,Gram>.Context context;
+ @Override
@Before
- public void setUp() {
+ public void setUp() throws Exception {
+ super.setUp();
context = EasyMock.createMock(Context.class);
}
Modified: mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramKeyGroupComparatorTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramKeyGroupComparatorTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramKeyGroupComparatorTest.java (original)
+++ mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramKeyGroupComparatorTest.java Fri Sep 3 12:28:34 2010
@@ -17,11 +17,10 @@
package org.apache.mahout.utils.nlp.collocations.llr;
-import junit.framework.Assert;
-
+import org.apache.mahout.utils.MahoutTestCase;
import org.junit.Test;
-public class GramKeyGroupComparatorTest {
+public final class GramKeyGroupComparatorTest extends MahoutTestCase {
@Test
public void testComparator() {
@@ -37,10 +36,10 @@ public class GramKeyGroupComparatorTest
GramKeyGroupComparator cmp = new GramKeyGroupComparator();
- Assert.assertEquals(0, cmp.compare(a, b));
- Assert.assertEquals(0, cmp.compare(a, c));
- Assert.assertTrue(0 > cmp.compare(a, d));
- Assert.assertTrue(0 < cmp.compare(a, e));
- Assert.assertTrue(0 < cmp.compare(d, e));
+ assertEquals(0, cmp.compare(a, b));
+ assertEquals(0, cmp.compare(a, c));
+ assertTrue(0 > cmp.compare(a, d));
+ assertTrue(0 < cmp.compare(a, e));
+ assertTrue(0 < cmp.compare(d, e));
}
}
Modified: mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramKeyPartitionerTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramKeyPartitionerTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramKeyPartitionerTest.java (original)
+++ mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramKeyPartitionerTest.java Fri Sep 3 12:28:34 2010
@@ -17,13 +17,12 @@
package org.apache.mahout.utils.nlp.collocations.llr;
-import junit.framework.Assert;
-
import org.apache.hadoop.mapreduce.Partitioner;
+import org.apache.mahout.utils.MahoutTestCase;
import org.junit.Test;
+public final class GramKeyPartitionerTest extends MahoutTestCase {
-public class GramKeyPartitionerTest {
@Test
public void testPartition() {
byte[] foo = new byte[1];
@@ -48,8 +47,8 @@ public class GramKeyPartitionerTest {
int dp = p.getPartition(d, null, numPartitions);
int ep = p.getPartition(e, null, numPartitions);
- Assert.assertEquals(ap, bp);
- Assert.assertEquals(ap, cp);
- Assert.assertEquals(dp, ep);
+ assertEquals(ap, bp);
+ assertEquals(ap, cp);
+ assertEquals(dp, ep);
}
}
Modified: mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramKeyTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramKeyTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramKeyTest.java (original)
+++ mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramKeyTest.java Fri Sep 3 12:28:34 2010
@@ -21,14 +21,13 @@ import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
-import java.io.IOException;
import java.util.Arrays;
-import junit.framework.Assert;
-
+import org.apache.mahout.utils.MahoutTestCase;
import org.junit.Test;
-public class GramKeyTest {
+public final class GramKeyTest extends MahoutTestCase {
+
@Test
public void testGramKeySort() {
byte[] foo = {1};
@@ -37,8 +36,7 @@ public class GramKeyTest {
// byte argument in GramKey breaks tie between equal grams
byte[] empty = new byte[0];
- GramKey[] input =
- {
+ GramKey[] input = {
new GramKey(new Gram("bar", 1, Gram.Type.UNIGRAM), empty),
new GramKey(new Gram("bar", 1, Gram.Type.UNIGRAM), empty),
new GramKey(new Gram("bar", 1, Gram.Type.UNIGRAM), foo),
@@ -63,22 +61,22 @@ public class GramKeyTest {
Arrays.sort(sorted);
for (int i=0; i < input.length; i++) {
- Assert.assertSame(input[expect[i]], sorted[i]);
+ assertSame(input[expect[i]], sorted[i]);
}
}
@Test
- public void testWritable() throws IOException {
+ public void testWritable() throws Exception {
byte[] foo = new byte[0];
byte[] bar = {2};
GramKey one = new GramKey(new Gram("foo", 2, Gram.Type.HEAD), foo);
GramKey two = new GramKey(new Gram("foobar", 3, Gram.Type.UNIGRAM), bar);
- Assert.assertEquals("foo", one.getPrimaryString());
- Assert.assertEquals("foobar", two.getPrimaryString());
+ assertEquals("foo", one.getPrimaryString());
+ assertEquals("foobar", two.getPrimaryString());
- Assert.assertEquals(Gram.Type.UNIGRAM, two.getType());
+ assertEquals(Gram.Type.UNIGRAM, two.getType());
ByteArrayOutputStream bout = new ByteArrayOutputStream();
DataOutputStream out = new DataOutputStream(bout);
@@ -94,8 +92,8 @@ public class GramKeyTest {
one.readFields(din);
din.close();
- Assert.assertTrue(Arrays.equals(two.getBytes(), one.getBytes()));
- Assert.assertEquals(Gram.Type.UNIGRAM, one.getType());
+ assertTrue(Arrays.equals(two.getBytes(), one.getBytes()));
+ assertEquals(Gram.Type.UNIGRAM, one.getType());
}
}
Modified: mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramTest.java
URL: http://svn.apache.org/viewvc/mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramTest.java?rev=992277&r1=992276&r2=992277&view=diff
==============================================================================
--- mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramTest.java (original)
+++ mahout/trunk/utils/src/test/java/org/apache/mahout/utils/nlp/collocations/llr/GramTest.java Fri Sep 3 12:28:34 2010
@@ -23,42 +23,40 @@ import java.io.DataInput;
import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.DataOutputStream;
-import java.io.IOException;
import java.util.Arrays;
import java.util.HashMap;
-import junit.framework.Assert;
-
+import org.apache.mahout.utils.MahoutTestCase;
import org.junit.Test;
-public class GramTest {
+public final class GramTest extends MahoutTestCase {
@Test
public void testConstructorsGetters() {
Gram one = new Gram("foo", 2, Gram.Type.HEAD);
- Assert.assertEquals("foo", one.getString());
- Assert.assertEquals(2, one.getFrequency());
- Assert.assertEquals(Gram.Type.HEAD, one.getType());
+ assertEquals("foo", one.getString());
+ assertEquals(2, one.getFrequency());
+ assertEquals(Gram.Type.HEAD, one.getType());
Gram oneClone = new Gram(one);
- Assert.assertEquals("foo", oneClone.getString());
- Assert.assertEquals(2, oneClone.getFrequency());
- Assert.assertEquals(Gram.Type.HEAD, oneClone.getType());
+ assertEquals("foo", oneClone.getString());
+ assertEquals(2, oneClone.getFrequency());
+ assertEquals(Gram.Type.HEAD, oneClone.getType());
Gram two = new Gram("foo", 3, Gram.Type.TAIL);
- Assert.assertEquals(Gram.Type.TAIL, two.getType());
+ assertEquals(Gram.Type.TAIL, two.getType());
Gram three = new Gram("foo", 4, Gram.Type.UNIGRAM);
- Assert.assertEquals(Gram.Type.UNIGRAM, three.getType());
+ assertEquals(Gram.Type.UNIGRAM, three.getType());
Gram four = new Gram("foo", 5, Gram.Type.NGRAM);
- Assert.assertEquals(Gram.Type.NGRAM, four.getType());
+ assertEquals(Gram.Type.NGRAM, four.getType());
try {
new Gram(null, 4, Gram.Type.UNIGRAM);
- Assert.fail("expected exception");
+ fail("expected exception");
} catch (NullPointerException ex) {
/* ok */
}
@@ -66,7 +64,7 @@ public class GramTest {
try {
new Gram("foo", 4, null);
- Assert.fail("expected exception");
+ fail("expected exception");
} catch (NullPointerException ex) {
/* ok */
}
@@ -77,32 +75,32 @@ public class GramTest {
Gram one = new Gram("foo", 2, Gram.Type.HEAD);
Gram two = new Gram("foo", 3, Gram.Type.HEAD);
- Assert.assertEquals(one, two);
- Assert.assertEquals(two, one);
+ assertEquals(one, two);
+ assertEquals(two, one);
Gram three = new Gram("foo", 4, Gram.Type.TAIL);
Gram four = new Gram("foo", Gram.Type.UNIGRAM);
- Assert.assertTrue(!three.equals(two));
- Assert.assertTrue(!four.equals(one));
- Assert.assertTrue(!one.equals(four));
+ assertTrue(!three.equals(two));
+ assertTrue(!four.equals(one));
+ assertTrue(!one.equals(four));
Gram five = new Gram("foo", 5, Gram.Type.UNIGRAM);
- Assert.assertEquals(four, five);
+ assertEquals(four, five);
Gram six = new Gram("foo", 6, Gram.Type.NGRAM);
Gram seven = new Gram("foo", 7, Gram.Type.NGRAM);
- Assert.assertTrue(!five.equals(six));
- Assert.assertEquals(six, seven);
+ assertTrue(!five.equals(six));
+ assertEquals(six, seven);
Gram eight = new Gram("foobar", 4, Gram.Type.TAIL);
- Assert.assertTrue(!eight.equals(four));
- Assert.assertTrue(!eight.equals(three));
- Assert.assertTrue(!eight.equals(two));
- Assert.assertTrue(!eight.equals(one));
+ assertTrue(!eight.equals(four));
+ assertTrue(!eight.equals(three));
+ assertTrue(!eight.equals(two));
+ assertTrue(!eight.equals(one));
}
@Test
@@ -154,23 +152,23 @@ public class GramTest {
};
for (int i = 0; i < input.length; i++) {
- Assert.assertEquals(freq[i], input[i].getFrequency());
- Assert.assertEquals(memb[i], input[i] == map.get(input[i]));
+ assertEquals(freq[i], input[i].getFrequency());
+ assertEquals(memb[i], input[i] == map.get(input[i]));
}
}
@Test
- public void testWritable() throws IOException {
+ public void testWritable() throws Exception {
Gram one = new Gram("foo", 2, Gram.Type.HEAD);
Gram two = new Gram("foobar", 3, Gram.Type.UNIGRAM);
- Assert.assertEquals("foo", one.getString());
- Assert.assertEquals(2, one.getFrequency());
- Assert.assertEquals(Gram.Type.HEAD, one.getType());
-
- Assert.assertEquals("foobar", two.getString());
- Assert.assertEquals(3, two.getFrequency());
- Assert.assertEquals(Gram.Type.UNIGRAM, two.getType());
+ assertEquals("foo", one.getString());
+ assertEquals(2, one.getFrequency());
+ assertEquals(Gram.Type.HEAD, one.getType());
+
+ assertEquals("foobar", two.getString());
+ assertEquals(3, two.getFrequency());
+ assertEquals(Gram.Type.UNIGRAM, two.getType());
ByteArrayOutputStream bout = new ByteArrayOutputStream();
DataOutput out = new DataOutputStream(bout);
@@ -184,14 +182,14 @@ public class GramTest {
one.readFields(din);
- Assert.assertEquals("foobar", one.getString());
- Assert.assertEquals(3, one.getFrequency());
- Assert.assertEquals(Gram.Type.UNIGRAM, one.getType());
+ assertEquals("foobar", one.getString());
+ assertEquals(3, one.getFrequency());
+ assertEquals(Gram.Type.UNIGRAM, one.getType());
}
@Test
- public void testSorting() throws IOException {
+ public void testSorting() {
Gram[] input =
{
new Gram("foo", 2, Gram.Type.HEAD),
@@ -216,7 +214,7 @@ public class GramTest {
Arrays.sort(sorted);
for (int i=0; i < sorted.length; i++) {
- Assert.assertSame(input[expectations[i]], sorted[i]);
+ assertSame(input[expectations[i]], sorted[i]);
}
}
}