svn commit: r1299671 - in /lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search: TestSimpleSearchEquivalence.java spans/TestSpanSearchEquivalence.java

[rm...@apache.org]

Author: rmuir
Date: Mon Mar 12 13:36:09 2012
New Revision: 1299671

URL: http://svn.apache.org/viewvc?rev=1299671&view=rev
Log:
add very basic random spans tests

Added:
    lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/spans/TestSpanSearchEquivalence.java   (with props)
Modified:
    lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/TestSimpleSearchEquivalence.java

Modified: lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/TestSimpleSearchEquivalence.java
URL: http://svn.apache.org/viewvc/lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/TestSimpleSearchEquivalence.java?rev=1299671&r1=1299670&r2=1299671&view=diff
==============================================================================
--- lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/TestSimpleSearchEquivalence.java (original)
+++ lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/TestSimpleSearchEquivalence.java Mon Mar 12 13:36:09 2012
@@ -169,4 +169,23 @@ public class TestSimpleSearchEquivalence
     q2.add(new Term[] { t2, t3 }, 2);
     assertSubsetOf(q1, q2);
   }
+  
+  /** "A B"~∞ = +A +B if A != B */
+  public void testSloppyPhraseVersusBooleanAnd() throws Exception {
+    Term t1 = randomTerm();
+    Term t2 = null;
+    // semantics differ from SpanNear: SloppyPhrase handles repeats,
+    // so we must ensure t1 != t2
+    do {
+      t2 = randomTerm();
+    } while (t1.equals(t2));
+    PhraseQuery q1 = new PhraseQuery();
+    q1.add(t1);
+    q1.add(t2);
+    q1.setSlop(Integer.MAX_VALUE);
+    BooleanQuery q2 = new BooleanQuery();
+    q2.add(new TermQuery(t1), Occur.MUST);
+    q2.add(new TermQuery(t2), Occur.MUST);
+    assertSameSet(q1, q2);
+  }
 }

Added: lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/spans/TestSpanSearchEquivalence.java
URL: http://svn.apache.org/viewvc/lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/spans/TestSpanSearchEquivalence.java?rev=1299671&view=auto
==============================================================================
--- lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/spans/TestSpanSearchEquivalence.java (added)
+++ lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/spans/TestSpanSearchEquivalence.java Mon Mar 12 13:36:09 2012
@@ -0,0 +1,109 @@
+package org.apache.lucene.search.spans;
+
+/**
+ * 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.
+ */
+
+import org.apache.lucene.index.Term;
+import org.apache.lucene.search.BooleanClause.Occur;
+import org.apache.lucene.search.BooleanQuery;
+import org.apache.lucene.search.PhraseQuery;
+import org.apache.lucene.search.SearchEquivalenceTestBase;
+import org.apache.lucene.search.TermQuery;
+
+/**
+ * Basic equivalence tests for span queries
+ */
+public class TestSpanSearchEquivalence extends SearchEquivalenceTestBase {
+  
+  // TODO: we could go a little crazy for a lot of these,
+  // but these are just simple minimal cases in case something 
+  // goes horribly wrong. Put more intense tests elsewhere.
+
+  /** SpanTermQuery(A) = TermQuery(A) */
+  public void testSpanTermVersusTerm() throws Exception {
+    Term t1 = randomTerm();
+    assertSameSet(new TermQuery(t1), new SpanTermQuery(t1));
+  }
+  
+  /** SpanOrQuery(A, B) = (A B) */
+  public void testSpanOrVersusBoolean() throws Exception {
+    Term t1 = randomTerm();
+    Term t2 = randomTerm();
+    BooleanQuery q1 = new BooleanQuery();
+    q1.add(new TermQuery(t1), Occur.SHOULD);
+    q1.add(new TermQuery(t2), Occur.SHOULD);
+    SpanOrQuery q2 = new SpanOrQuery(new SpanTermQuery(t1), new SpanTermQuery(t2));
+    assertSameSet(q1, q2);
+  }
+  
+  /** SpanNotQuery(A, B) ⊆ SpanTermQuery(A) */
+  public void testSpanNotVersusSpanTerm() throws Exception {
+    Term t1 = randomTerm();
+    Term t2 = randomTerm();
+    assertSubsetOf(new SpanNotQuery(new SpanTermQuery(t1), new SpanTermQuery(t2)), new SpanTermQuery(t1));
+  }
+  
+  /** SpanFirstQuery(A, 10) ⊆ SpanTermQuery(A) */
+  public void testSpanFirstVersusSpanTerm() throws Exception {
+    Term t1 = randomTerm();
+    assertSubsetOf(new SpanFirstQuery(new SpanTermQuery(t1), 10), new SpanTermQuery(t1));
+  }
+  
+  /** SpanNearQuery([A, B], 0, true) = "A B" */
+  public void testSpanNearVersusPhrase() throws Exception {
+    Term t1 = randomTerm();
+    Term t2 = randomTerm();
+    SpanQuery subquery[] = new SpanQuery[] { new SpanTermQuery(t1), new SpanTermQuery(t2) };
+    SpanNearQuery q1 = new SpanNearQuery(subquery, 0, true);
+    PhraseQuery q2 = new PhraseQuery();
+    q2.add(t1);
+    q2.add(t2);
+    assertSameSet(q1, q2);
+  }
+  
+  /** SpanNearQuery([A, B], ∞, false) = +A +B */
+  public void testSpanNearVersusBooleanAnd() throws Exception {
+    Term t1 = randomTerm();
+    Term t2 = randomTerm();
+    SpanQuery subquery[] = new SpanQuery[] { new SpanTermQuery(t1), new SpanTermQuery(t2) };
+    SpanNearQuery q1 = new SpanNearQuery(subquery, Integer.MAX_VALUE, false);
+    BooleanQuery q2 = new BooleanQuery();
+    q2.add(new TermQuery(t1), Occur.MUST);
+    q2.add(new TermQuery(t2), Occur.MUST);
+    assertSameSet(q1, q2);
+  }
+  
+  /** SpanNearQuery([A B], 0, false) ⊆ SpanNearQuery([A B], 1, false) */
+  public void testSpanNearVersusSloppySpanNear() throws Exception {
+    Term t1 = randomTerm();
+    Term t2 = randomTerm();
+    SpanQuery subquery[] = new SpanQuery[] { new SpanTermQuery(t1), new SpanTermQuery(t2) };
+    SpanNearQuery q1 = new SpanNearQuery(subquery, 0, false);
+    SpanNearQuery q2 = new SpanNearQuery(subquery, 1, false);
+    assertSubsetOf(q1, q2);
+  }
+  
+  /** SpanNearQuery([A B], 3, true) ⊆ SpanNearQuery([A B], 3, false) */
+  public void testSpanNearInOrderVersusOutOfOrder() throws Exception {
+    Term t1 = randomTerm();
+    Term t2 = randomTerm();
+    SpanQuery subquery[] = new SpanQuery[] { new SpanTermQuery(t1), new SpanTermQuery(t2) };
+    SpanNearQuery q1 = new SpanNearQuery(subquery, 3, true);
+    SpanNearQuery q2 = new SpanNearQuery(subquery, 3, false);
+    assertSubsetOf(q1, q2);
+  }
+}