svn commit: r1414936 - /pig/trunk/test/org/apache/pig/builtin/TestCurrentTime.java

[ch...@apache.org]

Author: cheolsoo
Date: Wed Nov 28 21:36:41 2012
New Revision: 1414936

URL: http://svn.apache.org/viewvc?rev=1414936&view=rev
Log:
PIG-3014: CurrentTime() UDF has undesirable characteristics (jcoveney via
cheolsoo) - adding a new test file

Added:
    pig/trunk/test/org/apache/pig/builtin/TestCurrentTime.java

Added: pig/trunk/test/org/apache/pig/builtin/TestCurrentTime.java
URL: http://svn.apache.org/viewvc/pig/trunk/test/org/apache/pig/builtin/TestCurrentTime.java?rev=1414936&view=auto
==============================================================================
--- pig/trunk/test/org/apache/pig/builtin/TestCurrentTime.java (added)
+++ pig/trunk/test/org/apache/pig/builtin/TestCurrentTime.java Wed Nov 28 21:36:41 2012
@@ -0,0 +1,68 @@
+/*
+ * 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.pig.builtin;
+
+import static org.apache.pig.builtin.mock.Storage.resetData;
+import static org.apache.pig.builtin.mock.Storage.tuple;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.util.Iterator;
+import java.util.List;
+
+import org.apache.pig.ExecType;
+import org.apache.pig.PigServer;
+import org.apache.pig.backend.executionengine.ExecException;
+import org.apache.pig.builtin.mock.Storage.Data;
+import org.apache.pig.data.Tuple;
+import org.apache.pig.impl.util.UDFContext;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.google.common.collect.Lists;
+
+public class TestCurrentTime {
+    private static PigServer pigServer;
+
+    @Before
+    public void setUp() throws Exception {
+        pigServer = new PigServer(ExecType.LOCAL);
+    }
+
+    @Test
+    public void testAllCurrentTimeSame() throws Exception {
+        Data data = resetData(pigServer);
+
+        List<Tuple> justSomeRows = Lists.newArrayList();
+        for (int i = 0; i < 1000; i++) {
+            justSomeRows.add(tuple(i));
+        }
+
+        data.set("justSomeRows", justSomeRows);
+
+        pigServer.registerQuery("A = load 'justSomeRows' using mock.Storage();");
+        pigServer.registerQuery("B = foreach A generate CurrentTime();");
+        pigServer.registerQuery("C = foreach (group B by $0) generate COUNT($1);");
+        Iterator<Tuple> it = pigServer.openIterator("C");
+        assertTrue(it.hasNext());
+        Tuple t = it.next();
+        assertEquals(1000L, t.get(0));
+        assertFalse(it.hasNext());
+    }
+}