[3/6] incubator-beam git commit: Add test

[lc...@apache.org]

Add test


Project: http://git-wip-us.apache.org/repos/asf/incubator-beam/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-beam/commit/62b61197
Tree: http://git-wip-us.apache.org/repos/asf/incubator-beam/tree/62b61197
Diff: http://git-wip-us.apache.org/repos/asf/incubator-beam/diff/62b61197

Branch: refs/heads/master
Commit: 62b6119791a1c248ad2846b331db4b59de169031
Parents: 0236bc1
Author: Mark Shields <ma...@google.com>
Authored: Fri Apr 22 17:45:58 2016 -0700
Committer: Mark Shields <ma...@google.com>
Committed: Mon Apr 25 14:10:50 2016 -0700

----------------------------------------------------------------------
 .../runners/dataflow/TestCountingSource.java    |  4 +-
 .../dataflow/TestCountingSourceTest.java        | 55 ++++++++++++++++++++
 2 files changed, 57 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/62b61197/sdks/java/core/src/test/java/org/apache/beam/sdk/runners/dataflow/TestCountingSource.java
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diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/runners/dataflow/TestCountingSource.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/runners/dataflow/TestCountingSource.java
index 1ea3521..010a19b 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/runners/dataflow/TestCountingSource.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/runners/dataflow/TestCountingSource.java
@@ -155,7 +155,7 @@ public class TestCountingSource
     return dedup;
   }
 
-  private class CountingSourceReader extends UnboundedReader<KV<Integer, Integer>> {
+  public class CountingSourceReader extends UnboundedReader<KV<Integer, Integer>> {
     private int current;
 
     public CountingSourceReader(int startingPoint) {
@@ -215,7 +215,7 @@ public class TestCountingSource
     }
 
     @Override
-    public CheckpointMark getCheckpointMark() {
+    public CounterMark getCheckpointMark() {
       if (throwOnFirstSnapshot && !thrown) {
         thrown = true;
         LOG.error("Throwing exception while checkpointing counter");

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/62b61197/sdks/java/core/src/test/java/org/apache/beam/sdk/runners/dataflow/TestCountingSourceTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/runners/dataflow/TestCountingSourceTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/runners/dataflow/TestCountingSourceTest.java
new file mode 100644
index 0000000..b122bc0
--- /dev/null
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/runners/dataflow/TestCountingSourceTest.java
@@ -0,0 +1,55 @@
+/*
+ * 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.beam.sdk.runners.dataflow;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.apache.beam.sdk.options.PipelineOptions;
+import org.apache.beam.sdk.options.PipelineOptionsFactory;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import java.io.IOException;
+
+/**
+ * Test the TestCountingSource.
+ */
+@RunWith(JUnit4.class)
+public class TestCountingSourceTest {
+  @Test
+  public void testRespectsCheckpointContract() throws IOException {
+    TestCountingSource source = new TestCountingSource(3);
+    PipelineOptions options = PipelineOptionsFactory.create();
+    TestCountingSource.CountingSourceReader reader = source.createReader(options, null);
+    assertTrue(reader.start());
+    assertEquals(0L, (long) reader.getCurrent().getValue());
+    assertTrue(reader.advance());
+    assertEquals(1L, (long) reader.getCurrent().getValue());
+    TestCountingSource.CounterMark checkpoint = reader.getCheckpointMark();
+    checkpoint.finalizeCheckpoint();
+    reader = source.createReader(options, checkpoint);
+    assertTrue(reader.start());
+    assertEquals(2L, (long) reader.getCurrent().getValue());
+    assertFalse(reader.advance());
+  }
+}