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From aviem...@apache.org
Subject [1/2] beam git commit: [BEAM-2057] Add a test for metrics reporting in Spark runner.
Date Sat, 29 Apr 2017 14:58:36 GMT
Repository: beam
Updated Branches:
  refs/heads/master bac06331e -> 81474aeaf


[BEAM-2057] Add a test for metrics reporting in Spark runner.


Project: http://git-wip-us.apache.org/repos/asf/beam/repo
Commit: http://git-wip-us.apache.org/repos/asf/beam/commit/59117737
Tree: http://git-wip-us.apache.org/repos/asf/beam/tree/59117737
Diff: http://git-wip-us.apache.org/repos/asf/beam/diff/59117737

Branch: refs/heads/master
Commit: 59117737619ba90345761ae0aefcf361eabf3772
Parents: bac0633
Author: Holden Karau <holden@us.ibm.com>
Authored: Wed Apr 26 22:22:49 2017 -0700
Committer: Aviem Zur <aviemzur@gmail.com>
Committed: Sat Apr 29 17:57:42 2017 +0300

----------------------------------------------------------------------
 .../metrics/sink/SparkMetricsSinkTest.java      | 86 ++++++++++++++++++++
 1 file changed, 86 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/beam/blob/59117737/runners/spark/src/test/java/org/apache/beam/runners/spark/aggregators/metrics/sink/SparkMetricsSinkTest.java
----------------------------------------------------------------------
diff --git a/runners/spark/src/test/java/org/apache/beam/runners/spark/aggregators/metrics/sink/SparkMetricsSinkTest.java
b/runners/spark/src/test/java/org/apache/beam/runners/spark/aggregators/metrics/sink/SparkMetricsSinkTest.java
new file mode 100644
index 0000000..b0ad972
--- /dev/null
+++ b/runners/spark/src/test/java/org/apache/beam/runners/spark/aggregators/metrics/sink/SparkMetricsSinkTest.java
@@ -0,0 +1,86 @@
+/*
+ * 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.runners.spark.aggregators.metrics.sink;
+
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.nullValue;
+import static org.junit.Assert.assertThat;
+
+import com.google.common.collect.ImmutableSet;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Set;
+import org.apache.beam.runners.spark.PipelineRule;
+import org.apache.beam.runners.spark.examples.WordCount;
+import org.apache.beam.sdk.Pipeline;
+import org.apache.beam.sdk.coders.StringUtf8Coder;
+import org.apache.beam.sdk.testing.PAssert;
+import org.apache.beam.sdk.transforms.Create;
+import org.apache.beam.sdk.transforms.MapElements;
+import org.apache.beam.sdk.values.PCollection;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExternalResource;
+
+
+/**
+ * A test that verifies Beam metrics are reported to Spark's metrics sink.
+ */
+public class SparkMetricsSinkTest {
+
+  @Rule
+  public ExternalResource inMemoryMetricsSink = new InMemoryMetricsSinkRule();
+
+  @Rule
+  public final PipelineRule pipelineRule = PipelineRule.batch();
+
+  private Pipeline createSparkPipeline() {
+    pipelineRule.getOptions().setEnableSparkMetricSinks(true);
+    return pipelineRule.createPipeline();
+  }
+
+  private void runPipeline() {
+    final List<String> words =
+        Arrays.asList("hi there", "hi", "hi sue bob", "hi sue", "", "bob hi");
+
+    final Set<String> expectedCounts =
+        ImmutableSet.of("hi: 5", "there: 1", "sue: 2", "bob: 2");
+
+    final Pipeline pipeline = createSparkPipeline();
+
+    final PCollection<String> output =
+        pipeline
+        .apply(Create.of(words).withCoder(StringUtf8Coder.of()))
+        .apply(new WordCount.CountWords())
+        .apply(MapElements.via(new WordCount.FormatAsTextFn()));
+
+    PAssert.that(output).containsInAnyOrder(expectedCounts);
+
+    pipeline.run();
+  }
+
+  @Test
+  public void testNamedMetric() throws Exception {
+    assertThat(InMemoryMetrics.valueOf("emptyLines"), is(nullValue()));
+
+    runPipeline();
+
+    assertThat(InMemoryMetrics.<Double>valueOf("emptyLines"), is(1d));
+  }
+}


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