Github user mccheah commented on a diff in the pull request:
https://github.com/apache/spark/pull/4155#discussion_r23634059
--- Diff:
core/src/test/scala/org/apache/spark/scheduler/OutputCommitCoordinatorSuite.scala
---
@@ -0,0 +1,177 @@
+/*
+ * 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.spark.scheduler
+
+import java.io.{ObjectInputStream, ObjectOutputStream, IOException}
+
+import scala.collection.mutable
+
+import org.mockito.Mockito._
+import org.scalatest.concurrent.Timeouts
+import org.scalatest.{BeforeAndAfter, FunSuite}
+
+import org.apache.hadoop.mapred.{TaskAttemptID, JobConf,
TaskAttemptContext, OutputCommitter}
+
+import org.apache.spark._
+import org.apache.spark.executor.{TaskMetrics}
+import org.apache.spark.rdd.FakeOutputCommitter
+
+/**
+ * Unit tests for the output commit coordination functionality. Overrides
the
+ * SchedulerImpl to just run the tasks directly and send completion or
error
+ * messages back to the DAG scheduler.
+ */
--- End diff --
So this is no longer testing the right thing. But I haven't been able to
find an example of a unit test that overrides some of the SchedulerImpl's
methods but keeps everything else the same as the default setup. Any
suggestions?
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