Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/11030#discussion_r52088794
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/streaming/ContinuousQuerySuite.scala
---
@@ -0,0 +1,139 @@
+/*
+ * 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.sql.streaming
+
+import org.apache.spark.SparkException
+import org.apache.spark.sql.StreamTest
+import org.apache.spark.sql.execution.streaming.{CompositeOffset,
LongOffset, MemoryStream, StreamExecution}
+import org.apache.spark.sql.test.SharedSQLContext
+
+class ContinuousQuerySuite extends StreamTest with SharedSQLContext {
+
+ import AwaitTerminationTester._
+ import testImplicits._
+
+ test("lifecycle states and awaitTermination") {
+ val inputData = MemoryStream[Int]
+ val mapped = inputData.toDS().map { 6 / _}
+
+ testStream(mapped)(
+ AssertOnQuery(_.isActive === true),
+ AssertOnQuery(_.exception.isEmpty),
+ AddData(inputData, 1, 2),
+ CheckAnswer(6, 3),
+ TestAwaitTermination(ExpectBlocked),
+ TestAwaitTermination(ExpectBlocked, timeoutMs = 2000),
+ TestAwaitTermination(ExpectNotBlocked, timeoutMs = 10,
expectedReturnValue = false),
+ StopStream,
+ AssertOnQuery(_.isActive === false),
+ AssertOnQuery(_.exception.isEmpty),
+ TestAwaitTermination(ExpectNotBlocked),
+ TestAwaitTermination(ExpectNotBlocked, timeoutMs = 2000,
expectedReturnValue = true),
+ TestAwaitTermination(ExpectNotBlocked, timeoutMs = 10,
expectedReturnValue = true),
+ StartStream,
+ AssertOnQuery(_.isActive === true),
+ AddData(inputData, 0),
+ ExpectFailure[SparkException],
+ AssertOnQuery(_.isActive === false),
+ TestAwaitTermination(ExpectException[SparkException]),
+ TestAwaitTermination(ExpectException[SparkException], timeoutMs =
2000),
+ TestAwaitTermination(ExpectException[SparkException], timeoutMs =
10),
+ AssertOnQuery(
+ q => q.exception.get.startOffset.get ===
q.streamProgress.toCompositeOffset(Seq(inputData)),
+ "incorrect start offset on exception")
+ )
+ }
+
+ test("source and sink statuses") {
+ val inputData = MemoryStream[Int]
+ val mapped = inputData.toDS().map(6 / _)
+
+ testStream(mapped)(
+ AssertOnQuery(_.sourceStatuses.length === 1),
+ AssertOnQuery(_.sourceStatuses(0).description.contains("Memory")),
+ AssertOnQuery(_.sourceStatuses(0).offset === None),
+ AssertOnQuery(_.sinkStatus.description.contains("Memory")),
+ AssertOnQuery(_.sinkStatus.offset === None),
+ AddData(inputData, 1, 2),
+ CheckAnswer(6, 3),
+ AssertOnQuery(_.sourceStatuses(0).offset === Some(LongOffset(0))),
+ AssertOnQuery(_.sinkStatus.offset ===
Some(CompositeOffset.fill(LongOffset(0)))),
+ AddData(inputData, 1, 2),
+ CheckAnswer(6, 3, 6, 3),
+ AssertOnQuery(_.sourceStatuses(0).offset === Some(LongOffset(1))),
+ AssertOnQuery(_.sinkStatus.offset ===
Some(CompositeOffset.fill(LongOffset(1)))),
+ AddData(inputData, 0),
+ ExpectFailure[SparkException],
+ AssertOnQuery(_.sourceStatuses(0).offset === Some(LongOffset(2))),
+ AssertOnQuery(_.sinkStatus.offset ===
Some(CompositeOffset.fill(LongOffset(1))))
+ )
+ }
+
+ /**
+ * A [[StreamAction]] to test the behavior of
`StandingQuery.awaitTermination()`.
+ *
+ * @param expectedBehavior Expected behavior (not blocked, blocked, or
exception thrown)
+ * @param timeoutMs Timeout in milliseconds
+ * When timeoutMs <= 0, awaitTermination() is
tested (i.e. w/o timeout)
+ * When timeoutMs > 0,
awaitTermination(timeoutMs) is tested
+ * @param expectedReturnValue Expected return value when
awaitTermination(timeoutMs) is used
+ */
+ case class TestAwaitTermination(
+ expectedBehavior: ExpectedBehavior,
+ timeoutMs: Int = -1,
+ expectedReturnValue: Boolean = false
+ ) extends AssertOnQuery(
+ TestAwaitTermination.assertOnQueryCondition(expectedBehavior,
timeoutMs, expectedReturnValue),
+ "Error testing awaitTermination behavior"
+ ) {
+ override def toString(): String = {
+ s"TestAwaitTermination($expectedBehavior, timeoutMs = $timeoutMs, " +
+ s"expectedReturnValue = $expectedReturnValue)"
+ }
+ }
+
+ object TestAwaitTermination {
+
+ /**
+ * Tests the behavior of `StandingQuery.awaitTermination`.
--- End diff --
stale doc
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