[FLINK-4592] Fix flaky test ScalarFunctionsTest.testCurrentTimePoint

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.2.0
• Component/s: Table SQL / API
• Labels: starter
• Assignee: Timo Walther
• Reporter: Timo Walther
• Created: 07/Sep/16 15:31
• Updated: 09/Sep/16 11:21
• Resolved: 09/Sep/16 11:21

Description

It seems that the test is still non deterministic.

org.apache.flink.api.table.expressions.ScalarFunctionsTest
testCurrentTimePoint(org.apache.flink.api.table.expressions.ScalarFunctionsTest)  Time elapsed: 0.083 sec  <<< FAILURE!
org.junit.ComparisonFailure: Wrong result for: AS(>=(CHAR_LENGTH(CAST(CURRENT_TIMESTAMP):VARCHAR(1) CHARACTER SET "ISO-8859-1" COLLATE "ISO-8859-1$en_US$primary" NOT NULL), 22), '_c0') expected:<[tru]e> but was:<[fals]e>
	at org.junit.Assert.assertEquals(Assert.java:115)
	at org.apache.flink.api.table.expressions.utils.ExpressionTestBase$$anonfun$evaluateExprs$1.apply(ExpressionTestBase.scala:126)
	at org.apache.flink.api.table.expressions.utils.ExpressionTestBase$$anonfun$evaluateExprs$1.apply(ExpressionTestBase.scala:123)
	at scala.collection.mutable.LinkedHashSet.foreach(LinkedHashSet.scala:87)
	at org.apache.flink.api.table.expressions.utils.ExpressionTestBase.evaluateExprs(ExpressionTestBase.scala:123)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:283)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:173)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:128)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)