为番石榴设置PITest

时间：2016-12-06 20:27:57

标签： java junit guava mutation-testing pitest

我试图为Guava（http://pitest.org/）设置PIT来进行突变适应性测试，但是在尝试运行它时遇到以下错误。这是我得到的错误：

12:19:47 PM PIT >> INFO : Sending 32 test classes to minion
12:19:47 PM PIT >> INFO : Sent tests to minion
12:19:48 PM PIT >> INFO : MINION : 12:19:48 PM PIT >> INFO : Checking environment

12:19:48 PM PIT >> INFO : MINION : 12:19:48 PM PIT >> INFO : Found  40 tests

12:19:48 PM PIT >> INFO : MINION : 12:19:48 PM PIT >> INFO : Dependency analysis reduced number of potential tests by 0

12:19:48 PM PIT >> INFO : MINION : 12:19:48 PM PIT >> INFO : 40 tests received

12:19:53 PM PIT >> INFO : MINION : Dec 06, 2016 12:19:53 PM java.util.prefs.WindowsPreferences <init>
WARNING: Could not open/create prefs root node Software\JavaSoft\Prefs at root 0x80000002. Windows RegCreateKeyEx(...) returned error code 5.

12:19:54 PM PIT >> INFO : MINION : 12:19:54 PM PIT >> WARNING : More threads at end of test (7) testCantRemove(com.google.common.collect.AbstractIteratorTest_gwt) than start. (5)


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-12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractIteratorTest_gwt, name=testCantRemove(com.google.common.collect.AbstractIteratorTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractIteratorTest_gwt, name=testDefaultBehaviorOfNextAndHasNext(com.google.common.collect.AbstractIteratorTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractIteratorTest_gwt, name=testDefaultBehaviorOfPeek(com.google.common.collect.AbstractIteratorTest_gwt)] did not pass without mutation.

/12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractIteratorTest_gwt, name=testDefaultBehaviorOfPeekForEmptyIteration(com.google.common.collect.AbstractIteratorTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractIteratorTest_gwt, name=testException(com.google.common.collect.AbstractIteratorTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractIteratorTest_gwt, name=testExceptionAfterEndOfData(com.google.common.collect.AbstractIteratorTest_gwt)] did not pass without mutation.

\12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractIteratorTest_gwt, name=testReentrantHasNext(com.google.common.collect.AbstractIteratorTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractIteratorTest_gwt, name=testSneakyThrow(com.google.common.collect.AbstractIteratorTest_gwt)] did not pass without mutation.

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/12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractMapEntryTest_gwt, name=testEquals(com.google.common.collect.AbstractMapEntryTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractMapEntryTest_gwt, name=testEqualsNull(com.google.common.collect.AbstractMapEntryTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractMapEntryTest_gwt, name=testHashCode(com.google.common.collect.AbstractMapEntryTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractMapEntryTest_gwt, name=testHashCodeNull(com.google.common.collect.AbstractMapEntryTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractMapEntryTest_gwt, name=testToString(com.google.common.collect.AbstractMapEntryTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractMapEntryTest_gwt, name=testToStringNull(com.google.common.collect.AbstractMapEntryTest_gwt)] did not pass without mutation.

|12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractSequentialIteratorTest_gwt, name=testBroken(com.google.common.collect.AbstractSequentialIteratorTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractSequentialIteratorTest_gwt, name=testDoubler(com.google.common.collect.AbstractSequentialIteratorTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractSequentialIteratorTest_gwt, name=testEmpty(com.google.common.collect.AbstractSequentialIteratorTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> WARNING : Description [testClass=com.google.common.collect.AbstractSequentialIteratorTest_gwt, name=testSampleCode(com.google.common.collect.AbstractSequentialIteratorTest_gwt)] did not pass without mutation.
12:19:54 PM PIT >> INFO : Calculated coverage in 9 seconds.
Exception in thread "main" org.pitest.help.PitHelpError: All tests did not pass without mutation when calculating line coverage. Mutation testing requires a green suite.
See http://pitest.org for more details.
    at org.pitest.coverage.execute.DefaultCoverageGenerator.verifyBuildSuitableForMutationTesting(DefaultCoverageGenerator.java:109)
    at org.pitest.coverage.execute.DefaultCoverageGenerator.calculateCoverage(DefaultCoverageGenerator.java:94)
    at org.pitest.coverage.execute.DefaultCoverageGenerator.calculateCoverage(DefaultCoverageGenerator.java:49)
    at org.pitest.mutationtest.tooling.MutationCoverage.runReport(MutationCoverage.java:110)
    at org.pitest.mutationtest.tooling.EntryPoint.execute(EntryPoint.java:103)
    at org.pitest.mutationtest.tooling.EntryPoint.execute(EntryPoint.java:45)
    at org.pitest.mutationtest.commandline.MutationCoverageReport.runReport(MutationCoverageReport.java:76)
    at org.pitest.mutationtest.commandline.MutationCoverageReport.main(MutationCoverageReport.java:45)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)

基本上，PIT都没有检测到测试，或者PIT没有正确运行测试，所有测试都失败了。我读过这篇文章：JUnit tests pass but PIT says the suite isn't green我认为＆＃34;你的代码库是否包含可变的静态状态？ （例如单身人士）＆＃34;是问题，但我不知道如何解决它。在测试套件有一些隐藏顺序依赖的情况下，如何才能使它可以运行PIT呢？或者测试套件与PIT完全不兼容？

1 个答案:

答案 0 :(得分：0)

问题很可能就是PIT正在运行GWT测试用例 - 由于代码不在JVM中运行，而是转换为Java脚本并在浏览器中运行，因此这些通常不是单元测试

PIT仅适用于在运行它的测试中运行在同一JVM中的代码。

如果排除番石榴gwt测试用例PIT会更快乐。

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