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https://issues.apache.org/jira/browse/TINKERPOP-1076?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
stephen mallette updated TINKERPOP-1076:
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Issue Type: Improvement (was: Bug)
> Gremlin Tests cannot be executed individually
> ---------------------------------------------
>
> Key: TINKERPOP-1076
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1076
> Project: TinkerPop
> Issue Type: Improvement
> Components: test-suite
> Affects Versions: 3.1.0-incubating
> Environment: Gremlin 3.1.0-Incubating, JDK 8, Eclipse Mars, JUnit 4,
> Gradle (Dependency Management)
> Reporter: Martin Häusler
>
> h2. General description
> Using the Eclipse plugin for JUnit, it's easy to run test suites, and then
> pick a single failed test from the results (for debugging purposes) and
> execute only that particular test. If I try that, I get the exception below.
> h2. Exception Stack Trace
> {code}
> java.lang.NullPointerException
> at
> org.apache.tinkerpop.gremlin.AbstractGremlinTest.setup(AbstractGremlinTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
> at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
> at
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
> {code}
> h2. Reproduction Steps
> In Eclipse (maybe this works in other IDEs as well, not sure), run the whole
> gremlin structure test suite until it finishes. Then, in the JUnit view,
> select a test class (e.g.
> {{org.apache.tinkerpop.gremlin.structure.util.detached.DetachedGraphTest}}),
> right-click it, and select "run". It fails with the given exception. The same
> thing holds true if an individual test method is selected.
> h2. Rationale
> I have to run the whole suite just to get to a particular test which is
> tedious for debugging, because breakpoints are likely to be hit by other
> (passing) tests as well, so I potentially have to skip over lots and lots of
> breakpoints until I finally arrive at the test I intended to debug. Plus,
> it's general good test design if each test is executable independently.
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