Junit test are not created if base project is on a path with "/test/" keyword

[kartikeytewari-ul]

Describe the bug

If a project is inside a path with /test/ string in it, then Junit test generation will not happen.

Video Demo is here. The stack trace is:

Failed to generate test case

java.lang.RuntimeException: java.lang.NullPointerException: Cannot invoke "java.util.Collection.toArray()" because "c" is null
	at com.insidious.plugin.ui.stomp.StompComponent.lambda$generateTestCaseSingle$22(StompComponent.java:1113)
	at com.intellij.openapi.project.DumbService.lambda$runReadActionInSmartMode$0(DumbService.java:112)
	at com.intellij.openapi.project.DumbService.lambda$runReadActionInSmartMode$1(DumbService.java:156)
	at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:889)
	at com.intellij.openapi.application.ReadAction.compute(ReadAction.java:69)
	at com.intellij.openapi.project.DumbService.runReadActionInSmartMode(DumbService.java:149)
	at com.intellij.openapi.project.DumbService.runReadActionInSmartMode(DumbService.java:112)
	at com.intellij.openapi.project.DumbService.tryRunReadActionInSmartMode(DumbService.java:129)
	at com.insidious.plugin.ui.stomp.StompComponent.generateTestCaseSingle(StompComponent.java:1107)
	at com.insidious.plugin.ui.stomp.StompComponent.onGenerateJunitTestCaseRequest(StompComponent.java:1067)
	at com.insidious.plugin.ui.stomp.StompComponent.lambda$createJunitFromSelected$6(StompComponent.java:430)
	at com.intellij.openapi.progress.impl.CoreProgressManager$2.run(CoreProgressManager.java:281)
	at com.intellij.openapi.progress.impl.CoreProgressManager.startTask(CoreProgressManager.java:429)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.startTask(ProgressManagerImpl.java:114)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcessWithProgressSynchronously$9(CoreProgressManager.java:513)
	at com.intellij.openapi.progress.impl.ProgressRunner.lambda$new$0(ProgressRunner.java:84)
	at com.intellij.openapi.progress.impl.ProgressRunner.lambda$submit$3(ProgressRunner.java:252)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:186)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$13(CoreProgressManager.java:604)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:679)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:635)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:603)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:60)
	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:173)
	at com.intellij.openapi.progress.impl.ProgressRunner.lambda$submit$4(ProgressRunner.java:252)
	at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:702)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:699)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:699)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.lang.NullPointerException: Cannot invoke "java.util.Collection.toArray()" because "c" is null
	at java.base/java.util.ArrayList.addAll(ArrayList.java:670)
	at com.insidious.plugin.factory.testcase.TestCaseService.buildTestCaseUnit(TestCaseService.java:274)
	at com.insidious.plugin.ui.stomp.StompComponent.lambda$generateTestCaseSingle$22(StompComponent.java:1109)
	... 32 more

Reproduction steps

1. Create a project with path ~/test/unlogged-spring-maven-demo
2. Direct Invoke any method
3. Click on the Junit button, an exception will be thrown by Intellij IDE.
   ...

Expected behavior

Junit test case should have generated

Additional context

No response

[kartikeytewari-ul]

RCA:

• in TestCaseWriter class generateTestCaseBoilerPlace method a check on line-795 makes the return value null.
• This method is invoked from TestCaseDesignerLite Class constructor from line-143.
• The return value is null so line-145 breaks, and the catch-all messages get hit for test case.