问题
I'm trying to build eclipse plugins (org.eclipse.jdt.ui.tests.refactoring).
Downloading the source from the git, and I could build the project. I wanted to debug into ExtractMethodTest routine, I just set a breakpoint in a setUP routine, and launch the debugger.
However, I got an initialization error.
Then, I tried to launch the debugger by right click on the ExtractMethodTests.java in package explorer to get Workspace is closed error.
What might be wrong? I just wanted to launch ExtractMethodTests.java unit test to trace the code line by line.
回答1:
Are you trying to run with the wrong version of JUnit? Eclipse ships with both JUnit 3 and Junit 4 compatible runtimes.
Secondly, does your unit test actually have a 0-arg constructor?
Clearly, I didn't check the code base to see if the Eclipse people know how to create the unit tests. I'm just assuming they do.
回答2:
"Test class should have exactly one" error
Using JUnit 3 as a test runner solved the first issue, but I still have the workspace issue. I'll open another post for it.
"Workspace is closed" error
From the hint of Workspace is closed error, I executed the test as a plugin test to make it work.
来源：https://stackoverflow.com/questions/13889273/debugging-eclipse-unit-test-code-test-class-should-have-exactly-one-and-works