Hi Folks,
I have just recently pushed bug 1192533, which will allow more fine
grained debugging in xpcshell tests. I often had the problem that only a
single task within a test was failing. Running the test over and over
again took longer because all the other tasks had to run. I wished we
could use .only() and .skip() as you may know from mocha tests.
Well, now you can! It currently requires editing the file instead of
running via a mach parameter, but since you are fixing an issue you'll
be editing the file anyway.
Before:
add_task(function* my_test() {
// the failing task.
// ...
});
add_test(function my_async_test() {
// a working test.
// ...
run_next_test();
});
After:
add_task.only(function* my_test() {
// the failing task, ready to debug
});
add_test.skip(function my_async_test() {
// a working test.
// ...
run_next_test();
});
Then run the test as usual, no extra parameters.
Don't forget to remove the .only/.skip when you are done. With a little
extra effort this could be changed to pass the task name via mach, I've
made a suggestion how to do this in the bug comment 3.
Philipp
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