Note that there wasn't any case of multiple testcase classes in
1 file. All the cases reported in the issue were false positives
caused but other "mock/fixture" files being named _test.
So all this issue does is:
1) rename any _test suffixed class in test files, because we are
going to start renaming a lot of test classes to _test.
2) ensure that the 2 test case classes modified in this issue,
are already observing the filename = classname rule that will
be implemented soon (and verigy it works).
The current ->setMethods() has been silently (won't emit any
warning) in PHPUnit 9. And will stop working (current plans)
in PHPUnit 10.
Basically the now deprecated method has been split into:
- onlyMethods(): To point to existing methods in the mocked artifact.
- addMethods(): To point to non existing (yet) methods in the mocked
artifact.
In practice that means that all our current setMethods() calls can be
converted to onlyMethods() (existing) and done. The addMethods() is
mostly useful on development phases, not final testing.
Finally note that <null> isn't accepted anymore as parameter to
double all the methods. Instead empty array [] must be used.
Link: https://github.com/sebastianbergmann/phpunit/issues/3770
