Andrew Bennetts added the comment:
googletest (an xUnit style C++ test framework) has an interesting feature: in
addition to assertions like ASSERT_EQ(x, y) that stop the test, it has
EXPECT_EQ(x, y) etc that will cause the test to fail without causing it to
stop. I think this decoupling of “test failed” and “test execution stopped” is
very useful. (Note this also implies a single test can have multiple failures,
or if you prefer that a single test can have multiple messages attached to
explain why its state is 'FAILED'.)
I wouldn't like to see a duplication of all assert* methods as expect* methods,
but there are alternatives. A single self.expectThat method that takes a value
and a matcher, for instance.
Or you could have a context manager:
with self.continueOnFailure():
self.assertEqual(x, y)
In fact, I suppose that's more-or-less what the subtests patch offers? Except
the subtests feature seems to want to get involved in knowing about parameters
and the like too, which feels weird to me.
Basically, I really don't like the “subtests” name, but if instead it's named
something that directly says its only effect is that failures don't abort the
test, then I'd be happy.
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<http://bugs.python.org/issue16997>
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