test_ok2/doc/en/example/assertion/test_failures.py

15 lines
445 B
Python

import py
failure_demo = py.path.local(__file__).dirpath("failure_demo.py")
pytest_plugins = ("pytester",)
def test_failure_demo_fails_properly(testdir):
target = testdir.tmpdir.join(failure_demo.basename)
failure_demo.copy(target)
failure_demo.copy(testdir.tmpdir.join(failure_demo.basename))
result = testdir.runpytest(target, syspathinsert=True)
result.stdout.fnmatch_lines(["*42 failed*"])
assert result.ret != 0