def test_clear_failures_success(install_mockery):
"""Test the clear_failures happy path."""
# Set up a test prefix failure lock
lock = lk.Lock(spack.store.db.prefix_fail_path,
start=1,
length=1,
default_timeout=1e-9,
desc='test')
try:
lock.acquire_write()
except lk.LockTimeoutError:
tty.warn('Failed to write lock the test install failure')
spack.store.db._prefix_failures['test'] = lock
# Set up a fake failure mark (or file)
fs.touch(os.path.join(spack.store.db._failure_dir, 'test'))
# Now clear failure tracking
inst.clear_failures()
# Ensure there are no cached failure locks or failure marks
assert len(spack.store.db._prefix_failures) == 0
assert len(os.listdir(spack.store.db._failure_dir)) == 0
# Ensure the core directory and failure lock file still exist
assert os.path.isdir(spack.store.db._failure_dir)
assert os.path.isfile(spack.store.db.prefix_fail_path)
def test_clear_failures_errs(install_mockery, monkeypatch, capsys):
"""Test the clear_failures exception paths."""
orig_fn = os.remove
err_msg = 'Mock os remove'
def _raise_except(path):
raise OSError(err_msg)
# Set up a fake failure mark (or file)
fs.touch(os.path.join(spack.store.db._failure_dir, 'test'))
monkeypatch.setattr(os, 'remove', _raise_except)
# Clear failure tracking
inst.clear_failures()
# Ensure expected warning generated
out = str(capsys.readouterr()[1])
assert 'Unable to remove failure' in out
assert err_msg in out
# Restore remove for teardown
monkeypatch.setattr(os, 'remove', orig_fn)
