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55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
import pytest
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from dvc.cli import main
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from dvc.exceptions import DvcException
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from dvc.lock import Lock, LockError
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def test_with(tmp_dir, dvc, mocker):
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# patching to speedup tests
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mocker.patch("dvc.lock.DEFAULT_TIMEOUT", 0.01)
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lockfile = tmp_dir / dvc.tmp_dir / "lock"
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with Lock(lockfile):
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with pytest.raises(LockError), Lock(lockfile):
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pass
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def test_unlock_lock_failed(tmp_dir, dvc, request, mocker):
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# patching to speedup tests
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mocker.patch("dvc.lock.DEFAULT_TIMEOUT", 0.01)
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lockfile = tmp_dir / dvc.tmp_dir / "lock"
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lock = Lock(lockfile)
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lock_ext = Lock(lockfile)
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# It's a common scenario now to have lock unlocked and locked back (e.g. in
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# repro of a stage) in with. We should see LockError exception here.
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with lock:
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lock.unlock()
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lock_ext.lock() # imitate an exernal process had time to lock it
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request.addfinalizer(lock_ext.unlock)
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with pytest.raises(LockError):
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lock.lock()
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def test_unlock_unlocked_raises():
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lock = Lock("lock")
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with pytest.raises(DvcException, match="Unlock called on an unlocked lock"):
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lock.unlock()
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def test_cli(tmp_dir, dvc, mocker, caplog):
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# patching to speedup tests
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mocker.patch("dvc.lock.DEFAULT_TIMEOUT", 0.01)
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expected_error_msg = (
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"Unable to acquire lock. Most likely another DVC process is "
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"running or was terminated abruptly. Check the page "
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"<https://dvc.org/doc/user-guide/troubleshooting#lock-issue> "
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"for other possible reasons and to learn how to resolve this."
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)
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with Lock(tmp_dir / dvc.tmp_dir / "lock"):
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assert main(["add", "foo"]) == 1
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assert expected_error_msg in caplog.text
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