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49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
import os
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import stat
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import time
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from dvc.system import System
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from dvc.state import State, StateEntry
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from dvc.utils import file_md5
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from tests.basic_env import TestDvc
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class TestState(TestDvc):
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def test_update(self):
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path = os.path.join(self.dvc.root_dir, self.FOO)
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md5 = file_md5(path)[0]
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mtime = os.path.getmtime(path)
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inode = System.inode(path)
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state = State(self.dvc.root_dir, self.dvc.dvc_dir)
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state.update(path)
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entry = state.get(path)
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self.assertIsInstance(entry, StateEntry)
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self.assertEqual(entry.md5, md5)
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self.assertEqual(entry.mtime, mtime)
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self.assertEqual(entry.inode, inode)
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# Sleep some time to simulate realistic behavior.
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# Some filesystems have a bad date resolution for
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# mtime(i.e. 1sec for HFS) that cause problems with
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# our 'state' system not being able to distinguish
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# files that were modified within that delta.
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time.sleep(1)
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os.chmod(path, stat.S_IWRITE)
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os.unlink(path)
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with open(path, 'w+') as fd:
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fd.write('1')
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md5 = file_md5(path)[0]
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mtime = os.path.getmtime(path)
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inode = System.inode(path)
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entry = state.update(path)
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self.assertIsInstance(entry, StateEntry)
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self.assertEqual(entry.md5, md5)
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self.assertEqual(entry.mtime, mtime)
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self.assertEqual(entry.inode, inode)
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