def test_meta_is_preserved(tmp_dir, dvc):
(stage, ) = tmp_dir.dvc_gen("foo", "foo content")
# Add meta to DVC-file
data = load_stage_file(stage.path)
data["meta"] = {"custom_key": 42}
dump_stage_file(stage.path, data)
# Loading and dumping to test that it works and meta is retained
dvcfile = Dvcfile(dvc, stage.path)
new_stage = dvcfile.load()
dvcfile.dump(new_stage)
new_data = load_stage_file(stage.path)
assert new_data["meta"] == data["meta"]
def test(self):
stages = self.dvc.add(self.FOO)
self.assertEqual(len(stages), 1)
stage = stages[0]
self.assertTrue(stage is not None)
d = load_stage_file(stage.relpath)
# NOTE: checking that reloaded stage didn't change its checksum
md5 = "11111111111111111111111111111111"
d[stage.PARAM_MD5] = md5
dump_stage_file(stage.relpath, d)
dvcfile = Dvcfile(self.dvc, stage.relpath)
stage = dvcfile.load()
self.assertTrue(stage is not None)
dvcfile.dump(stage)
d = load_stage_file(stage.relpath)
self.assertEqual(d[stage.PARAM_MD5], md5)
