Files
dvc/tests/func/remote/test_index.py
T
2020-04-26 20:55:00 +03:00

104 lines
3.5 KiB
Python

import pytest
from dvc.compat import fspath
from dvc.exceptions import DownloadError, UploadError
from dvc.remote.base import BaseRemote
from dvc.remote.index import RemoteIndex
from dvc.remote.local import LocalRemote
from dvc.utils.fs import remove
@pytest.fixture(scope="function")
def remote(tmp_dir, dvc, tmp_path_factory, mocker):
url = fspath(tmp_path_factory.mktemp("upstream"))
dvc.config["remote"]["upstream"] = {"url": url}
dvc.config["core"]["remote"] = "upstream"
# patch cache_exists since the RemoteLOCAL normally overrides
# RemoteBASE.cache_exists.
def cache_exists(self, *args, **kwargs):
return BaseRemote.cache_exists(self, *args, **kwargs)
mocker.patch.object(LocalRemote, "cache_exists", cache_exists)
# patch index class since RemoteLOCAL normally overrides index class
mocker.patch.object(LocalRemote, "INDEX_CLS", RemoteIndex)
return dvc.cloud.get_remote("upstream")
def test_indexed_on_status(tmp_dir, dvc, tmp_path_factory, remote):
foo = tmp_dir.dvc_gen({"foo": "foo content"})[0].outs[0]
bar = tmp_dir.dvc_gen({"bar": {"baz": "baz content"}})[0].outs[0]
baz = bar.dir_cache[0]
dvc.push()
with remote.index:
remote.index.clear()
dvc.status(cloud=True)
with remote.index:
assert {bar.checksum, baz["md5"]} == set(remote.index.checksums())
assert [bar.checksum] == list(remote.index.dir_checksums())
assert foo.checksum not in remote.index.checksums()
def test_indexed_on_push(tmp_dir, dvc, tmp_path_factory, remote):
foo = tmp_dir.dvc_gen({"foo": "foo content"})[0].outs[0]
bar = tmp_dir.dvc_gen({"bar": {"baz": "baz content"}})[0].outs[0]
baz = bar.dir_cache[0]
dvc.push()
with remote.index:
assert {bar.checksum, baz["md5"]} == set(remote.index.checksums())
assert [bar.checksum] == list(remote.index.dir_checksums())
assert foo.checksum not in remote.index.checksums()
def test_indexed_dir_missing(tmp_dir, dvc, tmp_path_factory, remote):
bar = tmp_dir.dvc_gen({"bar": {"baz": "baz content"}})[0].outs[0]
with remote.index:
remote.index.update([bar.checksum], [])
dvc.status(cloud=True)
with remote.index:
assert not list(remote.index.checksums())
def test_clear_on_gc(tmp_dir, dvc, tmp_path_factory, remote, mocker):
(foo,) = tmp_dir.dvc_gen({"foo": "foo content"})
dvc.push()
dvc.remove(foo.relpath)
mocked_clear = mocker.patch.object(remote.INDEX_CLS, "clear")
dvc.gc(workspace=True, cloud=True)
mocked_clear.assert_called_with()
def test_clear_on_download_err(tmp_dir, dvc, tmp_path_factory, remote, mocker):
tmp_dir.dvc_gen({"foo": "foo content"})
dvc.push()
remove(dvc.cache.local.cache_dir)
mocked_clear = mocker.patch.object(remote.INDEX_CLS, "clear")
mocker.patch.object(LocalRemote, "_download", side_effect=Exception)
with pytest.raises(DownloadError):
dvc.pull()
mocked_clear.assert_called_once_with()
def test_partial_upload(tmp_dir, dvc, tmp_path_factory, remote, mocker):
tmp_dir.dvc_gen({"foo": "foo content"})
tmp_dir.dvc_gen({"bar": {"baz": "baz content"}})
original = LocalRemote._upload
def unreliable_upload(self, from_file, to_info, name=None, **kwargs):
if "baz" in name:
raise Exception("stop baz")
return original(self, from_file, to_info, name, **kwargs)
mocker.patch.object(LocalRemote, "_upload", unreliable_upload)
with pytest.raises(UploadError):
dvc.push()
with remote.index:
assert not list(remote.index.checksums())