Files
dvc/tests/func/test_external_repo.py
T

35 lines
1.2 KiB
Python

import os
from mock import patch
from dvc.external_repo import external_repo
from dvc.scm.git import Git
from dvc.compat import fspath
from dvc.utils.fs import path_isin
def test_external_repo(erepo_dir):
with erepo_dir.chdir():
with erepo_dir.branch("branch", new=True):
erepo_dir.dvc_gen("file", "branch", commit="create file on branch")
erepo_dir.dvc_gen("file", "master", commit="create file on master")
url = fspath(erepo_dir)
# We will share cache dir, to fetch version file
cache_dir = erepo_dir.dvc.cache.local.cache_dir
with patch.object(Git, "clone", wraps=Git.clone) as mock:
with external_repo(url, cache_dir=cache_dir) as repo:
with repo.open(os.path.join(repo.root_dir, "file")) as fd:
assert fd.read() == "master"
with external_repo(url, rev="branch", cache_dir=cache_dir) as repo:
with repo.open(os.path.join(repo.root_dir, "file")) as fd:
assert fd.read() == "branch"
# Check cache_dir is unset
with external_repo(url) as repo:
assert path_isin(repo.cache.local.cache_dir, repo.root_dir)
assert mock.call_count == 1