mirror of
https://github.com/Stone-Red-Code/dvc.git
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Ruslan Kuprieiev
51a8c782ae
* tests: use remote fixtures * tests: use remote fixtures for data cloud tests * tests: treat remotes as tmp dirs
124 lines
3.6 KiB
Python
124 lines
3.6 KiB
Python
import os
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from mock import patch
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from dvc.external_repo import external_repo
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from dvc.path_info import PathInfo
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from dvc.remote.local import LocalRemoteTree
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from dvc.scm.git import Git
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from dvc.utils import relpath
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from dvc.utils.fs import remove
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def test_external_repo(erepo_dir):
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with erepo_dir.chdir():
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with erepo_dir.branch("branch", new=True):
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erepo_dir.dvc_gen("file", "branch", commit="create file on branch")
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erepo_dir.dvc_gen("file", "master", commit="create file on master")
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url = os.fspath(erepo_dir)
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with patch.object(Git, "clone", wraps=Git.clone) as mock:
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with external_repo(url) as repo:
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with repo.open_by_relpath("file") as fd:
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assert fd.read() == "master"
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with external_repo(url, rev="branch") as repo:
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with repo.open_by_relpath("file") as fd:
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assert fd.read() == "branch"
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assert mock.call_count == 1
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def test_source_change(erepo_dir):
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url = os.fspath(erepo_dir)
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with external_repo(url) as repo:
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old_rev = repo.scm.get_rev()
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erepo_dir.scm_gen("file", "text", commit="a change")
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with external_repo(url) as repo:
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new_rev = repo.scm.get_rev()
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assert old_rev != new_rev
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def test_cache_reused(erepo_dir, mocker, local_cloud):
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erepo_dir.add_remote(config=local_cloud.config)
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with erepo_dir.chdir():
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erepo_dir.dvc_gen("file", "text", commit="add file")
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erepo_dir.dvc.push()
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download_spy = mocker.spy(LocalRemoteTree, "download")
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# Use URL to prevent any fishy optimizations
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url = f"file://{erepo_dir}"
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with external_repo(url) as repo:
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repo.fetch()
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assert download_spy.mock.call_count == 1
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# Should not download second time
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erepo_dir.scm.branch("branch")
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with external_repo(url, "branch") as repo:
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repo.fetch()
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assert download_spy.mock.call_count == 1
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def test_known_sha(erepo_dir):
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erepo_dir.scm.commit("init")
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url = f"file://{erepo_dir}"
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with external_repo(url) as repo:
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rev = repo.scm.get_rev()
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prev_rev = repo.scm.resolve_rev("HEAD^")
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# Hits cache
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with external_repo(url, rev) as repo:
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pass
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# No clone, no pull, copies a repo, checks out the known sha
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with external_repo(url, prev_rev) as repo:
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pass
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def test_pull_subdir_file(tmp_dir, erepo_dir):
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with erepo_dir.chdir():
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subdir = erepo_dir / "subdir"
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subdir.mkdir()
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(subdir / "file").write_text("contents")
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erepo_dir.dvc_add(subdir / "file", commit="create file")
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dest = tmp_dir / "file"
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with external_repo(os.fspath(erepo_dir)) as repo:
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_, _, save_infos = repo.fetch_external(
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[os.path.join("subdir", "file")]
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)
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repo.cache.local.checkout(PathInfo(dest), save_infos[0])
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assert dest.is_file()
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assert dest.read_text() == "contents"
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def test_relative_remote(erepo_dir, tmp_dir):
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# these steps reproduce the script on this issue:
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# https://github.com/iterative/dvc/issues/2756
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with erepo_dir.chdir():
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erepo_dir.dvc_gen("file", "contents", commit="create file")
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upstream_dir = tmp_dir
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upstream_url = relpath(upstream_dir, erepo_dir)
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erepo_dir.add_remote(url=upstream_url)
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erepo_dir.dvc.push()
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(erepo_dir / "file").unlink()
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remove(erepo_dir.dvc.cache.local.cache_dir)
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url = os.fspath(erepo_dir)
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with external_repo(url) as repo:
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assert os.path.isabs(repo.config["remote"]["upstream"]["url"])
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assert os.path.isdir(repo.config["remote"]["upstream"]["url"])
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with repo.open_by_relpath("file") as fd:
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assert fd.read() == "contents"
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