mirror of
https://github.com/Stone-Red-Code/dvc.git
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215 lines
6.8 KiB
Python
215 lines
6.8 KiB
Python
import logging
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import os
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import pytest
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from dvc.cache import Cache
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from dvc.config import Config
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from dvc.main import main
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from dvc.repo.get import GetDVCFileError, PathMissingError
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from dvc.repo import Repo
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from dvc.system import System
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from dvc.utils.fs import makedirs
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from dvc.compat import fspath
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from tests.utils import trees_equal
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def test_get_repo_file(tmp_dir, erepo_dir):
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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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Repo.get(fspath(erepo_dir), "file", "file_imported")
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assert os.path.isfile("file_imported")
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assert (tmp_dir / "file_imported").read_text() == "contents"
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def test_get_repo_dir(tmp_dir, erepo_dir):
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with erepo_dir.chdir():
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erepo_dir.dvc_gen({"dir": {"file": "contents"}}, commit="create dir")
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Repo.get(fspath(erepo_dir), "dir", "dir_imported")
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assert os.path.isdir("dir_imported")
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trees_equal(fspath(erepo_dir / "dir"), "dir_imported")
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def test_get_git_file(tmp_dir, erepo_dir):
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src = "some_file"
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dst = "some_file_imported"
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erepo_dir.scm_gen({src: "hello"}, commit="add a regular file")
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Repo.get(fspath(erepo_dir), src, dst)
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assert (tmp_dir / dst).is_file()
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assert (tmp_dir / dst).read_text() == "hello"
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def test_get_git_dir(tmp_dir, erepo_dir):
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src = "some_directory"
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dst = "some_directory_imported"
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erepo_dir.scm_gen({src: {"file.txt": "hello"}}, commit="add a regular dir")
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Repo.get(fspath(erepo_dir), src, dst)
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assert (tmp_dir / dst).is_dir()
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trees_equal(fspath(erepo_dir / src), fspath(tmp_dir / dst))
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def test_cache_type_is_properly_overridden(tmp_dir, erepo_dir):
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with erepo_dir.chdir():
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erepo_dir.dvc.config.set(
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Config.SECTION_CACHE, Config.SECTION_CACHE_TYPE, "symlink"
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)
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erepo_dir.dvc.cache = Cache(erepo_dir.dvc)
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erepo_dir.scm_add(
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[erepo_dir.dvc.config.config_file], "set cache type to symlinks"
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)
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erepo_dir.dvc_gen("file", "contents", "create file")
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assert System.is_symlink(erepo_dir / "file")
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Repo.get(fspath(erepo_dir), "file", "file_imported")
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assert not System.is_symlink("file_imported")
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assert (tmp_dir / "file_imported").read_text() == "contents"
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def test_get_repo_rev(tmp_dir, erepo_dir):
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with erepo_dir.chdir(), erepo_dir.branch("branch", new=True):
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erepo_dir.dvc_gen("file", "contents", commit="create file on branch")
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Repo.get(fspath(erepo_dir), "file", "file_imported", rev="branch")
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assert (tmp_dir / "file_imported").read_text() == "contents"
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def test_get_from_non_dvc_repo(tmp_dir, erepo_dir):
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erepo_dir.scm.repo.index.remove([erepo_dir.dvc.dvc_dir], r=True)
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erepo_dir.scm.commit("remove dvc")
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erepo_dir.scm_gen({"some_file": "contents"}, commit="create file")
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Repo.get(fspath(erepo_dir), "some_file", "file_imported")
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assert (tmp_dir / "file_imported").read_text() == "contents"
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def test_get_a_dvc_file(tmp_dir, erepo_dir):
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with pytest.raises(GetDVCFileError):
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Repo.get(fspath(erepo_dir), "some_file.dvc")
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# https://github.com/iterative/dvc/pull/2837#discussion_r352123053
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def test_get_full_dvc_path(tmp_dir, erepo_dir, tmp_path_factory):
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path = tmp_path_factory.mktemp("ext")
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external_data = path / "ext_data"
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external_data.write_text("ext_data")
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with erepo_dir.chdir():
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erepo_dir.dvc.add(fspath(external_data))
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erepo_dir.scm_add(["ext_data.dvc"], commit="add external data")
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Repo.get(fspath(erepo_dir), fspath(external_data), "ext_data_imported")
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assert (tmp_dir / "ext_data_imported").is_file()
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assert (tmp_dir / "ext_data_imported").read_text() == "ext_data"
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def test_non_cached_output(tmp_dir, erepo_dir):
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src = "non_cached_file"
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dst = src + "_imported"
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with erepo_dir.chdir():
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erepo_dir.dvc.run(
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outs_no_cache=[src], cmd="echo hello > non_cached_file"
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)
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erepo_dir.scm.add([src, src + ".dvc"])
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erepo_dir.scm.commit("add non-cached output")
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Repo.get(fspath(erepo_dir), src, dst)
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assert (tmp_dir / dst).is_file()
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# NOTE: using strip() to account for `echo` differences on win and *nix
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assert (tmp_dir / dst).read_text().strip() == "hello"
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# https://github.com/iterative/dvc/pull/2837#discussion_r352123053
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def test_absolute_file_outside_repo(tmp_dir, erepo_dir):
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with pytest.raises(PathMissingError):
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Repo.get(fspath(erepo_dir), "/root/")
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def test_absolute_file_outside_git_repo(tmp_dir, erepo_dir):
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erepo_dir.scm.repo.index.remove([erepo_dir.dvc.dvc_dir], r=True)
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erepo_dir.scm.commit("remove dvc")
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with pytest.raises(PathMissingError):
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Repo.get(fspath(erepo_dir), "/root/")
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def test_unknown_path(tmp_dir, erepo_dir):
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with pytest.raises(PathMissingError):
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Repo.get(fspath(erepo_dir), "a_non_existing_file")
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@pytest.mark.parametrize("dname", [".", "dir", "dir/subdir"])
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def test_get_to_dir(tmp_dir, erepo_dir, dname):
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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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makedirs(dname, exist_ok=True)
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Repo.get(fspath(erepo_dir), "file", dname)
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assert (tmp_dir / dname).is_dir()
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assert (tmp_dir / dname / "file").read_text() == "contents"
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def test_get_from_non_dvc_master(tmp_dir, erepo_dir, caplog):
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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.scm_gen(
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{"some_file": "some_contents"}, commit="create some file"
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)
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erepo_dir.dvc.scm.repo.index.remove([".dvc"], r=True)
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erepo_dir.dvc.scm.commit("remove .dvc")
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caplog.clear()
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dst = "file_imported"
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# removing `git` import in conftest resulted in unexpected logs from
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# that package, see https://github.com/iterative/dvc/issues/3167
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with caplog.at_level(logging.INFO, logger="git"), caplog.at_level(
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logging.INFO, logger="dvc"
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):
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Repo.get(fspath(erepo_dir), "some_file", out=dst, rev="branch")
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assert caplog.text == ""
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assert (tmp_dir / dst).read_text() == "some_contents"
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def test_get_url_positive(tmp_dir, erepo_dir, caplog):
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with erepo_dir.chdir():
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erepo_dir.dvc_gen("foo", "foo")
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caplog.clear()
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with caplog.at_level(logging.ERROR, logger="dvc"):
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assert main(["get", fspath(erepo_dir), "foo", "--show-url"]) == 0
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assert caplog.text == ""
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def test_get_url_not_existing(tmp_dir, erepo_dir, caplog):
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with caplog.at_level(logging.ERROR, logger="dvc"):
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assert (
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main(["get", fspath(erepo_dir), "not-existing-file", "--show-url"])
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== 1
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)
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assert "failed to show url for 'not-existing-file'" in caplog.text
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def test_get_url_git_only_repo(tmp_dir, scm, caplog):
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tmp_dir.scm_gen({"foo": "foo"}, commit="initial")
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with caplog.at_level(logging.ERROR):
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assert main(["get", fspath(tmp_dir), "foo", "--show-url"]) == 1
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assert "Only DVC repository is supported currently" in caplog.text
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