mirror of
https://github.com/Stone-Red-Code/dvc.git
synced 2026-11-02 07:18:25 +01:00
331 lines
9.6 KiB
Python
331 lines
9.6 KiB
Python
import os
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import sys
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import pytest
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from git import Repo
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from dvc.scm import SCM, Git, NoSCM
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from dvc.scm.base import SCMError
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from dvc.system import System
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from tests.basic_env import TestGitSubmodule
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from tests.utils import get_gitignore_content
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def test_init_none(tmp_dir):
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assert isinstance(SCM(os.fspath(tmp_dir), no_scm=True), NoSCM)
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def test_init_git(tmp_dir):
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Repo.init(os.fspath(tmp_dir))
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assert isinstance(SCM(os.fspath(tmp_dir)), Git)
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def test_init_no_git(tmp_dir):
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with pytest.raises(SCMError):
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SCM(os.fspath(tmp_dir))
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def test_init_sub_dir(tmp_dir):
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Repo.init(os.fspath(tmp_dir))
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subdir = tmp_dir / "dir"
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subdir.mkdir()
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scm = SCM(os.fspath(subdir))
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assert scm.root_dir == os.fspath(tmp_dir)
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def test_commit(tmp_dir, scm):
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tmp_dir.gen({"foo": "foo"})
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scm.add(["foo"])
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scm.commit("add")
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assert "foo" in scm.gitpython.git.ls_files()
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def test_is_tracked(tmp_dir, scm):
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tmp_dir.gen({"foo": "foo", "тест": "проверка"})
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scm.add(["foo", "тест"])
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abs_foo = os.path.abspath("foo")
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assert scm.is_tracked(abs_foo)
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assert scm.is_tracked("foo")
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assert scm.is_tracked("тест")
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scm.commit("add")
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assert scm.is_tracked(abs_foo)
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assert scm.is_tracked("foo")
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scm.gitpython.repo.index.remove(["foo"], working_tree=True)
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assert not scm.is_tracked(abs_foo)
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assert not scm.is_tracked("foo")
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assert not scm.is_tracked("not-existing-file")
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class TestSCMGitSubmodule(TestGitSubmodule):
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def test_git_submodule(self):
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self.assertIsInstance(SCM(os.curdir), Git)
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def test_commit_in_submodule(self):
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G = Git(self._root_dir)
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G.add(["foo"])
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G.commit("add")
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self.assertTrue("foo" in self.git.git.ls_files())
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def _count_gitignore_entries(line):
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lines = get_gitignore_content()
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return lines.count(line)
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def test_ignore(tmp_dir, scm):
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foo = os.fspath(tmp_dir / "foo")
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target = "/foo"
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scm.ignore(foo)
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assert (tmp_dir / ".gitignore").is_file()
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scm._reset()
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assert _count_gitignore_entries(target) == 1
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scm.ignore(foo)
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assert (tmp_dir / ".gitignore").is_file()
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scm._reset()
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assert _count_gitignore_entries(target) == 1
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scm.ignore_remove(foo)
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assert not (tmp_dir / ".gitignore").exists()
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def test_ignored(tmp_dir, scm):
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tmp_dir.gen({"dir1": {"file1.jpg": "cont", "file2.txt": "cont"}})
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tmp_dir.gen({".gitignore": "dir1/*.jpg"})
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assert scm.is_ignored(tmp_dir / "dir1" / "file1.jpg")
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assert not scm.is_ignored(tmp_dir / "dir1" / "file2.txt")
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def test_ignored_dir_unignored_subdirs(tmp_dir, scm):
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tmp_dir.gen({".gitignore": "data/**\n!data/**/\n!data/**/*.csv"})
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scm.add([".gitignore"])
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tmp_dir.gen(
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{
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os.path.join("data", "raw", "tracked.csv"): "cont",
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os.path.join("data", "raw", "not_tracked.json"): "cont",
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}
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)
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assert not scm.is_ignored(tmp_dir / "data" / "raw" / "tracked.csv")
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assert scm.is_ignored(tmp_dir / "data" / "raw" / "not_tracked.json")
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assert not scm.is_ignored(tmp_dir / "data" / "raw" / "non_existent.csv")
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assert scm.is_ignored(tmp_dir / "data" / "raw" / "non_existent.json")
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assert not scm.is_ignored(tmp_dir / "data" / "non_existent.csv")
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assert scm.is_ignored(tmp_dir / "data" / "non_existent.json")
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assert not scm.is_ignored(f"data{os.sep}")
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# git check-ignore would now mark "data/raw" as ignored
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# after detecting it's a directory in the file system;
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# instead, we rely on the trailing separator to determine if handling a
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# a directory - for consistency between existent and non-existent paths
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assert scm.is_ignored(os.path.join("data", "raw"))
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assert not scm.is_ignored(os.path.join("data", f"raw{os.sep}"))
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assert scm.is_ignored(os.path.join("data", "non_existent"))
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assert not scm.is_ignored(os.path.join("data", f"non_existent{os.sep}"))
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def test_get_gitignore(tmp_dir, scm):
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tmp_dir.gen({"file1": "contents", "dir": {}})
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data_dir = os.fspath(tmp_dir / "file1")
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entry, gitignore = scm._get_gitignore(data_dir)
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assert entry == "/file1"
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assert gitignore == os.fspath(tmp_dir / ".gitignore")
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data_dir = os.fspath(tmp_dir / "dir")
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entry, gitignore = scm._get_gitignore(data_dir)
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assert entry == "/dir"
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assert gitignore == os.fspath(tmp_dir / ".gitignore")
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def test_get_gitignore_symlink(tmp_dir, scm):
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tmp_dir.gen({"dir": {"subdir": {"data": "contents"}}})
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link = os.fspath(tmp_dir / "link")
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target = os.fspath(tmp_dir / "dir" / "subdir" / "data")
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System.symlink(target, link)
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entry, gitignore = scm._get_gitignore(link)
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assert entry == "/link"
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assert gitignore == os.fspath(tmp_dir / ".gitignore")
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def test_get_gitignore_subdir(tmp_dir, scm):
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tmp_dir.gen({"dir1": {"file1": "cont", "dir2": {}}})
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data_dir = os.fspath(tmp_dir / "dir1" / "file1")
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entry, gitignore = scm._get_gitignore(data_dir)
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assert entry == "/file1"
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assert gitignore == os.fspath(tmp_dir / "dir1" / ".gitignore")
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data_dir = os.fspath(tmp_dir / "dir1" / "dir2")
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entry, gitignore = scm._get_gitignore(data_dir)
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assert entry == "/dir2"
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assert gitignore == os.fspath(tmp_dir / "dir1" / ".gitignore")
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def test_gitignore_should_end_with_newline(tmp_dir, scm):
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tmp_dir.gen({"foo": "foo", "bar": "bar"})
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foo = os.fspath(tmp_dir / "foo")
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bar = os.fspath(tmp_dir / "bar")
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gitignore = tmp_dir / ".gitignore"
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scm.ignore(foo)
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assert gitignore.read_text().endswith("\n")
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scm.ignore(bar)
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assert gitignore.read_text().endswith("\n")
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def test_gitignore_should_append_newline_to_gitignore(tmp_dir, scm):
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tmp_dir.gen({"foo": "foo", "bar": "bar"})
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bar_path = os.fspath(tmp_dir / "bar")
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gitignore = tmp_dir / ".gitignore"
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gitignore.write_text("/foo")
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assert not gitignore.read_text().endswith("\n")
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scm.ignore(bar_path)
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contents = gitignore.read_text()
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assert gitignore.read_text().endswith("\n")
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assert contents.splitlines() == ["/foo", "/bar"]
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def test_git_detach_head(tmp_dir, scm):
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tmp_dir.scm_gen({"file": "0"}, commit="init")
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init_rev = scm.get_rev()
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with scm.detach_head() as rev:
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assert init_rev == rev
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assert init_rev == (tmp_dir / ".git" / "HEAD").read_text().strip()
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assert (
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"ref: refs/heads/master"
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== (tmp_dir / ".git" / "HEAD").read_text().strip()
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)
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def test_git_stash_workspace(tmp_dir, scm):
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tmp_dir.scm_gen({"file": "0"}, commit="init")
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tmp_dir.gen("file", "1")
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with scm.stash_workspace():
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assert not scm.is_dirty()
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assert "0" == (tmp_dir / "file").read_text()
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assert scm.is_dirty()
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assert "1" == (tmp_dir / "file").read_text()
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@pytest.mark.parametrize(
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"ref, include_untracked",
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[
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(None, True),
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(None, False),
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("refs/foo/stash", True),
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("refs/foo/stash", False),
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],
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)
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def test_git_stash_push(tmp_dir, scm, ref, include_untracked):
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from dvc.scm.git import Stash
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tmp_dir.scm_gen({"file": "0"}, commit="init")
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tmp_dir.gen({"file": "1", "untracked": "0"})
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stash = Stash(scm, ref=ref)
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rev = stash.push(include_untracked=include_untracked)
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assert rev == scm.get_ref(stash.ref)
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assert "0" == (tmp_dir / "file").read_text()
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assert include_untracked != (tmp_dir / "untracked").exists()
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assert len(stash) == 1
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stash.apply(rev)
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assert "1" == (tmp_dir / "file").read_text()
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assert "0" == (tmp_dir / "untracked").read_text()
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parts = list(stash.ref.split("/"))
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assert os.path.exists(os.path.join(os.fspath(tmp_dir), ".git", *parts))
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assert os.path.exists(
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os.path.join(os.fspath(tmp_dir), ".git", "logs", *parts)
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)
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@pytest.mark.parametrize("ref", [None, "refs/foo/stash"])
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def test_git_stash_drop(tmp_dir, scm, ref):
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from dvc.scm.git import Stash
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tmp_dir.scm_gen({"file": "0"}, commit="init")
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tmp_dir.gen("file", "1")
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stash = Stash(scm, ref=ref)
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stash.push()
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tmp_dir.gen("file", "2")
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expected = stash.push()
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stash.drop(1)
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assert expected == scm.get_ref(stash.ref)
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assert len(stash) == 1
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reason = """libgit2 stash_save() is flaky on linux when run inside pytest
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https://github.com/iterative/dvc/pull/5286#issuecomment-792574294"""
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@pytest.mark.parametrize(
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"ref",
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[
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pytest.param(
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None,
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marks=pytest.mark.xfail(
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sys.platform == "linux", raises=AssertionError, reason=reason
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),
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),
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"refs/foo/stash",
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],
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)
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def test_git_stash_pop(tmp_dir, scm, ref):
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from dvc.scm.git import Stash
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tmp_dir.scm_gen({"file": "0"}, commit="init")
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tmp_dir.gen("file", "1")
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stash = Stash(scm, ref=ref)
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first = stash.push()
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tmp_dir.gen("file", "2")
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second = stash.push()
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assert second == stash.pop()
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assert len(stash) == 1
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assert first == scm.get_ref(stash.ref)
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assert "2" == (tmp_dir / "file").read_text()
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@pytest.mark.parametrize("ref", [None, "refs/foo/stash"])
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def test_git_stash_clear(tmp_dir, scm, ref):
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from dvc.scm.git import Stash
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tmp_dir.scm_gen({"file": "0"}, commit="init")
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tmp_dir.gen("file", "1")
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stash = Stash(scm, ref=ref)
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stash.push()
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tmp_dir.gen("file", "2")
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stash.push()
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stash.clear()
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assert len(stash) == 0
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parts = list(stash.ref.split("/"))
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assert not os.path.exists(os.path.join(os.fspath(tmp_dir), ".git", *parts))
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# NOTE: some backends will completely remove reflog file on clear, some
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# will only truncate it, either case means an empty stash
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log_path = os.path.join(os.fspath(tmp_dir), ".git", "logs", *parts)
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assert not os.path.exists(log_path) or not open(log_path).read()
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