mirror of
https://github.com/Stone-Red-Code/dvc.git
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416 lines
12 KiB
Python
416 lines
12 KiB
Python
import io
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import os
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from operator import itemgetter
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from os.path import join
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import pytest
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from dvc.fs import get_cloud_fs
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from dvc.fs.local import LocalFileSystem
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from dvc.path_info import PathInfo
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from dvc.repo import Repo
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from dvc.scm import SCM
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from tests.basic_env import TestDir, TestGit, TestGitSubmodule
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class TestLocalFileSystem(TestDir):
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def setUp(self):
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super().setUp()
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self.fs = LocalFileSystem()
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def test_open(self):
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with self.fs.open(self.FOO) as fd:
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self.assertEqual(fd.read(), self.FOO_CONTENTS)
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with self.fs.open(self.UNICODE, encoding="utf-8") as fd:
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self.assertEqual(fd.read(), self.UNICODE_CONTENTS)
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def test_exists(self):
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self.assertTrue(self.fs.exists(self.FOO))
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self.assertTrue(self.fs.exists(self.UNICODE))
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self.assertFalse(self.fs.exists("not-existing-file"))
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def test_isdir(self):
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self.assertTrue(self.fs.isdir(self.DATA_DIR))
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self.assertFalse(self.fs.isdir(self.FOO))
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self.assertFalse(self.fs.isdir("not-existing-file"))
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def test_isfile(self):
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self.assertTrue(self.fs.isfile(self.FOO))
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self.assertFalse(self.fs.isfile(self.DATA_DIR))
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self.assertFalse(self.fs.isfile("not-existing-file"))
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class GitFileSystemTests:
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# pylint: disable=no-member
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def test_open(self):
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self.scm.add([self.FOO, self.UNICODE, self.DATA_DIR])
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self.scm.commit("add")
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fs = self.scm.get_fs("master")
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with fs.open(self.FOO) as fd:
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self.assertEqual(fd.read(), self.FOO_CONTENTS)
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with fs.open(self.UNICODE) as fd:
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self.assertEqual(fd.read(), self.UNICODE_CONTENTS)
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with self.assertRaises(IOError):
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fs.open("not-existing-file")
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with self.assertRaises(IOError):
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fs.open(self.DATA_DIR)
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def test_exists(self):
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fs = self.scm.get_fs("master")
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self.assertFalse(fs.exists(self.FOO))
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self.assertFalse(fs.exists(self.UNICODE))
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self.assertFalse(fs.exists(self.DATA_DIR))
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self.scm.add([self.FOO, self.UNICODE, self.DATA])
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self.scm.commit("add")
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fs = self.scm.get_fs("master")
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self.assertTrue(fs.exists(self.FOO))
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self.assertTrue(fs.exists(self.UNICODE))
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self.assertTrue(fs.exists(self.DATA_DIR))
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self.assertFalse(fs.exists("non-existing-file"))
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def test_isdir(self):
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self.scm.add([self.FOO, self.DATA_DIR])
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self.scm.commit("add")
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fs = self.scm.get_fs("master")
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self.assertTrue(fs.isdir(self.DATA_DIR))
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self.assertFalse(fs.isdir(self.FOO))
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self.assertFalse(fs.isdir("non-existing-file"))
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def test_isfile(self):
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self.scm.add([self.FOO, self.DATA_DIR])
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self.scm.commit("add")
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fs = self.scm.get_fs("master")
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self.assertTrue(fs.isfile(self.FOO))
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self.assertFalse(fs.isfile(self.DATA_DIR))
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self.assertFalse(fs.isfile("not-existing-file"))
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class TestGitFileSystem(TestGit, GitFileSystemTests):
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def setUp(self):
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super().setUp()
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self.scm = SCM(self._root_dir)
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class TestGitSubmoduleFileSystem(TestGitSubmodule, GitFileSystemTests):
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def setUp(self):
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super().setUp()
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self.scm = SCM(self._root_dir)
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self._pushd(self._root_dir)
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class AssertWalkEqualMixin:
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def assertWalkEqual(self, actual, expected, msg=None):
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def convert_to_sets(walk_results):
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return [
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(root, set(dirs), set(nondirs))
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for root, dirs, nondirs in walk_results
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]
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self.assertEqual(
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convert_to_sets(actual), convert_to_sets(expected), msg=msg
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)
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class TestWalkInNoSCM(AssertWalkEqualMixin, TestDir):
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def test(self):
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fs = LocalFileSystem()
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self.assertWalkEqual(
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fs.walk(self._root_dir),
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[
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(
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self._root_dir,
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["data_dir"],
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["code.py", "bar", "тест", "foo"],
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),
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(join(self._root_dir, "data_dir"), ["data_sub_dir"], ["data"]),
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(
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join(self._root_dir, "data_dir", "data_sub_dir"),
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[],
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["data_sub"],
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),
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],
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)
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def test_subdir(self):
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fs = LocalFileSystem()
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self.assertWalkEqual(
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fs.walk(join("data_dir", "data_sub_dir")),
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[(join("data_dir", "data_sub_dir"), [], ["data_sub"])],
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)
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class TestWalkInGit(AssertWalkEqualMixin, TestGit):
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def test_nobranch(self):
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fs = LocalFileSystem(url=self._root_dir)
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walk_result = []
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for root, dirs, files in fs.walk("."):
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dirs[:] = [i for i in dirs if i != ".git"]
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walk_result.append((root, dirs, files))
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self.assertWalkEqual(
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walk_result,
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[
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(".", ["data_dir"], ["bar", "тест", "code.py", "foo"]),
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(join("data_dir"), ["data_sub_dir"], ["data"]),
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(join("data_dir", "data_sub_dir"), [], ["data_sub"]),
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],
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)
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self.assertWalkEqual(
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fs.walk(join("data_dir", "data_sub_dir")),
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[(join("data_dir", "data_sub_dir"), [], ["data_sub"])],
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)
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def test_branch(self):
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scm = SCM(self._root_dir)
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scm.add([self.DATA_SUB_DIR])
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scm.commit("add data_dir/data_sub_dir/data_sub")
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fs = scm.get_fs("master")
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self.assertWalkEqual(
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fs.walk("."),
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[
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(self._root_dir, ["data_dir"], ["code.py"]),
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(join(self._root_dir, "data_dir"), ["data_sub_dir"], []),
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(
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join(self._root_dir, "data_dir", "data_sub_dir"),
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[],
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["data_sub"],
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),
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],
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)
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self.assertWalkEqual(
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fs.walk(join("data_dir", "data_sub_dir")),
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[
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(
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join(self._root_dir, "data_dir", "data_sub_dir"),
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[],
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["data_sub"],
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)
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],
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)
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def test_cleanfs_subrepo(tmp_dir, dvc, scm, monkeypatch):
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tmp_dir.gen({"subdir": {}})
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subrepo_dir = tmp_dir / "subdir"
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with subrepo_dir.chdir():
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subrepo = Repo.init(subdir=True)
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subrepo_dir.gen({"foo": "foo", "dir": {"bar": "bar"}})
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path = PathInfo(subrepo_dir)
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assert dvc.fs.exists(path / "foo")
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assert dvc.fs.isfile(path / "foo")
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assert dvc.fs.exists(path / "dir")
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assert dvc.fs.isdir(path / "dir")
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assert subrepo.fs.exists(path / "foo")
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assert subrepo.fs.isfile(path / "foo")
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assert subrepo.fs.exists(path / "dir")
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assert subrepo.fs.isdir(path / "dir")
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def test_walk_dont_ignore_subrepos(tmp_dir, scm, dvc):
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tmp_dir.dvc_gen({"foo": "foo"}, commit="add foo")
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subrepo_dir = tmp_dir / "subdir"
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subrepo_dir.mkdir()
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with subrepo_dir.chdir():
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Repo.init(subdir=True)
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scm.add(["subdir"])
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scm.commit("Add subrepo")
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dvc_fs = dvc.fs
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dvc._reset()
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scm_fs = scm.get_fs("HEAD")
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path = os.fspath(tmp_dir)
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get_dirs = itemgetter(1)
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assert set(get_dirs(next(dvc_fs.walk(path)))) == {".dvc", "subdir", ".git"}
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assert set(get_dirs(next(scm_fs.walk(path)))) == {".dvc", "subdir"}
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@pytest.mark.parametrize(
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"cloud",
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[
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pytest.lazy_fixture("local_cloud"),
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pytest.lazy_fixture("s3"),
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pytest.param(
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pytest.lazy_fixture("gs"), marks=pytest.mark.needs_internet
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),
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pytest.lazy_fixture("hdfs"),
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pytest.lazy_fixture("http"),
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],
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)
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def test_fs_getsize(dvc, cloud):
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cloud.gen({"data": {"foo": "foo"}, "baz": "baz baz"})
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cls, config, path_info = get_cloud_fs(dvc, **cloud.config)
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fs = cls(**config)
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assert fs.getsize(path_info / "baz") == 7
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assert fs.getsize(path_info / "data" / "foo") == 3
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@pytest.mark.needs_internet
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@pytest.mark.parametrize(
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"cloud",
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[
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pytest.lazy_fixture("azure"),
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pytest.lazy_fixture("gs"),
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pytest.lazy_fixture("gdrive"),
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pytest.lazy_fixture("hdfs"),
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pytest.lazy_fixture("local_cloud"),
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pytest.lazy_fixture("oss"),
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pytest.lazy_fixture("s3"),
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pytest.lazy_fixture("ssh"),
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pytest.lazy_fixture("webhdfs"),
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],
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)
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def test_fs_upload_fobj(dvc, tmp_dir, cloud):
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tmp_dir.gen("foo", "foo")
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cls, config, path_info = get_cloud_fs(dvc, **cloud.config)
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fs = cls(**config)
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from_info = tmp_dir / "foo"
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to_info = path_info / "foo"
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with open(from_info, "rb") as stream:
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fs.upload_fobj(stream, to_info)
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assert fs.exists(to_info)
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with fs.open(to_info, "rb") as stream:
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assert stream.read() == b"foo"
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@pytest.mark.needs_internet
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@pytest.mark.parametrize("cloud", [pytest.lazy_fixture("gdrive")])
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def test_fs_ls(dvc, cloud):
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cloud.gen(
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{
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"directory": {
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"foo": "foo",
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"bar": "bar",
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"baz": {"quux": "quux", "egg": {"foo": "foo"}},
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"empty": {},
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}
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}
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)
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cls, config, path_info = get_cloud_fs(dvc, **cloud.config)
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fs = cls(**config)
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path_info /= "directory"
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assert {
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os.path.basename(file_key.rstrip("/")) for file_key in fs.ls(path_info)
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} == {
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"foo",
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"bar",
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"baz",
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"empty",
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}
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assert set(fs.ls(path_info / "empty")) == set()
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assert {
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(detail["type"], os.path.basename(detail["name"].rstrip("/")))
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for detail in fs.ls(path_info / "baz", detail=True)
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} == {("file", "quux"), ("directory", "egg")}
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@pytest.mark.needs_internet
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@pytest.mark.parametrize(
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"cloud",
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[
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pytest.lazy_fixture("s3"),
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pytest.lazy_fixture("azure"),
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pytest.lazy_fixture("gs"),
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pytest.lazy_fixture("webdav"),
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pytest.lazy_fixture("gdrive"),
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],
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)
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def test_fs_find(dvc, cloud):
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cloud.gen({"data": {"foo": "foo", "bar": {"baz": "baz"}, "quux": "quux"}})
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cls, config, path_info = get_cloud_fs(dvc, **cloud.config)
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fs = cls(**config)
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assert {
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os.path.basename(file_key) for file_key in fs.find(path_info / "data")
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} == {"foo", "baz", "quux"}
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assert {
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os.path.basename(file_info["name"])
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for file_info in fs.find(path_info / "data", detail=True)
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} == {"foo", "baz", "quux"}
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@pytest.mark.parametrize(
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"cloud",
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[
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pytest.lazy_fixture("s3"),
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pytest.lazy_fixture("azure"),
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pytest.param(
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pytest.lazy_fixture("gs"), marks=pytest.mark.needs_internet
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),
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pytest.lazy_fixture("webdav"),
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],
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)
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def test_fs_find_with_etag(dvc, cloud):
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cloud.gen({"data": {"foo": "foo", "bar": {"baz": "baz"}, "quux": "quux"}})
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cls, config, path_info = get_cloud_fs(dvc, **cloud.config)
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fs = cls(**config)
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for details in fs.find(path_info / "data", detail=True):
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assert (
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fs.info(path_info.replace(path=details["name"]))["etag"]
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== details["etag"]
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)
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@pytest.mark.parametrize(
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"cloud",
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[
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pytest.lazy_fixture("azure"),
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pytest.param(
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pytest.lazy_fixture("gs"), marks=pytest.mark.needs_internet
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),
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],
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)
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def test_fs_fsspec_path_management(dvc, cloud):
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cloud.gen({"foo": "foo", "data": {"bar": "bar", "baz": {"foo": "foo"}}})
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cls, config, _ = get_cloud_fs(dvc, **cloud.config)
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fs = cls(**config)
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root = cloud.parents[len(cloud.parents) - 1]
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bucket_details = fs.info(root)
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# special conditions: name always points to the bucket name
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assert bucket_details["name"] == root.bucket
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assert bucket_details["type"] == "directory"
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data = cloud / "data"
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data_details = fs.info(data)
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assert data_details["name"].rstrip("/") == data.path
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assert data_details["type"] == "directory"
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@pytest.mark.needs_internet
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@pytest.mark.parametrize(
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"cloud",
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[
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pytest.lazy_fixture("azure"),
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pytest.lazy_fixture("gs"),
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pytest.lazy_fixture("s3"),
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pytest.lazy_fixture("webdav"),
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],
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)
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def test_fs_makedirs_on_upload_and_copy(dvc, cloud):
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cls, config, _ = get_cloud_fs(dvc, **cloud.config)
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fs = cls(**config)
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with io.BytesIO(b"foo") as stream:
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fs.upload(stream, cloud / "dir" / "foo")
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assert fs.isdir(cloud / "dir")
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assert fs.exists(cloud / "dir" / "foo")
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fs.copy(cloud / "dir" / "foo", cloud / "dir2" / "foo")
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assert fs.isdir(cloud / "dir2")
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assert fs.exists(cloud / "dir2" / "foo")
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