Files
dvc/tests/func/test_fs.py
T
Ruslan Kuprieiev e430693fc8 dvcfs: use paths relative to the repo root
Currently we use both absolute and relative (depend on cwd) paths, which is
terrible for an api, as their interpretation depends on external factors.
This PR makes dvcfs accept only paths relative to the repo root for regular
outputs and absolute paths for external outputs.

Pre-requisite for making repofs use same relative paths.
2022-02-07 20:12:33 +02:00

370 lines
11 KiB
Python

import io
import os
from operator import itemgetter
from os.path import join
import fsspec
import pytest
from dvc.fs import get_cloud_fs
from dvc.fs.local import LocalFileSystem
from dvc.repo import Repo
def test_local_fs_open(tmp_dir):
tmp_dir.gen(
{
"foo": "foo",
"bar": "bar",
"тест": "проверка",
"code.py": "import sys\nimport shutil\n"
"shutil.copyfile(sys.argv[1], sys.argv[2])",
"data_dir": {
"data": "data",
"data_sub_dir": {"data_sub": "data_sub"},
},
}
)
fs = LocalFileSystem()
with fs.open("foo", encoding="utf-8") as fobj:
assert fobj.read() == "foo"
with fs.open("тест", encoding="utf-8") as fobj:
assert fobj.read() == "проверка"
def test_local_fs_exists(tmp_dir):
tmp_dir.gen(
{
"foo": "foo",
"bar": "bar",
"тест": "проверка",
"code.py": "import sys\nimport shutil\n"
"shutil.copyfile(sys.argv[1], sys.argv[2])",
"data_dir": {
"data": "data",
"data_sub_dir": {"data_sub": "data_sub"},
},
}
)
fs = LocalFileSystem()
assert fs.exists("foo")
assert fs.exists("тест")
assert not fs.exists("not-existing-file")
def test_local_fs_isdir(tmp_dir):
tmp_dir.gen(
{
"foo": "foo",
"bar": "bar",
"тест": "проверка",
"code.py": "import sys\nimport shutil\n"
"shutil.copyfile(sys.argv[1], sys.argv[2])",
"data_dir": {
"data": "data",
"data_sub_dir": {"data_sub": "data_sub"},
},
}
)
fs = LocalFileSystem()
assert fs.isdir("data_dir")
assert not fs.isdir("foo")
assert not fs.isdir("not-existing-file")
def test_local_fs_isfile(tmp_dir):
tmp_dir.gen(
{
"foo": "foo",
"bar": "bar",
"тест": "проверка",
"code.py": "import sys\nimport shutil\n"
"shutil.copyfile(sys.argv[1], sys.argv[2])",
"data_dir": {
"data": "data",
"data_sub_dir": {"data_sub": "data_sub"},
},
}
)
fs = LocalFileSystem()
assert fs.isfile("foo")
assert not fs.isfile("data_dir")
assert not fs.isfile("not-existing-file")
def convert_to_sets(walk_results):
return [
(root, set(dirs), set(nondirs)) for root, dirs, nondirs in walk_results
]
def test_walk_no_scm(tmp_dir):
tmp_dir.gen(
{
"foo": "foo",
"bar": "bar",
"тест": "проверка",
"code.py": "import sys\nimport shutil\n"
"shutil.copyfile(sys.argv[1], sys.argv[2])",
"data_dir": {
"data": "data",
"data_sub_dir": {"data_sub": "data_sub"},
},
}
)
fs = LocalFileSystem()
walk_results = fs.walk(str(tmp_dir))
assert convert_to_sets(walk_results) == [
(str(tmp_dir), {"data_dir"}, {"code.py", "bar", "тест", "foo"}),
(str(tmp_dir / "data_dir"), {"data_sub_dir"}, {"data"}),
(str(tmp_dir / "data_dir" / "data_sub_dir"), set(), {"data_sub"}),
]
walk_results = fs.walk(join("data_dir", "data_sub_dir"))
assert convert_to_sets(walk_results) == [
(join("data_dir", "data_sub_dir"), set(), {"data_sub"}),
]
def test_walk_fs_with_git(tmp_dir, scm):
tmp_dir.gen(
{
"foo": "foo",
"bar": "bar",
"тест": "проверка",
"code.py": "import sys\nimport shutil\n"
"shutil.copyfile(sys.argv[1], sys.argv[2])",
"data_dir": {
"data": "data",
"data_sub_dir": {"data_sub": "data_sub"},
},
}
)
fs = LocalFileSystem(url=str(tmp_dir))
walk_result = []
for root, dirs, files in fs.walk("."):
dirs[:] = [i for i in dirs if i != ".git"]
walk_result.append((root, dirs, files))
assert convert_to_sets(walk_result) == [
(".", {"data_dir"}, {"bar", "тест", "code.py", "foo"}),
(join("data_dir"), {"data_sub_dir"}, {"data"}),
(join("data_dir", "data_sub_dir"), set(), {"data_sub"}),
]
walk_result = fs.walk(join("data_dir", "data_sub_dir"))
assert convert_to_sets(walk_result) == [
(join("data_dir", "data_sub_dir"), set(), {"data_sub"})
]
def test_cleanfs_subrepo(tmp_dir, dvc, scm, monkeypatch):
tmp_dir.gen({"subdir": {}})
subrepo_dir = tmp_dir / "subdir"
with subrepo_dir.chdir():
subrepo = Repo.init(subdir=True)
subrepo_dir.gen({"foo": "foo", "dir": {"bar": "bar"}})
path = subrepo_dir.fs_path
assert dvc.fs.exists(dvc.fs.path.join(path, "foo"))
assert dvc.fs.isfile(dvc.fs.path.join(path, "foo"))
assert dvc.fs.exists(dvc.fs.path.join(path, "dir"))
assert dvc.fs.isdir(dvc.fs.path.join(path, "dir"))
assert subrepo.fs.exists(subrepo.fs.path.join(path, "foo"))
assert subrepo.fs.isfile(subrepo.fs.path.join(path, "foo"))
assert subrepo.fs.exists(subrepo.fs.path.join(path, "dir"))
assert subrepo.fs.isdir(subrepo.fs.path.join(path, "dir"))
def test_walk_dont_ignore_subrepos(tmp_dir, scm, dvc):
tmp_dir.dvc_gen({"foo": "foo"}, commit="add foo")
subrepo_dir = tmp_dir / "subdir"
subrepo_dir.mkdir()
with subrepo_dir.chdir():
Repo.init(subdir=True)
scm.add(["subdir"])
scm.commit("Add subrepo")
dvc_fs = dvc.fs
dvc._reset()
scm_fs = scm.get_fs("HEAD")
path = os.fspath(tmp_dir)
get_dirs = itemgetter(1)
assert set(get_dirs(next(dvc_fs.walk(path)))) == {".dvc", "subdir", ".git"}
assert set(get_dirs(next(scm_fs.walk(path)))) == {".dvc", "subdir"}
def test_fs_getsize(dvc, cloud):
cloud.gen({"data": {"foo": "foo"}, "baz": "baz baz"})
cls, config, path = get_cloud_fs(dvc, **cloud.config)
fs = cls(**config)
assert fs.getsize(fs.path.join(path, "baz")) == 7
assert fs.getsize(fs.path.join(path, "data", "foo")) == 3
def test_fs_upload_fobj(dvc, tmp_dir, cloud):
tmp_dir.gen("foo", "foo")
cls, config, path = get_cloud_fs(dvc, **cloud.config)
fs = cls(**config)
from_info = tmp_dir / "foo"
to_info = fs.path.join(path, "foo")
with open(from_info, "rb") as stream:
fs.upload_fobj(stream, to_info)
assert fs.exists(to_info)
with fs.open(to_info, "rb") as stream:
assert stream.read() == b"foo"
def test_fs_makedirs_on_upload_and_copy(dvc, cloud):
cls, config, _ = get_cloud_fs(dvc, **cloud.config)
fs = cls(**config)
with io.BytesIO(b"foo") as stream:
fs.upload(stream, (cloud / "dir" / "foo").fs_path)
assert fs.isdir((cloud / "dir").fs_path)
assert fs.exists((cloud / "dir" / "foo").fs_path)
fs.makedirs((cloud / "dir2").fs_path)
fs.copy((cloud / "dir" / "foo").fs_path, (cloud / "dir2" / "foo").fs_path)
assert fs.isdir((cloud / "dir2").fs_path)
assert fs.exists((cloud / "dir2" / "foo").fs_path)
def test_upload_callback(tmp_dir, dvc, cloud):
tmp_dir.gen("foo", "foo")
cls, config, _ = get_cloud_fs(dvc, **cloud.config)
fs = cls(**config)
expected_size = os.path.getsize(tmp_dir / "foo")
callback = fsspec.Callback()
fs.upload(
(tmp_dir / "foo").fs_path,
(cloud / "foo").fs_path,
callback=callback,
)
assert callback.size == expected_size
assert callback.value == expected_size
def test_download_callback(tmp_dir, dvc, cloud, local_cloud):
cls, config, _ = get_cloud_fs(dvc, **cloud.config)
fs = cls(**config)
(tmp_dir / "to_upload").write_text("foo")
fs.upload((tmp_dir / "to_upload").fs_path, (cloud / "foo").fs_path)
expected_size = fs.getsize((cloud / "foo").fs_path)
callback = fsspec.Callback()
fs.download_file(
(cloud / "foo").fs_path,
(tmp_dir / "foo").fs_path,
callback=callback,
)
assert callback.size == expected_size
assert callback.value == expected_size
assert (tmp_dir / "foo").read_text() == "foo"
def test_download_dir_callback(tmp_dir, dvc, cloud):
cls, config, _ = get_cloud_fs(dvc, **cloud.config)
fs = cls(**config)
cloud.gen({"dir": {"foo": "foo", "bar": "bar"}})
callback = fsspec.Callback()
fs.download(
(cloud / "dir").fs_path, (tmp_dir / "dir").fs_path, callback=callback
)
assert callback.size == 2
assert callback.value == 2
assert (tmp_dir / "dir").read_text() == {"foo": "foo", "bar": "bar"}
@pytest.mark.parametrize("fs_type", ["git", "dvc"])
def test_download_callbacks_on_dvc_git_fs(tmp_dir, dvc, scm, fs_type):
from dvc.fs.git import GitFileSystem
gen = tmp_dir.scm_gen if fs_type == "git" else tmp_dir.dvc_gen
gen({"dir": {"foo": "foo", "bar": "bar"}, "file": "file"}, commit="gen")
fs = dvc.dvcfs if fs_type == "dvc" else GitFileSystem(scm=scm, rev="HEAD")
callback = fsspec.Callback()
fs.download_file(
"file",
(tmp_dir / "file2").fs_path,
callback=callback,
)
size = os.path.getsize(tmp_dir / "file")
assert (tmp_dir / "file2").read_text() == "file"
assert callback.size == size
assert callback.value == size
callback = fsspec.Callback()
fs.download(
"dir",
(tmp_dir / "dir2").fs_path,
callback=callback,
)
assert (tmp_dir / "dir2").read_text() == {"foo": "foo", "bar": "bar"}
assert callback.size == 2
assert callback.value == 2
def test_callback_on_repo_fs(tmp_dir, dvc, scm):
tmp_dir.dvc_gen({"dir": {"bar": "bar"}}, commit="dvc")
tmp_dir.scm_gen({"dir": {"foo": "foo"}}, commit="git")
fs = dvc.repo_fs
callback = fsspec.Callback()
fs.download(
(tmp_dir / "dir").fs_path,
(tmp_dir / "dir2").fs_path,
callback=callback,
)
assert (tmp_dir / "dir2").read_text() == {"foo": "foo", "bar": "bar"}
assert callback.size == 2
assert callback.value == 2
callback = fsspec.Callback()
fs.download(
(tmp_dir / "dir" / "foo").fs_path,
(tmp_dir / "foo").fs_path,
callback=callback,
)
size = os.path.getsize(tmp_dir / "dir" / "foo")
assert (tmp_dir / "foo").read_text() == "foo"
assert callback.size == size
assert callback.value == size
callback = fsspec.Callback()
fs.download(
(tmp_dir / "dir" / "bar").fs_path,
(tmp_dir / "bar").fs_path,
callback=callback,
)
size = os.path.getsize(tmp_dir / "dir" / "bar")
assert (tmp_dir / "bar").read_text() == "bar"
assert callback.size == size
assert callback.value == size