/
test_types.py
234 lines (185 loc) · 7.04 KB
/
test_types.py
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import os.path
import pathlib
import tempfile
import pytest
import click
from click import FileError
@pytest.mark.parametrize(
("type", "value", "expect"),
[
(click.IntRange(0, 5), "3", 3),
(click.IntRange(5), "5", 5),
(click.IntRange(5), "100", 100),
(click.IntRange(max=5), "5", 5),
(click.IntRange(max=5), "-100", -100),
(click.IntRange(0, clamp=True), "-1", 0),
(click.IntRange(max=5, clamp=True), "6", 5),
(click.IntRange(0, min_open=True, clamp=True), "0", 1),
(click.IntRange(max=5, max_open=True, clamp=True), "5", 4),
(click.FloatRange(0.5, 1.5), "1.2", 1.2),
(click.FloatRange(0.5, min_open=True), "0.51", 0.51),
(click.FloatRange(max=1.5, max_open=True), "1.49", 1.49),
(click.FloatRange(0.5, clamp=True), "-0.0", 0.5),
(click.FloatRange(max=1.5, clamp=True), "inf", 1.5),
],
)
def test_range(type, value, expect):
assert type.convert(value, None, None) == expect
@pytest.mark.parametrize(
("type", "value", "expect"),
[
(click.IntRange(0, 5), "6", "6 is not in the range 0<=x<=5."),
(click.IntRange(5), "4", "4 is not in the range x>=5."),
(click.IntRange(max=5), "6", "6 is not in the range x<=5."),
(click.IntRange(0, 5, min_open=True), 0, "0<x<=5"),
(click.IntRange(0, 5, max_open=True), 5, "0<=x<5"),
(click.FloatRange(0.5, min_open=True), 0.5, "x>0.5"),
(click.FloatRange(max=1.5, max_open=True), 1.5, "x<1.5"),
],
)
def test_range_fail(type, value, expect):
with pytest.raises(click.BadParameter) as exc_info:
type.convert(value, None, None)
assert expect in exc_info.value.message
def test_float_range_no_clamp_open():
with pytest.raises(TypeError):
click.FloatRange(0, 1, max_open=True, clamp=True)
sneaky = click.FloatRange(0, 1, max_open=True)
sneaky.clamp = True
with pytest.raises(RuntimeError):
sneaky.convert("1.5", None, None)
@pytest.mark.parametrize(
("nargs", "multiple", "default", "expect"),
[
(2, False, None, None),
(2, False, (None, None), (None, None)),
(None, True, None, ()),
(None, True, (None, None), (None, None)),
(2, True, None, ()),
(2, True, [(None, None)], ((None, None),)),
(-1, None, None, ()),
],
)
def test_cast_multi_default(runner, nargs, multiple, default, expect):
if nargs == -1:
param = click.Argument(["a"], nargs=nargs, default=default)
else:
param = click.Option(["-a"], nargs=nargs, multiple=multiple, default=default)
cli = click.Command("cli", params=[param], callback=lambda a: a)
result = runner.invoke(cli, standalone_mode=False)
assert result.exception is None
assert result.return_value == expect
@pytest.mark.parametrize(
("cls", "expect"),
[
(None, "a/b/c.txt"),
(str, "a/b/c.txt"),
(bytes, b"a/b/c.txt"),
(pathlib.Path, pathlib.Path("a", "b", "c.txt")),
],
)
def test_path_type(runner, cls, expect):
cli = click.Command(
"cli",
params=[click.Argument(["p"], type=click.Path(path_type=cls))],
callback=lambda p: p,
)
result = runner.invoke(cli, ["a/b/c.txt"], standalone_mode=False)
assert result.exception is None
assert result.return_value == expect
def _symlinks_supported():
with tempfile.TemporaryDirectory(prefix="click-pytest-") as tempdir:
target = os.path.join(tempdir, "target")
open(target, "w").close()
link = os.path.join(tempdir, "link")
try:
os.symlink(target, link)
return True
except OSError:
return False
@pytest.mark.skipif(
not _symlinks_supported(), reason="The current OS or FS doesn't support symlinks."
)
def test_path_resolve_symlink(tmp_path, runner):
test_file = tmp_path / "file"
test_file_str = os.fspath(test_file)
test_file.write_text("")
path_type = click.Path(resolve_path=True)
param = click.Argument(["a"], type=path_type)
ctx = click.Context(click.Command("cli", params=[param]))
test_dir = tmp_path / "dir"
test_dir.mkdir()
abs_link = test_dir / "abs"
abs_link.symlink_to(test_file)
abs_rv = path_type.convert(os.fspath(abs_link), param, ctx)
assert abs_rv == test_file_str
rel_link = test_dir / "rel"
rel_link.symlink_to(pathlib.Path("..") / "file")
rel_rv = path_type.convert(os.fspath(rel_link), param, ctx)
assert rel_rv == test_file_str
def _non_utf8_filenames_supported():
with tempfile.TemporaryDirectory(prefix="click-pytest-") as tempdir:
try:
f = open(os.path.join(tempdir, "\udcff"), "w")
except OSError:
return False
f.close()
return True
@pytest.mark.skipif(
not _non_utf8_filenames_supported(),
reason="The current OS or FS doesn't support non-UTF-8 filenames.",
)
def test_path_surrogates(tmp_path, monkeypatch):
monkeypatch.chdir(tmp_path)
type = click.Path(exists=True)
path = pathlib.Path("\udcff")
with pytest.raises(click.BadParameter, match="'�' does not exist"):
type.convert(path, None, None)
type = click.Path(file_okay=False)
path.touch()
with pytest.raises(click.BadParameter, match="'�' is a file"):
type.convert(path, None, None)
path.unlink()
type = click.Path(dir_okay=False)
path.mkdir()
with pytest.raises(click.BadParameter, match="'�' is a directory"):
type.convert(path, None, None)
path.rmdir()
def no_access(*args, **kwargs):
"""Test environments may be running as root, so we have to fake the result of
the access tests that use os.access
"""
p = args[0]
assert p == path, f"unexpected os.access call on file not under test: {p!r}"
return False
path.touch()
type = click.Path(readable=True)
with pytest.raises(click.BadParameter, match="'�' is not readable"):
with monkeypatch.context() as m:
m.setattr(os, "access", no_access)
type.convert(path, None, None)
type = click.Path(readable=False, writable=True)
with pytest.raises(click.BadParameter, match="'�' is not writable"):
with monkeypatch.context() as m:
m.setattr(os, "access", no_access)
type.convert(path, None, None)
type = click.Path(readable=False, executable=True)
with pytest.raises(click.BadParameter, match="'�' is not executable"):
with monkeypatch.context() as m:
m.setattr(os, "access", no_access)
type.convert(path, None, None)
path.unlink()
@pytest.mark.parametrize(
"type",
[
click.File(mode="r"),
click.File(mode="r", lazy=True),
],
)
def test_file_surrogates(type, tmp_path):
path = tmp_path / "\udcff"
with pytest.raises(click.BadParameter, match="�': No such file or directory"):
type.convert(path, None, None)
def test_file_error_surrogates():
message = FileError(filename="\udcff").format_message()
assert message == "Could not open file '�': unknown error"