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import os
import sys
from pathlib import Path
import pytest
from isort import exceptions, settings
from isort.settings import Config
class TestConfig:
instance = Config()
def test_init(self):
assert Config()
def test_known_settings(self):
assert Config(known_third_party=["one"]).known_third_party == frozenset({"one"})
assert Config(known_thirdparty=["two"]).known_third_party == frozenset({"two"})
assert Config(
known_third_party=["one"], known_thirdparty=["two"]
).known_third_party == frozenset({"one"})
def test_invalid_settings_path(self):
with pytest.raises(exceptions.InvalidSettingsPath):
Config(settings_path="this_couldnt_possibly_actually_exists/could_it")
def test_invalid_pyversion(self):
with pytest.raises(ValueError):
Config(py_version=10)
def test_invalid_profile(self):
with pytest.raises(exceptions.ProfileDoesNotExist):
Config(profile="blackandwhitestylemixedwithpep8")
def test_is_skipped(self):
assert Config().is_skipped(Path("C:\\path\\isort.py"))
assert Config(skip=["/path/isort.py"]).is_skipped(Path("C:\\path\\isort.py"))
def test_is_supported_filetype(self):
assert self.instance.is_supported_filetype("file.py")
assert self.instance.is_supported_filetype("file.pyi")
assert self.instance.is_supported_filetype("file.pyx")
assert not self.instance.is_supported_filetype("file.pyc")
assert not self.instance.is_supported_filetype("file.txt")
assert not self.instance.is_supported_filetype("file.pex")
def test_is_supported_filetype_ioerror(self, tmpdir):
does_not_exist = tmpdir.join("fake.txt")
assert not self.instance.is_supported_filetype(str(does_not_exist))
def test_is_supported_filetype_shebang(self, tmpdir):
path = tmpdir.join("myscript")
path.write("#!/usr/bin/env python\n")
assert self.instance.is_supported_filetype(str(path))
def test_is_supported_filetype_editor_backup(self, tmpdir):
path = tmpdir.join("myscript~")
path.write("#!/usr/bin/env python\n")
assert not self.instance.is_supported_filetype(str(path))
def test_is_supported_filetype_defaults(self, tmpdir):
assert self.instance.is_supported_filetype(str(tmpdir.join("stub.pyi")))
assert self.instance.is_supported_filetype(str(tmpdir.join("source.py")))
assert self.instance.is_supported_filetype(str(tmpdir.join("source.pyx")))
def test_is_supported_filetype_configuration(self, tmpdir):
config = Config(supported_extensions=("pyx",), blocked_extensions=("py",))
assert config.is_supported_filetype(str(tmpdir.join("stub.pyx")))
assert not config.is_supported_filetype(str(tmpdir.join("stub.py")))
@pytest.mark.skipif(
sys.platform == "win32", reason="cannot create fifo file on Windows platform"
)
def test_is_supported_filetype_fifo(self, tmpdir):
fifo_file = os.path.join(tmpdir, "fifo_file")
os.mkfifo(fifo_file)
assert not self.instance.is_supported_filetype(fifo_file)
def test_as_list():
assert settings._as_list([" one "]) == ["one"]
assert settings._as_list("one,two") == ["one", "two"]
def test_find_config(tmpdir):
tmp_config = tmpdir.join(".isort.cfg")
# can't find config if it has no relevant section
settings._find_config.cache_clear()
settings._get_config_data.cache_clear()
tmp_config.write_text(
"""
[section]
force_grid_wrap=true
""",
"utf8",
)
assert not settings._find_config(str(tmpdir))[1]
# or if it is malformed
settings._find_config.cache_clear()
settings._get_config_data.cache_clear()
tmp_config.write_text("""arstoyrsyan arienrsaeinrastyngpuywnlguyn354q^%$)(%_)@$""", "utf8")
assert not settings._find_config(str(tmpdir))[1]
# can when it has either a file format, or generic relevant section
settings._find_config.cache_clear()
settings._get_config_data.cache_clear()
tmp_config.write_text(
"""
[isort]
force_grid_wrap=true
""",
"utf8",
)
assert settings._find_config(str(tmpdir))[1]
def test_get_config_data(tmpdir):
test_config = tmpdir.join("test_config.editorconfig")
test_config.write_text(
"""
root = true
[*.py]
indent_style=tab
indent_size=tab
force_grid_wrap=false
comment_prefix="text"
""",
"utf8",
)
loaded_settings = settings._get_config_data(str(test_config), sections=("*.py",))
assert loaded_settings
assert loaded_settings["comment_prefix"] == "text"
assert loaded_settings["force_grid_wrap"] == 0
assert loaded_settings["indent"] == "\t"
assert str(tmpdir) in loaded_settings["source"]
def test_as_bool():
assert settings._as_bool("TrUe") is True
assert settings._as_bool("true") is True
assert settings._as_bool("t") is True
assert settings._as_bool("FALSE") is False
assert settings._as_bool("faLSE") is False
assert settings._as_bool("f") is False
with pytest.raises(ValueError):
settings._as_bool("")
with pytest.raises(ValueError):
settings._as_bool("falsey")
with pytest.raises(ValueError):
settings._as_bool("truthy")
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