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import os
import platform
import shutil
import subprocess
import sys
import tempfile
import textwrap
import pytest
def is_cpython():
# https://mypy.readthedocs.io/en/stable/faq.html#does-it-run-on-pypy
return platform.python_implementation() == "CPython"
def have_mypy():
return shutil.which("mypy") is not None
pytestmark = pytest.mark.skipif(not is_cpython() or not have_mypy(), reason="needs mypy")
def run_qtile_check(config):
# make sure we have mypy so we can type check the config
if shutil.which("mypy") is None:
raise Exception("missing mypy in test environment")
cmd = os.path.join(os.path.dirname(__file__), "..", "libqtile", "scripts", "main.py")
argv = [sys.executable, cmd, "check", "-c", config]
try:
newenv = os.environ.copy()
old_pp = newenv.get("PYTHONPATH", "")
newenv["PYTHONPATH"] = os.path.join(os.path.dirname(__file__), "..") + ":" + old_pp
subprocess.check_call(argv, env=newenv)
except subprocess.CalledProcessError:
return False
else:
return True
def test_check_default_config():
# the default config should always be ok
default_config = os.path.join(
os.path.dirname(__file__), "..", "libqtile", "resources", "default_config.py"
)
assert run_qtile_check(default_config)
def check_literal_config(config):
with tempfile.TemporaryDirectory() as tempdir:
with tempfile.NamedTemporaryFile(dir=tempdir, suffix=".py") as temp:
temp.write(textwrap.dedent(config).encode("utf-8"))
temp.flush()
return run_qtile_check(temp.name)
def test_check_bad_syntax():
assert not check_literal_config(
"""
meshuggah rocks!
"""
)
def test_check_bad_key_arg():
assert not check_literal_config(
"""
Key([1], 1)
"""
)
def test_check_good_key_arg():
assert check_literal_config(
"""
from libqtile.config import Key
from libqtile.lazy import lazy
keys = [Key(["mod4"], "x", lazy.kill())]
cursor_warp = True
"""
)
def test_check_bad_config_type():
assert not check_literal_config(
"""
keys = "i am not a List[Key]"
cursor_warp = "i am not a bool"
"""
)
def test_extra_vars_are_ok():
assert check_literal_config(
"""
this_is_an_extra_config_var = "yes it is"
"""
)
def test_extra_files_are_ok():
with tempfile.TemporaryDirectory() as tempdir:
config_file = os.path.join(tempdir, "config.py")
with open(config_file, "w") as config:
config.write("from bar import foo\n")
with open(os.path.join(tempdir, "bar.py"), "w") as config:
config.write("foo = 42")
assert run_qtile_check(config_file)
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