pyzmq/zmq/tests/test_mypy.py

74 lines
1.6 KiB
Python

"""
Test our typing with mypy
"""
import os
import sys
from subprocess import PIPE, STDOUT, Popen
import pytest
import zmq
pytest.importorskip("mypy")
zmq_dir = os.path.dirname(zmq.__file__)
def resolve_repo_dir(path):
"""Resolve a dir in the repo
Resolved relative to zmq dir
fallback on CWD (e.g. test run from repo, zmq installed, not -e)
"""
resolved_path = os.path.join(os.path.dirname(zmq_dir), path)
# fallback on CWD
if not os.path.exists(resolved_path):
resolved_path = path
return resolved_path
examples_dir = resolve_repo_dir("examples")
mypy_dir = resolve_repo_dir("mypy_tests")
def run_mypy(*mypy_args):
"""Run mypy for a path
Captures output and reports it on errors
"""
p = Popen(
[sys.executable, "-m", "mypy"] + list(mypy_args), stdout=PIPE, stderr=STDOUT
)
o, _ = p.communicate()
out = o.decode("utf8", "replace")
print(out)
assert p.returncode == 0, out
if os.path.exists(examples_dir):
examples = [
d
for d in os.listdir(examples_dir)
if os.path.isdir(os.path.join(examples_dir, d))
]
@pytest.mark.skipif(
not os.path.exists(examples_dir), reason="only test from examples directory"
)
@pytest.mark.parametrize("example", examples)
def test_mypy_example(example):
example_dir = os.path.join(examples_dir, example)
run_mypy("--disallow-untyped-calls", example_dir)
if os.path.exists(mypy_dir):
mypy_tests = [p for p in os.listdir(mypy_dir) if p.endswith(".py")]
@pytest.mark.parametrize("filename", mypy_tests)
def test_mypy(filename):
run_mypy("--disallow-untyped-calls", os.path.join(mypy_dir, filename))