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https://github.com/kennethreitz/pydantic.git
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dmontagu
62 lines
2.2 KiB
Python
62 lines
2.2 KiB
Python
import importlib
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import os
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import re
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from pathlib import Path
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import pytest
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from mypy import api
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try:
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import typing_extensions
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except ImportError:
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typing_extensions = None
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# This ensures mypy can find the test files, no matter where tests are run from:
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os.chdir(Path(__file__).parent.parent)
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expected_fails = [
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(
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'tests/mypy/fail1.py',
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('tests/mypy/fail1.py:20: error: Unsupported operand types for + ("int" and "str")\n', '', 1),
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),
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('tests/mypy/fail2.py', ('tests/mypy/fail2.py:20: error: "Model" has no attribute "foobar"\n', '', 1)),
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(
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'tests/mypy/fail3.py',
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(
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'tests/mypy/fail3.py:22: error: '
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'Argument 1 to "append" of "list" has incompatible type "str"; expected "int"\n',
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'',
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1,
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),
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),
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]
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expected_successes = [('tests/mypy/success.py', ('', '', 0))]
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@pytest.mark.skipif(not typing_extensions, reason='typing_extensions not installed')
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@pytest.mark.parametrize('filename,expected_result', expected_successes + expected_fails)
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def test_mypy_results(filename, expected_result):
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actual_result = api.run([filename, '--config-file', 'tests/mypy/mypy-default.ini', '--no-error-summary'])
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expected_out, expected_err, expected_returncode = expected_result
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actual_out, actual_err, actual_returncode = actual_result
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assert (expected_err, expected_returncode) == (actual_err, actual_returncode)
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# Need to remove filenames, as they render differently on mac/linux and windows:
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actual_out_lines = actual_out.split('\n')
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expected_out_lines = expected_out.split('\n')
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assert len(actual_out_lines) == len(expected_out_lines)
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for actual_line, expected_line in zip(actual_out_lines, expected_out_lines):
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actual_line_without_filename = '.py'.join(actual_line.split('.py')[1:])
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expected_line_without_filename = '.py'.join(expected_line.split('.py')[1:])
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assert actual_line_without_filename == expected_line_without_filename
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success_imports = [re.sub('/', '.', filename)[:-3] for filename, _ in expected_successes]
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@pytest.mark.parametrize('module', success_imports)
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def test_mypy_successes_run(module):
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importlib.import_module(module)
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