Tipragot
628be439b8
Cela permet de ne pas avoir de problèmes de compatibilité car python est dans le git.
104 lines
2.7 KiB
Python
104 lines
2.7 KiB
Python
"""
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A "meta test" which tests the parsing of .test files. This is not meant to become exhaustive
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but to ensure we maintain a basic level of ergonomics for mypy contributors.
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"""
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import subprocess
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import sys
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import textwrap
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import uuid
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from pathlib import Path
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from mypy.test.config import test_data_prefix
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from mypy.test.helpers import Suite
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class ParseTestDataSuite(Suite):
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def _dedent(self, s: str) -> str:
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return textwrap.dedent(s).lstrip()
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def _run_pytest(self, data_suite: str) -> str:
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p_test_data = Path(test_data_prefix)
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p_root = p_test_data.parent.parent
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p = p_test_data / f"check-meta-{uuid.uuid4()}.test"
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assert not p.exists()
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try:
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p.write_text(data_suite)
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test_nodeid = f"mypy/test/testcheck.py::TypeCheckSuite::{p.name}"
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args = [sys.executable, "-m", "pytest", "-n", "0", "-s", test_nodeid]
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proc = subprocess.run(args, cwd=p_root, capture_output=True, check=False)
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return proc.stdout.decode()
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finally:
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p.unlink()
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def test_parse_invalid_case(self) -> None:
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# Arrange
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data = self._dedent(
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"""
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[case abc]
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s: str
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[case foo-XFAIL]
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s: str
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"""
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)
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# Act
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actual = self._run_pytest(data)
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# Assert
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assert "Invalid testcase id 'foo-XFAIL'" in actual
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def test_parse_invalid_section(self) -> None:
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# Arrange
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data = self._dedent(
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"""
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[case abc]
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s: str
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[unknownsection]
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abc
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"""
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)
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# Act
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actual = self._run_pytest(data)
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# Assert
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expected_lineno = data.splitlines().index("[unknownsection]") + 1
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expected = (
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f".test:{expected_lineno}: Invalid section header [unknownsection] in case 'abc'"
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)
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assert expected in actual
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def test_bad_ge_version_check(self) -> None:
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# Arrange
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data = self._dedent(
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"""
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[case abc]
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s: str
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[out version>=3.8]
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abc
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"""
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)
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# Act
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actual = self._run_pytest(data)
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# Assert
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assert "version>=3.8 always true since minimum runtime version is (3, 8)" in actual
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def test_bad_eq_version_check(self) -> None:
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# Arrange
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data = self._dedent(
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"""
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[case abc]
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s: str
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[out version==3.7]
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abc
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"""
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)
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# Act
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actual = self._run_pytest(data)
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# Assert
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assert "version==3.7 always false since minimum runtime version is (3, 8)" in actual
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