Tipragot
628be439b8
Cela permet de ne pas avoir de problèmes de compatibilité car python est dans le git.
98 lines
3 KiB
Python
98 lines
3 KiB
Python
"""Tests for the mypy parser."""
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from __future__ import annotations
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import sys
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from pytest import skip
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from mypy import defaults
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from mypy.config_parser import parse_mypy_comments
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from mypy.errors import CompileError
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from mypy.options import Options
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from mypy.parse import parse
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from mypy.test.data import DataDrivenTestCase, DataSuite
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from mypy.test.helpers import assert_string_arrays_equal, find_test_files, parse_options
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from mypy.util import get_mypy_comments
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class ParserSuite(DataSuite):
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required_out_section = True
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base_path = "."
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files = find_test_files(pattern="parse*.test", exclude=["parse-errors.test"])
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if sys.version_info < (3, 10):
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files.remove("parse-python310.test")
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def run_case(self, testcase: DataDrivenTestCase) -> None:
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test_parser(testcase)
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def test_parser(testcase: DataDrivenTestCase) -> None:
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"""Perform a single parser test case.
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The argument contains the description of the test case.
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"""
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options = Options()
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options.force_uppercase_builtins = True
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options.hide_error_codes = True
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if testcase.file.endswith("python310.test"):
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options.python_version = (3, 10)
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else:
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options.python_version = defaults.PYTHON3_VERSION
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source = "\n".join(testcase.input)
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# Apply mypy: comments to options.
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comments = get_mypy_comments(source)
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changes, _ = parse_mypy_comments(comments, options)
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options = options.apply_changes(changes)
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try:
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n = parse(
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bytes(source, "ascii"), fnam="main", module="__main__", errors=None, options=options
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)
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a = n.str_with_options(options).split("\n")
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except CompileError as e:
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a = e.messages
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assert_string_arrays_equal(
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testcase.output, a, f"Invalid parser output ({testcase.file}, line {testcase.line})"
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)
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# The file name shown in test case output. This is displayed in error
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# messages, and must match the file name in the test case descriptions.
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INPUT_FILE_NAME = "file"
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class ParseErrorSuite(DataSuite):
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required_out_section = True
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base_path = "."
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files = ["parse-errors.test"]
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def run_case(self, testcase: DataDrivenTestCase) -> None:
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test_parse_error(testcase)
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def test_parse_error(testcase: DataDrivenTestCase) -> None:
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try:
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options = parse_options("\n".join(testcase.input), testcase, 0)
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if options.python_version != sys.version_info[:2]:
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skip()
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# Compile temporary file. The test file contains non-ASCII characters.
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parse(
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bytes("\n".join(testcase.input), "utf-8"), INPUT_FILE_NAME, "__main__", None, options
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)
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raise AssertionError("No errors reported")
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except CompileError as e:
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if e.module_with_blocker is not None:
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assert e.module_with_blocker == "__main__"
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# Verify that there was a compile error and that the error messages
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# are equivalent.
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assert_string_arrays_equal(
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testcase.output,
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e.messages,
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f"Invalid compiler output ({testcase.file}, line {testcase.line})",
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)
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