67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
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"""Identity AST transform test cases"""
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from __future__ import annotations
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from mypy import build
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from mypy.errors import CompileError
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from mypy.modulefinder import BuildSource
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from mypy.options import TYPE_VAR_TUPLE, UNPACK
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from mypy.test.config import test_temp_dir
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from mypy.test.data import DataDrivenTestCase, DataSuite
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from mypy.test.helpers import assert_string_arrays_equal, normalize_error_messages, parse_options
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from mypy.test.visitors import TypeAssertTransformVisitor
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class TransformSuite(DataSuite):
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required_out_section = True
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# Reuse semantic analysis test cases.
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files = [
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"semanal-basic.test",
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"semanal-expressions.test",
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"semanal-classes.test",
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"semanal-types.test",
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"semanal-modules.test",
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"semanal-statements.test",
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"semanal-abstractclasses.test",
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]
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native_sep = True
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def run_case(self, testcase: DataDrivenTestCase) -> None:
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test_transform(testcase)
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def test_transform(testcase: DataDrivenTestCase) -> None:
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"""Perform an identity transform test case."""
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try:
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src = "\n".join(testcase.input)
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options = parse_options(src, testcase, 1)
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options.use_builtins_fixtures = True
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options.semantic_analysis_only = True
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options.enable_incomplete_feature = [TYPE_VAR_TUPLE, UNPACK]
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options.show_traceback = True
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options.force_uppercase_builtins = True
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result = build.build(
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sources=[BuildSource("main", None, src)], options=options, alt_lib_path=test_temp_dir
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)
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a = result.errors
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if a:
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raise CompileError(a)
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# Include string representations of the source files in the actual
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# output.
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for module in sorted(result.files.keys()):
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if module in testcase.test_modules:
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t = TypeAssertTransformVisitor()
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t.test_only = True
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file = t.mypyfile(result.files[module])
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a += file.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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if testcase.normalize_output:
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a = normalize_error_messages(a)
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assert_string_arrays_equal(
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testcase.output,
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a,
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f"Invalid semantic analyzer output ({testcase.file}, line {testcase.line})",
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)
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