57 lines
2.1 KiB
Python
57 lines
2.1 KiB
Python
"""Test runner for exception handling transform test cases.
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The transform inserts exception handling branch operations to IR.
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"""
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import os.path
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from mypy.test.config import test_temp_dir
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from mypy.test.data import DataDrivenTestCase
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from mypy.errors import CompileError
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from mypyc.common import TOP_LEVEL_NAME
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from mypyc.ir.pprint import format_func
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from mypyc.transform.uninit import insert_uninit_checks
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from mypyc.transform.exceptions import insert_exception_handling
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from mypyc.transform.refcount import insert_ref_count_opcodes
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from mypyc.test.testutil import (
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ICODE_GEN_BUILTINS, use_custom_builtins, MypycDataSuite, build_ir_for_single_file,
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assert_test_output, remove_comment_lines
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)
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from mypyc.analysis.blockfreq import frequently_executed_blocks
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files = [
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'exceptions.test',
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'exceptions-freq.test',
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]
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class TestExceptionTransform(MypycDataSuite):
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files = files
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base_path = test_temp_dir
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def run_case(self, testcase: DataDrivenTestCase) -> None:
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"""Perform a runtime checking transformation test case."""
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with use_custom_builtins(os.path.join(self.data_prefix, ICODE_GEN_BUILTINS), testcase):
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expected_output = remove_comment_lines(testcase.output)
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try:
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ir = build_ir_for_single_file(testcase.input)
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except CompileError as e:
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actual = e.messages
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else:
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actual = []
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for fn in ir:
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if (fn.name == TOP_LEVEL_NAME
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and not testcase.name.endswith('_toplevel')):
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continue
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insert_uninit_checks(fn)
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insert_exception_handling(fn)
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insert_ref_count_opcodes(fn)
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actual.extend(format_func(fn))
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if testcase.name.endswith('_freq'):
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common = frequently_executed_blocks(fn.blocks[0])
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actual.append('hot blocks: %s' % sorted(b.label for b in common))
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assert_test_output(testcase, actual, 'Invalid source code output',
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expected_output)
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