usse/funda-scraper/venv/lib/python3.10/site-packages/mypyc/test/test_exceptions.py

57 lines
2.1 KiB
Python

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