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# ruff: noqa: PLC0415 `import` should be at the top-level of a file
import sys
import unittest
from dataclasses import dataclass, field
from io import StringIO
class ParallelTestManager:
def __init__(self, result_class, verbosity: int):
self.result_class = result_class
self.verbosity = verbosity
def run_test(self, test_name: str) -> "ParallelTestResult":
test = unittest.defaultTestLoader.loadTestsFromName(test_name)
test_runner = ParallelTestRunner(
verbosity=self.verbosity, resultclass=self.result_class
)
result = test_runner.run(test)
return ParallelTestResult(
result.testsRun,
result.wasSuccessful(),
result.get_errors(),
result.get_failures(),
result.get_skips(),
result.get_error_names(),
result.get_failed_names(),
len(result.errors),
len(result.failures),
len(result.skipped),
len(result.expectedFailures),
len(result.unexpectedSuccesses),
)
class VanillaTextTestResult(unittest.TextTestResult):
# pylint: disable=no-self-use
def get_failed_names(self) -> list[str]:
return []
def get_error_names(self) -> list[str]:
return []
def get_errors(self) -> list[str]:
return self._get_fail_descriptions("ERROR", self.errors)
def get_failures(self) -> list[str]:
return self._get_fail_descriptions("FAIL", self.failures)
def get_skips(self) -> dict[str, int]:
return {}
def _get_fail_descriptions(
self, severity: str, item_list: list[tuple[unittest.TestCase, str]]
) -> list[str]:
line_list = []
for test, err in item_list:
line_list.append(self.separator1)
line_list.append(f"{severity}: {self.getDescription(test)}")
line_list.append(self.separator2)
line_list.append(err)
return line_list
def stopTest(self, test):
del test
# super().stopTest(test)
if self.stream.seekable():
self.stream.seek(0)
if self.stream.readable():
sys.stderr.write(self.stream.read())
sys.stderr.flush()
@dataclass
class ParallelTestResult:
"""Representation of test result that can be pickled"""
# pylint: disable=too-many-instance-attributes
tests_run: int = 0
was_successful: bool = True
error_reports: list[str] = field(default_factory=list)
failure_reports: list[str] = field(default_factory=list)
skip_reports: dict[str, int] = field(default_factory=dict)
error_names: list[str] = field(default_factory=list)
failure_names: list[str] = field(default_factory=list)
error_count: int = 0
failure_count: int = 0
skip_count: int = 0
expected_failure_count: int = 0
unexpected_success_count: int = 0
def print_summary(
self,
time: float,
vanilla: bool,
last_slash: bool,
) -> None:
# pylint: disable=import-outside-toplevel too-many-branches
summary_lines = []
if self.error_count or self.failure_count or self.skip_count or vanilla:
summary_lines.append("")
summary_lines.extend(self.error_reports)
summary_lines.extend(self.failure_reports)
if not vanilla:
from pcs_test.tools.color_text_runner.format import Output
output = Output(True)
if self.error_count or self.failure_count or self.skip_count:
summary_lines.append(unittest.TextTestResult.separator1)
summary_lines.append("")
if self.error_count or self.failure_count:
summary_lines.append("")
summary_lines.append(
output.red(
"for running failed tests only (errors are first then "
"failures):"
)
)
error_overview = " \\\n".join(
output.lightgrey(err)
for err in self.error_names + self.failure_names
)
if last_slash:
error_overview = f"{error_overview} \\"
summary_lines.append("")
summary_lines.append(error_overview)
if self.skip_count:
summary_lines.append("")
summary_lines.append(
output.blue("Some tests have been skipped:")
)
summary_lines.append(
"\n".join(
[
f"{reason}\n ({count}x)"
for reason, count in sorted(
self.skip_reports.items()
)
]
)
)
summary_lines.append("")
summary_lines.append(unittest.TextTestResult.separator2)
summary_lines.append(
f"Ran {self.tests_run} test{'s' if self.tests_run != 1 else ''} in "
f"{time:.3f}s"
)
summary_lines.append("")
infos = []
if self.failure_count:
infos.append(f"failures={self.failure_count}")
if self.error_count:
infos.append(f"errors={self.error_count}")
if self.skip_count:
infos.append(f"skipped={self.skip_count}")
if self.expected_failure_count:
infos.append(f"expected failures={self.expected_failure_count}")
if self.unexpected_success_count:
infos.append(
f"unexpected successes={self.unexpected_success_count}"
)
info_line = "{result}{infos}".format(
result="OK" if self.was_successful else "FAILED",
infos=f" ({', '.join(infos)})" if infos else "",
)
summary_lines.append(info_line)
print("\n".join(summary_lines), file=sys.stderr)
class ParallelTestRunner(unittest.TextTestRunner):
def _makeResult(self):
return self.resultclass(
# pylint: disable=protected-access
unittest.runner._WritelnDecorator(StringIO()),
self.descriptions,
self.verbosity,
)
def run(self, test):
result = self._makeResult()
result.failfast = self.failfast
result.buffer = self.buffer
start_test_run = getattr(result, "startTestRun", None)
if start_test_run is not None:
start_test_run()
try:
test(result)
finally:
stop_test_run = getattr(result, "stopTestRun", None)
if stop_test_run is not None:
stop_test_run()
return result
def aggregate_test_results(
results: list[ParallelTestResult],
) -> ParallelTestResult:
result = ParallelTestResult()
for res in results:
result.tests_run += res.tests_run
result.error_reports.extend(res.error_reports)
result.failure_reports.extend(res.failure_reports)
result.error_names.extend(res.error_names)
result.failure_names.extend(res.failure_names)
result.was_successful = result.was_successful and res.was_successful
result.error_count += res.error_count
result.failure_count += res.failure_count
result.skip_count += res.skip_count
result.expected_failure_count += res.expected_failure_count
result.unexpected_success_count += res.unexpected_success_count
for reason, count in res.skip_reports.items():
result.skip_reports[reason] = (
result.skip_reports.get(reason, 0) + count
)
result.error_names = sorted(set(result.error_names))
result.failure_names = sorted(set(result.failure_names))
return result
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