import sys

import unittest.case

from _typeshed import OptExcInfo

from collections.abc import Callable

from typing import Any, Final, TextIO, TypeVar

from typing_extensions import TypeAlias

_F = TypeVar("_F", bound=Callable[..., Any])

_DurationsType: TypeAlias = list[tuple[str, float]]

STDOUT_LINE: Final[str]

STDERR_LINE: Final[str]

# undocumented

def failfast(method: _F) -> _F: ...

class TestResult:

errors: list[tuple[unittest.case.TestCase, str]]

failures: list[tuple[unittest.case.TestCase, str]]

skipped: list[tuple[unittest.case.TestCase, str]]

expectedFailures: list[tuple[unittest.case.TestCase, str]]

unexpectedSuccesses: list[unittest.case.TestCase]

shouldStop: bool

testsRun: int

buffer: bool

failfast: bool

tb_locals: bool

if sys.version_info >= (3, 12):

collectedDurations: _DurationsType

def __init__(self, stream: TextIO | None = None, descriptions: bool | None = None, verbosity: int | None = None) -> None: ...

def printErrors(self) -> None: ...

def wasSuccessful(self) -> bool: ...

def stop(self) -> None: ...

def startTest(self, test: unittest.case.TestCase) -> None: ...

def stopTest(self, test: unittest.case.TestCase) -> None: ...

def startTestRun(self) -> None: ...

def stopTestRun(self) -> None: ...

def addError(self, test: unittest.case.TestCase, err: OptExcInfo) -> None: ...

def addFailure(self, test: unittest.case.TestCase, err: OptExcInfo) -> None: ...

def addSuccess(self, test: unittest.case.TestCase) -> None: ...

def addSkip(self, test: unittest.case.TestCase, reason: str) -> None: ...

def addExpectedFailure(self, test: unittest.case.TestCase, err: OptExcInfo) -> None: ...

def addUnexpectedSuccess(self, test: unittest.case.TestCase) -> None: ...

def addSubTest(self, test: unittest.case.TestCase, subtest: unittest.case.TestCase, err: OptExcInfo | None) -> None: ...

if sys.version_info >= (3, 12):

def addDuration(self, test: unittest.case.TestCase, elapsed: float) -> None: ...