from typing import (
    Any, AnyStr, Callable, Container, ContextManager, Dict, FrozenSet, Generic,
    Iterable, List, NoReturn, Optional, overload, Pattern, Sequence, Set,
    Tuple, Type, TypeVar, Union,
)
import logging
import unittest.result
from types import TracebackType


_E = TypeVar('_E', bound=BaseException)
_FT = TypeVar('_FT', bound=Callable[..., Any])


def expectedFailure(func: _FT) -> _FT: ...
def skip(reason: str) -> Callable[[_FT], _FT]: ...
def skipIf(condition: object, reason: str) -> Callable[[_FT], _FT]: ...
def skipUnless(condition: object, reason: str) -> Callable[[_FT], _FT]: ...


class SkipTest(Exception):
    def __init__(self, reason: str) -> None: ...


class TestCase:
    failureException: Type[BaseException]
    longMessage: bool
    maxDiff: Optional[int]
    # undocumented
    _testMethodName: str
    # undocumented
    _testMethodDoc: str
    def __init__(self, methodName: str = ...) -> None: ...
    def setUp(self) -> None: ...
    def tearDown(self) -> None: ...
    @classmethod
    def setUpClass(cls) -> None: ...
    @classmethod
    def tearDownClass(cls) -> None: ...
    def run(self, result: Optional[unittest.result.TestResult] = ...) -> Optional[unittest.result.TestResult]: ...
    def __call__(self, result: Optional[unittest.result.TestResult] = ...) -> Optional[unittest.result.TestResult]: ...
    def skipTest(self, reason: Any) -> None: ...
    def subTest(self, msg: Any = ..., **params: Any) -> ContextManager[None]: ...
    def debug(self) -> None: ...
    def _addSkip(
        self, result: unittest.result.TestResult, test_case: unittest.case.TestCase, reason: str
    ) -> None: ...
    def assertEqual(self, first: Any, second: Any, msg: Any = ...) -> None: ...
    def assertNotEqual(self, first: Any, second: Any,
                       msg: Any = ...) -> None: ...
    def assertTrue(self, expr: Any, msg: Any = ...) -> None: ...
    def assertFalse(self, expr: Any, msg: Any = ...) -> None: ...
    def assertIs(self, expr1: Any, expr2: Any, msg: Any = ...) -> None: ...
    def assertIsNot(self, expr1: Any, expr2: Any, msg: Any = ...) -> None: ...
    def assertIsNone(self, obj: Any, msg: Any = ...) -> None: ...
    def assertIsNotNone(self, obj: Any, msg: Any = ...) -> None: ...
    def assertIn(self, member: Any,
                 container: Union[Iterable[Any], Container[Any]],
                 msg: Any = ...) -> None: ...
    def assertNotIn(self, member: Any,
                    container: Union[Iterable[Any], Container[Any]],
                    msg: Any = ...) -> None: ...
    def assertIsInstance(self, obj: Any,
                         cls: Union[type, Tuple[type, ...]],
                         msg: Any = ...) -> None: ...
    def assertNotIsInstance(self, obj: Any,
                            cls: Union[type, Tuple[type, ...]],
                            msg: Any = ...) -> None: ...
    def assertGreater(self, a: Any, b: Any, msg: Any = ...) -> None: ...
    def assertGreaterEqual(self, a: Any, b: Any, msg: Any = ...) -> None: ...
    def assertLess(self, a: Any, b: Any, msg: Any = ...) -> None: ...
    def assertLessEqual(self, a: Any, b: Any, msg: Any = ...) -> None: ...
    @overload
    def assertRaises(self,  # type: ignore
                     expected_exception: Union[Type[BaseException], Tuple[Type[BaseException], ...]],
                     callable: Callable[..., Any],
                     *args: Any, **kwargs: Any) -> None: ...
    @overload
    def assertRaises(self,
                     expected_exception: Union[Type[_E], Tuple[Type[_E], ...]],
                     msg: Any = ...) -> _AssertRaisesContext[_E]: ...
    @overload
    def assertRaisesRegex(self,  # type: ignore
                          expected_exception: Union[Type[BaseException], Tuple[Type[BaseException], ...]],
                          expected_regex: Union[str, bytes, Pattern[str], Pattern[bytes]],
                          callable: Callable[..., Any],
                          *args: Any, **kwargs: Any) -> None: ...
    @overload
    def assertRaisesRegex(self,
                          expected_exception: Union[Type[_E], Tuple[Type[_E], ...]],
                          expected_regex: Union[str, bytes, Pattern[str], Pattern[bytes]],
                          msg: Any = ...) -> _AssertRaisesContext[_E]: ...
    @overload
    def assertWarns(self,  # type: ignore
                    expected_warning: Union[Type[Warning], Tuple[Type[Warning], ...]],
                    callable: Callable[..., Any],
                    *args: Any, **kwargs: Any) -> None: ...
    @overload
    def assertWarns(self,
                    expected_warning: Union[Type[Warning], Tuple[Type[Warning], ...]],
                    msg: Any = ...) -> _AssertWarnsContext: ...
    @overload
    def assertWarnsRegex(self,  # type: ignore
                         expected_warning: Union[Type[Warning], Tuple[Type[Warning], ...]],
                         expected_regex: Union[str, bytes, Pattern[str], Pattern[bytes]],
                         callable: Callable[..., Any],
                         *args: Any, **kwargs: Any) -> None: ...
    @overload
    def assertWarnsRegex(self,
                         expected_warning: Union[Type[Warning], Tuple[Type[Warning], ...]],
                         expected_regex: Union[str, bytes, Pattern[str], Pattern[bytes]],
                         msg: Any = ...) -> _AssertWarnsContext: ...
    def assertLogs(
        self, logger: Optional[logging.Logger] = ...,
        level: Union[int, str, None] = ...
    ) -> _AssertLogsContext: ...
    def assertAlmostEqual(self, first: float, second: float, places: int = ...,
                          msg: Any = ..., delta: float = ...) -> None: ...
    @overload
    def assertNotAlmostEqual(self, first: float, second: float, *,
                             msg: Any = ...) -> None: ...
    @overload
    def assertNotAlmostEqual(self, first: float, second: float,
                             places: int = ..., msg: Any = ...) -> None: ...
    @overload
    def assertNotAlmostEqual(self, first: float, second: float, *,
                             msg: Any = ..., delta: float = ...) -> None: ...
    def assertRegex(self, text: AnyStr, expected_regex: Union[AnyStr, Pattern[AnyStr]],
                    msg: Any = ...) -> None: ...
    def assertNotRegex(self, text: AnyStr, unexpected_regex: Union[AnyStr, Pattern[AnyStr]],
                       msg: Any = ...) -> None: ...
    def assertCountEqual(self, first: Iterable[Any], second: Iterable[Any],
                         msg: Any = ...) -> None: ...
    def addTypeEqualityFunc(self, typeobj: Type[Any],
                            function: Callable[..., None]) -> None: ...
    def assertMultiLineEqual(self, first: str, second: str,
                             msg: Any = ...) -> None: ...
    def assertSequenceEqual(self, seq1: Sequence[Any], seq2: Sequence[Any],
                            msg: Any = ...,
                            seq_type: Type[Sequence[Any]] = ...) -> None: ...
    def assertListEqual(self, list1: List[Any], list2: List[Any],
                        msg: Any = ...) -> None: ...
    def assertTupleEqual(self, tuple1: Tuple[Any, ...], tuple2: Tuple[Any, ...],
                         msg: Any = ...) -> None: ...
    def assertSetEqual(self, set1: Union[Set[Any], FrozenSet[Any]],
                       set2: Union[Set[Any], FrozenSet[Any]], msg: Any = ...) -> None: ...
    def assertDictEqual(self, d1: Dict[Any, Any], d2: Dict[Any, Any],
                        msg: Any = ...) -> None: ...
    def fail(self, msg: Any = ...) -> NoReturn: ...
    def countTestCases(self) -> int: ...
    def defaultTestResult(self) -> unittest.result.TestResult: ...
    def id(self) -> str: ...
    def shortDescription(self) -> Optional[str]: ...
    def addCleanup(self, function: Callable[..., Any], *args: Any,
                   **kwargs: Any) -> None: ...
    def doCleanups(self) -> None: ...
    def _formatMessage(self, msg: Optional[str], standardMsg: str) -> str: ...  # undocumented
    def _getAssertEqualityFunc(self, first: Any, second: Any) -> Callable[..., None]: ...  # undocumented
    # below is deprecated
    def failUnlessEqual(self, first: Any, second: Any,
                        msg: Any = ...) -> None: ...
    def assertEquals(self, first: Any, second: Any, msg: Any = ...) -> None: ...
    def failIfEqual(self, first: Any, second: Any, msg: Any = ...) -> None: ...
    def assertNotEquals(self, first: Any, second: Any,
                        msg: Any = ...) -> None: ...
    def failUnless(self, expr: bool, msg: Any = ...) -> None: ...
    def assert_(self, expr: bool, msg: Any = ...) -> None: ...
    def failIf(self, expr: bool, msg: Any = ...) -> None: ...
    @overload
    def failUnlessRaises(self,  # type: ignore
                         exception: Union[Type[BaseException], Tuple[Type[BaseException], ...]],
                         callable: Callable[..., Any] = ...,
                         *args: Any, **kwargs: Any) -> None: ...
    @overload
    def failUnlessRaises(self,
                         exception: Union[Type[_E], Tuple[Type[_E], ...]],
                         msg: Any = ...) -> _AssertRaisesContext[_E]: ...
    def failUnlessAlmostEqual(self, first: float, second: float,
                              places: int = ..., msg: Any = ...) -> None: ...
    def assertAlmostEquals(self, first: float, second: float, places: int = ...,
                           msg: Any = ..., delta: float = ...) -> None: ...
    def failIfAlmostEqual(self, first: float, second: float, places: int = ...,
                          msg: Any = ...) -> None: ...
    def assertNotAlmostEquals(self, first: float, second: float,
                              places: int = ..., msg: Any = ...,
                              delta: float = ...) -> None: ...
    def assertRegexpMatches(self, text: AnyStr, regex: Union[AnyStr, Pattern[AnyStr]],
                            msg: Any = ...) -> None: ...
    @overload
    def assertRaisesRegexp(self,  # type: ignore
                           exception: Union[Type[BaseException], Tuple[Type[BaseException], ...]],
                           callable: Callable[..., Any] = ...,
                           *args: Any, **kwargs: Any) -> None: ...
    @overload
    def assertRaisesRegexp(self,
                           exception: Union[Type[_E], Tuple[Type[_E], ...]],
                           msg: Any = ...) -> _AssertRaisesContext[_E]: ...

class FunctionTestCase(TestCase):
    def __init__(self, testFunc: Callable[[], None],
                 setUp: Optional[Callable[[], None]] = ...,
                 tearDown: Optional[Callable[[], None]] = ...,
                 description: Optional[str] = ...) -> None: ...

class _AssertRaisesContext(Generic[_E]):
    exception: _E
    def __enter__(self) -> _AssertRaisesContext[_E]: ...
    def __exit__(self, exc_type: Optional[Type[BaseException]], exc_val: Optional[BaseException],
                 exc_tb: Optional[TracebackType]) -> bool: ...

class _AssertWarnsContext:
    warning: Warning
    filename: str
    lineno: int
    def __enter__(self) -> _AssertWarnsContext: ...
    def __exit__(self, exc_type: Optional[Type[BaseException]], exc_val: Optional[BaseException],
                 exc_tb: Optional[TracebackType]) -> None: ...

class _AssertLogsContext:
    records: List[logging.LogRecord]
    output: List[str]
    def __enter__(self) -> _AssertLogsContext: ...
    def __exit__(self, exc_type: Optional[Type[BaseException]], exc_val: Optional[BaseException],
                 exc_tb: Optional[TracebackType]) -> Optional[bool]: ...