# mypy: allow-untyped-defs import dataclasses import itertools import re import sys import textwrap from typing import Any from typing import cast from typing import Dict from typing import Iterator from typing import List from typing import Optional from typing import Sequence from typing import Tuple from typing import Union import hypothesis from hypothesis import strategies from _pytest import fixtures from _pytest import python from _pytest.compat import getfuncargnames from _pytest.compat import NOTSET from _pytest.outcomes import fail from _pytest.pytester import Pytester from _pytest.python import Function from _pytest.python import IdMaker from _pytest.scope import Scope import pytest class TestMetafunc: def Metafunc(self, func, config=None) -> python.Metafunc: # The unit tests of this class check if things work correctly # on the funcarg level, so we don't need a full blown # initialization. class FuncFixtureInfoMock: name2fixturedefs: Dict[str, List[fixtures.FixtureDef[object]]] = {} def __init__(self, names): self.names_closure = names @dataclasses.dataclass class FixtureManagerMock: config: Any @dataclasses.dataclass class SessionMock: _fixturemanager: FixtureManagerMock @dataclasses.dataclass class DefinitionMock(python.FunctionDefinition): _nodeid: str obj: object names = getfuncargnames(func) fixtureinfo: Any = FuncFixtureInfoMock(names) definition: Any = DefinitionMock._create(obj=func, _nodeid="mock::nodeid") definition._fixtureinfo = fixtureinfo definition.session = SessionMock(FixtureManagerMock({})) return python.Metafunc(definition, fixtureinfo, config, _ispytest=True) def test_no_funcargs(self) -> None: def function(): pass metafunc = self.Metafunc(function) assert not metafunc.fixturenames repr(metafunc._calls) def test_function_basic(self) -> None: def func(arg1, arg2="qwe"): pass metafunc = self.Metafunc(func) assert len(metafunc.fixturenames) == 1 assert "arg1" in metafunc.fixturenames assert metafunc.function is func assert metafunc.cls is None def test_parametrize_error(self) -> None: def func(x, y): pass metafunc = self.Metafunc(func) metafunc.parametrize("x", [1, 2]) pytest.raises(ValueError, lambda: metafunc.parametrize("x", [5, 6])) pytest.raises(ValueError, lambda: metafunc.parametrize("x", [5, 6])) metafunc.parametrize("y", [1, 2]) pytest.raises(ValueError, lambda: metafunc.parametrize("y", [5, 6])) pytest.raises(ValueError, lambda: metafunc.parametrize("y", [5, 6])) with pytest.raises(TypeError, match="^ids must be a callable or an iterable$"): metafunc.parametrize("y", [5, 6], ids=42) # type: ignore[arg-type] def test_parametrize_error_iterator(self) -> None: def func(x): raise NotImplementedError() class Exc(Exception): def __repr__(self): return "Exc(from_gen)" def gen() -> Iterator[Union[int, None, Exc]]: yield 0 yield None yield Exc() metafunc = self.Metafunc(func) # When the input is an iterator, only len(args) are taken, # so the bad Exc isn't reached. metafunc.parametrize("x", [1, 2], ids=gen()) # type: ignore[arg-type] assert [(x.params, x.id) for x in metafunc._calls] == [ ({"x": 1}, "0"), ({"x": 2}, "2"), ] with pytest.raises( fail.Exception, match=( r"In func: ids contains unsupported value Exc\(from_gen\) \(type: \) at index 2. " r"Supported types are: .*" ), ): metafunc.parametrize("x", [1, 2, 3], ids=gen()) # type: ignore[arg-type] def test_parametrize_bad_scope(self) -> None: def func(x): pass metafunc = self.Metafunc(func) with pytest.raises( fail.Exception, match=r"parametrize\(\) call in func got an unexpected scope value 'doggy'", ): metafunc.parametrize("x", [1], scope="doggy") # type: ignore[arg-type] def test_parametrize_request_name(self, pytester: Pytester) -> None: """Show proper error when 'request' is used as a parameter name in parametrize (#6183)""" def func(request): raise NotImplementedError() metafunc = self.Metafunc(func) with pytest.raises( fail.Exception, match=r"'request' is a reserved name and cannot be used in @pytest.mark.parametrize", ): metafunc.parametrize("request", [1]) def test_find_parametrized_scope(self) -> None: """Unit test for _find_parametrized_scope (#3941).""" from _pytest.python import _find_parametrized_scope @dataclasses.dataclass class DummyFixtureDef: _scope: Scope fixtures_defs = cast( Dict[str, Sequence[fixtures.FixtureDef[object]]], dict( session_fix=[DummyFixtureDef(Scope.Session)], package_fix=[DummyFixtureDef(Scope.Package)], module_fix=[DummyFixtureDef(Scope.Module)], class_fix=[DummyFixtureDef(Scope.Class)], func_fix=[DummyFixtureDef(Scope.Function)], mixed_fix=[DummyFixtureDef(Scope.Module), DummyFixtureDef(Scope.Class)], ), ) # use arguments to determine narrow scope; the cause of the bug is that it would look on all # fixture defs given to the method def find_scope(argnames, indirect): return _find_parametrized_scope(argnames, fixtures_defs, indirect=indirect) assert find_scope(["func_fix"], indirect=True) == Scope.Function assert find_scope(["class_fix"], indirect=True) == Scope.Class assert find_scope(["module_fix"], indirect=True) == Scope.Module assert find_scope(["package_fix"], indirect=True) == Scope.Package assert find_scope(["session_fix"], indirect=True) == Scope.Session assert find_scope(["class_fix", "func_fix"], indirect=True) == Scope.Function assert find_scope(["func_fix", "session_fix"], indirect=True) == Scope.Function assert find_scope(["session_fix", "class_fix"], indirect=True) == Scope.Class assert ( find_scope(["package_fix", "session_fix"], indirect=True) == Scope.Package ) assert find_scope(["module_fix", "session_fix"], indirect=True) == Scope.Module # when indirect is False or is not for all scopes, always use function assert ( find_scope(["session_fix", "module_fix"], indirect=False) == Scope.Function ) assert ( find_scope(["session_fix", "module_fix"], indirect=["module_fix"]) == Scope.Function ) assert ( find_scope( ["session_fix", "module_fix"], indirect=["session_fix", "module_fix"] ) == Scope.Module ) assert find_scope(["mixed_fix"], indirect=True) == Scope.Class def test_parametrize_and_id(self) -> None: def func(x, y): pass metafunc = self.Metafunc(func) metafunc.parametrize("x", [1, 2], ids=["basic", "advanced"]) metafunc.parametrize("y", ["abc", "def"]) ids = [x.id for x in metafunc._calls] assert ids == ["basic-abc", "basic-def", "advanced-abc", "advanced-def"] def test_parametrize_and_id_unicode(self) -> None: """Allow unicode strings for "ids" parameter in Python 2 (##1905)""" def func(x): pass metafunc = self.Metafunc(func) metafunc.parametrize("x", [1, 2], ids=["basic", "advanced"]) ids = [x.id for x in metafunc._calls] assert ids == ["basic", "advanced"] def test_parametrize_with_wrong_number_of_ids(self) -> None: def func(x, y): pass metafunc = self.Metafunc(func) with pytest.raises(fail.Exception): metafunc.parametrize("x", [1, 2], ids=["basic"]) with pytest.raises(fail.Exception): metafunc.parametrize( ("x", "y"), [("abc", "def"), ("ghi", "jkl")], ids=["one"] ) def test_parametrize_ids_iterator_without_mark(self) -> None: def func(x, y): pass it = itertools.count() metafunc = self.Metafunc(func) metafunc.parametrize("x", [1, 2], ids=it) metafunc.parametrize("y", [3, 4], ids=it) ids = [x.id for x in metafunc._calls] assert ids == ["0-2", "0-3", "1-2", "1-3"] metafunc = self.Metafunc(func) metafunc.parametrize("x", [1, 2], ids=it) metafunc.parametrize("y", [3, 4], ids=it) ids = [x.id for x in metafunc._calls] assert ids == ["4-6", "4-7", "5-6", "5-7"] def test_parametrize_empty_list(self) -> None: """#510""" def func(y): pass class MockConfig: def getini(self, name): return "" @property def hook(self): return self def pytest_make_parametrize_id(self, **kw): pass metafunc = self.Metafunc(func, MockConfig()) metafunc.parametrize("y", []) assert "skip" == metafunc._calls[0].marks[0].name def test_parametrize_with_userobjects(self) -> None: def func(x, y): pass metafunc = self.Metafunc(func) class A: pass metafunc.parametrize("x", [A(), A()]) metafunc.parametrize("y", list("ab")) assert metafunc._calls[0].id == "x0-a" assert metafunc._calls[1].id == "x0-b" assert metafunc._calls[2].id == "x1-a" assert metafunc._calls[3].id == "x1-b" @hypothesis.given(strategies.text() | strategies.binary()) @hypothesis.settings( deadline=400.0 ) # very close to std deadline and CI boxes are not reliable in CPU power def test_idval_hypothesis(self, value) -> None: escaped = IdMaker([], [], None, None, None, None, None)._idval(value, "a", 6) assert isinstance(escaped, str) escaped.encode("ascii") def test_unicode_idval(self) -> None: """Test that Unicode strings outside the ASCII character set get escaped, using byte escapes if they're in that range or unicode escapes if they're not. """ values = [ ("", r""), ("ascii", r"ascii"), ("ação", r"a\xe7\xe3o"), ("josé@blah.com", r"jos\xe9@blah.com"), ( r"δοκ.ιμή@παράδειγμα.δοκιμή", r"\u03b4\u03bf\u03ba.\u03b9\u03bc\u03ae@\u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3" r"\u03bc\u03b1.\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae", ), ] for val, expected in values: assert ( IdMaker([], [], None, None, None, None, None)._idval(val, "a", 6) == expected ) def test_unicode_idval_with_config(self) -> None: """Unit test for expected behavior to obtain ids with disable_test_id_escaping_and_forfeit_all_rights_to_community_support option (#5294).""" class MockConfig: def __init__(self, config): self.config = config @property def hook(self): return self def pytest_make_parametrize_id(self, **kw): pass def getini(self, name): return self.config[name] option = "disable_test_id_escaping_and_forfeit_all_rights_to_community_support" values: List[Tuple[str, Any, str]] = [ ("ação", MockConfig({option: True}), "ação"), ("ação", MockConfig({option: False}), "a\\xe7\\xe3o"), ] for val, config, expected in values: actual = IdMaker([], [], None, None, config, None, None)._idval(val, "a", 6) assert actual == expected def test_bytes_idval(self) -> None: """Unit test for the expected behavior to obtain ids for parametrized bytes values: bytes objects are always escaped using "binary escape".""" values = [ (b"", r""), (b"\xc3\xb4\xff\xe4", r"\xc3\xb4\xff\xe4"), (b"ascii", r"ascii"), ("αρά".encode(), r"\xce\xb1\xcf\x81\xce\xac"), ] for val, expected in values: assert ( IdMaker([], [], None, None, None, None, None)._idval(val, "a", 6) == expected ) def test_class_or_function_idval(self) -> None: """Unit test for the expected behavior to obtain ids for parametrized values that are classes or functions: their __name__.""" class TestClass: pass def test_function(): pass values = [(TestClass, "TestClass"), (test_function, "test_function")] for val, expected in values: assert ( IdMaker([], [], None, None, None, None, None)._idval(val, "a", 6) == expected ) def test_notset_idval(self) -> None: """Test that a NOTSET value (used by an empty parameterset) generates a proper ID. Regression test for #7686. """ assert ( IdMaker([], [], None, None, None, None, None)._idval(NOTSET, "a", 0) == "a0" ) def test_idmaker_autoname(self) -> None: """#250""" result = IdMaker( ("a", "b"), [pytest.param("string", 1.0), pytest.param("st-ring", 2.0)], None, None, None, None, None, ).make_unique_parameterset_ids() assert result == ["string-1.0", "st-ring-2.0"] result = IdMaker( ("a", "b"), [pytest.param(object(), 1.0), pytest.param(object(), object())], None, None, None, None, None, ).make_unique_parameterset_ids() assert result == ["a0-1.0", "a1-b1"] # unicode mixing, issue250 result = IdMaker( ("a", "b"), [pytest.param({}, b"\xc3\xb4")], None, None, None, None, None ).make_unique_parameterset_ids() assert result == ["a0-\\xc3\\xb4"] def test_idmaker_with_bytes_regex(self) -> None: result = IdMaker( ("a"), [pytest.param(re.compile(b"foo"), 1.0)], None, None, None, None, None ).make_unique_parameterset_ids() assert result == ["foo"] def test_idmaker_native_strings(self) -> None: result = IdMaker( ("a", "b"), [ pytest.param(1.0, -1.1), pytest.param(2, -202), pytest.param("three", "three hundred"), pytest.param(True, False), pytest.param(None, None), pytest.param(re.compile("foo"), re.compile("bar")), pytest.param(str, int), pytest.param(list("six"), [66, 66]), pytest.param({7}, set("seven")), pytest.param(tuple("eight"), (8, -8, 8)), pytest.param(b"\xc3\xb4", b"name"), pytest.param(b"\xc3\xb4", "other"), pytest.param(1.0j, -2.0j), ], None, None, None, None, None, ).make_unique_parameterset_ids() assert result == [ "1.0--1.1", "2--202", "three-three hundred", "True-False", "None-None", "foo-bar", "str-int", "a7-b7", "a8-b8", "a9-b9", "\\xc3\\xb4-name", "\\xc3\\xb4-other", "1j-(-0-2j)", ] def test_idmaker_non_printable_characters(self) -> None: result = IdMaker( ("s", "n"), [ pytest.param("\x00", 1), pytest.param("\x05", 2), pytest.param(b"\x00", 3), pytest.param(b"\x05", 4), pytest.param("\t", 5), pytest.param(b"\t", 6), ], None, None, None, None, None, ).make_unique_parameterset_ids() assert result == ["\\x00-1", "\\x05-2", "\\x00-3", "\\x05-4", "\\t-5", "\\t-6"] def test_idmaker_manual_ids_must_be_printable(self) -> None: result = IdMaker( ("s",), [ pytest.param("x00", id="hello \x00"), pytest.param("x05", id="hello \x05"), ], None, None, None, None, None, ).make_unique_parameterset_ids() assert result == ["hello \\x00", "hello \\x05"] def test_idmaker_enum(self) -> None: enum = pytest.importorskip("enum") e = enum.Enum("Foo", "one, two") result = IdMaker( ("a", "b"), [pytest.param(e.one, e.two)], None, None, None, None, None ).make_unique_parameterset_ids() assert result == ["Foo.one-Foo.two"] def test_idmaker_idfn(self) -> None: """#351""" def ids(val: object) -> Optional[str]: if isinstance(val, Exception): return repr(val) return None result = IdMaker( ("a", "b"), [ pytest.param(10.0, IndexError()), pytest.param(20, KeyError()), pytest.param("three", [1, 2, 3]), ], ids, None, None, None, None, ).make_unique_parameterset_ids() assert result == ["10.0-IndexError()", "20-KeyError()", "three-b2"] def test_idmaker_idfn_unique_names(self) -> None: """#351""" def ids(val: object) -> str: return "a" result = IdMaker( ("a", "b"), [ pytest.param(10.0, IndexError()), pytest.param(20, KeyError()), pytest.param("three", [1, 2, 3]), ], ids, None, None, None, None, ).make_unique_parameterset_ids() assert result == ["a-a0", "a-a1", "a-a2"] def test_idmaker_with_idfn_and_config(self) -> None: """Unit test for expected behavior to create ids with idfn and disable_test_id_escaping_and_forfeit_all_rights_to_community_support option (#5294). """ class MockConfig: def __init__(self, config): self.config = config @property def hook(self): return self def pytest_make_parametrize_id(self, **kw): pass def getini(self, name): return self.config[name] option = "disable_test_id_escaping_and_forfeit_all_rights_to_community_support" values: List[Tuple[Any, str]] = [ (MockConfig({option: True}), "ação"), (MockConfig({option: False}), "a\\xe7\\xe3o"), ] for config, expected in values: result = IdMaker( ("a",), [pytest.param("string")], lambda _: "ação", None, config, None, None, ).make_unique_parameterset_ids() assert result == [expected] def test_idmaker_with_ids_and_config(self) -> None: """Unit test for expected behavior to create ids with ids and disable_test_id_escaping_and_forfeit_all_rights_to_community_support option (#5294). """ class MockConfig: def __init__(self, config): self.config = config @property def hook(self): return self def pytest_make_parametrize_id(self, **kw): pass def getini(self, name): return self.config[name] option = "disable_test_id_escaping_and_forfeit_all_rights_to_community_support" values: List[Tuple[Any, str]] = [ (MockConfig({option: True}), "ação"), (MockConfig({option: False}), "a\\xe7\\xe3o"), ] for config, expected in values: result = IdMaker( ("a",), [pytest.param("string")], None, ["ação"], config, None, None ).make_unique_parameterset_ids() assert result == [expected] def test_idmaker_duplicated_empty_str(self) -> None: """Regression test for empty strings parametrized more than once (#11563).""" result = IdMaker( ("a",), [pytest.param(""), pytest.param("")], None, None, None, None, None ).make_unique_parameterset_ids() assert result == ["0", "1"] def test_parametrize_ids_exception(self, pytester: Pytester) -> None: """ :param pytester: the instance of Pytester class, a temporary test directory. """ pytester.makepyfile( """ import pytest def ids(arg): raise Exception("bad ids") @pytest.mark.parametrize("arg", ["a", "b"], ids=ids) def test_foo(arg): pass """ ) result = pytester.runpytest() result.stdout.fnmatch_lines( [ "*Exception: bad ids", "*test_foo: error raised while trying to determine id of parameter 'arg' at position 0", ] ) def test_parametrize_ids_returns_non_string(self, pytester: Pytester) -> None: pytester.makepyfile( """\ import pytest def ids(d): return d @pytest.mark.parametrize("arg", ({1: 2}, {3, 4}), ids=ids) def test(arg): assert arg @pytest.mark.parametrize("arg", (1, 2.0, True), ids=ids) def test_int(arg): assert arg """ ) result = pytester.runpytest("-vv", "-s") result.stdout.fnmatch_lines( [ "test_parametrize_ids_returns_non_string.py::test[arg0] PASSED", "test_parametrize_ids_returns_non_string.py::test[arg1] PASSED", "test_parametrize_ids_returns_non_string.py::test_int[1] PASSED", "test_parametrize_ids_returns_non_string.py::test_int[2.0] PASSED", "test_parametrize_ids_returns_non_string.py::test_int[True] PASSED", ] ) def test_idmaker_with_ids(self) -> None: result = IdMaker( ("a", "b"), [pytest.param(1, 2), pytest.param(3, 4)], None, ["a", None], None, None, None, ).make_unique_parameterset_ids() assert result == ["a", "3-4"] def test_idmaker_with_paramset_id(self) -> None: result = IdMaker( ("a", "b"), [pytest.param(1, 2, id="me"), pytest.param(3, 4, id="you")], None, ["a", None], None, None, None, ).make_unique_parameterset_ids() assert result == ["me", "you"] def test_idmaker_with_ids_unique_names(self) -> None: result = IdMaker( ("a"), list(map(pytest.param, [1, 2, 3, 4, 5])), None, ["a", "a", "b", "c", "b"], None, None, None, ).make_unique_parameterset_ids() assert result == ["a0", "a1", "b0", "c", "b1"] def test_parametrize_indirect(self) -> None: """#714""" def func(x, y): pass metafunc = self.Metafunc(func) metafunc.parametrize("x", [1], indirect=True) metafunc.parametrize("y", [2, 3], indirect=True) assert len(metafunc._calls) == 2 assert metafunc._calls[0].params == dict(x=1, y=2) assert metafunc._calls[1].params == dict(x=1, y=3) def test_parametrize_indirect_list(self) -> None: """#714""" def func(x, y): pass metafunc = self.Metafunc(func) metafunc.parametrize("x, y", [("a", "b")], indirect=["x"]) assert metafunc._calls[0].params == dict(x="a", y="b") # Since `y` is a direct parameter, its pseudo-fixture would # be registered. assert list(metafunc._arg2fixturedefs.keys()) == ["y"] def test_parametrize_indirect_list_all(self) -> None: """#714""" def func(x, y): pass metafunc = self.Metafunc(func) metafunc.parametrize("x, y", [("a", "b")], indirect=["x", "y"]) assert metafunc._calls[0].params == dict(x="a", y="b") assert list(metafunc._arg2fixturedefs.keys()) == [] def test_parametrize_indirect_list_empty(self) -> None: """#714""" def func(x, y): pass metafunc = self.Metafunc(func) metafunc.parametrize("x, y", [("a", "b")], indirect=[]) assert metafunc._calls[0].params == dict(x="a", y="b") assert list(metafunc._arg2fixturedefs.keys()) == ["x", "y"] def test_parametrize_indirect_wrong_type(self) -> None: def func(x, y): pass metafunc = self.Metafunc(func) with pytest.raises( fail.Exception, match="In func: expected Sequence or boolean for indirect, got dict", ): metafunc.parametrize("x, y", [("a", "b")], indirect={}) # type: ignore[arg-type] def test_parametrize_indirect_list_functional(self, pytester: Pytester) -> None: """ #714 Test parametrization with 'indirect' parameter applied on particular arguments. As y is direct, its value should be used directly rather than being passed to the fixture y. :param pytester: the instance of Pytester class, a temporary test directory. """ pytester.makepyfile( """ import pytest @pytest.fixture(scope='function') def x(request): return request.param * 3 @pytest.fixture(scope='function') def y(request): return request.param * 2 @pytest.mark.parametrize('x, y', [('a', 'b')], indirect=['x']) def test_simple(x,y): assert len(x) == 3 assert len(y) == 1 """ ) result = pytester.runpytest("-v") result.stdout.fnmatch_lines(["*test_simple*a-b*", "*1 passed*"]) def test_parametrize_indirect_list_error(self) -> None: """#714""" def func(x, y): pass metafunc = self.Metafunc(func) with pytest.raises(fail.Exception): metafunc.parametrize("x, y", [("a", "b")], indirect=["x", "z"]) def test_parametrize_uses_no_fixture_error_indirect_false( self, pytester: Pytester ) -> None: """The 'uses no fixture' error tells the user at collection time that the parametrize data they've set up doesn't correspond to the fixtures in their test function, rather than silently ignoring this and letting the test potentially pass. #714 """ pytester.makepyfile( """ import pytest @pytest.mark.parametrize('x, y', [('a', 'b')], indirect=False) def test_simple(x): assert len(x) == 3 """ ) result = pytester.runpytest("--collect-only") result.stdout.fnmatch_lines(["*uses no argument 'y'*"]) def test_parametrize_uses_no_fixture_error_indirect_true( self, pytester: Pytester ) -> None: """#714""" pytester.makepyfile( """ import pytest @pytest.fixture(scope='function') def x(request): return request.param * 3 @pytest.fixture(scope='function') def y(request): return request.param * 2 @pytest.mark.parametrize('x, y', [('a', 'b')], indirect=True) def test_simple(x): assert len(x) == 3 """ ) result = pytester.runpytest("--collect-only") result.stdout.fnmatch_lines(["*uses no fixture 'y'*"]) def test_parametrize_indirect_uses_no_fixture_error_indirect_string( self, pytester: Pytester ) -> None: """#714""" pytester.makepyfile( """ import pytest @pytest.fixture(scope='function') def x(request): return request.param * 3 @pytest.mark.parametrize('x, y', [('a', 'b')], indirect='y') def test_simple(x): assert len(x) == 3 """ ) result = pytester.runpytest("--collect-only") result.stdout.fnmatch_lines(["*uses no fixture 'y'*"]) def test_parametrize_indirect_uses_no_fixture_error_indirect_list( self, pytester: Pytester ) -> None: """#714""" pytester.makepyfile( """ import pytest @pytest.fixture(scope='function') def x(request): return request.param * 3 @pytest.mark.parametrize('x, y', [('a', 'b')], indirect=['y']) def test_simple(x): assert len(x) == 3 """ ) result = pytester.runpytest("--collect-only") result.stdout.fnmatch_lines(["*uses no fixture 'y'*"]) def test_parametrize_argument_not_in_indirect_list( self, pytester: Pytester ) -> None: """#714""" pytester.makepyfile( """ import pytest @pytest.fixture(scope='function') def x(request): return request.param * 3 @pytest.mark.parametrize('x, y', [('a', 'b')], indirect=['x']) def test_simple(x): assert len(x) == 3 """ ) result = pytester.runpytest("--collect-only") result.stdout.fnmatch_lines(["*uses no argument 'y'*"]) def test_parametrize_gives_indicative_error_on_function_with_default_argument( self, pytester: Pytester ) -> None: pytester.makepyfile( """ import pytest @pytest.mark.parametrize('x, y', [('a', 'b')]) def test_simple(x, y=1): assert len(x) == 1 """ ) result = pytester.runpytest("--collect-only") result.stdout.fnmatch_lines( ["*already takes an argument 'y' with a default value"] ) def test_parametrize_functional(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest def pytest_generate_tests(metafunc): metafunc.parametrize('x', [1,2], indirect=True) metafunc.parametrize('y', [2]) @pytest.fixture def x(request): return request.param * 10 def test_simple(x,y): assert x in (10,20) assert y == 2 """ ) result = pytester.runpytest("-v") result.stdout.fnmatch_lines( ["*test_simple*1-2*", "*test_simple*2-2*", "*2 passed*"] ) def test_parametrize_onearg(self) -> None: metafunc = self.Metafunc(lambda x: None) metafunc.parametrize("x", [1, 2]) assert len(metafunc._calls) == 2 assert metafunc._calls[0].params == dict(x=1) assert metafunc._calls[0].id == "1" assert metafunc._calls[1].params == dict(x=2) assert metafunc._calls[1].id == "2" def test_parametrize_onearg_indirect(self) -> None: metafunc = self.Metafunc(lambda x: None) metafunc.parametrize("x", [1, 2], indirect=True) assert metafunc._calls[0].params == dict(x=1) assert metafunc._calls[0].id == "1" assert metafunc._calls[1].params == dict(x=2) assert metafunc._calls[1].id == "2" def test_parametrize_twoargs(self) -> None: metafunc = self.Metafunc(lambda x, y: None) metafunc.parametrize(("x", "y"), [(1, 2), (3, 4)]) assert len(metafunc._calls) == 2 assert metafunc._calls[0].params == dict(x=1, y=2) assert metafunc._calls[0].id == "1-2" assert metafunc._calls[1].params == dict(x=3, y=4) assert metafunc._calls[1].id == "3-4" def test_high_scoped_parametrize_reordering(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest @pytest.mark.parametrize("arg2", [3, 4]) @pytest.mark.parametrize("arg1", [0, 1, 2], scope='module') def test1(arg1, arg2): pass def test2(): pass @pytest.mark.parametrize("arg1", [0, 1, 2], scope='module') def test3(arg1): pass """ ) result = pytester.runpytest("--collect-only") result.stdout.re_match_lines( [ r" ", r" ", r" ", r" ", r" ", r" ", r" ", r" ", r" ", r" ", ] ) def test_parametrize_multiple_times(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest pytestmark = pytest.mark.parametrize("x", [1,2]) def test_func(x): assert 0, x class TestClass(object): pytestmark = pytest.mark.parametrize("y", [3,4]) def test_meth(self, x, y): assert 0, x """ ) result = pytester.runpytest() assert result.ret == 1 result.assert_outcomes(failed=6) def test_parametrize_CSV(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest @pytest.mark.parametrize("x, y,", [(1,2), (2,3)]) def test_func(x, y): assert x+1 == y """ ) reprec = pytester.inline_run() reprec.assertoutcome(passed=2) def test_parametrize_class_scenarios(self, pytester: Pytester) -> None: pytester.makepyfile( """ # same as doc/en/example/parametrize scenario example def pytest_generate_tests(metafunc): idlist = [] argvalues = [] for scenario in metafunc.cls.scenarios: idlist.append(scenario[0]) items = scenario[1].items() argnames = [x[0] for x in items] argvalues.append(([x[1] for x in items])) metafunc.parametrize(argnames, argvalues, ids=idlist, scope="class") class Test(object): scenarios = [['1', {'arg': {1: 2}, "arg2": "value2"}], ['2', {'arg':'value2', "arg2": "value2"}]] def test_1(self, arg, arg2): pass def test_2(self, arg2, arg): pass def test_3(self, arg, arg2): pass """ ) result = pytester.runpytest("-v") assert result.ret == 0 result.stdout.fnmatch_lines( """ *test_1*1* *test_2*1* *test_3*1* *test_1*2* *test_2*2* *test_3*2* *6 passed* """ ) class TestMetafuncFunctional: def test_attributes(self, pytester: Pytester) -> None: p = pytester.makepyfile( """ # assumes that generate/provide runs in the same process import sys, pytest def pytest_generate_tests(metafunc): metafunc.parametrize('metafunc', [metafunc]) @pytest.fixture def metafunc(request): return request.param def test_function(metafunc, pytestconfig): assert metafunc.config == pytestconfig assert metafunc.module.__name__ == __name__ assert metafunc.function == test_function assert metafunc.cls is None class TestClass(object): def test_method(self, metafunc, pytestconfig): assert metafunc.config == pytestconfig assert metafunc.module.__name__ == __name__ unbound = TestClass.test_method assert metafunc.function == unbound assert metafunc.cls == TestClass """ ) result = pytester.runpytest(p, "-v") result.assert_outcomes(passed=2) def test_two_functions(self, pytester: Pytester) -> None: p = pytester.makepyfile( """ def pytest_generate_tests(metafunc): metafunc.parametrize('arg1', [10, 20], ids=['0', '1']) def test_func1(arg1): assert arg1 == 10 def test_func2(arg1): assert arg1 in (10, 20) """ ) result = pytester.runpytest("-v", p) result.stdout.fnmatch_lines( [ "*test_func1*0*PASS*", "*test_func1*1*FAIL*", "*test_func2*PASS*", "*test_func2*PASS*", "*1 failed, 3 passed*", ] ) def test_noself_in_method(self, pytester: Pytester) -> None: p = pytester.makepyfile( """ def pytest_generate_tests(metafunc): assert 'xyz' not in metafunc.fixturenames class TestHello(object): def test_hello(xyz): pass """ ) result = pytester.runpytest(p) result.assert_outcomes(passed=1) def test_generate_tests_in_class(self, pytester: Pytester) -> None: p = pytester.makepyfile( """ class TestClass(object): def pytest_generate_tests(self, metafunc): metafunc.parametrize('hello', ['world'], ids=['hellow']) def test_myfunc(self, hello): assert hello == "world" """ ) result = pytester.runpytest("-v", p) result.stdout.fnmatch_lines(["*test_myfunc*hello*PASS*", "*1 passed*"]) def test_two_functions_not_same_instance(self, pytester: Pytester) -> None: p = pytester.makepyfile( """ def pytest_generate_tests(metafunc): metafunc.parametrize('arg1', [10, 20], ids=["0", "1"]) class TestClass(object): def test_func(self, arg1): assert not hasattr(self, 'x') self.x = 1 """ ) result = pytester.runpytest("-v", p) result.stdout.fnmatch_lines( ["*test_func*0*PASS*", "*test_func*1*PASS*", "*2 pass*"] ) def test_issue28_setup_method_in_generate_tests(self, pytester: Pytester) -> None: p = pytester.makepyfile( """ def pytest_generate_tests(metafunc): metafunc.parametrize('arg1', [1]) class TestClass(object): def test_method(self, arg1): assert arg1 == self.val def setup_method(self, func): self.val = 1 """ ) result = pytester.runpytest(p) result.assert_outcomes(passed=1) def test_parametrize_functional2(self, pytester: Pytester) -> None: pytester.makepyfile( """ def pytest_generate_tests(metafunc): metafunc.parametrize("arg1", [1,2]) metafunc.parametrize("arg2", [4,5]) def test_hello(arg1, arg2): assert 0, (arg1, arg2) """ ) result = pytester.runpytest() result.stdout.fnmatch_lines( ["*(1, 4)*", "*(1, 5)*", "*(2, 4)*", "*(2, 5)*", "*4 failed*"] ) def test_parametrize_and_inner_getfixturevalue(self, pytester: Pytester) -> None: p = pytester.makepyfile( """ def pytest_generate_tests(metafunc): metafunc.parametrize("arg1", [1], indirect=True) metafunc.parametrize("arg2", [10], indirect=True) import pytest @pytest.fixture def arg1(request): x = request.getfixturevalue("arg2") return x + request.param @pytest.fixture def arg2(request): return request.param def test_func1(arg1, arg2): assert arg1 == 11 """ ) result = pytester.runpytest("-v", p) result.stdout.fnmatch_lines(["*test_func1*1*PASS*", "*1 passed*"]) def test_parametrize_on_setup_arg(self, pytester: Pytester) -> None: p = pytester.makepyfile( """ def pytest_generate_tests(metafunc): assert "arg1" in metafunc.fixturenames metafunc.parametrize("arg1", [1], indirect=True) import pytest @pytest.fixture def arg1(request): return request.param @pytest.fixture def arg2(request, arg1): return 10 * arg1 def test_func(arg2): assert arg2 == 10 """ ) result = pytester.runpytest("-v", p) result.stdout.fnmatch_lines(["*test_func*1*PASS*", "*1 passed*"]) def test_parametrize_with_ids(self, pytester: Pytester) -> None: pytester.makeini( """ [pytest] console_output_style=classic """ ) pytester.makepyfile( """ import pytest def pytest_generate_tests(metafunc): metafunc.parametrize(("a", "b"), [(1,1), (1,2)], ids=["basic", "advanced"]) def test_function(a, b): assert a == b """ ) result = pytester.runpytest("-v") assert result.ret == 1 result.stdout.fnmatch_lines_random( ["*test_function*basic*PASSED", "*test_function*advanced*FAILED"] ) def test_parametrize_without_ids(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest def pytest_generate_tests(metafunc): metafunc.parametrize(("a", "b"), [(1,object()), (1.3,object())]) def test_function(a, b): assert 1 """ ) result = pytester.runpytest("-v") result.stdout.fnmatch_lines( """ *test_function*1-b0* *test_function*1.3-b1* """ ) def test_parametrize_with_None_in_ids(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest def pytest_generate_tests(metafunc): metafunc.parametrize(("a", "b"), [(1,1), (1,1), (1,2)], ids=["basic", None, "advanced"]) def test_function(a, b): assert a == b """ ) result = pytester.runpytest("-v") assert result.ret == 1 result.stdout.fnmatch_lines_random( [ "*test_function*basic*PASSED*", "*test_function*1-1*PASSED*", "*test_function*advanced*FAILED*", ] ) def test_fixture_parametrized_empty_ids(self, pytester: Pytester) -> None: """Fixtures parametrized with empty ids cause an internal error (#1849).""" pytester.makepyfile( """ import pytest @pytest.fixture(scope="module", ids=[], params=[]) def temp(request): return request.param def test_temp(temp): pass """ ) result = pytester.runpytest() result.stdout.fnmatch_lines(["* 1 skipped *"]) def test_parametrized_empty_ids(self, pytester: Pytester) -> None: """Tests parametrized with empty ids cause an internal error (#1849).""" pytester.makepyfile( """ import pytest @pytest.mark.parametrize('temp', [], ids=list()) def test_temp(temp): pass """ ) result = pytester.runpytest() result.stdout.fnmatch_lines(["* 1 skipped *"]) def test_parametrized_ids_invalid_type(self, pytester: Pytester) -> None: """Test error with non-strings/non-ints, without generator (#1857).""" pytester.makepyfile( """ import pytest @pytest.mark.parametrize("x, expected", [(1, 2), (3, 4), (5, 6)], ids=(None, 2, OSError())) def test_ids_numbers(x,expected): assert x * 2 == expected """ ) result = pytester.runpytest() result.stdout.fnmatch_lines( [ "In test_ids_numbers: ids contains unsupported value OSError() (type: ) at index 2. " "Supported types are: str, bytes, int, float, complex, bool, enum, regex or anything with a __name__." ] ) def test_parametrize_with_identical_ids_get_unique_names( self, pytester: Pytester ) -> None: pytester.makepyfile( """ import pytest def pytest_generate_tests(metafunc): metafunc.parametrize(("a", "b"), [(1,1), (1,2)], ids=["a", "a"]) def test_function(a, b): assert a == b """ ) result = pytester.runpytest("-v") assert result.ret == 1 result.stdout.fnmatch_lines_random( ["*test_function*a0*PASSED*", "*test_function*a1*FAILED*"] ) @pytest.mark.parametrize(("scope", "length"), [("module", 2), ("function", 4)]) def test_parametrize_scope_overrides( self, pytester: Pytester, scope: str, length: int ) -> None: pytester.makepyfile( """ import pytest values = [] def pytest_generate_tests(metafunc): if "arg" in metafunc.fixturenames: metafunc.parametrize("arg", [1,2], indirect=True, scope=%r) @pytest.fixture def arg(request): values.append(request.param) return request.param def test_hello(arg): assert arg in (1,2) def test_world(arg): assert arg in (1,2) def test_checklength(): assert len(values) == %d """ % (scope, length) ) reprec = pytester.inline_run() reprec.assertoutcome(passed=5) def test_parametrize_issue323(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest @pytest.fixture(scope='module', params=range(966)) def foo(request): return request.param def test_it(foo): pass def test_it2(foo): pass """ ) reprec = pytester.inline_run("--collect-only") assert not reprec.getcalls("pytest_internalerror") def test_usefixtures_seen_in_generate_tests(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest def pytest_generate_tests(metafunc): assert "abc" in metafunc.fixturenames metafunc.parametrize("abc", [1]) @pytest.mark.usefixtures("abc") def test_function(): pass """ ) reprec = pytester.runpytest() reprec.assert_outcomes(passed=1) def test_generate_tests_only_done_in_subdir(self, pytester: Pytester) -> None: sub1 = pytester.mkpydir("sub1") sub2 = pytester.mkpydir("sub2") sub1.joinpath("conftest.py").write_text( textwrap.dedent( """\ def pytest_generate_tests(metafunc): assert metafunc.function.__name__ == "test_1" """ ), encoding="utf-8", ) sub2.joinpath("conftest.py").write_text( textwrap.dedent( """\ def pytest_generate_tests(metafunc): assert metafunc.function.__name__ == "test_2" """ ), encoding="utf-8", ) sub1.joinpath("test_in_sub1.py").write_text( "def test_1(): pass", encoding="utf-8" ) sub2.joinpath("test_in_sub2.py").write_text( "def test_2(): pass", encoding="utf-8" ) result = pytester.runpytest("--keep-duplicates", "-v", "-s", sub1, sub2, sub1) result.assert_outcomes(passed=3) def test_generate_same_function_names_issue403(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest def make_tests(): @pytest.mark.parametrize("x", range(2)) def test_foo(x): pass return test_foo test_x = make_tests() test_y = make_tests() """ ) reprec = pytester.runpytest() reprec.assert_outcomes(passed=4) def test_parametrize_misspelling(self, pytester: Pytester) -> None: """#463""" pytester.makepyfile( """ import pytest @pytest.mark.parametrise("x", range(2)) def test_foo(x): pass """ ) result = pytester.runpytest("--collect-only") result.stdout.fnmatch_lines( [ "collected 0 items / 1 error", "", "*= ERRORS =*", "*_ ERROR collecting test_parametrize_misspelling.py _*", "test_parametrize_misspelling.py:3: in ", ' @pytest.mark.parametrise("x", range(2))', "E Failed: Unknown 'parametrise' mark, did you mean 'parametrize'?", "*! Interrupted: 1 error during collection !*", "*= no tests collected, 1 error in *", ] ) @pytest.mark.parametrize("scope", ["class", "package"]) def test_parametrize_missing_scope_doesnt_crash( self, pytester: Pytester, scope: str ) -> None: """Doesn't crash when parametrize(scope=) is used without a corresponding node.""" pytester.makepyfile( f""" import pytest @pytest.mark.parametrize("x", [0], scope="{scope}") def test_it(x): pass """ ) result = pytester.runpytest() assert result.ret == 0 def test_parametrize_module_level_test_with_class_scope( self, pytester: Pytester ) -> None: """ Test that a class-scoped parametrization without a corresponding `Class` gets module scope, i.e. we only create a single FixtureDef for it per module. """ module = pytester.makepyfile( """ import pytest @pytest.mark.parametrize("x", [0, 1], scope="class") def test_1(x): pass @pytest.mark.parametrize("x", [1, 2], scope="module") def test_2(x): pass """ ) test_1_0, _, test_2_0, _ = pytester.genitems((pytester.getmodulecol(module),)) assert isinstance(test_1_0, Function) assert test_1_0.name == "test_1[0]" test_1_fixture_x = test_1_0._fixtureinfo.name2fixturedefs["x"][-1] assert isinstance(test_2_0, Function) assert test_2_0.name == "test_2[1]" test_2_fixture_x = test_2_0._fixtureinfo.name2fixturedefs["x"][-1] assert test_1_fixture_x is test_2_fixture_x def test_reordering_with_scopeless_and_just_indirect_parametrization( self, pytester: Pytester ) -> None: pytester.makeconftest( """ import pytest @pytest.fixture(scope="package") def fixture1(): pass """ ) pytester.makepyfile( """ import pytest @pytest.fixture(scope="module") def fixture0(): pass @pytest.fixture(scope="module") def fixture1(fixture0): pass @pytest.mark.parametrize("fixture1", [0], indirect=True) def test_0(fixture1): pass @pytest.fixture(scope="module") def fixture(): pass @pytest.mark.parametrize("fixture", [0], indirect=True) def test_1(fixture): pass def test_2(): pass class Test: @pytest.fixture(scope="class") def fixture(self, fixture): pass @pytest.mark.parametrize("fixture", [0], indirect=True) def test_3(self, fixture): pass """ ) result = pytester.runpytest("-v") assert result.ret == 0 result.stdout.fnmatch_lines( [ "*test_0*", "*test_1*", "*test_2*", "*test_3*", ] ) class TestMetafuncFunctionalAuto: """Tests related to automatically find out the correct scope for parametrized tests (#1832).""" def test_parametrize_auto_scope(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest @pytest.fixture(scope='session', autouse=True) def fixture(): return 1 @pytest.mark.parametrize('animal', ["dog", "cat"]) def test_1(animal): assert animal in ('dog', 'cat') @pytest.mark.parametrize('animal', ['fish']) def test_2(animal): assert animal == 'fish' """ ) result = pytester.runpytest() result.stdout.fnmatch_lines(["* 3 passed *"]) def test_parametrize_auto_scope_indirect(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest @pytest.fixture(scope='session') def echo(request): return request.param @pytest.mark.parametrize('animal, echo', [("dog", 1), ("cat", 2)], indirect=['echo']) def test_1(animal, echo): assert animal in ('dog', 'cat') assert echo in (1, 2, 3) @pytest.mark.parametrize('animal, echo', [('fish', 3)], indirect=['echo']) def test_2(animal, echo): assert animal == 'fish' assert echo in (1, 2, 3) """ ) result = pytester.runpytest() result.stdout.fnmatch_lines(["* 3 passed *"]) def test_parametrize_auto_scope_override_fixture(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest @pytest.fixture(scope='session', autouse=True) def animal(): return 'fox' @pytest.mark.parametrize('animal', ["dog", "cat"]) def test_1(animal): assert animal in ('dog', 'cat') """ ) result = pytester.runpytest() result.stdout.fnmatch_lines(["* 2 passed *"]) def test_parametrize_all_indirects(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest @pytest.fixture() def animal(request): return request.param @pytest.fixture(scope='session') def echo(request): return request.param @pytest.mark.parametrize('animal, echo', [("dog", 1), ("cat", 2)], indirect=True) def test_1(animal, echo): assert animal in ('dog', 'cat') assert echo in (1, 2, 3) @pytest.mark.parametrize('animal, echo', [("fish", 3)], indirect=True) def test_2(animal, echo): assert animal == 'fish' assert echo in (1, 2, 3) """ ) result = pytester.runpytest() result.stdout.fnmatch_lines(["* 3 passed *"]) def test_parametrize_some_arguments_auto_scope( self, pytester: Pytester, monkeypatch ) -> None: """Integration test for (#3941)""" class_fix_setup: List[object] = [] monkeypatch.setattr(sys, "class_fix_setup", class_fix_setup, raising=False) func_fix_setup: List[object] = [] monkeypatch.setattr(sys, "func_fix_setup", func_fix_setup, raising=False) pytester.makepyfile( """ import pytest import sys @pytest.fixture(scope='class', autouse=True) def class_fix(request): sys.class_fix_setup.append(request.param) @pytest.fixture(autouse=True) def func_fix(): sys.func_fix_setup.append(True) @pytest.mark.parametrize('class_fix', [10, 20], indirect=True) class Test: def test_foo(self): pass def test_bar(self): pass """ ) result = pytester.runpytest_inprocess() result.stdout.fnmatch_lines(["* 4 passed in *"]) assert func_fix_setup == [True] * 4 assert class_fix_setup == [10, 20] def test_parametrize_issue634(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest @pytest.fixture(scope='module') def foo(request): print('preparing foo-%d' % request.param) return 'foo-%d' % request.param def test_one(foo): pass def test_two(foo): pass test_two.test_with = (2, 3) def pytest_generate_tests(metafunc): params = (1, 2, 3, 4) if not 'foo' in metafunc.fixturenames: return test_with = getattr(metafunc.function, 'test_with', None) if test_with: params = test_with metafunc.parametrize('foo', params, indirect=True) """ ) result = pytester.runpytest("-s") output = result.stdout.str() assert output.count("preparing foo-2") == 1 assert output.count("preparing foo-3") == 1 class TestMarkersWithParametrization: """#308""" def test_simple_mark(self, pytester: Pytester) -> None: s = """ import pytest @pytest.mark.foo @pytest.mark.parametrize(("n", "expected"), [ (1, 2), pytest.param(1, 3, marks=pytest.mark.bar), (2, 3), ]) def test_increment(n, expected): assert n + 1 == expected """ items = pytester.getitems(s) assert len(items) == 3 for item in items: assert "foo" in item.keywords assert "bar" not in items[0].keywords assert "bar" in items[1].keywords assert "bar" not in items[2].keywords def test_select_based_on_mark(self, pytester: Pytester) -> None: s = """ import pytest @pytest.mark.parametrize(("n", "expected"), [ (1, 2), pytest.param(2, 3, marks=pytest.mark.foo), (3, 4), ]) def test_increment(n, expected): assert n + 1 == expected """ pytester.makepyfile(s) rec = pytester.inline_run("-m", "foo") passed, skipped, fail = rec.listoutcomes() assert len(passed) == 1 assert len(skipped) == 0 assert len(fail) == 0 def test_simple_xfail(self, pytester: Pytester) -> None: s = """ import pytest @pytest.mark.parametrize(("n", "expected"), [ (1, 2), pytest.param(1, 3, marks=pytest.mark.xfail), (2, 3), ]) def test_increment(n, expected): assert n + 1 == expected """ pytester.makepyfile(s) reprec = pytester.inline_run() # xfail is skip?? reprec.assertoutcome(passed=2, skipped=1) def test_simple_xfail_single_argname(self, pytester: Pytester) -> None: s = """ import pytest @pytest.mark.parametrize("n", [ 2, pytest.param(3, marks=pytest.mark.xfail), 4, ]) def test_isEven(n): assert n % 2 == 0 """ pytester.makepyfile(s) reprec = pytester.inline_run() reprec.assertoutcome(passed=2, skipped=1) def test_xfail_with_arg(self, pytester: Pytester) -> None: s = """ import pytest @pytest.mark.parametrize(("n", "expected"), [ (1, 2), pytest.param(1, 3, marks=pytest.mark.xfail("True")), (2, 3), ]) def test_increment(n, expected): assert n + 1 == expected """ pytester.makepyfile(s) reprec = pytester.inline_run() reprec.assertoutcome(passed=2, skipped=1) def test_xfail_with_kwarg(self, pytester: Pytester) -> None: s = """ import pytest @pytest.mark.parametrize(("n", "expected"), [ (1, 2), pytest.param(1, 3, marks=pytest.mark.xfail(reason="some bug")), (2, 3), ]) def test_increment(n, expected): assert n + 1 == expected """ pytester.makepyfile(s) reprec = pytester.inline_run() reprec.assertoutcome(passed=2, skipped=1) def test_xfail_with_arg_and_kwarg(self, pytester: Pytester) -> None: s = """ import pytest @pytest.mark.parametrize(("n", "expected"), [ (1, 2), pytest.param(1, 3, marks=pytest.mark.xfail("True", reason="some bug")), (2, 3), ]) def test_increment(n, expected): assert n + 1 == expected """ pytester.makepyfile(s) reprec = pytester.inline_run() reprec.assertoutcome(passed=2, skipped=1) @pytest.mark.parametrize("strict", [True, False]) def test_xfail_passing_is_xpass(self, pytester: Pytester, strict: bool) -> None: s = f""" import pytest m = pytest.mark.xfail("sys.version_info > (0, 0, 0)", reason="some bug", strict={strict}) @pytest.mark.parametrize(("n", "expected"), [ (1, 2), pytest.param(2, 3, marks=m), (3, 4), ]) def test_increment(n, expected): assert n + 1 == expected """ pytester.makepyfile(s) reprec = pytester.inline_run() passed, failed = (2, 1) if strict else (3, 0) reprec.assertoutcome(passed=passed, failed=failed) def test_parametrize_called_in_generate_tests(self, pytester: Pytester) -> None: s = """ import pytest def pytest_generate_tests(metafunc): passingTestData = [(1, 2), (2, 3)] failingTestData = [(1, 3), (2, 2)] testData = passingTestData + [pytest.param(*d, marks=pytest.mark.xfail) for d in failingTestData] metafunc.parametrize(("n", "expected"), testData) def test_increment(n, expected): assert n + 1 == expected """ pytester.makepyfile(s) reprec = pytester.inline_run() reprec.assertoutcome(passed=2, skipped=2) def test_parametrize_ID_generation_string_int_works( self, pytester: Pytester ) -> None: """#290""" pytester.makepyfile( """ import pytest @pytest.fixture def myfixture(): return 'example' @pytest.mark.parametrize( 'limit', (0, '0')) def test_limit(limit, myfixture): return """ ) reprec = pytester.inline_run() reprec.assertoutcome(passed=2) @pytest.mark.parametrize("strict", [True, False]) def test_parametrize_marked_value(self, pytester: Pytester, strict: bool) -> None: s = f""" import pytest @pytest.mark.parametrize(("n", "expected"), [ pytest.param( 2,3, marks=pytest.mark.xfail("sys.version_info > (0, 0, 0)", reason="some bug", strict={strict}), ), pytest.param( 2,3, marks=[pytest.mark.xfail("sys.version_info > (0, 0, 0)", reason="some bug", strict={strict})], ), ]) def test_increment(n, expected): assert n + 1 == expected """ pytester.makepyfile(s) reprec = pytester.inline_run() passed, failed = (0, 2) if strict else (2, 0) reprec.assertoutcome(passed=passed, failed=failed) def test_pytest_make_parametrize_id(self, pytester: Pytester) -> None: pytester.makeconftest( """ def pytest_make_parametrize_id(config, val): return str(val * 2) """ ) pytester.makepyfile( """ import pytest @pytest.mark.parametrize("x", range(2)) def test_func(x): pass """ ) result = pytester.runpytest("-v") result.stdout.fnmatch_lines(["*test_func*0*PASS*", "*test_func*2*PASS*"]) def test_pytest_make_parametrize_id_with_argname(self, pytester: Pytester) -> None: pytester.makeconftest( """ def pytest_make_parametrize_id(config, val, argname): return str(val * 2 if argname == 'x' else val * 10) """ ) pytester.makepyfile( """ import pytest @pytest.mark.parametrize("x", range(2)) def test_func_a(x): pass @pytest.mark.parametrize("y", [1]) def test_func_b(y): pass """ ) result = pytester.runpytest("-v") result.stdout.fnmatch_lines( ["*test_func_a*0*PASS*", "*test_func_a*2*PASS*", "*test_func_b*10*PASS*"] ) def test_parametrize_positional_args(self, pytester: Pytester) -> None: pytester.makepyfile( """ import pytest @pytest.mark.parametrize("a", [1], False) def test_foo(a): pass """ ) result = pytester.runpytest() result.assert_outcomes(passed=1) def test_parametrize_iterator(self, pytester: Pytester) -> None: pytester.makepyfile( """ import itertools import pytest id_parametrize = pytest.mark.parametrize( ids=("param%d" % i for i in itertools.count()) ) @id_parametrize('y', ['a', 'b']) def test1(y): pass @id_parametrize('y', ['a', 'b']) def test2(y): pass @pytest.mark.parametrize("a, b", [(1, 2), (3, 4)], ids=itertools.count()) def test_converted_to_str(a, b): pass """ ) result = pytester.runpytest("-vv", "-s") result.stdout.fnmatch_lines( [ "test_parametrize_iterator.py::test1[param0] PASSED", "test_parametrize_iterator.py::test1[param1] PASSED", "test_parametrize_iterator.py::test2[param0] PASSED", "test_parametrize_iterator.py::test2[param1] PASSED", "test_parametrize_iterator.py::test_converted_to_str[0] PASSED", "test_parametrize_iterator.py::test_converted_to_str[1] PASSED", "*= 6 passed in *", ] )