# This file is part of Hypothesis, which may be found at
# https://github.com/HypothesisWorks/hypothesis/
#
# Most of this work is copyright (C) 2013-2020 David R. MacIver
# (david@drmaciver.com), but it contains contributions by others. See
# CONTRIBUTING.rst for a full list of people who may hold copyright, and
# consult the git log if you need to determine who owns an individual
# contribution.
#
# This Source Code Form is subject to the terms of the Mozilla Public License,
# v. 2.0. If a copy of the MPL was not distributed with this file, You can
# obtain one at https://mozilla.org/MPL/2.0/.
#
# END HEADER

from hypothesis import HealthCheck, given, reject, settings
from hypothesis.errors import InvalidArgument, Unsatisfiable
from hypothesis.strategies import integers
from tests.common.utils import raises


def test_contains_the_test_function_name_in_the_exception_string():
    look_for_one = settings(max_examples=1, suppress_health_check=HealthCheck.all())

    @given(integers())
    @look_for_one
    def this_has_a_totally_unique_name(x):
        reject()

    with raises(Unsatisfiable) as e:
        this_has_a_totally_unique_name()
    assert this_has_a_totally_unique_name.__name__ in e.value.args[0]

    class Foo:
        @given(integers())
        @look_for_one
        def this_has_a_unique_name_and_lives_on_a_class(self, x):
            reject()

    with raises(Unsatisfiable) as e:
        Foo().this_has_a_unique_name_and_lives_on_a_class()
    assert (Foo.this_has_a_unique_name_and_lives_on_a_class.__name__) in e.value.args[0]


def test_signature_mismatch_error_message():
    # Regression test for issue #1978

    @settings(max_examples=2)
    @given(x=integers())
    def bad_test():
        pass

    try:
        bad_test()
    except InvalidArgument as e:
        assert (
            str(e) == "bad_test() got an unexpected keyword argument 'x', "
            "from `x=integers()` in @given"
        )