def test_matcher_should_match_step_impl_with_regex_pattern(mocker):
"""The matcher should match a Step with a parse-type pattern"""
# given
step_impl = StepImpl("Given", re.compile(r"pattern"), None)
registry_mock = mocker.MagicMock()
registry_mock.step_implementations.return_value = [step_impl]
step = Step(1, "Given", "Given", "pattern", None, None, None, None)
step.set_scenario(mocker.MagicMock(name="Scenario"))
# when
match_step(step, registry_mock)
# then
assert step.step_impl == step_impl
assert isinstance(step.step_impl_match, RegexStepImplMatcher.Match)
def test_matcher_should_raise_error_when_no_step_impl_found(mocker):
"""The matcher should raise an error when no Step Implementation is found"""
# given
registry_mock = mocker.MagicMock()
registry_mock.step_implementations.return_value = []
step = Step(1, "Given", "Given", "pattern", None, None, None, None)
step.set_scenario(mocker.MagicMock(name="Scenario"))
# then
with pytest.raises(StepImplementationNotFoundError) as excinfo:
# when
match_step(step, registry_mock)
# then
assert excinfo.value.step == step
def test_matcher_should_match_step_impl_with_step_with_constants(mocker):
"""The matcher should match a Step with Constants"""
# given
step_impl = StepImpl("Given", "pattern with A and B", None)
registry_mock = mocker.MagicMock()
registry_mock.step_implementations.return_value = [step_impl]
step = Step(1, "Given", "Given", "pattern with ${x} and ${y}", None, None,
None, None)
scenario_mock = mocker.MagicMock(name="Scenario")
scenario_mock.constants = {"x": "A", "y": "B"}
step.set_scenario(scenario_mock)
# when
match_step(step, registry_mock)
# then
assert step.step_impl == step_impl
assert isinstance(step.step_impl_match, ParseTypeStepImplMatcher.Match)
def test_matcher_should_raise_error_when_no_matcher_for_pattern_type(mocker):
"""
The matcher should raise an error when no Matcher supports a Step Implementation Pattern Type
"""
# given
class NotSupportedPatternType:
pass
step_impl = StepImpl("Given", NotSupportedPatternType(), None)
registry_mock = mocker.MagicMock()
registry_mock.step_implementations.return_value = [step_impl]
step = Step(1, "Given", "Given", "pattern", None, None, None, None)
step.set_scenario(mocker.MagicMock(name="Scenario"))
# then
with pytest.raises(StepImplementationPatternNotSupported) as excinfo:
# when
match_step(step, registry_mock)
# then
assert excinfo.value.step_impl == step_impl
def test_matcher_should_match_best_step_impl_candidate(mocker):
"""The matcher should match the best matching Step Implementation Candidate"""
# given
step_impl_candidate_1 = StepImpl("Given", re.compile(r"fooo"), None)
step_impl_candidate_2 = StepImpl("Given", re.compile(r"foo"), None)
step_impl_candidate_3 = StepImpl("Given", re.compile(r"foooo"), None)
step_impl_no_candidate = StepImpl("Given", re.compile(r"meh"), None)
registry_mock = mocker.MagicMock()
registry_mock.step_implementations.return_value = [
step_impl_candidate_1,
step_impl_candidate_2,
step_impl_candidate_3,
step_impl_no_candidate,
]
step = Step(1, "Given", "Given", "foo", None, None, None, None)
step.set_scenario(mocker.MagicMock(name="Scenario"))
# when
match_step(step, registry_mock)
# then
assert step.step_impl == step_impl_candidate_2