Python Spec.__call__方法代码示例

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
    def should_mimic_specification(self):
        ''' result_of should be callable and return specified value or raise
        specified exception '''
        mock_call = MockSpec().foo()
        mock_call_result = mock_call.result_of('foo')
        spec = Spec(mock_call_result)
        spec.__call__().should_be(None)
    
        mock_call = MockSpec().foo().will_return(1)
        mock_call_result = mock_call.result_of('foo')
        spec = Spec(mock_call_result)
        spec.__call__().should_be(1)
        
        mock_call = MockSpec().foo().will_return((2, 3))
        mock_call_result = mock_call.result_of('foo')
        spec = Spec(mock_call_result)
        spec.__call__().should_be((2, 3))

        mock_call = MockSpec().foo().will_raise(StopIteration)
        mock_call_result = mock_call.result_of('foo')
        spec = Spec(mock_call_result)
        spec.__call__().should_raise(StopIteration)

        value_error = ValueError("that's no ordinary rabbit")
        mock_spec = MockSpec()
        mock_call = mock_spec.foo().will_raise(value_error)
        mock_call_result = mock_call.result_of('foo')
        spec = Spec(mock_call_result)
        spec.__call__().should_raise(value_error)
        # check that after exception raised the collaboration is 'over' 
        Spec(mock_spec).verify().should_not_raise(UnmetSpecification)

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
def spec_getattr_behaviour(): 
    ''' getattr from spec should return wrapper for unknown attributes '''
    spec = Spec(lambda: getattr(Spec('grail'), 'should'))
    spec.__call__().should_not_be(Type(WrapFunction)) # Spec.should() exists
    
    spec = Spec(lambda: getattr(Spec('life'), 'death'))
    spec.__call__().should_be(Type(WrapFunction))  # Spec.death() not exists

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
 def can_override_comparators(self):
     ''' should be able to specify any comparator for arg verification '''
     mock_spec = MockSpec(comparators={Exception:Nothing})
     mock_call = mock_spec.your_mother(TypeError('hamster'))
     mock_call_result = mock_call.result_of('your_mother')
     spec = Spec(mock_call_result)
     spec.__call__(TypeError('hamster')).should_raise(UnmetSpecification)

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
 def override_comparators_dont_replace_all(self):
     ''' comparator overrides only affect comparator used for that type '''
     mock_spec = MockSpec(comparators={float:EqualsEquals})
     mock_call = mock_spec.your_mother(TypeError('hamster'))
     mock_call_result = mock_call.result_of('your_mother')
     spec = Spec(mock_call_result)
     spec.__call__(TypeError('hamster'))
     spec.should_not_raise(UnmetSpecification)

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
 def should_delegate_eq(self):
     ''' base Comparator should delegate __eq__ to compare_to. '''
     #TODO: nicer way of forcing spec to use underlying __eq__
     base_comparator_equals = Comparator(1).__eq__
     spec = Spec(base_comparator_equals)
     spec.__call__(1).should_be(False)
     spec.__call__(2).should_be(False)
     spec.__call__(int).should_be(False)

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
def given_typechecking_behaviour():
    ''' Spec for check that given=... is correct type '''
    def spec_for_dict_given_empty_list():
        ''' callable method to defer instance creation until within Spec '''
        return Spec(type({}), given=lambda: [])
    
    spec = Spec(spec_for_dict_given_empty_list)
    type_error = TypeError("[] is not instance of <class 'dict'>")
    spec.__call__().should_raise(type_error)

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
 def verify_exceptions_with_comparator(self):
     ''' ExceptionValue should be used to verify Exception args '''
     mock_call = MockSpec().your_mother(TypeError('hamster'))
     mock_call_result = mock_call.result_of('your_mother')
     spec = Spec(mock_call_result)
     spec.__call__(TypeError('hamster'))
     spec.should_not_raise(UnmetSpecification)
     
     mock_call = MockSpec().your_father(smelt_of=TypeError('elderberries'))
     mock_call_result = mock_call.result_of('your_father')
     spec = Spec(mock_call_result)
     spec.__call__(smelt_of=TypeError('elderberries'))
     spec.should_not_raise(UnmetSpecification)

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
 def should_verify_args_specification(self):
     ''' result_of should verify the args specification and supply a 
     meaningful message if specification is unmet '''
     mock_call = MockSpec(name='a').foo()
     mock_call_result = mock_call.result_of('foo')
     spec = Spec(mock_call_result)
     msg = 'should be collaborating with a.foo(), not a.foo(1)'
     spec.__call__(1).should_raise(UnmetSpecification(msg))
     
     mock_call = MockSpec(name='b').foo(1)
     mock_call_result = mock_call.result_of('foo')
     spec = Spec(mock_call_result)
     msg = "should be collaborating with b.foo(1), not b.foo('1')"
     spec.__call__('1').should_raise(UnmetSpecification(msg))
     
     mock_call = MockSpec(name='c').foo(1)
     mock_call_result = mock_call.result_of('foo')
     spec = Spec(mock_call_result)
     msg = 'should be collaborating with c.foo(1), not c.foo()'
     spec.__call__().should_raise(UnmetSpecification(msg))
     
     mock_call = MockSpec(name='d').foo(1)
     mock_call_result = mock_call.result_of('foo')
     spec = Spec(mock_call_result)
     msg = 'should be collaborating with d.foo(1), not d.foo(2)'
     spec.__call__(2).should_raise(UnmetSpecification(msg))
     
     mock_call = MockSpec(name='e').foo(1)
     mock_call_result = mock_call.result_of('foo')
     spec = Spec(mock_call_result)
     spec.__call__(1).should_not_raise(UnmetSpecification)
     
     mock_call = MockSpec(name='f').foo(1).will_return(2)
     mock_call_result = mock_call.result_of('foo')
     spec = Spec(mock_call_result)
     spec.__call__(1).should_be(2)
     
     mock_call = MockSpec(name='g').bar(keyword='named argument')
     mock_call_result = mock_call.result_of('bar')
     spec = Spec(mock_call_result)
     msg = "should be collaborating with g.bar(keyword='named argument'), "\
             + "not g.bar(keyword='wrong argument')"
     spec.__call__(keyword='wrong argument').should_raise(
             UnmetSpecification(msg))
 
     mock_call = MockSpec(name='h').bar(keyword='named argument')
     mock_call_result = mock_call.result_of('bar')
     spec = Spec(mock_call_result)
     msg = "should be collaborating with h.bar(keyword='named argument'), "\
             + "not h.bar(bad_keyword='named argument')"
     spec.__call__(bad_keyword='named argument').should_raise(
             UnmetSpecification(msg))
         
     mock_call = MockSpec(name='i').bar(keyword='named argument')
     mock_call_result = mock_call.result_of('bar')
     spec = Spec(mock_call_result)
     spec.__call__(keyword='named argument').should_not_raise(
             UnmetSpecification)
         
     mock_call = MockSpec(name='j').bar(
             keyword='named argument').will_return('monty')
     mock_call_result = mock_call.result_of('bar')
     spec = Spec(mock_call_result)
     spec.__call__(keyword='named argument').should_be('monty')

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
 def verify_floats_with_comparator(self):
     ''' FloatValue should be used to verify float args '''
     mock_call = MockSpec().kernigget(3.14)
     mock_call_result = mock_call.result_of('kernigget')
     spec = Spec(mock_call_result)
     spec.__call__(3.141).should_not_raise(UnmetSpecification)

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
def result_of_successive_times():
    ''' result_of should "iterate" over will_return value(s) and
    provide a meaningful error message if the specification is unmet'''
    mock_call = MockSpec(name='x').foo().times(2).will_return(3, 4)
    spec = Spec(mock_call.result_of('foo'))
    spec.__call__().should_be(3)
    spec = Spec(mock_call.result_of('foo'))
    spec.__call__().should_be(4)
    spec = Spec(mock_call.result_of('foo'))
    msg = 'should be collaborating with x.foo() only 2 successive times'
    spec.__call__().should_raise(UnmetSpecification(msg))
    
    mock_call = MockSpec(name='y').bar().times(3).will_return(5)
    spec = Spec(mock_call.result_of('bar'))
    spec.__call__().should_be(5)
    spec = Spec(mock_call.result_of('bar'))
    spec.__call__().should_be(5)
    spec = Spec(mock_call.result_of('bar'))
    spec.__call__().should_be(5)
    spec = Spec(mock_call.result_of('bar'))
    msg = 'should be collaborating with y.bar() only 3 successive times'
    spec.__call__().should_raise(UnmetSpecification(msg))

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
def mock_call_call_returns_self():
    '''making a mock call should return the mock call'''
    mock_call = MockSpec().foo
    spec = Spec(mock_call)
    spec.__call__().should_be(mock_call)

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
 def should_wrap_modulefunctions(self):
     """Wrapping module functions and instance methods should be possible"""
     spec = Spec(WrapFunction(None, number_one, "number_one"))
     spec.when(spec.__call__()).then(spec.result()).should_be(1)

# 需要导入模块: from lancelot import Spec [as 别名]
# 或者: from lancelot.Spec import __call__ [as 别名]
 def result_invoke_underlying(self):
     """result() should invoke the wrapped function and return its result"""
     spec = Spec(WrapFunction(None, "a", "startswith"))
     spec.when(spec.__call__("a")).then(spec.result()).should_be(True)
     spec.when(spec.__call__("b")).then(spec.result()).should_be(False)