def test_init_function_is_called_when_invoking_get_instance(self):
init_function = FunctionMock()
proxy = ExpensiveResourceProxy(init_function)
proxy.get_instance()
assert_that(init_function.has_been_called)
def test_init_function_is_called_when_invoking_get_instance(self):
init_function = FunctionMock()
proxy = ExpensiveResourceProxy(init_function)
proxy.get_instance()
assert_that(init_function.has_been_called)
def test_result_of_init_function_is_cached_by_the_proxy(self):
init_function = FunctionMock()
proxy = ExpensiveResourceProxy(init_function)
first_instance = proxy.get_instance()
second_instance = proxy.get_instance()
assert_that(init_function.number_of_calls, equal_to(1))
assert_that(first_instance is second_instance)
def test_result_of_init_function_is_cached_by_the_proxy(self):
init_function = FunctionMock()
proxy = ExpensiveResourceProxy(init_function)
first_instance = proxy.get_instance()
second_instance = proxy.get_instance()
assert_that(init_function.number_of_calls, equal_to(1))
assert_that(first_instance is second_instance)
def test_init_function_is_used_for_getting_the_instance(self):
proxy = ExpensiveResourceProxy(FunctionMock())
instance = proxy.get_instance()
assert_that(instance, equal_to(EXPENSIVE_RESOURCE_STUB))
def test_init_function_is_used_for_getting_the_instance(self):
proxy = ExpensiveResourceProxy(FunctionMock())
instance = proxy.get_instance()
assert_that(instance, equal_to(EXPENSIVE_RESOURCE_STUB))
