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#!/usr/bin/env python3
# Copyright 2016 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS-IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from absl.testing import parameterized
from fruit_test_common import *
COMMON_DEFINITIONS = '''
#include "test_common.h"
template <typename T>
class V {};
template <typename T>
class X {
private:
X() {}
public:
INJECT(X(ASSISTED(int))) {
}
};
using XFactory = std::function<X<V<float>>(int)>;
'''
class TestMisc(parameterized.TestCase):
def test_misc(self):
source = '''
fruit::Component<X<V<float>>> getXProvider2() {
return fruit::createComponent()
.registerProvider([](){return X<V<float>>(1);});
}
struct AssistedMultiparamExample {
INJECT(AssistedMultiparamExample(ASSISTED(std::map<int, float>))) {}
};
struct Implementation1 {
bool constructed = true;
Implementation1(V<int>&&, XFactory) {
std::cout << "Called Implementation1() for object " << this << std::endl;
}
Implementation1() = delete;
Implementation1(const Implementation1&) = delete;
Implementation1& operator=(const Implementation1&) = delete;
Implementation1& operator=(Implementation1&&) = delete;
Implementation1(Implementation1&&) {
std::cout << "Moving an Implementation1 into object" << this << std::endl;
}
~Implementation1() {
std::cout << "Called ~Implementation1() for object " << this << std::endl;
constructed = 0;
}
int x;
};
struct Interface2 {
virtual void f() = 0;
};
struct Implementation2 : public Interface2 {
INJECT(Implementation2(std::function<Implementation1(int)>)) {
std::cout << "Called Implementation2()" << std::endl;
}
virtual ~Implementation2() {}
virtual void f() {};
};
fruit::Component<Interface2, XFactory, std::function<Implementation1(int)>> getParentComponent() {
return fruit::createComponent()
.registerFactory<Implementation1(fruit::Assisted<int>, XFactory)>(
[](int, XFactory xFactory) {
return Implementation1(V<int>(), xFactory);
})
.bind<Interface2, Implementation2>();
}
//*************************************
struct Interface3 {
virtual void f() = 0;
};
struct Implementation3 : public Interface3 {
INJECT(Implementation3(Implementation2*, fruit::Provider<Implementation2> provider)) {
(void) provider.get();
std::cout << "Called Implementation2()" << std::endl;
}
virtual ~Implementation3() {}
virtual void f() {};
};
fruit::Component<Interface3, std::function<Implementation1(int)>> getMyComponent() {
return fruit::createComponent()
// Must fail at runtime.
// .install(getXProvider2)
.bind<Interface3, Implementation3>()
.install(getParentComponent);
}
fruit::Component<std::function<AssistedMultiparamExample(std::map<int, float>)>> getAssistedMultiparamExampleComponent() {
return fruit::createComponent();
}
int main() {
fruit::Injector<
Interface3,
// XFactory,
std::function<Implementation1(int)>
> oldInjector(getMyComponent);
// The move is completely unnecessary, it's just to check that it works.
fruit::Injector<
Interface3,
// XFactory,
std::function<Implementation1(int)>
> injector(std::move(oldInjector));
std::cout << "Constructing an Interface3" << std::endl;
Interface3* interface3(injector);
std::cout << std::endl;
(void) interface3;
std::cout << "Constructing another Interface3" << std::endl;
Interface3* interface3_obj2 = injector.get<Interface3*>();
std::cout << std::endl;
(void) interface3_obj2;
std::function<Implementation1(int)> implementation1Factory(injector);
{
std::cout << "Constructing another Implementation1" << std::endl;
Implementation1 implementation1 = implementation1Factory(12);
(void) implementation1;
}
std::cout << "Destroying injector" << std::endl;
fruit::Injector<std::function<AssistedMultiparamExample(std::map<int, float>)>> assistedMultiparamExampleInjector(
getAssistedMultiparamExampleComponent);
return 0;
}
'''
expect_success(
COMMON_DEFINITIONS,
source,
locals())
if __name__ == '__main__':
absltest.main()
|
