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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.
import pytest
from fruit_test_common import *
COMMON_DEFINITIONS = '''
#include "test_common.h"
struct Annotation1 {};
struct Annotation2 {};
template <typename T>
using WithNoAnnot = T;
template <typename T>
using WithAnnot1 = fruit::Annotated<Annotation1, T>;
template <typename T>
using WithAnnot2 = fruit::Annotated<Annotation2, T>;
'''
@pytest.mark.parametrize('IAnnot,XAnnot,WithAnnot', [
('I', 'X', 'WithNoAnnot'),
('fruit::Annotated<Annotation1, I>', 'fruit::Annotated<Annotation2, X>', 'WithAnnot1'),
])
def test_provider_returning_value_success_with_annotation(IAnnot, XAnnot, WithAnnot):
source = '''
struct I {
int value = 5;
};
struct X : public I, ConstructionTracker<X> {
};
fruit::Component<IAnnot> getComponent() {
return fruit::createComponent()
.registerProvider<XAnnot()>([](){return X();})
.bind<IAnnot, XAnnot>();
}
int main() {
fruit::Injector<IAnnot> injector(getComponent);
Assert((injector.get<WithAnnot<I >>() .value == 5));
Assert((injector.get<WithAnnot<I* >>()->value == 5));
Assert((injector.get<WithAnnot<I& >>() .value == 5));
Assert((injector.get<WithAnnot<const I >>() .value == 5));
Assert((injector.get<WithAnnot<const I* >>()->value == 5));
Assert((injector.get<WithAnnot<const I& >>() .value == 5));
Assert((injector.get<WithAnnot<std::shared_ptr<I>>>()->value == 5));
Assert(fruit::impl::InjectorAccessorForTests::unsafeGet<WithAnnot<X>>(injector) == nullptr);
Assert(X::num_objects_constructed == 1);
}
'''
expect_success(
COMMON_DEFINITIONS,
source,
locals())
@pytest.mark.parametrize('IAnnot,XAnnot,XPtrAnnot,WithAnnot', [
('I', 'X', 'X*', 'WithNoAnnot'),
('fruit::Annotated<Annotation1, I>', 'fruit::Annotated<Annotation2, X>', 'fruit::Annotated<Annotation2, X*>', 'WithAnnot1'),
])
def test_provider_returning_pointer_success_with_annotation(IAnnot, XAnnot, XPtrAnnot, WithAnnot):
source = '''
struct I {
int value = 5;
};
struct X : public I, ConstructionTracker<X> {
};
fruit::Component<IAnnot> getComponent() {
return fruit::createComponent()
.registerProvider<XPtrAnnot()>([](){return new X();})
.bind<IAnnot, XAnnot>();
}
int main() {
fruit::Injector<IAnnot> injector(getComponent);
Assert((injector.get<WithAnnot<I >>() .value == 5));
Assert((injector.get<WithAnnot<I* >>()->value == 5));
Assert((injector.get<WithAnnot<I& >>() .value == 5));
Assert((injector.get<WithAnnot<const I >>() .value == 5));
Assert((injector.get<WithAnnot<const I* >>()->value == 5));
Assert((injector.get<WithAnnot<const I& >>() .value == 5));
Assert((injector.get<WithAnnot<std::shared_ptr<I>>>()->value == 5));
Assert(fruit::impl::InjectorAccessorForTests::unsafeGet<WithAnnot<X>>(injector) == nullptr);
Assert(X::num_objects_constructed == 1);
}
'''
expect_success(
COMMON_DEFINITIONS,
source,
locals())
def test_compression_undone():
source = '''
struct I1 {};
struct C1 : public I1, ConstructionTracker<C1> {
INJECT(C1()) = default;
};
struct I2 {};
struct C2 : public I2 {
INJECT(C2(I1*)) {}
};
fruit::Component<I1> getI1Component() {
return fruit::createComponent()
.bind<I1, C1>();
}
fruit::Component<I2> getI2Component() {
return fruit::createComponent()
.install(getI1Component)
.bind<I2, C2>();
}
struct X {
// Intentionally C1 and not I1. This prevents binding compression for the I1->C1 edge.
INJECT(X(C1*)) {}
};
fruit::Component<X> getXComponent() {
return fruit::createComponent();
}
int main() {
// Here the binding C2->I1->C1 is compressed into C2->C1.
fruit::NormalizedComponent<I2> normalizedComponent(getI2Component);
// However the binding X->C1 prevents binding compression on I1->C1, the binding compression must be undone.
fruit::Injector<I2, X> injector(normalizedComponent, getXComponent);
Assert(C1::num_objects_constructed == 0);
injector.get<I2*>();
injector.get<X*>();
Assert(fruit::impl::InjectorAccessorForTests::unsafeGet<C1>(injector) != nullptr);
Assert(C1::num_objects_constructed == 1);
}
'''
expect_success(
COMMON_DEFINITIONS,
source)
if __name__== '__main__':
main(__file__)
|
