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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"
struct X;
struct Annotation1 {};
using XAnnot1 = fruit::Annotated<Annotation1, X>;
struct Annotation2 {};
using XAnnot2 = fruit::Annotated<Annotation2, X>;
struct Annotation3 {};
using XAnnot3 = fruit::Annotated<Annotation3, X>;
'''
class TestDependencyLoop(parameterized.TestCase):
@parameterized.parameters([
('X', 'const X&', 'Y', 'const Y&'),
('fruit::Annotated<Annotation1, X>', 'ANNOTATED(Annotation1, const X&)',
'fruit::Annotated<Annotation2, Y>', 'ANNOTATED(Annotation2, const Y&)')
])
def test_loop_in_autoinject(self, XAnnot, XConstRefAnnot, YAnnot, YConstRefAnnot):
source = '''
struct Y;
struct X {
INJECT(X(YConstRefAnnot)) {};
};
struct Y {
INJECT(Y(XConstRefAnnot)) {};
};
fruit::Component<XAnnot> mutuallyConstructibleComponent() {
return fruit::createComponent();
}
'''
expect_compile_error(
'SelfLoopError<XAnnot,YAnnot>',
'Found a loop in the dependencies',
COMMON_DEFINITIONS,
source,
locals())
@parameterized.parameters([
('X', 'const X', 'const X&', 'Y', 'const Y&'),
('fruit::Annotated<Annotation1, X>', 'ANNOTATED(Annotation1, const X)', 'ANNOTATED(Annotation1, const X&)',
'fruit::Annotated<Annotation2, Y>', 'ANNOTATED(Annotation2, const Y&)')
])
def test_loop_in_autoinject_const(self, XAnnot, ConstXAnnot, XConstRefAnnot, YAnnot, YConstRefAnnot):
source = '''
struct Y;
struct X {
INJECT(X(YConstRefAnnot)) {};
};
struct Y {
INJECT(Y(XConstRefAnnot)) {};
};
fruit::Component<ConstXAnnot> mutuallyConstructibleComponent() {
return fruit::createComponent();
}
'''
expect_compile_error(
'SelfLoopError<XAnnot,YAnnot>',
'Found a loop in the dependencies',
COMMON_DEFINITIONS,
source,
locals())
def test_loop_in_register_provider(self):
source = '''
struct X {};
struct Y {};
fruit::Component<X> mutuallyConstructibleComponent() {
return fruit::createComponent()
.registerProvider<X(Y)>([](Y) {return X();})
.registerProvider<Y(X)>([](X) {return Y();});
}
'''
expect_compile_error(
'SelfLoopError<X,Y>',
'Found a loop in the dependencies',
COMMON_DEFINITIONS,
source,
locals())
def test_loop_in_register_provider_with_annotations(self):
source = '''
struct X {};
fruit::Component<fruit::Annotated<Annotation1, X>> mutuallyConstructibleComponent() {
return fruit::createComponent()
.registerProvider<fruit::Annotated<Annotation1, X>(fruit::Annotated<Annotation2, X>)>([](X x) {return x;})
.registerProvider<fruit::Annotated<Annotation2, X>(fruit::Annotated<Annotation1, X>)>([](X x) {return x;});
}
'''
expect_compile_error(
'SelfLoopError<fruit::Annotated<Annotation1, X>, fruit::Annotated<Annotation2, X>>',
'Found a loop in the dependencies',
COMMON_DEFINITIONS,
source,
locals())
def test_with_different_annotations_ok(self):
source = '''
struct X {};
fruit::Component<XAnnot3> getComponent() {
return fruit::createComponent()
.registerProvider<XAnnot1()>([](){return X();})
.registerProvider<XAnnot2(XAnnot1)>([](X x){return x;})
.registerProvider<XAnnot3(XAnnot2)>([](X x){return x;});
}
int main() {
fruit::Injector<XAnnot3> injector(getComponent);
injector.get<XAnnot3>();
}
'''
expect_success(
COMMON_DEFINITIONS,
source)
if __name__ == '__main__':
absltest.main()
|
