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MethodAdapterSpec.groovy
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MethodAdapterSpec.groovy
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/*
* Copyright 2017-2019 original authors
*
* 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.
*/
package io.micronaut.aop.adapter
import io.micronaut.context.ApplicationContext
import io.micronaut.context.event.ApplicationEventListener
import io.micronaut.context.event.StartupEvent
import io.micronaut.core.reflect.ReflectionUtils
import io.micronaut.inject.AbstractTypeElementSpec
import io.micronaut.inject.BeanDefinition
class MethodAdapterSpec extends AbstractTypeElementSpec {
void "test method adapter produces additional bean"() {
when:"An adapter method is parsed"
BeanDefinition definition = buildBeanDefinition('test.Test$ApplicationEventListener$onStartup1$Intercepted','''\
package test;
import io.micronaut.aop.*;
import io.micronaut.inject.annotation.*;
import io.micronaut.context.annotation.*;
import io.micronaut.context.event.*;
@javax.inject.Singleton
class Test {
@Adapter(ApplicationEventListener.class)
void onStartup(StartupEvent event) {
}
}
''')
then:"Then a bean is produced that is valid"
definition != null
ApplicationEventListener.isAssignableFrom(definition.getBeanType())
!definition.getTypeArguments(ApplicationEventListener).isEmpty()
definition.getTypeArguments(ApplicationEventListener).get(0).type == StartupEvent
}
void "test method adapter inherited from an interface produces additional bean"() {
when:"An adapter method is parsed"
BeanDefinition definition = buildBeanDefinition('test.Test$ApplicationEventListener$onStartup1$Intercepted','''\
package test;
import io.micronaut.aop.*;
import io.micronaut.inject.annotation.*;
import io.micronaut.context.annotation.*;
import io.micronaut.context.event.*;
@javax.inject.Singleton
class Test implements TestContract {
@Override
public void onStartup(StartupEvent event) {
}
}
interface TestContract {
@Adapter(ApplicationEventListener.class)
void onStartup(StartupEvent event);
}
''')
then:"Then a bean is produced that is valid"
definition != null
ApplicationEventListener.isAssignableFrom(definition.getBeanType())
!definition.getTypeArguments(ApplicationEventListener).isEmpty()
definition.getTypeArguments(ApplicationEventListener).get(0).type == StartupEvent
}
void "test method adapter honours type restraints - correct path"() {
when:"An adapter method is parsed"
BeanDefinition definition = buildBeanDefinition('test.Test$Foo$myMethod1$Intercepted','''\
package test;
import io.micronaut.aop.*;
import io.micronaut.inject.annotation.*;
import io.micronaut.context.annotation.*;
import io.micronaut.context.event.*;
@javax.inject.Singleton
class Test {
@Adapter(Foo.class)
void myMethod(String blah) {
}
}
interface Foo<T extends CharSequence> extends java.util.function.Consumer<T> {}
''')
then:"Then a bean is produced that is valid"
definition != null
ReflectionUtils.getAllInterfaces(definition.getBeanType()).find { it.name == 'test.Foo'}
!definition.getTypeArguments("test.Foo").isEmpty()
definition.getTypeArguments("test.Foo").get(0).type == String
}
void "test method adapter honours type restraints - compilation error"() {
when:"An adapter method is parsed"
BeanDefinition definition = buildBeanDefinition('test.Test$Foo$myMethod$Intercepted','''\
package test;
import io.micronaut.aop.*;
import io.micronaut.inject.annotation.*;
import io.micronaut.context.annotation.*;
import io.micronaut.context.event.*;
@javax.inject.Singleton
class Test {
@Adapter(Foo.class)
void myMethod(Integer blah) {
}
}
interface Foo<T extends CharSequence> extends java.util.function.Consumer<T> {}
''')
then:"An error occurs"
def e = thrown(RuntimeException)
e.message.contains 'Cannot adapt method [myMethod(java.lang.Integer)] to target method [accept(T)]. Type [java.lang.Integer] is not a subtype of type [java.lang.CharSequence] for argument at position 0'
}
void "test method adapter wrong argument count"() {
when:"An adapter method is parsed"
buildBeanDefinition('test.Test$ApplicationEventListener$onStartup$Intercepted','''\
package test;
import io.micronaut.aop.*;
import io.micronaut.inject.annotation.*;
import io.micronaut.context.annotation.*;
import io.micronaut.context.event.*;
@javax.inject.Singleton
class Test {
@Adapter(ApplicationEventListener.class)
void onStartup(StartupEvent event, boolean stuff) {
}
}
''')
then:"Then a bean is produced that is valid"
def e = thrown(RuntimeException)
e.message.contains("Cannot adapt method [onStartup(io.micronaut.context.event.StartupEvent,boolean)] to target method [onApplicationEvent(E)]. Argument lengths don't match.")
}
void "test adapter is invoked"() {
given:
ApplicationContext ctx = ApplicationContext.run()
when:
Test t = ctx.getBean(Test)
then:
t.invoked
cleanup:
ctx.close()
}
}