/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.cayenne.di.spi;
import org.apache.cayenne.di.Binder;
import org.apache.cayenne.di.DIBootstrap;
import org.apache.cayenne.di.Injector;
import org.apache.cayenne.di.Module;
import org.junit.Test;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class ModuleLoaderTest {
@Test
public void testLoad() {
List<Module> modules = new ModuleLoader().load(ModuleProvider.class);
assertEquals(4, modules.size());
assertTrue(String.valueOf(modules.get(0)), modules.get(0) instanceof Module3);
assertTrue(String.valueOf(modules.get(1)), modules.get(1) instanceof Module4);
assertTrue(String.valueOf(modules.get(2)), modules.get(2) instanceof Module2);
assertTrue(String.valueOf(modules.get(3)), modules.get(3) instanceof Module1);
Injector i = DIBootstrap.createInjector(modules);
assertEquals("a", i.getInstance(String.class));
assertEquals(Integer.valueOf(56), i.getInstance(Integer.class));
}
@Test
public void testLoadCustom() {
List<Module> modules = new ModuleLoader().load(CustomModuleProvider.class);
assertEquals(2, modules.size());
assertTrue(String.valueOf(modules.get(0)), modules.get(0) instanceof Module5);
assertTrue(String.valueOf(modules.get(1)), modules.get(1) instanceof Module6);
Injector i = DIBootstrap.createInjector(modules);
assertEquals(Integer.valueOf(66), i.getInstance(Integer.class));
}
public static class Module1 implements Module {
@Override
public void configure(Binder binder) {
binder.bind(String.class).toInstance("a");
}
}
public static class Module2 implements Module {
@Override
public void configure(Binder binder) {
binder.bind(String.class).toInstance("b");
}
}
public static class Module3 implements Module {
@Override
public void configure(Binder binder) {
binder.bind(Integer.class).toInstance(66);
}
}
public static class Module4 implements Module {
@Override
public void configure(Binder binder) {
binder.bind(Integer.class).toInstance(56);
}
}
public static class Module5 implements Module {
@Override
public void configure(Binder binder) {
binder.bind(Integer.class).toInstance(56);
}
}
public static class Module6 implements Module {
@Override
public void configure(Binder binder) {
binder.bind(Integer.class).toInstance(66);
}
}
public static class ModuleProvider1 implements ModuleProvider {
@Override
public Module module() {
return new Module1();
}
@Override
public Class<? extends Module> moduleType() {
return Module1.class;
}
@SuppressWarnings("unchecked")
@Override
public Collection<Class<? extends Module>> overrides() {
Collection c = Collections.singletonList(Module2.class);
return c;
}
}
public static class ModuleProvider2 implements ModuleProvider {
@Override
public Module module() {
return new Module2();
}
@Override
public Class<? extends Module> moduleType() {
return Module2.class;
}
@SuppressWarnings("unchecked")
@Override
public Collection<Class<? extends Module>> overrides() {
Collection c = Collections.singletonList(Module4.class);
return c;
}
}
public static class ModuleProvider3 implements ModuleProvider {
@Override
public Module module() {
return new Module3();
}
@Override
public Class<? extends Module> moduleType() {
return Module3.class;
}
@Override
public Collection<Class<? extends Module>> overrides() {
return Collections.emptyList();
}
}
public static class ModuleProvider4 implements ModuleProvider {
@Override
public Module module() {
return new Module4();
}
@Override
public Class<? extends Module> moduleType() {
return Module4.class;
}
@Override
@SuppressWarnings("unchecked")
public Collection<Class<? extends Module>> overrides() {
Collection c = Collections.singletonList(Module3.class);
return c;
}
}
public static class ModuleProvider5 implements CustomModuleProvider {
@Override
public Module module() {
return new Module5();
}
@Override
public Class<? extends Module> moduleType() {
return Module5.class;
}
@Override
public Collection<Class<? extends Module>> overrides() {
return Collections.emptyList();
}
}
public static class ModuleProvider6 implements CustomModuleProvider {
@Override
public Module module() {
return new Module6();
}
@Override
public Class<? extends Module> moduleType() {
return Module6.class;
}
@Override
@SuppressWarnings("unchecked")
public Collection<Class<? extends Module>> overrides() {
Collection c = Collections.singletonList(Module5.class);
return c;
}
}
}