| /** |
| * Copyright (C) 2008 Google Inc. |
| * |
| * 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 com.google.inject.grapher; |
| |
| import static org.easymock.EasyMock.createMock; |
| import static org.easymock.EasyMock.expectLastCall; |
| import static org.easymock.EasyMock.replay; |
| import static org.easymock.EasyMock.verify; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Lists; |
| import com.google.inject.AbstractModule; |
| import com.google.inject.Guice; |
| import com.google.inject.Inject; |
| import com.google.inject.Injector; |
| import com.google.inject.Key; |
| import com.google.inject.spi.ConstructorBinding; |
| import com.google.inject.spi.Dependency; |
| import com.google.inject.spi.HasDependencies; |
| import com.google.inject.spi.InjectionPoint; |
| import com.google.inject.spi.InstanceBinding; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Set; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Tests for {@link GraphingVisitor}. |
| * |
| * @author phopkins@gmail.com (Pete Hopkins) |
| */ |
| public class GraphingVisitorTest extends TestCase { |
| private NodeIdFactory<String> nodeIdFactory; |
| private InterfaceNode.Factory<String, InterfaceNode<String>> interfaceNodeFactory; |
| private ImplementationNode.Factory<String, ImplementationNode<String>> implementationNodeFactory; |
| private BindingEdge.Factory<String, BindingEdge<String>> bindingEdgeFactory; |
| private DependencyEdge.Factory<String, DependencyEdge<String>> dependencyEdgeFactory; |
| private NodeAliasFactory<String> nodeAliasFactory; |
| |
| private GraphingVisitor<String, InterfaceNode<String>, ImplementationNode<String>, |
| BindingEdge<String>, DependencyEdge<String>> graphingVisitor; |
| |
| private List<Object> mocks; |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| |
| mocks = Lists.newArrayList(); |
| |
| nodeIdFactory = new StringNodeIdFactory(); |
| interfaceNodeFactory = recordMock(createMock(InterfaceNode.Factory.class)); |
| implementationNodeFactory = recordMock(createMock(ImplementationNode.Factory.class)); |
| bindingEdgeFactory = recordMock(createMock(BindingEdge.Factory.class)); |
| dependencyEdgeFactory = new DependencyEdgeFactory(); |
| nodeAliasFactory = recordMock(createMock(NodeAliasFactory.class)); |
| |
| graphingVisitor = new GraphingVisitor<String, InterfaceNode<String>, |
| ImplementationNode<String>, BindingEdge<String>, DependencyEdge<String>>( |
| nodeIdFactory, interfaceNodeFactory, implementationNodeFactory, |
| bindingEdgeFactory, dependencyEdgeFactory, nodeAliasFactory); |
| } |
| |
| private <T> T recordMock(T mock) { |
| mocks.add(mock); |
| return mock; |
| } |
| |
| public void testNewDependencies_withInjectionPoints() throws Exception { |
| @SuppressWarnings("unchecked") |
| ImplementationNode<String> node = recordMock(createMock(ImplementationNode.class)); |
| |
| node.addMember(Obj.class.getDeclaredField("string")); |
| expectLastCall(); |
| node.addMember(Obj.class.getDeclaredField("integer")); |
| expectLastCall(); |
| node.addMember(Obj.class.getDeclaredField("bool")); |
| expectLastCall(); |
| node.addMember(Obj.class.getDeclaredMethod("setInteger", Integer.class)); |
| expectLastCall(); |
| |
| replayAll(); |
| |
| Injector injector = Guice.createInjector(new ClassModule()); |
| ConstructorBinding<?> binding = (ConstructorBinding<?>) injector.getBinding(Obj.class); |
| |
| Collection<DependencyEdge<String>> edges = graphingVisitor.newDependencyEdges("", node, |
| binding.getDependencies()); |
| |
| assertEquals("There should be four edges, from the three fields plus the method", |
| 4, edges.size()); |
| |
| verifyAll(); |
| } |
| |
| public void testNewDependencies_withDependencies() throws Exception { |
| @SuppressWarnings("unchecked") |
| ImplementationNode<String> node = recordMock(createMock(ImplementationNode.class)); |
| // No members should be added to the node, since the stated dependencies |
| // have no associated {@link InjectionPoint}s. |
| |
| replayAll(); |
| |
| Injector injector = Guice.createInjector(new ClassModule(), new InstanceModule()); |
| InstanceBinding<?> binding = (InstanceBinding<?>) injector.getBinding(Obj.class); |
| |
| Collection<DependencyEdge<String>> edges = graphingVisitor.newDependencyEdges("", node, |
| binding.getDependencies()); |
| |
| assertEquals("One edge should be created, for the one stated Integer dependency", |
| 1, edges.size()); |
| |
| verifyAll(); |
| } |
| |
| private void replayAll() { |
| for (Object mock : mocks) { |
| replay(mock); |
| } |
| } |
| |
| private void verifyAll() { |
| for (Object mock : mocks) { |
| verify(mock); |
| } |
| } |
| |
| private class DependencyEdgeFactory |
| implements DependencyEdge.Factory<String, DependencyEdge<String>> { |
| public DependencyEdge<String> newDependencyEdge(String fromId, |
| InjectionPoint fromPoint, String toId) { |
| @SuppressWarnings("unchecked") |
| DependencyEdge<String> edge = createMock(DependencyEdge.class); |
| return edge; |
| } |
| } |
| |
| private static class ClassModule extends AbstractModule { |
| @Override |
| protected void configure() { |
| bind(String.class).toInstance("String"); |
| bind(Integer.class).toInstance(Integer.valueOf(8)); |
| bind(Boolean.class).toInstance(Boolean.TRUE); |
| } |
| } |
| |
| private static class InstanceModule extends AbstractModule { |
| @Override |
| protected void configure() { |
| bind(Obj.class).toInstance(new Obj()); |
| } |
| } |
| |
| private static class Obj implements HasDependencies { |
| @Inject String string; |
| @Inject Integer integer; |
| @Inject Boolean bool; |
| |
| @Inject void setInteger(Integer integer) {} |
| |
| public Set<Dependency<?>> getDependencies() { |
| return ImmutableSet.<Dependency<?>>of(Dependency.get(Key.get(Integer.class))); |
| } |
| } |
| } |