/*
* Copyright (c) 2007 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
package org.mockito.internal.configuration;
import org.mockito.*;
import org.mockito.configuration.AnnotationEngine;
import org.mockito.internal.configuration.injection.scanner.InjectMocksScanner;
import org.mockito.internal.configuration.injection.scanner.MockScanner;
import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.util.HashSet;
import java.util.Set;
import static org.mockito.internal.util.collections.Sets.newMockSafeHashSet;
/**
* See {@link MockitoAnnotations}
*/
@SuppressWarnings({"deprecation", "unchecked"})
public class InjectingAnnotationEngine implements AnnotationEngine {
private final AnnotationEngine delegate = new DefaultAnnotationEngine();
private final AnnotationEngine spyAnnotationEngine = new SpyAnnotationEngine();
/***
* Create a mock using {@link DefaultAnnotationEngine}
*
* @see org.mockito.internal.configuration.DefaultAnnotationEngine
* @see org.mockito.configuration.AnnotationEngine#createMockFor(java.lang.annotation.Annotation, java.lang.reflect.Field)
*/
@Deprecated
public Object createMockFor(Annotation annotation, Field field) {
return delegate.createMockFor(annotation, field);
}
/**
* Process the fields of the test instance and create Mocks, Spies, Captors and inject them on fields
* annotated @InjectMocks.
*
* <p>
* This code process the test class and the super classes.
* <ol>
* <li>First create Mocks, Spies, Captors.</li>
* <li>Then try to inject them.</li>
* </ol>
*
* @param clazz Not used
* @param testInstance The instance of the test, should not be null.
*
* @see org.mockito.configuration.AnnotationEngine#process(Class, Object)
*/
public void process(Class<?> clazz, Object testInstance) {
processIndependentAnnotations(testInstance.getClass(), testInstance);
processInjectMocks(testInstance.getClass(), testInstance);
}
private void processInjectMocks(final Class<?> clazz, final Object testInstance) {
Class<?> classContext = clazz;
while (classContext != Object.class) {
injectMocks(testInstance);
classContext = classContext.getSuperclass();
}
}
private void processIndependentAnnotations(final Class<?> clazz, final Object testInstance) {
Class<?> classContext = clazz;
while (classContext != Object.class) {
//this will create @Mocks, @Captors, etc:
delegate.process(classContext, testInstance);
//this will create @Spies:
spyAnnotationEngine.process(classContext, testInstance);
classContext = classContext.getSuperclass();
}
}
/**
* Initializes mock/spies dependencies for objects annotated with
* @InjectMocks for given testClassInstance.
* <p>
* See examples in javadoc for {@link MockitoAnnotations} class.
*
* @param testClassInstance
* Test class, usually <code>this</code>
*/
public void injectMocks(final Object testClassInstance) {
Class<?> clazz = testClassInstance.getClass();
Set<Field> mockDependentFields = new HashSet<Field>();
Set<Object> mocks = newMockSafeHashSet();
while (clazz != Object.class) {
new InjectMocksScanner(clazz).addTo(mockDependentFields);
new MockScanner(testClassInstance, clazz).addPreparedMocks(mocks);
clazz = clazz.getSuperclass();
}
new DefaultInjectionEngine().injectMocksOnFields(mockDependentFields, mocks, testClassInstance);
}
}