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MockAnnotationProcessor.java
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MockAnnotationProcessor.java
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/*
* Copyright (c) 2007 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
package org.mockito.internal.configuration;
import static org.mockito.internal.util.StringUtil.join;
import java.lang.reflect.Field;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import org.mockito.Mock;
import org.mockito.MockSettings;
import org.mockito.MockedStatic;
import org.mockito.Mockito;
import org.mockito.exceptions.base.MockitoException;
import org.mockito.internal.util.Supplier;
/**
* Instantiates a mock on a field annotated by {@link Mock}
*/
public class MockAnnotationProcessor implements FieldAnnotationProcessor<Mock> {
@Override
public Object process(Mock annotation, Field field) {
return processAnnotationForMock(
annotation, field.getType(), field::getGenericType, field.getName());
}
public static Object processAnnotationForMock(
Mock annotation, Class<?> type, Supplier<Type> genericType, String name) {
MockSettings mockSettings = Mockito.withSettings();
if (annotation.extraInterfaces().length > 0) { // never null
mockSettings.extraInterfaces(annotation.extraInterfaces());
}
if ("".equals(annotation.name())) {
mockSettings.name(name);
} else {
mockSettings.name(annotation.name());
}
if (annotation.serializable()) {
mockSettings.serializable();
}
if (annotation.stubOnly()) {
mockSettings.stubOnly();
}
if (annotation.lenient()) {
mockSettings.lenient();
}
// see @Mock answer default value
mockSettings.defaultAnswer(annotation.answer());
if (type == MockedStatic.class) {
return Mockito.mockStatic(inferStaticMock(genericType.get(), name), mockSettings);
} else {
return Mockito.mock(type, mockSettings);
}
}
static Class<?> inferStaticMock(Type type, String name) {
if (type instanceof ParameterizedType) {
ParameterizedType parameterizedType = (ParameterizedType) type;
Type[] arguments = parameterizedType.getActualTypeArguments();
if (arguments.length == 1) {
if (arguments[0] instanceof Class<?>) {
return (Class<?>) arguments[0];
}
}
}
throw new MockitoException(
join(
"Mockito cannot infer a static mock from a raw type for " + name,
"",
"Instead of @Mock MockedStatic you need to specify a parameterized type",
"For example, if you would like to mock static methods of Sample.class, specify",
"",
"@Mock MockedStatic<Sample>",
"",
"as the type parameter. If the type is parameterized, it should be specified as raw type."));
}
}