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    • com.fitbur.mockito.internal.configuration.injection.scanner.MockScanner Maven / Gradle / Ivy

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    /*
 * Copyright (c) 2007 Mockito contributors
 * This program is made available under the terms of the MIT License.
 */
package com.fitbur.mockito.internal.configuration.injection.scanner;

import com.fitbur.mockito.Mock;
import com.fitbur.mockito.Spy;
import com.fitbur.mockito.internal.util.MockUtil;
import com.fitbur.mockito.internal.util.reflection.FieldReader;

import java.lang.reflect.Field;
import java.util.Set;

import static com.fitbur.mockito.internal.util.collections.Sets.newMockSafeHashSet;

/**
 * Scan mocks, and prepare them if needed.
 */
public class MockScanner {
    private final MockUtil mockUtil = new MockUtil();
    private final Object instance;
    private final Class clazz;

    /**
     * Creates a MockScanner.
     *
     * @param instance The test instance
     * @param clazz    The class in the type hierarchy of this instance.
     */
    public MockScanner(Object instance, Class clazz) {
        this.instance = instance;
        this.clazz = clazz;
    }

    /**
     * Add the scanned and prepared mock instance to the given collection.
     *
     * 
    
     * The preparation of mocks consists only in defining a MockName if not already set.
     * 
    
     *
     * @param mocks Set of mocks
     */
    public void addPreparedMocks(Set mocks) {
        mocks.addAll(scan());
    }

    /**
     * Scan and prepare mocks for the given testClassInstance and clazz in the type hierarchy.
     *
     * @return A prepared set of mock
     */
    private Set scan() {
        Set mocks = newMockSafeHashSet();
        for (Field field : clazz.getDeclaredFields()) {
            // mock or spies only
            FieldReader fieldReader = new FieldReader(instance, field);

            Object mockInstance = preparedMock(fieldReader.read(), field);
            if (mockInstance != null) {
                mocks.add(mockInstance);
            }
        }
        return mocks;
    }

    private Object preparedMock(Object instance, Field field) {
        if (isAnnotatedByMockOrSpy(field)) {
            return instance;
        } 
        if (isMockOrSpy(instance)) {
            mockUtil.maybeRedefineMockName(instance, field.getName());
            return instance;
        }
        return null;
    }

    private boolean isAnnotatedByMockOrSpy(Field field) {
        return field.isAnnotationPresent(Spy.class) || field.isAnnotationPresent(Mock.class);
    }

    private boolean isMockOrSpy(Object instance) {
        return mockUtil.isMock(instance)
                || mockUtil.isSpy(instance);
    }
}
    
    
    
    

    




    
    
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