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There is a newer version: 8.15.1
/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.test.mockito;

import org.mockito.MockedConstruction;
import org.mockito.internal.creation.bytebuddy.SubclassByteBuddyMockMaker;
import org.mockito.internal.util.reflection.LenientCopyTool;
import org.mockito.invocation.MockHandler;
import org.mockito.mock.MockCreationSettings;
import org.mockito.plugins.MockMaker;

import java.util.Optional;
import java.util.function.Function;

import static org.elasticsearch.test.mockito.SecureMockUtil.wrap;

/**
 * A {@link MockMaker} that works with {@link SecurityManager}.
 */
public class SecureMockMaker implements MockMaker {

    // delegates to initializing util, which we don't want to have public
    public static void init() {
        SecureMockUtil.init();
    }

    // TODO: consider using InlineByteBuddyMockMaker, but this requires using a java agent for instrumentation
    private final SubclassByteBuddyMockMaker delegate;

    public SecureMockMaker() {
        delegate = wrap(SubclassByteBuddyMockMaker::new);
    }

    @SuppressWarnings("rawtypes")
    @Override
    public  T createMock(MockCreationSettings mockCreationSettings, MockHandler mockHandler) {
        return wrap(() -> delegate.createMock(mockCreationSettings, mockHandler));
    }

    @SuppressWarnings("rawtypes")
    @Override
    public  Optional createSpy(MockCreationSettings settings, MockHandler handler, T object) {
        // spies are not implemented by the bytebuddy delegate implementation
        return wrap(() -> {
            T instance = delegate.createMock(settings, handler);
            new LenientCopyTool().copyToMock(object, instance);
            return Optional.of(instance);
        });
    }

    @SuppressWarnings("rawtypes")
    @Override
    public MockHandler getHandler(Object o) {
        return delegate.getHandler(o);
    }

    @SuppressWarnings("rawtypes")
    @Override
    public void resetMock(Object o, MockHandler mockHandler, MockCreationSettings mockCreationSettings) {
        wrap(() -> {
            delegate.resetMock(o, mockHandler, mockCreationSettings);
            return (Void) null;
        });
    }

    @Override
    public TypeMockability isTypeMockable(Class type) {
        return delegate.isTypeMockable(type);
    }

    @SuppressWarnings("rawtypes")
    @Override
    public  StaticMockControl createStaticMock(Class type, MockCreationSettings settings, MockHandler handler) {
        return delegate.createStaticMock(type, settings, handler);
    }

    @Override
    public  ConstructionMockControl createConstructionMock(
        Class type,
        Function> settingsFactory,
        Function> handlerFactory,
        MockedConstruction.MockInitializer mockInitializer
    ) {
        return delegate.createConstructionMock(type, settingsFactory, handlerFactory, mockInitializer);
    }

    @Override
    public void clearAllCaches() {
        delegate.clearAllCaches();
    }
}