net.gageot.test.mocks.MockitoMatchers.java Source code

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Here is the source code for net.gageot.test.mocks.MockitoMatchers.java

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/*
 * This file is part of TestExpert.
 *
 * Copyright (C) 2012
 * "David Gageot" <david@gageot.net>,
 *
 * TestExpert is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * TestExpert is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with TestExpert. If not, see <http://www.gnu.org/licenses/>.
 */
package net.gageot.test.mocks;

import com.google.common.collect.*;
import com.google.common.collect.Iterables;
import org.mockito.*;
import org.mockito.internal.matchers.*;

import java.util.*;

import static org.mockito.Matchers.*;

public class MockitoMatchers {
    private MockitoMatchers() {
        // static class
    }

    @SuppressWarnings("unchecked")
    public static <T> List<T> eqIterable(final T... values) {
        return argThat(new ArgumentMatcher<List<T>>() {
            @Override
            public boolean matches(Object argument) {
                return Iterables.elementsEqual((Iterable<T>) argument, ImmutableList.copyOf(values));
            }
        });
    }

    @SuppressWarnings("unchecked")
    public static <T> T neq(T wanted) {
        return (T) argThat(new Not(new Equals(wanted)));
    }

    public static Object[] varArgOfLength(final int expectedLength) {
        return argThat(new VarArgsLengthMatcher(expectedLength));
    }

    @SuppressWarnings("serial")
    private static final class VarArgsLengthMatcher extends ArgumentMatcher<Object[]> implements VarargMatcher {
        private final int expectedLength;

        VarArgsLengthMatcher(int expectedLength) {
            this.expectedLength = expectedLength;
        }

        @Override
        public boolean matches(Object argument) {
            return ((Object[]) argument).length == expectedLength;
        }
    }
}