ConcurrentMultivalueMapAssert.java

/**
 * Copyright 2013 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 the "License";
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0

 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
**/

package io.neba.core.util;

import org.assertj.core.api.AbstractAssert;

import java.util.Arrays;
import java.util.Collection;

/**
 * @author Olaf Otto
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public class ConcurrentMultivalueMapAssert extends AbstractAssert<ConcurrentMultivalueMapAssert, ConcurrentDistinctMultiValueMap> {

    public static ConcurrentMultivalueMapAssert assertThat(ConcurrentDistinctMultiValueMap<?, ?> map) {
        return new ConcurrentMultivalueMapAssert(map);
    }

    public ConcurrentMultivalueMapAssert(ConcurrentDistinctMultiValueMap map) {
        super(map, ConcurrentMultivalueMapAssert.class);
    }

    public ConcurrentMultivalueMapAssert contains(Object key, Object value) {
        Collection<?> values = valuesForKey(key);
        if (!values.contains(value)) {
            failWithMessage(values + " does not contain the value " + value + ".");
        }
        return myself;
    }

    public ConcurrentMultivalueMapAssert contains(Object key, Object... values) {
        Collection<?> containedValues = valuesForKey(key);
        if (!containedValues.containsAll(Arrays.asList(values))) {
            failWithMessage(Arrays.toString(values) + " do not contain the values " + Arrays.toString(values) + ".");
        }
        return myself;
    }

    public ConcurrentMultivalueMapAssert containsOnly(Object key, Object... values) {
        Collection<?> containedValues = valuesForKey(key);
        if (containedValues.size() != values.length || !containedValues.containsAll(Arrays.asList(values))) {
            failWithMessage(Arrays.toString(values) + " do not only contain " + Arrays.toString(values) + ".");
        }
        return myself;
    }

    private Collection<?> valuesForKey(Object key) {
        return valuesOrFail(key);
    }

    public ConcurrentMultivalueMapAssert containsExactlyOneValueFor(Object key) {
        Collection<?> values = valuesOrFail(key);
        if (values.size() != 1) {
            failWithMessage("Expected exactly one value for " + key + ", but got " + values + ".");
        }
        return myself;
    }

    public ConcurrentMultivalueMapAssert doesNotContain(Object key) {
        if (this.actual.get(key) != null) {
            failWithMessage(this.actual + " does contains the key " + key + ".");
        }
        return myself;
    }

    private Collection<?> valuesOrFail(Object key) {
        Collection<?> values = this.actual.get(key);
        if (values == null) {
            failWithMessage(this.actual + " does not contain the key " + key + ".");
        }
        return values;
    }
}