org.hawkular.metrics.core.impl.AvailabilityBucketPointMatcher.java Source code

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Here is the source code for org.hawkular.metrics.core.impl.AvailabilityBucketPointMatcher.java

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/*
 * Copyright 2014-2015 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * 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 org.hawkular.metrics.core.impl;

import org.hamcrest.Description;
import org.hamcrest.Factory;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
import org.hawkular.metrics.core.api.AvailabilityBucketPoint;

import com.google.common.math.DoubleMath;

/**
 * @author Thomas Segismont
 */
public class AvailabilityBucketPointMatcher extends TypeSafeMatcher<AvailabilityBucketPoint> {
    private final AvailabilityBucketPoint expected;

    public AvailabilityBucketPointMatcher(AvailabilityBucketPoint expected) {
        this.expected = expected;
    }

    @Override
    protected boolean matchesSafely(AvailabilityBucketPoint item) {
        return item.getStart() == expected.getStart() && item.getEnd() == expected.getEnd()
                && item.getDowntimeCount() == expected.getDowntimeCount()
                && item.getDowntimeDuration() == expected.getDowntimeDuration()
                && item.getLastDowntime() == expected.getLastDowntime()
                && DoubleMath.fuzzyEquals(item.getUptimeRatio(), expected.getUptimeRatio(), 0.001);
    }

    @Override
    public void describeTo(Description description) {
        description.appendValue(expected);
    }

    @Factory
    public static Matcher<AvailabilityBucketPoint> matchesAvailabilityBucketPoint(
            AvailabilityBucketPoint expected) {
        return new AvailabilityBucketPointMatcher(expected);
    }
}