modules/indexing/src/test/java/org/apache/ignite/internal/metric/IndexPagesMetricsInMemoryTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.ignite.internal.metric;

import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.internal.processors.cache.persistence.DataRegion;

import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

/** */
public class IndexPagesMetricsInMemoryTest extends AbstractIndexPageMetricsTest {
    /** {@inheritDoc} */
    @Override boolean isPersistenceEnabled() {
        return false;
    }

    /** {@inheritDoc} */
    @Override void validateIdxPagesCnt() throws IgniteCheckedException {
        DataRegion dataRegion = defaultDataRegion();

        long actualIdxPages = gridCacheProcessor().caches().stream()
            .mapToInt(cache -> cache.context().groupId())
            .mapToObj(dataRegion.metrics()::cacheGrpPageMetrics)
            .mapToLong(metrics -> metrics.indexPages().value())
            .sum();

        long expIdxPages = indexPageCounter.countIdxPagesInMemory(0);

        assertThat(actualIdxPages, is(expIdxPages));
        assertThat(dataRegion.metrics().pageMetrics().indexPages().value(), is(expIdxPages));
    }
}