GuavaResourceMetadataTest.java

/*
 * Copyright 2014, The OpenNMS Group
 * 
 * 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.opennms.newts.cassandra.search;


import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.assertThat;

import org.junit.Test;
import org.opennms.newts.api.Context;
import org.opennms.newts.api.Resource;

import com.codahale.metrics.MetricRegistry;


public class GuavaResourceMetadataTest {

    @Test
    public void test() {

        Context c = new Context("c");
        Resource r = new Resource("r");

        ResourceMetadataCache cache = new GuavaResourceMetadataCache(10000, new MetricRegistry());

        assertThat(cache.get(c, r).isPresent(), not(true));

        cache.merge(c, r, new ResourceMetadata());

        assertThat(cache.get(c, r).isPresent(), is(true));
        assertThat(cache.get(c, r).get().containsMetric("m0"), not(true));
        assertThat(cache.get(c, r).get().containsMetric("m1"), not(true));

        cache.merge(c, r, new ResourceMetadata().putMetric("m0").putMetric("m1"));

        assertThat(cache.get(c, r).get().containsMetric("m0"), is(true));
        assertThat(cache.get(c, r).get().containsMetric("m1"), is(true));
        assertThat(cache.get(c, r).get().containsAttribute("meat", "beef"), not(true));
        assertThat(cache.get(c, r).get().containsAttribute("pudding", "bread"), not(true));

        cache.merge(c, r, new ResourceMetadata().putAttribute("meat", "beef"));
        cache.merge(c, r, new ResourceMetadata().putAttribute("pudding", "bread"));

        assertThat(cache.get(c, r).get().containsAttribute("meat", "beef"), is(true));
        assertThat(cache.get(c, r).get().containsAttribute("pudding", "bread"), is(true));

    }

}