AnalysisDatabaseTest.java

package org.mutabilitydetector.checkers.util;

/*
 * #%L
 * MutabilityDetector
 * %%
 * Copyright (C) 2008 - 2014 Graham Allan
 * %%
 * 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.
 * #L%
 */



import static org.junit.Assert.assertSame;
import static org.mutabilitydetector.checkers.CheckerRunner.createWithCurrentClasspath;
import static org.mutabilitydetector.checkers.CheckerRunner.ExceptionPolicy.FAIL_FAST;
import static org.mutabilitydetector.checkers.info.AnalysisDatabase.PRIVATE_METHOD_INVOCATION;
import static org.mutabilitydetector.checkers.info.AnalysisDatabase.TYPE_STRUCTURE;
import static org.mutabilitydetector.checkers.info.AnalysisDatabase.newAnalysisDatabase;

import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.mutabilitydetector.TestUtil;
import org.mutabilitydetector.checkers.info.AnalysisDatabase;
import org.mutabilitydetector.checkers.info.AnalysisDatabase.InfoKey;
import org.mutabilitydetector.checkers.info.AnalysisInformation;
import org.mutabilitydetector.checkers.info.InformationRetrievalRunner;

public class AnalysisDatabaseTest {

    private AnalysisDatabase db;

    @Before
    public void setUp() {
        InformationRetrievalRunner sessionRunner = new InformationRetrievalRunner(
                TestUtil.testAnalysisSession(),
                createWithCurrentClasspath(FAIL_FAST));
        db = newAnalysisDatabase(sessionRunner);
    }

    private void assertCachedCorrectly(InfoKey<? extends AnalysisInformation> infoKey) {
        assertSame("Should be the same instance from each invocation.",
                db.requestInformation(infoKey),
                db.requestInformation(infoKey));
    }

    private void assertNotNull(InfoKey<? extends AnalysisInformation> infoKey) {
        Assert.assertNotNull("Should return an instance of requested information.", db.requestInformation(infoKey));
    }

    @Test
    public void canRequestPrivateMethodInvocationInformation() throws Exception {
        assertNotNull(PRIVATE_METHOD_INVOCATION);
    }

    @Test
    public void sameInstanceOfPrivateMethodInvocationInformationIsUsed() throws Exception {
        assertCachedCorrectly(PRIVATE_METHOD_INVOCATION);
    }

    @Test
    public void canRequestInformationOnTypeStructureInformation() throws Exception {
        assertNotNull(TYPE_STRUCTURE);
    }

    @Test
    public void sameInstanceOfTypeStructureInformationIsUsed() throws Exception {
        assertCachedCorrectly(TYPE_STRUCTURE);
    }

}