TestPackageManager.java

/*
 * Copyright (c) 2013-2015 Chris Newland.
 * Licensed under https://github.com/AdoptOpenJDK/jitwatch/blob/master/LICENSE-BSD
 * Instructions: https://github.com/AdoptOpenJDK/jitwatch/wiki
 */
package org.adoptopenjdk.jitwatch.test;

import org.adoptopenjdk.jitwatch.model.MetaPackage;
import org.adoptopenjdk.jitwatch.model.PackageManager;
import org.junit.Test;

import java.util.Arrays;
import java.util.List;

import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import static org.adoptopenjdk.jitwatch.core.JITWatchConstants.*;

public class TestPackageManager {
    /*
        Scenario: No valid package name is passed
            Given an unknown or empty package name is passed to the PackageManager
            When the package is built
            Then an empty meta package is returned
    */

    /*
    Deadcode detected via this test
        {
            if (mp == null)
            {
                // default package ""
                mp = new MetaPackage(S_EMPTY);
                metaPackages.put(S_EMPTY, mp);
            }
        }
    */
    @Test
    public void givenUnknownPackageNameIsUsedWithPackageManager_WhenPackageIsBuilt_ThenEmptyMetaPackage() {
        // Given
        MetaPackage expectedPackage = new MetaPackage(S_EMPTY);

        // When
        PackageManager packageManager = new PackageManager();
        MetaPackage actualPackage = packageManager.buildPackage(S_EMPTY);

        // Then
        assertThat(actualPackage, is(equalTo(expectedPackage)));
    }

    /*
        Scenario: Valid package name is passed
            Given an valid package name is passed to the PackageManager
            When the package is built
            And the root packages are requested
            Then the appropriate root packages are returned
    */
    @Test
    public void givenKnownPackageNameIsUsedWithPackageManager_WhenPackageIsBuiltAndRootPackagesAreRequested_ThenRootPackagesAreReturned() {
        // Given
        List<MetaPackage> expectedRootPackages = Arrays.asList(new MetaPackage("com"));

        // When
        PackageManager packageManager = new PackageManager();
        packageManager.buildPackage("com.sun.java");
        List<MetaPackage> actualRootPackages = packageManager.getRootPackages();

        // Then
        assertThat(actualRootPackages, is(equalTo(expectedRootPackages)));
    }
}