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// Copyright 2020 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.core.config;
import com.yahoo.config.FileReference;
import org.junit.Before;
import org.junit.Test;
import org.osgi.framework.Bundle;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author gjoranv
*/
public class BundleManagerTest {
private static final FileReference BUNDLE_1_REF = new FileReference("bundle-1");
private static final Bundle BUNDLE_1 = new TestBundle(BUNDLE_1_REF.value());
private static final FileReference BUNDLE_2_REF = new FileReference("bundle-2");
private static final Bundle BUNDLE_2 = new TestBundle(BUNDLE_2_REF.value());
private BundleManager bundleLoader;
private TestOsgi osgi;
@Before
public void setup() {
osgi = new TestOsgi(testBundles());
var bundleInstaller = new TestBundleInstaller();
bundleLoader = new BundleManager(osgi);
bundleLoader.useCustomBundleInstaller(bundleInstaller);
}
@Test
public void bundles_are_installed_and_started() {
bundleLoader.use(List.of(BUNDLE_1_REF));
assertEquals(1, osgi.getInstalledBundles().size());
// The bundle is installed and started
TestBundle installedBundle = (TestBundle)osgi.getInstalledBundles().get(0);
assertEquals(BUNDLE_1.getSymbolicName(), installedBundle.getSymbolicName());
assertTrue(installedBundle.started);
// The file reference is active
assertEquals(1, bundleLoader.getActiveFileReferences().size());
assertEquals(BUNDLE_1_REF, bundleLoader.getActiveFileReferences().get(0));
}
@Test
public void new_bundle_can_be_installed_in_reconfig() {
bundleLoader.use(List.of(BUNDLE_1_REF));
Set<Bundle> obsoleteBundles = bundleLoader.use(List.of(BUNDLE_1_REF, BUNDLE_2_REF));
// No bundles are obsolete
assertTrue(obsoleteBundles.isEmpty());
// Both bundles are installed
assertEquals(2, osgi.getInstalledBundles().size());
assertEquals(BUNDLE_1.getSymbolicName(), osgi.getInstalledBundles().get(0).getSymbolicName());
assertEquals(BUNDLE_2.getSymbolicName(), osgi.getInstalledBundles().get(1).getSymbolicName());
// Both bundles are current
assertEquals(2, osgi.getCurrentBundles().size());
assertEquals(BUNDLE_1.getSymbolicName(), osgi.getCurrentBundles().get(0).getSymbolicName());
assertEquals(BUNDLE_2.getSymbolicName(), osgi.getCurrentBundles().get(1).getSymbolicName());
// Both file references are active
assertEquals(2, bundleLoader.getActiveFileReferences().size());
assertEquals(BUNDLE_1_REF, bundleLoader.getActiveFileReferences().get(0));
assertEquals(BUNDLE_2_REF, bundleLoader.getActiveFileReferences().get(1));
}
@Test
public void unused_bundle_is_marked_obsolete_after_reconfig() {
bundleLoader.use(List.of(BUNDLE_1_REF));
Set<Bundle> obsoleteBundles = bundleLoader.use(List.of(BUNDLE_2_REF));
// The returned set of obsolete bundles contains bundle-1
assertEquals(1, obsoleteBundles.size());
assertEquals(BUNDLE_1.getSymbolicName(), obsoleteBundles.iterator().next().getSymbolicName());
// Both bundles are installed
assertEquals(2, osgi.getInstalledBundles().size());
assertEquals(BUNDLE_1.getSymbolicName(), osgi.getInstalledBundles().get(0).getSymbolicName());
assertEquals(BUNDLE_2.getSymbolicName(), osgi.getInstalledBundles().get(1).getSymbolicName());
// Only bundle-2 is current
assertEquals(1, osgi.getCurrentBundles().size());
assertEquals(BUNDLE_2.getSymbolicName(), osgi.getCurrentBundles().get(0).getSymbolicName());
// Only the bundle-2 file reference is active
assertEquals(1, bundleLoader.getActiveFileReferences().size());
assertEquals(BUNDLE_2_REF, bundleLoader.getActiveFileReferences().get(0));
}
private static Map<String, Bundle> testBundles() {
return Map.of(BUNDLE_1_REF.value(), BUNDLE_1,
BUNDLE_2_REF.value(), BUNDLE_2);
}
}
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