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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.di;
import com.google.inject.Guice;
import com.yahoo.component.ComponentSpecification;
import com.yahoo.config.FileReference;
import com.yahoo.container.bundle.BundleInstantiationSpecification;
import com.yahoo.container.di.ContainerTest.ComponentTakingConfig;
import com.yahoo.container.di.componentgraph.core.ComponentGraph;
import org.junit.After;
import org.junit.Before;
import org.osgi.framework.Bundle;
import java.util.Collection;
import java.util.Set;
import static java.util.Collections.emptySet;
/**
* @author Tony Vaagenes
* @author gjoranv
* @author ollivir
*/
public class ContainerTestBase {
private ComponentGraph componentGraph;
protected DirConfigSource dirConfigSource = null;
@Before
public void setup() {
dirConfigSource = new DirConfigSource("ContainerTest-");
}
@After
public void cleanup() {
dirConfigSource.cleanup();
}
@Before
public void createGraph() {
componentGraph = new ComponentGraph(0);
}
public void complete() {
try {
Container container = new Container(new CloudSubscriberFactory(dirConfigSource.configSource()), dirConfigSource.configId(),
new ContainerTest.TestDeconstructor(), new Osgi() {
@SuppressWarnings("unchecked")
@Override
public Class<Object> resolveClass(BundleInstantiationSpecification spec) {
try {
return (Class<Object>) Class.forName(spec.classId.getName());
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
@Override
public Set<Bundle> useApplicationBundles(Collection<FileReference> bundles) {
return emptySet();
}
@Override
public Bundle getBundle(ComponentSpecification spec) {
throw new UnsupportedOperationException("getBundle not supported.");
}
});
Container.ComponentGraphResult result = container.waitForNextGraphGeneration(this.componentGraph, Guice.createInjector(), true);
result.oldComponentsCleanupTask().run();
this.componentGraph = result.newGraph();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public <T> T getInstance(Class<T> componentClass) {
return componentGraph.getInstance(componentClass);
}
protected void writeBootstrapConfigs(ComponentEntry... componentEntries) {
dirConfigSource.writeConfig("platform-bundles", "");
dirConfigSource.writeConfig("application-bundles", "");
StringBuilder components = new StringBuilder();
for (int i = 0; i < componentEntries.length; i++) {
components.append(componentEntries[i].asConfig(i));
components.append('\n');
}
dirConfigSource.writeConfig("components", String.format("components[%s]\n%s", componentEntries.length, components));
}
protected void writeBootstrapConfigs(String componentId, Class<?> classId) {
writeBootstrapConfigs(new ComponentEntry(componentId, classId));
}
protected void writeBootstrapConfigs(String componentId) {
writeBootstrapConfigs(componentId, ComponentTakingConfig.class);
}
protected void writeBootstrapConfigs() {
writeBootstrapConfigs(ComponentTakingConfig.class.getName(), ComponentTakingConfig.class);
}
protected class ComponentEntry {
private final String componentId;
private final Class<?> classId;
ComponentEntry(String componentId, Class<?> classId) {
this.componentId = componentId;
this.classId = classId;
}
String asConfig(int position) {
return "<config>\n" + //
"components[" + position + "].id \"" + componentId + "\"\n" + //
"components[" + position + "].classId \"" + classId.getName() + "\"\n" + //
"components[" + position + "].configId \"" + dirConfigSource.configId() + "\"\n" + //
"</config>";
}
}
}
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