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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.core.config.testutil;
import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Scopes;
import com.yahoo.component.AbstractComponent;
import com.yahoo.component.provider.ComponentRegistry;
import com.yahoo.config.subscription.ConfigSourceSet;
import com.yahoo.container.Container;
import com.yahoo.container.core.config.HandlersConfigurerDi;
import com.yahoo.container.di.CloudSubscriberFactory;
import com.yahoo.container.di.ComponentDeconstructor;
import com.yahoo.container.handler.threadpool.ContainerThreadPool;
import com.yahoo.jdisc.Metric;
import com.yahoo.jdisc.handler.RequestHandler;
import com.yahoo.jdisc.test.MockMetric;
import com.yahoo.language.Linguistics;
import com.yahoo.language.process.Embedder;
import com.yahoo.language.simple.SimpleLinguistics;
import java.io.File;
import java.io.IOException;
import java.util.LinkedHashSet;
import java.util.Random;
import java.util.Set;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
/**
* Class for testing HandlersConfigurer.
* Not for public use.
*
* If possible, please avoid using this class and HandlersConfigurer in your tests
* @author Tony Vaagenes
* @author gjoranv
*
*/
public class HandlersConfigurerTestWrapper {
private final ConfigSourceSet configSources =
new ConfigSourceSet(this.getClass().getSimpleName() + ": " + new Random().nextLong());
private final HandlersConfigurerDi configurer;
// TODO: Remove once tests use ConfigSet rather than dir:
private final static String[] testFiles = {
"components.cfg",
"handlers.cfg",
"platform-bundles.cfg",
"application-bundles.cfg",
"string.cfg",
"int.cfg",
"renderers.cfg",
"diagnostics.cfg",
"qr-templates.cfg",
"documentmanager.cfg",
"schemamapping.cfg",
"chains.cfg",
"container-mbus.cfg",
"container-mbus.cfg",
"specialtokens.cfg",
"documentdb-info.cfg",
"qr-search.cfg",
"query-profiles.cfg"
};
private final Set<File> createdFiles = new LinkedHashSet<>();
private int lastGeneration = 0;
private final Container container;
private void createFiles(String configId) {
if (configId.startsWith("dir:")) {
try {
System.setProperty("config.id", configId);
String dirName = configId.substring(4);
for (String file : testFiles) {
createIfNotExists(dirName, file);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
// TODO: Remove once tests use ConfigSet rather than dir:
private void createIfNotExists(String dir, String file) throws IOException {
final File f = new File(dir + "/" + file);
if (f.createNewFile()) {
createdFiles.add(f);
}
}
public HandlersConfigurerTestWrapper(String configId) {
this(Container.get(), configId);
}
public HandlersConfigurerTestWrapper(Container container, String configId) {
createFiles(configId);
MockOsgiWrapper mockOsgiWrapper = new MockOsgiWrapper();
ComponentDeconstructor testDeconstructor = getTestDeconstructor();
configurer = new HandlersConfigurerDi(
new CloudSubscriberFactory(configSources),
container,
configId,
testDeconstructor,
guiceInjector(),
mockOsgiWrapper);
this.container = container;
}
private ComponentDeconstructor getTestDeconstructor() {
return (components, bundles) -> components.forEach(component -> {
if (component instanceof AbstractComponent) {
AbstractComponent abstractComponent = (AbstractComponent) component;
if (abstractComponent.isDeconstructable()) abstractComponent.deconstruct();
}
if (! bundles.isEmpty()) throw new IllegalArgumentException("This test should not use bundles");
});
}
public void reloadConfig() {
configurer.reloadConfig(++lastGeneration);
configurer.getNewComponentGraph(guiceInjector(), false);
}
public void shutdown() {
configurer.shutdown(getTestDeconstructor());
// TODO: Remove once tests use ConfigSet rather than dir:
for (File f : createdFiles) {
f.delete();
}
}
public ComponentRegistry<RequestHandler> getRequestHandlerRegistry() {
return container.getRequestHandlerRegistry();
}
private static Injector guiceInjector() {
return Guice.createInjector(new AbstractModule() {
@Override
protected void configure() {
// Needed by e.g. SearchHandler
bind(Linguistics.class).to(SimpleLinguistics.class).in(Scopes.SINGLETON);
bind(Embedder.class).to(Embedder.FailingEmbedder.class).in(Scopes.SINGLETON);
bind(ContainerThreadPool.class).to(SimpleContainerThreadpool.class);
bind(Metric.class).to(MockMetric.class);
}
});
}
private static class SimpleContainerThreadpool implements ContainerThreadPool {
private final Executor executor = Executors.newCachedThreadPool();
@Override public Executor executor() { return executor; }
}
}
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