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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.model.test;
import com.yahoo.api.annotations.Beta;
import com.yahoo.component.Version;
import com.yahoo.config.model.MapConfigModelRegistry;
import com.yahoo.config.application.api.ApplicationPackage;
import com.yahoo.config.model.application.provider.SchemaValidators;
import com.yahoo.config.model.deploy.DeployState;
import com.yahoo.config.model.builder.xml.ConfigModelBuilder;
import com.yahoo.vespa.config.VespaVersion;
import com.yahoo.vespa.model.VespaModel;
import org.xml.sax.SAXException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* Test driver for testing config models. Add custom builders for plugins to be tested. Builds a model from the
* xml string and returns a config producer that can be use to test getConfig.
*
* @author Ulf Lilleengen
*/
@Beta
public class TestDriver {
private final List<ConfigModelBuilder> builders = new ArrayList<>();
private final boolean validate;
public TestDriver(boolean validate) {
this.validate = validate;
}
public TestDriver() {
this(false);
}
/**
* Add a new builder to the tester.
*
* @param builder builder to add.
* @return this for chaining
*/
public TestDriver addBuilder(ConfigModelBuilder builder) {
builders.add(builder);
return this;
}
/**
* Build a model from an XML string. The hosts referenced in services must be set to 'mockhost' when using
* this method, as it automatically generates a hosts file for you.
*
* @param servicesXml The xml for services.xml
* @return a producer root capable of answering getConfig requests.
*/
public TestRoot buildModel(String servicesXml) {
return buildModel(servicesXml, "<hosts><host name='localhost'><alias>mockhost</alias></host></hosts>");
}
/**
* Build a model from an XML string of services and one of hosts.
*
* @param servicesXml The xml for services.xml
* @param hostsXml The xml for hosts.xml
* @return a producer root capable of answering getConfig requests.
*/
public TestRoot buildModel(String servicesXml, String hostsXml) {
if (!servicesXml.contains("<services")) {
servicesXml = "<services version='1.0'>" + servicesXml + "</services>";
}
return buildModel(new MockApplicationPackage.Builder().withHosts(hostsXml).withServices(servicesXml).build());
}
/**
* Build a model from an application package.
*
* @param applicationPackage Any type of application package.
* @return a producer root capable of answering getConfig requests.
*/
public TestRoot buildModel(ApplicationPackage applicationPackage) {
return buildModel(new DeployState.Builder().applicationPackage(applicationPackage).build());
}
/**
* Build a model given a deploy state.
*
* @param deployState An instance of {@link com.yahoo.config.model.deploy.DeployState}
* @return a producer root capable of answering getConfig requests.
*/
public TestRoot buildModel(DeployState deployState) {
MapConfigModelRegistry registry = new MapConfigModelRegistry(builders);
try {
validate(deployState.getApplicationPackage());
return new TestRoot(new VespaModel(registry, deployState));
} catch (IOException | SAXException e) {
throw new RuntimeException(e);
}
}
private void validate(ApplicationPackage appPkg) throws IOException {
if (!validate) {
return;
}
SchemaValidators schemaValidators = new SchemaValidators(new Version(VespaVersion.major));
if (appPkg.getHosts() != null) {
schemaValidators.hostsXmlValidator().validate(appPkg.getHosts());
}
schemaValidators.servicesXmlValidator().validate(appPkg.getServices());
}
}
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