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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.vespa.model.container.jersey.xml;
import com.yahoo.component.ComponentId;
import com.yahoo.config.model.test.TestUtil;
import com.yahoo.container.ComponentsConfig;
import com.yahoo.container.di.config.JerseyBundlesConfig;
import com.yahoo.jdisc.http.ServletPathsConfig;
import com.yahoo.vespa.model.container.component.Component;
import com.yahoo.vespa.model.container.jersey.Jersey2Servlet;
import com.yahoo.vespa.model.container.jersey.RestApi;
import com.yahoo.vespa.model.container.jersey.RestApiContext;
import com.yahoo.vespa.model.container.xml.ContainerModelBuilderTestBase;
import org.junit.Before;
import org.junit.Test;
import org.w3c.dom.Element;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.containsInAnyOrder;
/**
* @author gjoranv
* @author bjorncs
*/
public class RestApiTest extends ContainerModelBuilderTestBase {
private static final String PATH = "rest/api";
private static final String REST_API_CONTEXT_ID = RestApiContext.CONTAINER_CLASS + "-" + RestApi.idFromPath(PATH);
private static final String INJECTED_COMPONENT_ID = "injectedHandler";
private static final String CLUSTER_ID = "container";
private static final Element restApiXml = TestUtil.parse(
"<container version=\"1.0\" id=\"" + CLUSTER_ID + "\">",
" <rest-api path=\"" + PATH + "\">",
" <components bundle=\"my-jersey-bundle:1.0\">",
" <package>com.yahoo.foo</package>",
" </components>",
" </rest-api>",
" <handler id=\"" + INJECTED_COMPONENT_ID + "\" />",
"</container>");
private RestApi restApi;
private Jersey2Servlet servlet;
private RestApiContext context;
@Before
public void setup() throws Exception {
createModel(root, restApiXml);
root.validate();
getContainerCluster(CLUSTER_ID).prepare();
restApi = getContainerCluster(CLUSTER_ID).getRestApiMap().values().iterator().next();
servlet = restApi.getJersey2Servlet();
context = restApi.getContext();
}
@Test
public void jersey2_servlet_has_correct_binding_path() {
assertThat(servlet, not(nullValue()));
assertThat(servlet.bindingPath, is(PATH + "/*"));
}
@Test
public void jersey2_servlet_has_correct_bundle_spec() {
assertThat(servlet.model.bundleInstantiationSpec.bundle.stringValue(), is(Jersey2Servlet.BUNDLE));
}
@Test
public void rest_api_path_is_included_in_servlet_config() {
ServletPathsConfig config = root.getConfig(ServletPathsConfig.class, servlet.getConfigId());
assertThat(config.servlets(servlet.getComponentId().stringValue()).path(), is(PATH + "/*"));
}
@Test
public void resource_bundles_are_included_in_config() {
JerseyBundlesConfig config = root.getConfig(JerseyBundlesConfig.class, context.getConfigId());
assertThat(config.bundles().size(), is(1));
assertThat(config.bundles(0).spec(), is("my-jersey-bundle:1.0"));
}
@Test
public void packages_to_scan_are_included_in_config() {
JerseyBundlesConfig config = root.getConfig(JerseyBundlesConfig.class, context.getConfigId());
assertThat(config.bundles(0).packages(), contains("com.yahoo.foo"));
}
@Test
public void jersey2_servlet_is_included_in_components_config() {
ComponentsConfig config = root.getConfig(ComponentsConfig.class, CLUSTER_ID);
assertThat(config.toString(), containsString(".id \"" + servlet.getComponentId().stringValue() + "\""));
}
@Test
public void restApiContext_is_included_in_components_config() {
ComponentsConfig config = root.getConfig(ComponentsConfig.class, CLUSTER_ID);
assertThat(config.toString(), containsString(".id \"" + REST_API_CONTEXT_ID + "\""));
}
@Test
public void all_non_restApi_components_are_injected_to_RestApiContext() throws Exception {
ComponentsConfig componentsConfig = root.getConfig(ComponentsConfig.class, CLUSTER_ID);
Set<ComponentId> clusterChildrenComponentIds = getContainerCluster(CLUSTER_ID).getAllComponents().stream()
.map(Component::getComponentId)
.collect(Collectors.toSet());
Set<ComponentId> restApiChildrenComponentIds = restApi.getChildren().values().stream()
.map(child -> ((Component<?, ?>) child).getComponentId())
.collect(Collectors.toSet());
//TODO: try replacing with filtering against RestApiContext.isCycleGeneratingComponent
ComponentId cycleInducingComponents = ComponentId.fromString("com.yahoo.container.handler.observability.ApplicationStatusHandler");
Set<ComponentId> expectedInjectedConfigIds = new HashSet<>(clusterChildrenComponentIds);
expectedInjectedConfigIds.removeAll(restApiChildrenComponentIds);
expectedInjectedConfigIds.remove(cycleInducingComponents);
Set<ComponentId> injectedConfigIds = restApiContextConfig(componentsConfig).inject().stream()
.map(inject -> ComponentId.fromString(inject.id()))
.collect(Collectors.toSet());
// Verify that the two sets are equal. Split in two asserts to get decent failure messages.
assertThat(
"Not all required components are injected",
injectedConfigIds,
containsInAnyOrder(expectedInjectedConfigIds.toArray()));
assertThat(
"We inject some components that should not be injected",
expectedInjectedConfigIds,
containsInAnyOrder(injectedConfigIds.toArray()));
}
private static ComponentsConfig.Components restApiContextConfig(ComponentsConfig config) {
return config.components().stream()
.filter(component -> component.classId().equals(RestApiContext.CONTAINER_CLASS))
.findFirst()
.get();
}
}
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