Java tutorial
/** * Copyright (C) FuseSource, Inc. * http://fusesource.com * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.fusesource.fabric.openshift; import org.eclipse.jgit.api.Git; import org.fusesource.common.util.XPathBuilder; import org.fusesource.common.util.XPathFacade; import org.fusesource.fabric.agent.mvn.MavenRepositoryURL; import org.fusesource.fabric.agent.mvn.Parser; import org.fusesource.fabric.agent.utils.XmlUtils; import org.fusesource.fabric.openshift.agent.OpenShiftPomDeployer; import org.fusesource.fabric.utils.Files; import org.junit.Before; import org.junit.Test; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import javax.xml.xpath.XPathExpressionException; import java.io.File; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import static junit.framework.Assert.assertNotNull; import static org.fusesource.fabric.openshift.agent.OpenShiftPomDeployer.groupId; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; /** */ public class OpenShiftPomDeployerTest { protected static XPathBuilder xpathBuilder = new XPathBuilder(); protected File baseDir; protected Git git; protected String deployDir = "shared"; protected String webAppDir = "webapps"; protected String[] artifactUrls = { "mvn:io.hawt/hawtio-web/1.2-M10/war", "mvn:org.drools/drools-wb-distribution-wars/6.0.0.Beta5/war/tomcat7.0", "mvn:org.apache.camel/camel-core/2.12.0" }; protected String[] repoUrls = { "http://repo.fusesource.com/nexus/content/groups/ea@id=fuseearlyaccess", "http://repository.jboss.org/nexus/content/groups/public@id=jboss-public" }; @Before public void init() { baseDir = new File(System.getProperty("basedir", ".")); assertDirectoryExists(baseDir); } @Test public void testPomWithNoOpenShiftProfile() throws Exception { doTest("noOpenShiftProfile", artifactUrls, repoUrls, "provided", "provided"); } @Test public void testUpdate() throws Exception { doTest("update", artifactUrls, repoUrls, "test", null); } protected void doTest(String folder, String[] artifactUrls, String[] repoUrls, String expectedCamelDependencyScope, String expectedHawtioDependencyScope) throws Exception { File sourceDir = new File(baseDir, "src/test/resources/" + folder); assertDirectoryExists(sourceDir); File pomSource = new File(sourceDir, "pom.xml"); assertFileExists(pomSource); File outputDir = new File(baseDir, "target/" + getClass().getName() + "/" + folder); outputDir.mkdirs(); assertDirectoryExists(outputDir); File pom = new File(outputDir, "pom.xml"); Files.copy(pomSource, pom); assertFileExists(pom); git = Git.init().setDirectory(outputDir).call(); assertDirectoryExists(new File(outputDir, ".git")); git.add().addFilepattern("pom.xml").call(); git.commit().setMessage("Initial import").call(); // now we have the git repo setup; lets run the update OpenShiftPomDeployer deployer = new OpenShiftPomDeployer(git, outputDir, deployDir, webAppDir); System.out.println("About to update the pom " + pom + " with artifacts: " + Arrays.asList(artifactUrls)); List<Parser> artifacts = new ArrayList<Parser>(); for (String artifactUrl : artifactUrls) { artifacts.add(new Parser(artifactUrl)); } List<MavenRepositoryURL> repos = new ArrayList<MavenRepositoryURL>(); for (String repoUrl : repoUrls) { repos.add(new MavenRepositoryURL(repoUrl)); } deployer.update(artifacts, repos); System.out.println("Completed the new pom is: "); System.out.println(Files.toString(pom)); Document xml = XmlUtils.parseDoc(pom); Element plugins = assertXPathElement(xml, "project/profiles/profile[id = 'openshift']/build/plugins"); Element cleanExecution = assertXPathElement(plugins, "plugin[artifactId = 'maven-clean-plugin']/executions/execution[id = 'fuse-fabric-clean']"); Element dependencySharedExecution = assertXPathElement(plugins, "plugin[artifactId = 'maven-dependency-plugin']/executions/execution[id = 'fuse-fabric-deploy-shared']"); Element dependencyWebAppsExecution = assertXPathElement(plugins, "plugin[artifactId = 'maven-dependency-plugin']/executions/execution[id = 'fuse-fabric-deploy-webapps']"); Element warPluginWarName = xpath("plugin[artifactId = 'maven-war-plugin']/configuration/warName") .element(plugins); if (warPluginWarName != null) { String warName = warPluginWarName.getTextContent(); System.out.println("WarName is now: " + warName); assertTrue("Should not have ROOT war name", !"ROOT".equals(warName)); } Element dependencies = assertXPathElement(xml, "project/dependencies"); Element repositories = assertXPathElement(xml, "project/repositories"); for (Parser artifact : artifacts) { // lets check there's only 1 dependency for group & artifact and it has the right version String group = groupId(artifact); String artifactId = artifact.getArtifact(); Element dependency = assertSingleDependencyForGroupAndArtifact(dependencies, group, artifactId); Element version = assertXPathElement(dependency, "version"); assertEquals("Version", artifact.getVersion(), version.getTextContent()); } // lets check we either preserve scope, add provided or don't add a scope if there's none present in the underlying pom assertDependencyScope(dependencies, "org.apache.camel", "camel-core", expectedCamelDependencyScope); assertDependencyScope(dependencies, "org.drools", "drools-wb-distribution-wars", "provided"); assertDependencyScope(dependencies, "io.hawt", "hawtio-web", expectedHawtioDependencyScope); assertRepositoryUrl(repositories, "http://repository.jboss.org/nexus/content/groups/public/"); assertRepositoryUrl(repositories, "http://repo.fusesource.com/nexus/content/groups/ea/"); } protected Element assertRepositoryUrl(Element repositories, String url) throws XPathExpressionException { return assertXPathElement(repositories, "repository[url='" + url + "']"); } protected void assertDependencyScope(Element dependencies, String group, String artifact, String expectedScope) throws XPathExpressionException { Element dependency = assertSingleDependencyForGroupAndArtifact(dependencies, group, artifact); String scope = xpath("scope").elementTextContent(dependency); assertEquals("scope for group " + group + " artifact " + artifact, expectedScope, scope); } protected Element assertSingleDependencyForGroupAndArtifact(Element dependencies, String group, String artifactId) throws XPathExpressionException { List<Element> dependencyList = assertXPathElements(dependencies, "dependency[groupId='" + group + "' and artifactId='" + artifactId + "']"); assertEquals("Should only have a single element matching! " + dependencyList, 1, dependencyList.size()); return dependencyList.get(0); } public static Element assertXPathElement(Node xml, String xpathExpression) throws XPathExpressionException { Element element = xpath(xpathExpression).element(xml); assertNotNull("Should have found element for XPath " + xpathExpression + " on " + xml, element); return element; } public static List<Element> assertXPathElements(Node xml, String xpathExpression) throws XPathExpressionException { List<Element> elements = xpath(xpathExpression).elements(xml); assertTrue("Should have found at least one element for XPath " + xpathExpression + " on " + xml, elements.size() > 0); return elements; } public static void assertFileExists(File file) { assertTrue("File " + file + " does not exist!", file.exists()); } public static void assertDirectoryExists(File file) { assertFileExists(file); assertTrue("File " + file + " is not a directory!", file.isDirectory()); } public static XPathFacade xpath(String expression) throws XPathExpressionException { return xpathBuilder.xpath(expression); } }