| /******************************************************************************* |
| * Copyright (c) 2012, 2017 NumberFour AG and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * NumberFour AG - initial API and Implementation (Alex Panchenko) |
| *******************************************************************************/ |
| package org.eclipse.dltk.core.tests; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IFolder; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IncrementalProjectBuilder; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.dltk.core.tests.model.AbstractModelTests; |
| import org.eclipse.dltk.internal.core.ModelManager; |
| import org.eclipse.dltk.utils.ResourceUtil; |
| import org.eclipse.dltk.utils.TextUtils; |
| import org.eclipse.osgi.util.NLS; |
| import org.junit.Assert; |
| import org.junit.rules.RuleChain; |
| import org.junit.rules.TestRule; |
| |
| /** |
| * The ProjectSetup Rule provides convenient way of creating workspace project |
| * based on prepared template in JUnit4 tests: |
| * |
| * <pre> |
| * @ClassRule |
| * public static final ProjectSetup PROJECT = new ProjectSetup(....); |
| * </pre> |
| * |
| * In JUnit versions before 4.9 @ClassRule was not available, so instead of |
| * it, {@link #create(ProjectSetup...)} and {@link #delete(ProjectSetup...)} |
| * methods should be called manually from the methods annotated with |
| * @BeforeClas and @AfterClass. |
| */ |
| public class ProjectSetup extends AbstractProjectSetup { |
| |
| public static class Option { |
| Option() { |
| } |
| |
| /** |
| * Performs the full build of the project. |
| */ |
| public static final Option BUILD = new NamedOption("BUILD"); |
| |
| /** |
| * Disables the indexer before and enables it back after. |
| */ |
| public static final Option INDEXER_DISABLED = new NamedOption( |
| "INDEXER_DISABLED"); |
| |
| /** |
| * Waits for the indexer to complete after the project creation. |
| */ |
| public static final Option WAIT_INDEXES_READY = new NamedOption( |
| "WAIT_INDEXES_READY"); |
| |
| /** |
| * Enables some logging, makes sense only while debugging |
| */ |
| public static final Option VERBOSE = new NamedOption("VERBOSE"); |
| |
| /** |
| * Specifies if project should be left closed after creation. |
| */ |
| public static final Option CLOSED = new NamedOption("CLOSED"); |
| |
| /** |
| * Specifies the exclusion path, those files will be excluded during |
| * initial project creation, but can be created individually later. |
| * |
| * @see #createFile(String, Option) |
| */ |
| public static Option exclude(String path) { |
| return new ExcludeOption(path); |
| } |
| } |
| |
| private static class NamedOption extends Option { |
| private final String name; |
| |
| public NamedOption(String name) { |
| this.name = name; |
| } |
| |
| @Override |
| public String toString() { |
| return name; |
| } |
| } |
| |
| private static class ExcludeOption extends Option { |
| final String path; |
| |
| public ExcludeOption(String path) { |
| this.path = path; |
| } |
| } |
| |
| /** |
| * This method implements workaround when using this class in JUnit before |
| * 4.9 (without @ClassRule) and should be called from the method |
| * annotated with @BeforeClass |
| */ |
| public static void create(ProjectSetup... projects) throws Throwable { |
| for (ProjectSetup project : projects) { |
| project.before(); |
| } |
| } |
| |
| /** |
| * This method implements workaround when using this class in JUnit before |
| * 4.9 (without @ClassRule) and should be called from the method |
| * annotated with @AfterClass |
| */ |
| public static void delete(ProjectSetup... projects) { |
| for (ProjectSetup project : projects) { |
| project.after(); |
| } |
| } |
| |
| private final IWorkspaceSetup workspaceSetup; |
| private final String projectName; |
| private IProject project; |
| private final Set<Option> options; |
| |
| public ProjectSetup(IWorkspaceSetup workspaceSetup, String projectName) { |
| this.workspaceSetup = workspaceSetup; |
| this.projectName = projectName; |
| this.options = Collections.emptySet(); |
| } |
| |
| public ProjectSetup(IWorkspaceSetup workspaceSetup, String projectName, |
| Option option, Option... restOptions) { |
| this.workspaceSetup = workspaceSetup; |
| this.projectName = projectName; |
| this.options = new HashSet<>(); |
| this.options.add(option); |
| Collections.addAll(this.options, restOptions); |
| if (hasOption(Option.INDEXER_DISABLED) |
| && hasOption(Option.WAIT_INDEXES_READY)) { |
| throw new IllegalStateException("Conflicting options: " |
| + TextUtils.join(Arrays.asList(Option.INDEXER_DISABLED, |
| Option.WAIT_INDEXES_READY), ",")); |
| } |
| } |
| |
| protected boolean hasOption(Option option) { |
| return options.contains(option); |
| } |
| |
| @Override |
| protected boolean isVerbose() { |
| return hasOption(Option.VERBOSE); |
| } |
| |
| @Override |
| protected void before() throws Throwable { |
| workspaceSetup.before(); |
| if (hasOption(Option.INDEXER_DISABLED)) { |
| ModelManager.getModelManager().getIndexManager().disable(); |
| } |
| project = createProject(getProjectName()); |
| if (hasOption(Option.BUILD)) { |
| final long start = System.currentTimeMillis(); |
| buildProject(); |
| if (isVerbose()) { |
| System.out.println((System.currentTimeMillis() - start) |
| + " ms for full build of " + getProjectName() |
| + " project"); |
| } |
| } |
| if (hasOption(Option.WAIT_INDEXES_READY)) { |
| ModelManager.getModelManager().getIndexManager().waitUntilReady(); |
| } |
| } |
| |
| protected IProject createProject(String workspaceProjectName) |
| throws IOException, CoreException { |
| final File source = getSourceDirectory(); |
| if (!source.isDirectory()) { |
| throw new IllegalStateException( |
| NLS.bind("Source directory \"{0}\" doesn't exist", source)); |
| } |
| final Set<File> excludes = new HashSet<>(); |
| for (Option option : options) { |
| if (option instanceof ExcludeOption) { |
| final File exclude = new File(source, |
| ((ExcludeOption) option).path); |
| if (!exclude.exists()) { |
| throw new IllegalStateException(NLS.bind( |
| "Excluded file \"{0}\" doesn't exist", exclude)); |
| } |
| excludes.add(exclude); |
| } |
| } |
| final File target = getWorkspaceRoot().getLocation() |
| .append(workspaceProjectName).toFile(); |
| FileUtil.copyDirectory(source, target, excludes); |
| final IProject project = getWorkspaceRoot() |
| .getProject(workspaceProjectName); |
| ResourcesPlugin.getWorkspace().run(monitor -> { |
| project.create(null); |
| if (!hasOption(Option.CLOSED)) { |
| project.open(null); |
| } |
| }, null); |
| return project; |
| } |
| |
| public File getSourceDirectory() { |
| return new File(workspaceSetup.getSourceWorkspaceDirectory(), |
| getSourceProjectName()); |
| } |
| |
| protected void buildProject() throws CoreException { |
| get().build(IncrementalProjectBuilder.FULL_BUILD, null); |
| } |
| |
| @Override |
| protected void after() { |
| if (project != null) { |
| try { |
| deleteProject(project); |
| } catch (CoreException e) { |
| e.printStackTrace(); |
| } |
| project = null; |
| } |
| try { |
| deleteProject(getWorkspaceRoot().getProject(getProjectName())); |
| } catch (CoreException e) { |
| e.printStackTrace(); |
| } |
| if (hasOption(Option.INDEXER_DISABLED)) { |
| ModelManager.getModelManager().getIndexManager().enable(); |
| } |
| workspaceSetup.after(); |
| } |
| |
| private static void deleteProject(IProject project) throws CoreException { |
| if (project.exists() && !project.isOpen()) { |
| // force opening so that project can be deleted without |
| // logging (see bug 23629) |
| project.open(null); |
| } |
| AbstractModelTests.deleteResource(project); |
| } |
| |
| /** |
| * Returns name of the project in the {@link #workspaceSetup source |
| * workspace}. |
| */ |
| public String getSourceProjectName() { |
| return projectName; |
| } |
| |
| /** |
| * Returns workspace name of the project. |
| */ |
| @Override |
| public String getProjectName() { |
| return projectName; |
| } |
| |
| /** |
| * Returns this project as IProject |
| */ |
| @Override |
| public IProject get() { |
| Assert.assertNotNull( |
| "ProjectSetup " + getProjectName() + " not initialized", |
| project); |
| return project; |
| } |
| |
| /** |
| * Creates the specified file from the source project. Typical use case is |
| * creation of the files which were excluded initially. |
| * |
| * @param filename |
| * project related filename |
| * @param option |
| * {@link Option#BUILD} or <code>null</code> |
| * @throws CoreException |
| */ |
| public IFile createFile(String filename, Option option) |
| throws CoreException { |
| final File sourceFile = new File(getSourceDirectory(), filename); |
| if (!sourceFile.isFile()) { |
| throw new IllegalArgumentException( |
| NLS.bind("Source file {0} doesn't exist", sourceFile)); |
| } |
| final IFile file = getFile(filename); |
| final FileInputStream input; |
| try { |
| input = new FileInputStream(sourceFile); |
| } catch (FileNotFoundException e) { |
| throw new IllegalArgumentException(e); |
| } |
| if (file.exists()) { |
| file.setContents(input, IResource.NONE, null); |
| } else { |
| final IContainer parent = file.getParent(); |
| if (parent instanceof IFolder) { |
| ResourceUtil.createFolder((IFolder) parent, null); |
| } |
| file.create(input, IResource.NONE, null); |
| } |
| if (option == ProjectSetup.Option.BUILD) { |
| build(); |
| } |
| return file; |
| } |
| |
| /** |
| * Creates {@link RuleChain} initializing the specified rules in the |
| * specified order. |
| */ |
| public static RuleChain chainOf(TestRule first, TestRule second, |
| TestRule... rest) { |
| RuleChain chain = RuleChain.outerRule(first).around(second); |
| for (TestRule rule : rest) { |
| chain = chain.around(rule); |
| } |
| return chain; |
| } |
| |
| } |