| /******************************************************************************* |
| * Copyright (c) 2017, 2020 GK Software AG, and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Stephan Herrmann - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.ui.tests.packageview; |
| |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import org.eclipse.jdt.testplugin.JavaProjectHelper; |
| |
| import org.eclipse.core.runtime.IPath; |
| |
| import org.eclipse.core.resources.IResource; |
| |
| import org.eclipse.jdt.core.IClasspathAttribute; |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.core.ClasspathAttribute; |
| |
| import org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider; |
| |
| /** |
| * Tests for the PackageExplorerContentProvider. |
| * <ul> |
| * <li>Bug 501507: [1.9] Consider displaying the module-info.java file in the source folder root |
| * </ul> |
| * |
| * @since 3.14 |
| */ |
| public class ContentProviderTests7 { |
| |
| private static Object[] NO_CHILDREN= new Object[0]; |
| |
| private IJavaProject fJProject; |
| private IPackageFragmentRoot fSrcFolder; |
| |
| // test matrix: |
| // Criterion (true/false): NameSegment: |
| // no ordinary CU in dlft package / with ordinary CU in dflt package = Module1 / Module2 |
| // hierarchical layout / flat layout = Hierarchical / Flat |
| // empty module-info / real module = Empty / |
| // Checking in each test: |
| // - children of fSrcFolder |
| // - children of the default package |
| private Object[][] runTest(boolean withClassInDfltPack, boolean isFlatLayout, boolean withModuleContent) throws JavaModelException { |
| IPackageFragment defaultPackage= fSrcFolder.getPackageFragment(""); |
| defaultPackage.createCompilationUnit("module-info.java", withModuleContent ? "module M {}" : "", true, null); |
| IPackageFragment p= fSrcFolder.createPackageFragment("p", true, null); |
| createEmptyClass(p, "PC", "p"); |
| IPackageFragment q= fSrcFolder.createPackageFragment("p.q", true, null); |
| createEmptyClass(q, "QC", "p.q"); |
| if (withClassInDfltPack) { |
| createEmptyClass(fSrcFolder.getPackageFragment(""), "DefC", null); |
| } |
| return new Object[][] { |
| getChildren(fSrcFolder, isFlatLayout), |
| getChildren(fSrcFolder.getPackageFragment(""), isFlatLayout) |
| }; |
| } |
| |
| private void createEmptyClass(IPackageFragment fragment, String name, String packageName) throws JavaModelException { |
| String packDecl= packageName != null ? "package "+packageName+";\n" : ""; |
| fragment.createCompilationUnit(name+".java", packDecl+"public class "+name+" {}\n", true, null); |
| } |
| |
| private IJavaElement getModuleInfo() { |
| return fSrcFolder.getPackageFragment("").getCompilationUnit("module-info.java"); |
| } |
| |
| private Object[] getChildren(IJavaElement src, boolean isFlatLayout) { |
| PackageExplorerContentProvider provider= new PackageExplorerContentProvider(false); |
| provider.setIsFlatLayout(isFlatLayout); |
| return provider.getChildren(src); |
| } |
| |
| private void assertResults(Object[][] actual, Object[] expectedSrcFolderChildren, Object[] expectedDefaultPkgChildren) { |
| assertTrue("Wrong children found for source folder", compareArrays(actual[0], expectedSrcFolderChildren)); |
| assertTrue("Wrong children found for default package", compareArrays(actual[1], expectedDefaultPkgChildren));//$NON-NLS-1$ |
| } |
| |
| @Test |
| public void testModule1EmptyHierarchical() throws Exception { |
| Object[][] actualResult= runTest(false, false, false); |
| Object[] expectedChildren= new Object[] { |
| getModuleInfo(), |
| fSrcFolder.getPackageFragment("p"), |
| }; |
| assertResults(actualResult, expectedChildren, NO_CHILDREN); |
| } |
| |
| @Test |
| public void testModule1Hierarchical() throws Exception { |
| Object[][] actualResult= runTest(false, false, true); |
| Object[] expectedChildren= new Object[]{ |
| getModuleInfo(), |
| fSrcFolder.getPackageFragment("p"), |
| }; |
| assertResults(actualResult, expectedChildren, NO_CHILDREN); |
| } |
| |
| @Test |
| public void testModule1EmptyFlat() throws Exception { |
| Object[][] actualResult= runTest(false, true, false); |
| Object[] expectedChildren= new Object[] { |
| getModuleInfo(), |
| fSrcFolder.getPackageFragment("p"), |
| fSrcFolder.getPackageFragment("p.q") |
| }; |
| assertResults(actualResult, expectedChildren, NO_CHILDREN); |
| } |
| |
| @Test |
| public void testModule1Flat() throws Exception { |
| Object[][] actualResult= runTest(false, true, true); |
| Object[] expectedChildren= new Object[] { |
| getModuleInfo(), |
| fSrcFolder.getPackageFragment("p"), |
| fSrcFolder.getPackageFragment("p.q") |
| }; |
| assertResults(actualResult, expectedChildren, NO_CHILDREN); |
| } |
| |
| @Test |
| public void testModule2EmptyHierarchical() throws Exception { |
| Object[][] actualResult= runTest(true, false, false); |
| createEmptyClass(fSrcFolder.getPackageFragment(""), "DefC", null); |
| Object[] expectedChildren= new Object[] { |
| getModuleInfo(), |
| fSrcFolder.getPackageFragment(""), |
| fSrcFolder.getPackageFragment("p"), |
| }; |
| assertResults(actualResult, expectedChildren, new Object[] {fSrcFolder.getPackageFragment("").getCompilationUnit("DefC.java") } ); |
| } |
| |
| @Test |
| public void testModule2Hierarchical() throws Exception { |
| Object[][] actualResult= runTest(true, false, true); |
| Object[] expectedChildren= new Object[] { |
| getModuleInfo(), |
| fSrcFolder.getPackageFragment(""), |
| fSrcFolder.getPackageFragment("p"), |
| }; |
| assertResults(actualResult, expectedChildren, new Object[] {fSrcFolder.getPackageFragment("").getCompilationUnit("DefC.java") } ); |
| } |
| |
| @Test |
| public void testModule2EmptyFlat() throws Exception { |
| Object[][] actualResult= runTest(true, true, false); |
| Object[] expectedChildren= new Object[] { |
| getModuleInfo(), |
| fSrcFolder.getPackageFragment(""), |
| fSrcFolder.getPackageFragment("p"), |
| fSrcFolder.getPackageFragment("p.q") |
| }; |
| assertResults(actualResult, expectedChildren, new Object[] {fSrcFolder.getPackageFragment("").getCompilationUnit("DefC.java") } ); |
| } |
| |
| @Test |
| public void testModule2Flat() throws Exception { |
| Object[][] actualResult= runTest(true, true, true); |
| Object[] expectedChildren= new Object[] { |
| getModuleInfo(), |
| fSrcFolder.getPackageFragment(""), |
| fSrcFolder.getPackageFragment("p"), |
| fSrcFolder.getPackageFragment("p.q") |
| }; |
| assertResults(actualResult, expectedChildren, new Object[] {fSrcFolder.getPackageFragment("").getCompilationUnit("DefC.java") } ); |
| } |
| |
| /* |
| * @see TestCase#setUp() |
| */ |
| @Before |
| public void setUp() throws Exception { |
| fJProject= JavaProjectHelper.createJavaProject("TestProject", "bin");//$NON-NLS-1$//$NON-NLS-2$ |
| assertNotNull("project null", fJProject);//$NON-NLS-1$ |
| IPath[] rtJarPath= JavaProjectHelper.findRtJar(JavaProjectHelper.RT_STUBS_9); |
| JavaProjectHelper.set9CompilerOptions(fJProject); |
| IClasspathAttribute[] attributes= { new ClasspathAttribute(IClasspathAttribute.MODULE, "true") }; |
| IClasspathEntry cpe= JavaCore.newLibraryEntry(rtJarPath[0], rtJarPath[1], rtJarPath[2], null, attributes, false); |
| JavaProjectHelper.addToClasspath(fJProject, cpe); |
| |
| |
| //set up project : Add classFolder |
| fSrcFolder= JavaProjectHelper.addSourceContainer(fJProject, "src", null, null); //$NON-NLS-1$ |
| assertNotNull("source folder null", fSrcFolder); //$NON-NLS-1$ |
| } |
| |
| private boolean compareArrays(Object[] children, Object[] expectedChildren) { |
| if(children.length!=expectedChildren.length) |
| return false; |
| for (Object child : children) { |
| if (child instanceof IJavaElement) { |
| IJavaElement el= (IJavaElement) child; |
| if(!contains(el, expectedChildren)) |
| return false; |
| } else if(child instanceof IResource){ |
| IResource res= (IResource) child; |
| if(!contains(res, expectedChildren)){ |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| private boolean contains(IResource res, Object[] expectedChildren) { |
| for (Object object : expectedChildren) { |
| if (object instanceof IResource) { |
| IResource expres= (IResource) object; |
| if(expres.equals(res)) |
| return true; |
| } |
| } |
| return false; |
| } |
| private boolean contains(IJavaElement fragment, Object[] expectedChildren) { |
| for (Object object : expectedChildren) { |
| if (object instanceof IJavaElement) { |
| IJavaElement expfrag= (IJavaElement) object; |
| if(expfrag.equals(fragment)) |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| JavaProjectHelper.delete(fJProject); |
| } |
| } |