Bug 266812 - [Tests] Add tests for creating/applying patches from UII20090414-0755

6 files changed, 311 insertions, 28 deletions

diff --git a/tests/org.eclipse.compare.tests/patchdata/patch_addition.txt b/tests/org.eclipse.compare.tests/patchdata/patch_addition.txt
index 4ec0df92e..1d9ea8675 100644
--- a/tests/org.eclipse.compare.tests/patchdata/patch_addition.txt
+++ b/tests/org.eclipse.compare.tests/patchdata/patch_addition.txt
@@ -1,5 +1,11 @@
---- addition.txt	2005-05-09 12:14:04.000000000 +0200
-+++ exp_addition.txt	2005-05-09 13:15:34.000000000 +0200
+### Eclipse Workspace Patch 1.0
+#P ApplyPatchTest
+Index: exp_addition.txt
+===================================================================
+RCS file: exp_addition.txt
+diff -N exp_addition.txt
+--- /dev/null	1 Jan 1970 00:00:00 -0000
++++ exp_addition.txt	1 Jan 1970 00:00:00 -0000
 @@ -0,0 +1,9 @@
 +[1]
 +[2]
diff --git a/tests/org.eclipse.compare.tests/patchdata/patch_context0.txt b/tests/org.eclipse.compare.tests/patchdata/patch_context0.txt
index 4fbbf3e33..1adb77b11 100644
--- a/tests/org.eclipse.compare.tests/patchdata/patch_context0.txt
+++ b/tests/org.eclipse.compare.tests/patchdata/patch_context0.txt
@@ -1,5 +1,11 @@
---- old.txt	2005-05-07 00:16:20.000000000 +0200
-+++ new.txt	2005-05-07 00:16:32.000000000 +0200
+### Eclipse Workspace Patch 1.0
+#P ApplyPatchTest
+Index: context.txt
+===================================================================
+RCS file: context.txt
+diff -N context.txt
+--- context.txt	2005-05-07 00:16:20.000000000 +0200
++++ context.txt	2005-05-07 00:16:32.000000000 +0200
 @@ -3,0 +4,2 @@
 +[c1]
 +[c2]
diff --git a/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/AllTests.java b/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/AllTests.java
index 0c43c9e7a..27799dbf5 100644
--- a/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/AllTests.java
+++ b/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/AllTests.java
@@ -33,6 +33,7 @@ public class AllTests {
 		suite.addTestSuite(FileDiffResultTest.class);
 		suite.addTestSuite(ContentMergeViewerTest.class);
 		suite.addTestSuite(PatchLinesTest.class);
+		suite.addTestSuite(PatchUITest.class);
 		// $JUnit-END$
 		return suite;
 	}
diff --git a/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/PatchUITest.java b/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/PatchUITest.java
new file mode 100644
index 000000000..18690aad0
--- /dev/null
+++ b/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/PatchUITest.java
@@ -0,0 +1,238 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2009 IBM Corporation 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.compare.tests;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.reflect.InvocationTargetException;
+
+import junit.framework.TestCase;
+
+import org.eclipse.compare.CompareConfiguration;
+import org.eclipse.compare.internal.patch.PatchWizard;
+import org.eclipse.compare.internal.patch.PatchWizardDialog;
+import org.eclipse.core.internal.resources.WorkspaceRoot;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IStorage;
+import org.eclipse.core.resources.IWorkspaceRoot;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.viewers.TreePath;
+import org.eclipse.jface.viewers.TreeSelection;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.wizard.IWizardPage;
+import org.eclipse.swt.dnd.Clipboard;
+import org.eclipse.swt.dnd.TextTransfer;
+import org.eclipse.swt.dnd.Transfer;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.internal.WorkbenchPlugin;
+
+public class PatchUITest extends TestCase {
+
+	private static final String TEST_PROJECT = "ApplyPatchTest";
+
+	private IWorkspaceRoot workspaceRoot = null;
+	private IProject testProject = null;
+
+	private PatchWizardDialog wizardDialog = null;
+	private PatchWizard wizard = null;
+
+	public PatchUITest(String name) {
+		super(name);
+	}
+
+	protected void setUp() throws Exception {
+		super.setUp();
+		workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
+		testProject = workspaceRoot.getProject(TEST_PROJECT);
+		testProject.create(null);
+		testProject.open(null);
+	}
+
+	protected void tearDown() throws Exception {
+		super.tearDown();
+		testProject.delete(true, null);
+	}
+
+	public void testApplyClipboardPatch() throws CoreException {
+		copyIntoClipboard("patch_context0.txt");
+		copyIntoWorkspace("context.txt");
+
+		openPatchWizard();
+		assertTrue(wizard.getPageCount() == 3);
+		IWizardPage patchWizardPage = wizard.getPages()[0];
+
+		assertTrue(patchWizardPage.canFlipToNextPage());
+
+		callMethod(wizardDialog, "nextPressed", new Object[] {});
+
+		processQueuedEvents();
+		assertTrue(wizard.canFinish());
+		wizard.performFinish();
+		wizardDialog.close();
+
+		InputStream expected = PatchUtils.asInputStream("exp_context.txt");
+		InputStream actual = testProject.getFile("context.txt").getContents();
+		compareStreams(expected, actual);
+	}
+
+	public void testApplyWorkspacePatch() throws CoreException {
+		copyIntoWorkspace("patch_addition.txt");
+
+		openPatchWizard();
+		assertTrue(wizard.getPageCount() == 3);
+		IWizardPage patchWizardPage = wizard.getPages()[0];
+
+		getButton(patchWizardPage, "fUseClipboardButton").setSelection(false);
+		getButton(patchWizardPage, "fUsePatchFileButton").setSelection(false);
+		getButton(patchWizardPage, "fUseWorkspaceButton").setSelection(true);
+
+		TreeViewer tree = getTreeViewer(patchWizardPage, "fTreeViewer");
+		treeSelect(tree, TEST_PROJECT + "/patch_addition.txt");
+
+		processQueuedEvents();
+		assertTrue(patchWizardPage.canFlipToNextPage());
+		callMethod(wizardDialog, "nextPressed", new Object[] {});
+
+		assertTrue(wizard.canFinish());
+		wizard.performFinish();
+		wizardDialog.close();
+
+		InputStream expected = PatchUtils.asInputStream("exp_addition.txt");
+		InputStream actual = testProject.getFile("exp_addition.txt")
+				.getContents();
+		compareStreams(expected, actual);
+	}
+
+	private void openPatchWizard() {
+		ImageDescriptor patchWizardImage = null;
+		String patchWizardTitle = null;
+
+		IStorage patch = null;
+		IResource target = null;
+		CompareConfiguration configuration = new CompareConfiguration();
+
+		wizard = new PatchWizard(patch, target, configuration);
+		if (patchWizardImage != null)
+			wizard.setDefaultPageImageDescriptor(patchWizardImage);
+		if (patchWizardTitle != null)
+			wizard.setWindowTitle(patchWizardTitle);
+		wizard.setNeedsProgressMonitor(true);
+
+		wizardDialog = new PatchWizardDialog(getShell(), wizard);
+		wizard.setDialog(wizardDialog);
+		wizardDialog.setBlockOnOpen(false);
+		wizardDialog.open();
+	}
+
+	private void copyIntoClipboard(String name) {
+		Clipboard clipboard = new Clipboard(getShell().getDisplay());
+		InputStream patchIS = PatchUtils.asInputStream(name);
+		String patch = null;
+		try {
+			patch = PatchUtils.asString(patchIS);
+		} catch (IOException e) {
+			fail(e.getMessage());
+		}
+		TextTransfer textTransfer = TextTransfer.getInstance();
+		Transfer[] transfers = new Transfer[] { textTransfer };
+		Object[] data = new Object[] { patch };
+		clipboard.setContents(data, transfers);
+		clipboard.dispose();
+	}
+
+	private void copyIntoWorkspace(String name) {
+		IFile file = testProject.getFile(name);
+		InputStream is = PatchUtils.asInputStream(name);
+		try {
+			file.create(is, true, null);
+		} catch (CoreException e) {
+			fail(e.getMessage());
+		}
+	}
+
+	private void compareStreams(InputStream expectedIS, InputStream actualIS) {
+		String expected = null;
+		String actual = null;
+		try {
+			expected = PatchUtils.asString(expectedIS);
+			actual = PatchUtils.asString(actualIS);
+		} catch (IOException e) {
+			fail(e.getMessage());
+		}
+		assertEquals(expected, actual);
+	}
+
+	private void treeSelect(TreeViewer tree, String path) {
+		WorkspaceRoot root = (WorkspaceRoot) tree.getInput();
+		IFile file = root.getFile(path);
+		TreePath treePath = new TreePath(new Object[] { file });
+		TreeSelection sel = new TreeSelection(treePath);
+		tree.setSelection(sel);
+	}
+
+	private Button getButton(Object object, String name) {
+		return (Button) getField(object, name);
+	}
+
+	private TreeViewer getTreeViewer(Object object, String name) {
+		return (TreeViewer) getField(object, name);
+	}
+
+	private Object getField(Object object, String name) {
+		Object ret = null;
+		try {
+			ret = ReflectionUtils.getField(object, name);
+		} catch (IllegalArgumentException e) {
+			fail(e.getMessage());
+		} catch (SecurityException e) {
+			fail(e.getMessage());
+		} catch (IllegalAccessException e) {
+			fail(e.getMessage());
+		} catch (NoSuchFieldException e) {
+			fail(e.getMessage());
+		}
+		return ret;
+	}
+
+	private Object callMethod(Object object, String name, Object args[]) {
+		Object ret = null;
+		try {
+			ret = ReflectionUtils.callMethod(object, name, args);
+		} catch (IllegalArgumentException e) {
+			fail(e.getMessage());
+		} catch (IllegalAccessException e) {
+			fail(e.getMessage());
+		} catch (InvocationTargetException e) {
+			fail(e.getMessage());
+		} catch (NoSuchMethodException e) {
+			fail(e.getMessage());
+		}
+		return ret;
+	}
+
+	private Shell getShell() {
+		return WorkbenchPlugin.getDefault().getWorkbench()
+				.getActiveWorkbenchWindow().getShell();
+	}
+
+	private void processQueuedEvents() {
+		while (Display.getCurrent().readAndDispatch()) {
+			// Process all the events in the queue
+		}
+	}
+
+}
diff --git a/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/ReflectionUtils.java b/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/ReflectionUtils.java
new file mode 100644
index 000000000..538738a4f
--- /dev/null
+++ b/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/ReflectionUtils.java
@@ -0,0 +1,56 @@
+/*******************************************************************************
+ * Copyright (c) 2009 IBM Corporation 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.compare.tests;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class ReflectionUtils {
+
+	public static Object callMethod(Object object, String name, Object args[])
+			throws IllegalArgumentException, IllegalAccessException,
+			InvocationTargetException, NoSuchMethodException {
+		Class types[] = new Class[args.length];
+		for (int i = 0; i < args.length; i++) {
+			types[i] = args[i].getClass();
+		}
+		Method method = null;
+		Class clazz = object.getClass();
+		NoSuchMethodException ex = null;
+		while (method == null && clazz != null) {
+			try {
+				method = clazz.getDeclaredMethod(name, types);
+			} catch (NoSuchMethodException e) {
+				if (ex == null) {
+					ex = e;
+				}
+				clazz = clazz.getSuperclass();
+			}
+		}
+		if (method == null) {
+			throw ex;
+		}
+		method.setAccessible(true);
+		Object ret = method.invoke(object, args);
+		return ret;
+	}
+
+	public static Object getField(Object object, String name)
+			throws IllegalArgumentException, IllegalAccessException,
+			SecurityException, NoSuchFieldException {
+		Field field = object.getClass().getDeclaredField(name);
+		field.setAccessible(true);
+		Object ret = field.get(object);
+		return ret;
+	}
+
+}
\ No newline at end of file
diff --git a/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/UITest.java b/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/UITest.java
deleted file mode 100644
index c557f228b..000000000
--- a/tests/org.eclipse.compare.tests/src/org/eclipse/compare/tests/UITest.java
+++ /dev/null
@@ -1,24 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2006 IBM Corporation 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:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.compare.tests;
-
-import junit.framework.TestCase;
-
-public class UITest extends TestCase {
-
-	public UITest(String name) {
-		super(name);
-	}
-		
-	public void testUI() {
-		// intentionally left empty
-	}
-}