tests/org.eclipse.team.tests.cvs.core/src/org/eclipse/team/tests/ccvs/core/subscriber/CVSWorkspaceSubscriberTest.java

/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.team.tests.ccvs.core.subscriber;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

import junit.framework.Test;
import junit.framework.TestSuite;

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.IProjectDescription;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.Path;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.subscribers.SyncInfo;
import org.eclipse.team.core.subscribers.TeamDelta;
import org.eclipse.team.core.subscribers.TeamSubscriber;
import org.eclipse.team.internal.ccvs.core.CVSException;
import org.eclipse.team.internal.ccvs.core.CVSTag;
import org.eclipse.team.internal.ccvs.core.ICVSFolder;
import org.eclipse.team.internal.ccvs.core.ICVSResource;
import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
import org.eclipse.team.internal.ccvs.ui.subscriber.SubscriberCommitAction;
import org.eclipse.team.internal.ccvs.ui.subscriber.WorkspaceUpdateAction;
import org.eclipse.team.internal.ui.sync.views.SyncResource;
import org.eclipse.team.tests.ccvs.core.CVSTestSetup;
import org.eclipse.team.ui.sync.SyncResourceSet;

/**
 * This class tests the CVSWorkspaceSubscriber
 */
public class CVSWorkspaceSubscriberTest extends CVSSyncSubscriberTest {
	
	/**
	 * Constructor for CVSProviderTest
	 */
	public CVSWorkspaceSubscriberTest() {
		super();
	}

	/**
	 * Constructor for CVSProviderTest
	 */
	public CVSWorkspaceSubscriberTest(String name) {
		super(name);
	}

	public static Test suite() {
		String testName = System.getProperty("eclipse.cvs.testName");
		if (testName == null) {
			TestSuite suite = new TestSuite(CVSWorkspaceSubscriberTest.class);
			return new CVSTestSetup(suite);
		} else {
			return new CVSTestSetup(new CVSWorkspaceSubscriberTest(testName));
		}
	}
	
	private TeamSubscriber getSubscriber() throws TeamException {
		return getWorkspaceSubscriber();
	}
	
	/* (non-Javadoc)
	 * 
	 * Override to check that the proper sync state is achieved.
	 * 
	 * @see org.eclipse.team.tests.ccvs.core.EclipseTest#setContentsAndEnsureModified(org.eclipse.core.resources.IFile)
	 */
	protected void setContentsAndEnsureModified(IFile file) throws CoreException, TeamException {
		// The delta will indicate to any interested parties that the sync state of the
		// file has changed
		super.setContentsAndEnsureModified(file);
		assertSyncEquals("Setting contents: ", file, SyncInfo.OUTGOING | SyncInfo.CHANGE);
	}
	
	private void assertSyncEquals(String string, IProject project, String[] strings, boolean b, int[] is) throws CoreException, TeamException {
		assertSyncEquals(string, getSubscriber(), project, strings, b, is);
	}
	
	private void assertSyncEquals(String message, IResource resource, int depth) throws TeamException {
		assertSyncEquals(message, getSubscriber(), resource, depth);
		
	}

	/* (non-Javadoc)
	 * @see org.eclipse.team.tests.ccvs.core.EclipseTest#addResources(org.eclipse.core.resources.IResource[])
	 */
	protected void addResources(IResource[] resources) throws TeamException, CVSException, CoreException {
		// first, get affected children
		IResource[] affectedChildren = collect(resources, new ResourceCondition() {
			public boolean matches(IResource resource) throws CoreException, TeamException {
				ICVSResource cvsResource = CVSWorkspaceRoot.getCVSResourceFor(resource);
				return (!cvsResource.isManaged() && !cvsResource.isIgnored());
			}
		}, IResource.DEPTH_INFINITE);
		// also get affected parents
		IResource[] affectedParents = collectAncestors(resources, new ResourceCondition() {
			public boolean matches(IResource resource) throws CoreException, TeamException {
				if (resource.getType() == IResource.PROJECT) return false;
				ICVSResource cvsResource = CVSWorkspaceRoot.getCVSResourceFor(resource);
				return (!cvsResource.isManaged() && !cvsResource.isIgnored());
			}
		});
		Set affected = new HashSet();
		affected.addAll(Arrays.asList(affectedChildren));
		affected.addAll(Arrays.asList(affectedParents));
		
		registerSubscriberListener();
		super.addResources(resources);
		TeamDelta[] changes = deregisterSubscriberListener();
		assertSyncChangesMatch(changes, (IResource[]) affected.toArray(new IResource[affected.size()]));
		for (int i = 0; i < resources.length; i++) {
			IResource resource = resources[i];
			if (resource.getType() == IResource.FILE) {
				assertSyncEquals("Add", resource, SyncInfo.OUTGOING | SyncInfo.ADDITION);
			} else {
				// TODO: a folder should be in sync but isn't handled properly
				assertSyncEquals("Add", resource, SyncInfo.IN_SYNC);
			}
			
		}
	}

	/**
	 * 
	 */
	private void registerSubscriberListener() throws TeamException {
		registerSubscriberListener(getSubscriber());
	}

	/* (non-Javadoc)
	 * @see org.eclipse.team.tests.ccvs.core.EclipseTest#deleteResources(org.eclipse.core.resources.IResource[])
	 */
	protected void deleteResources(IResource[] resources) throws TeamException, CoreException {
		IResource[] affected = collect(resources, new ResourceCondition(), IResource.DEPTH_INFINITE);
		registerSubscriberListener();
		super.deleteResources(resources);
		TeamDelta[] changes = deregisterSubscriberListener();
		assertSyncChangesMatch(changes, affected);
		for (int i = 0; i < resources.length; i++) {
			IResource resource = resources[i];
			assertSyncEquals("Delete", resource, SyncInfo.OUTGOING | SyncInfo.DELETION);
		}
	}
	
	/**
	 * @return
	 */
	private TeamDelta[] deregisterSubscriberListener() throws TeamException {
		return deregisterSubscriberListener(getSubscriber());
	}

	/* (non-Javadoc)
	 * @see org.eclipse.team.tests.ccvs.core.EclipseTest#commitResources(org.eclipse.core.resources.IResource[])
	 */
	protected void commitResources(IResource[] resources, int depth) throws TeamException, CVSException, CoreException {
		IResource[] affected = collect(resources, new ResourceCondition() {
				public boolean matches(IResource resource) throws CoreException, TeamException {
					ICVSResource cvsResource = CVSWorkspaceRoot.getCVSResourceFor(resource);
					return (!cvsResource.isFolder() && cvsResource.isManaged() && cvsResource.isModified(DEFAULT_MONITOR));
				}
			}, IResource.DEPTH_INFINITE);
		registerSubscriberListener();
		super.commitResources(resources, depth);
		TeamDelta[] changes = deregisterSubscriberListener();
		assertSyncChangesMatch(changes, affected);
		for (int i = 0; i < resources.length; i++) {
			IResource resource = resources[i];
			if (resource.exists())
				assertSyncEquals("Commit", resource, SyncInfo.IN_SYNC);
		}
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.team.tests.ccvs.core.EclipseTest#unmanageResources(org.eclipse.core.resources.IResource[])
	 */
	protected void unmanageResources(IResource[] resources) throws CoreException, TeamException {
		IResource[] affected = collect(resources, new ResourceCondition() {
				public boolean matches(IResource resource) throws CoreException, TeamException {
					ICVSResource cvsResource = CVSWorkspaceRoot.getCVSResourceFor(resource);
					return (cvsResource.isManaged());
				}
			}, IResource.DEPTH_INFINITE);
		registerSubscriberListener();
		super.unmanageResources(resources);
		TeamDelta[] changes = deregisterSubscriberListener();
		assertSyncChangesMatch(changes, affected);
		for (int i = 0; i < resources.length; i++) {
			IResource resource = resources[i];
			if (resource.exists())
				assertSyncEquals("Unmanage", resource, SyncInfo.IN_SYNC);
		}
	}
	
	/**
	 * Update the resources from an existing container with the changes from the CVS repository.
	 * This update uses the SubscriberUpdateAction to perform the update so that all special
	 * cases should be handled properly
	 */
	public IResource[] updateResources(IContainer container, String[] hierarchy, boolean ignoreLocalChanges) throws CoreException, TeamException {
		IResource[] resources = getResources(container, hierarchy);
		SyncResource[] syncResources = createSyncResources(resources);
		updateResources(syncResources);
		return resources;
	}
	
	/**
	 * @param resources
	 * @return
	 */
	private SyncResource[] createSyncResources(IResource[] resources) throws TeamException {
		return createSyncResources(getSubscriber(), resources);
	}

	/**
	 * Commit the resources from an existing container to the CVS repository.
	 * This commit uses the SubscriberCommitAction to perform the commit so that all special
	 * cases should be handled properly
	 */
	public IResource[] commitResources(IContainer container, String[] hierarchy) throws CoreException, TeamException {
		IResource[] resources = getResources(container, hierarchy);
		SyncResource[] syncResources = createSyncResources(resources);
		commitResources(syncResources);
		return resources;
	}

	/**
	 * @param syncResources
	 */
	private void updateResources(SyncResource[] syncResources) throws CVSException {
		new WorkspaceUpdateAction().run(new SyncResourceSet(syncResources), DEFAULT_MONITOR);	
	}

	/**
	 * @param syncResources
	 */
	private void commitResources(SyncResource[] syncResources) throws CVSException {
		new SubscriberCommitAction().run(new SyncResourceSet(syncResources), DEFAULT_MONITOR);	
	}
	
	/*
	 * Perform a simple test that checks for the different types of incoming changes
	 */
	public void testIncomingChanges() throws IOException, CoreException, TeamException {
		// Create a test project
		IProject project = createProject("testIncomingChanges", new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"});
		
		// Checkout and modify a copy
		IProject copy = checkoutCopy(project, "-copy");
		setContentsAndEnsureModified(copy.getFile("folder1/a.txt"));
		addResources(copy, new String[] { "folder2/folder3/add.txt" }, false);
		deleteResources(copy, new String[] {"folder1/b.txt"}, false);
		commitProject(copy);

		// Get the sync tree for the project
		assertSyncEquals("testIncomingChanges", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt", "folder2/", "folder2/folder3/", "folder2/folder3/add.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.INCOMING | SyncInfo.CHANGE,
				SyncInfo.INCOMING | SyncInfo.DELETION,
				SyncInfo.INCOMING | SyncInfo.ADDITION,
				SyncInfo.INCOMING | SyncInfo.ADDITION,
				SyncInfo.INCOMING | SyncInfo.ADDITION});
				
		// Catch up to the incoming changes
		updateResources(
			project, 
			new String[] {
				"folder1/a.txt", 
				"folder1/b.txt", 
				"folder2/", 
				"folder2/folder3/", 
				"folder2/folder3/add.txt"}, 
			false /* ignore local changes */);
		
		// Verify that we are in sync (except for "folder1/b.txt", which was deleted)
		assertSyncEquals("testIncomingChanges", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder2/", "folder2/folder3/", "folder2/folder3/add.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC});
		
		// Ensure "folder1/b.txt" was deleted
		assertDeleted("testIncomingChanges", project, new String[] {"folder1/b.txt"});
				
		// Verify that the copy equals the original
		assertEquals(project, copy);
	}

	/*
	 * Perform a simple test that checks for the different types of outgoing changes
	 */
	public void testOutgoingChanges() throws TeamException, CoreException {
		// Create a test project (which commits it as well)
		IProject project = createProject("testOutgoingChanges", new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"});
		
		// Make some modifications
		setContentsAndEnsureModified(project.getFile("folder1/a.txt"));
		addResources(project, new String[] { "folder2/folder3/add.txt" }, false);
		deleteResources(project, new String[] {"folder1/b.txt"}, false);

		// Get the sync tree for the project
		assertSyncEquals("testOutgoingChanges", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt", "folder2/", "folder2/folder3/", "folder2/folder3/add.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.OUTGOING | SyncInfo.CHANGE,
				SyncInfo.OUTGOING | SyncInfo.DELETION,
				SyncInfo.IN_SYNC, /* adding a folder creates it remotely */
				SyncInfo.IN_SYNC, /* adding a folder creates it remotely */
				SyncInfo.OUTGOING | SyncInfo.ADDITION});
				
		// Commit the changes
		commitResources(project, new String[] {"folder1/a.txt", "folder1/b.txt", "folder2/folder3/add.txt"});
		
		// Ensure we're in sync
		assertSyncEquals("testOutgoingChanges", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder2/", "folder2/folder3/", "folder2/folder3/add.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC});
				
		// Ensure deleted resource "folder1/b.txt" no longer exists
		assertDeleted("testOutgoingChanges", project, new String[] {"folder1/b.txt"});
	}
	
	/*
	 * Perform a simple test that checks for the different types of outgoing changes
	 */
	public void testOverrideOutgoingChanges() throws CoreException, TeamException, IOException {
		// Create a test project (which commits it as well)
		IProject project = createProject("testOverrideOutgoingChanges", new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"});
		// Checkout a copy for later verification
		IProject original = checkoutCopy(project, "-copy");
		
		// Make some modifications
		setContentsAndEnsureModified(project.getFile("folder1/a.txt"));
		addResources(project, new String[] { "folder2/folder3/add.txt" }, false);
		deleteResources(project, new String[] {"folder1/b.txt"}, false);

		// Get the sync tree for the project
		assertSyncEquals("testOverrideOutgoingChanges", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt", "folder2/", "folder2/folder3/", "folder2/folder3/add.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.OUTGOING | SyncInfo.CHANGE,
				SyncInfo.OUTGOING | SyncInfo.DELETION,
				SyncInfo.IN_SYNC, /* adding a folder creates it remotely */
				SyncInfo.IN_SYNC, /* adding a folder creates it remotely */
				SyncInfo.OUTGOING | SyncInfo.ADDITION});
				
		// Commit the changes
		updateResources(
			project, 
			new String[] {
				"folder1/a.txt", 
				"folder1/b.txt", 
				"folder2/folder3/add.txt"},
			true /* ignore local changes */);
		
		// Ensure added resources no longer exist
		assertDeleted("testOverrideOutgoingChanges", project, new String[] {"folder2/", "folder2/folder3/","folder2/folder3/add.txt"});
		
		// Ensure other resources are in sync
		assertSyncEquals("testOverrideOutgoingChanges", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt", "folder2/"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC});
		
		// Verify that the original has reverted to its original contents
		assertEquals(project, original);
	}
	
	/*
	 * Perform a test that checks for outgoing changes that are CVS questionables (no add or remove)
	 */
	public void testOutgoingQuestionables() throws TeamException, CoreException {
		// Create a test project (which commits it as well)
		IProject project = createProject("testIncomingChanges", new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"});
		
		// Create a new file without adding it to version control
		buildResources(project, new String[] {"folder2/folder3/add.txt"}, false);
		
		// Delete a file without an explicit cvs remove
		// NOTE: This will result in an implicit cvs remove
		IFile file = project.getFile("folder1/b.txt");
		file.delete(true, DEFAULT_MONITOR);

		// Get the sync tree for the project
		assertSyncEquals("testOutgoingQuestionables", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt", "folder2/", "folder2/folder3/", "folder2/folder3/add.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.OUTGOING | SyncInfo.DELETION,
				SyncInfo.OUTGOING | SyncInfo.ADDITION,
				SyncInfo.OUTGOING | SyncInfo.ADDITION,
				SyncInfo.OUTGOING | SyncInfo.ADDITION});
				
		commitResources(project, new String[] {"folder1/b.txt", "folder2/", "folder2/folder3/", "folder2/folder3/add.txt"});
		
		// Ensure we are in sync
		assertSyncEquals("testOutgoingQuestionables", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder2/", "folder2/folder3/", "folder2/folder3/add.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC});
				
		// Ensure "folder1/b.txt" was deleted
		assertDeleted("testOutgoingQuestionables", project, new String[] {"folder1/b.txt"});
	}
	
	/*
	 * Test simple file conflicts
	 */
	public void testFileConflict() throws TeamException, CoreException, IOException {
		// Create a test project (which commits it as well)
		IProject project = createProject("testFileConflict", new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"});
		
		// Checkout a copy and make some modifications
		IProject copy = checkoutCopy(project, "-copy");
		appendText(copy.getFile("file1.txt"), "prefix\n", true);
		setContentsAndEnsureModified(copy.getFile("folder1/a.txt"), "Use a custom string to avoid intermitant errors!");
		commitProject(copy);

		// Make the same modifications to the original (We need to test both M and C!!!)
		appendText(project.getFile("file1.txt"), "\npostfix", false); // This will test merges (M)
		setContentsAndEnsureModified(project.getFile("folder1/a.txt"));

		// Get the sync tree for the project
		assertSyncEquals("testFileConflict", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt"}, 
			true, new int[] {
				SyncInfo.CONFLICTING | SyncInfo.CHANGE,
				SyncInfo.IN_SYNC,
				SyncInfo.CONFLICTING | SyncInfo.CHANGE });
		
		// Catch up to the file1.txt conflict using UPDATE with ignoreLocalChanges
		updateResources(
			project,
			new String[] {"file1.txt"},
			true /* ignore local changes */);
								 
		assertSyncEquals("testFileConflict", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.CONFLICTING | SyncInfo.CHANGE });
				
		// Release the folder1/a.txt conflict by merging and then committing
		commitResources(project, new String[] {"folder1/a.txt"});
		
		assertSyncEquals("testFileConflict", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC });
	}

	/*
	 * Test conflicts involving additions
	 */
	public void testAdditionConflicts() throws TeamException, CoreException {
		
		// CASE 1: The user adds (using CVS add) a remotely added file
		//     (a) catchup is simply get?
		//     (b) release must do a merge
		// CASE 2: The user adds (but not using cvs add) a remotely added file
		//     (a) catchup is simply get?
		//     (b) release must do a merge
		// CASE 3: The user adds a remotely added then deleted file
		//     catchup is not applicable
		//     release is normal
		
		// Create a test project (which commits it as well) and add an uncommited resource
		IProject project = createProject("testAdditionConflicts", new String[] { "file.txt"});
		addResources(project, new String[] { "add1a.txt", "add1b.txt" }, false);
		addResources(project, new String[] { "add3.txt" }, false);
		buildResources(project, new String[] {"add2a.txt", "add2b.txt"}, false);
		
		// Checkout a copy, add the same resource and commit
		IProject copy = checkoutCopy(project, "-copy");
		addResources(copy, new String[] { "add1a.txt", "add1b.txt", "add2a.txt", "add2b.txt", "add3.txt"}, true);
		deleteResources(copy, new String[] { "add3.txt"}, true);

		// Get the sync tree for the project
		assertSyncEquals("testAdditionConflicts", project, 
			new String[] { "file.txt", "add1a.txt", "add1b.txt", "add2a.txt", "add2b.txt", "add3.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.CONFLICTING | SyncInfo.ADDITION,
				SyncInfo.CONFLICTING | SyncInfo.ADDITION,
				SyncInfo.CONFLICTING | SyncInfo.ADDITION,
				SyncInfo.CONFLICTING | SyncInfo.ADDITION,
				SyncInfo.OUTGOING | SyncInfo.ADDITION });
		
		// Commit conflicting add1b.txt and add2b.txt and outgoing add3.txt
		commitResources(project, new String[]{"add1b.txt", "add2b.txt", "add3.txt"});

		assertSyncEquals("testAdditionConflicts", project, 
			new String[] { "file.txt", "add1b.txt", "add2b.txt", "add3.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC });
				
		// Catch-up to conflicting cases using UPDATE
		updateResources(
			project,
			new String[] {"add1a.txt", "add2a.txt"},
			true /* ignore local changes */);

		
		assertSyncEquals("testAdditionConflicts", project, 
			new String[] { "add1a.txt", "add2a.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC });
	}
	
	/*
	 * Test conflicts involving deletions
	 */
	public void testDeletionConflicts() throws TeamException, CoreException {
		
		// CASE 1: The user deletes a remotely modified file
		//    (a) catchup must do an update
		//    (b) release must do a merge
		// CASE 2: The user deletes (and removes) a remotely modified file	
		//    (a) catchup must do an unmanage and update
		//    (b) release must do a merge
		// CASE 3: The user modified a remotely deleted file
		//    (a) catchup must do an unmanage and local delete
		//    (b) release must do a merge
		// CASE 4: The user deletes a remotely deleted file
		//    (a) catchup can update (or unmanage?)
		//    (b) release must unmanage
		// CASE 5: The user deletes (and removes) a remotely deleted file
		//    (a) catchup can update (or unmanage?)
		//    (b) release must unmanage
		
		// Perform the test case for case A first
		
		// Create a test project (which commits it as well) and delete the resource without committing
		IProject project = createProject("testDeletionConflictsA", new String[] { "delete1.txt", "delete2.txt", "delete3.txt", "delete4.txt", "delete5.txt"});
		IFile file = project.getFile("delete1.txt"); // WARNING: This does a "cvs remove"!!!
		file.delete(false, DEFAULT_MONITOR);
		deleteResources(project, new String[] {"delete2.txt"}, false);
		setContentsAndEnsureModified(project.getFile("delete3.txt"));
		file = project.getFile("delete4.txt");
		file.delete(false, DEFAULT_MONITOR);
		deleteResources(project, new String[] {"delete5.txt"}, false);
		
		// Checkout a copy and commit the deletion
		IProject copy = checkoutCopy(project, "-copy");
		setContentsAndEnsureModified(copy.getFile("delete1.txt"));
		setContentsAndEnsureModified(copy.getFile("delete2.txt"));
		deleteResources(copy, new String[] {"delete3.txt", "delete4.txt", "delete5.txt"}, false);
		commitProject(copy);
		
		// Get the sync tree for the project
		assertSyncEquals("testDeletionConflictsA", project, 
			new String[] { "delete1.txt", "delete2.txt", "delete3.txt", "delete4.txt", "delete5.txt"}, 
			true, new int[] {
				SyncInfo.CONFLICTING | SyncInfo.CHANGE,
				SyncInfo.CONFLICTING | SyncInfo.CHANGE,
				SyncInfo.CONFLICTING | SyncInfo.CHANGE,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC });
				
		// Catch up to remote changes.
		updateResources(
			project, 
			new String[] {
				"delete1.txt", 
				"delete2.txt", 
				"delete3.txt", 
				"delete4.txt", 
				"delete5.txt"}, 
			true /* ignore local changes */);
		
		assertSyncEquals("testDeletionConflictsA", project, 
			new String[] { "delete1.txt", "delete2.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC });
		
		assertDeleted("testDeletionConflictsA", project, new String[] {"delete3.txt", "delete4.txt", "delete5.txt"});
		
		// Now redo the test case for case B
		
		// Create a test project (which commits it as well) and delete the resource without committing
		project = createProject("testDeletionConflictsB", new String[] { "delete1.txt", "delete2.txt", "delete3.txt", "delete4.txt", "delete5.txt"});
		file = project.getFile("delete1.txt");
		file.delete(false, DEFAULT_MONITOR);
		deleteResources(project, new String[] {"delete2.txt"}, false);
		setContentsAndEnsureModified(project.getFile("delete3.txt"));
		file = project.getFile("delete4.txt");
		file.delete(false, DEFAULT_MONITOR);
		deleteResources(project, new String[] {"delete5.txt"}, false);
		
		// Checkout a copy and commit the deletion
		copy = checkoutCopy(project, "-copy");
		setContentsAndEnsureModified(copy.getFile("delete1.txt"));
		setContentsAndEnsureModified(copy.getFile("delete2.txt"));
		deleteResources(copy, new String[] {"delete3.txt", "delete4.txt", "delete5.txt"}, false);
		commitProject(copy);

		// Get the sync tree for the project
		assertSyncEquals("testDeletionConflictsB", project, 
			new String[] { "delete1.txt", "delete2.txt", "delete3.txt", "delete4.txt", "delete5.txt"}, 
			true, new int[] {
				SyncInfo.CONFLICTING | SyncInfo.CHANGE,
				SyncInfo.CONFLICTING | SyncInfo.CHANGE,
				SyncInfo.CONFLICTING | SyncInfo.CHANGE,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC });

		// Release the resources
		commitResources(project, new String[] { "delete1.txt", "delete2.txt", "delete3.txt", "delete4.txt", "delete5.txt"});
		
		assertSyncEquals("testDeletionConflictsB", project, 
			new String[] { "delete3.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC });
		
		assertDeleted("testDeletionConflictsB", project, new String[] {"delete1.txt", "delete2.txt", "delete4.txt", "delete5.txt"});
	}
	
	/*
	 * Test the creation and sync of an empty local project that has remote contents
	 */
	public void testSyncOnEmptyProject() throws TeamException {
	}
	
	/*
	 * Test syncing on a folder that has been deleted from the server
	 */
	public void testSyncOnDeletedFolder() throws TeamException {
	}
	
	/*
	 * Test syncing on a folder that is empty on the server and has been pruned, then added locally
	 */
	public void testSyncOnPrunedFolder() throws TeamException {
	}
	
	/*
	 * Test sync involving pruned directories
	 */
	public void testSyncWithPruning() throws TeamException {
	}
	
	/*
	 * Test a conflict with an incomming foler addition and an unmanaqged lcoal folder
	 */
	public void testFolderConflict()  throws TeamException, CoreException {
		
		// Create a test project (which commits it as well) and delete the resource without committing
		IProject project = createProject("testFolderConflict", new String[] { "file.txt"});
		
		// Checkout a copy and add some folders
		IProject copy = checkoutCopy(project, "-copy");
		addResources(copy, new String[] {"folder1/file.txt", "folder2/file.txt"}, true);
		
		// Add a folder to the original project (but not using cvs)
		IResource[] resources = buildResources(project, new String[] {"folder1/"});
		((IFolder)resources[0]).create(false, true, DEFAULT_MONITOR);
		
		assertSyncEquals("testFolderConflict", project, 
			new String[] { "file.txt", "folder1/", "folder1/file.txt", "folder2/", "folder2/file.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.CONFLICTING | SyncInfo.ADDITION,
				SyncInfo.INCOMING | SyncInfo.ADDITION,
				SyncInfo.INCOMING | SyncInfo.ADDITION,
				SyncInfo.INCOMING | SyncInfo.ADDITION});
				
		updateResources(
			project, 
			new String[] {"folder1/"}, 
			false /* ignore local changes */);
	
		assertSyncEquals("testFolderConflict", project, 
			new String[] { "file.txt", "folder1/", "folder1/file.txt", "folder2/", "folder2/file.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.INCOMING | SyncInfo.ADDITION,
				SyncInfo.INCOMING | SyncInfo.ADDITION,
				SyncInfo.INCOMING | SyncInfo.ADDITION});
	}
	 
	/*
	 * Test that a deleted file can still be deleted through the team provider
	 */
	public void testOutgoingDeletion() throws TeamException, CoreException {
		
		// Create a test project (which commits it as well)
		IProject project = createProject("testOutgoingDeletion", new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"});
		
		// Delete a file
		IFile file = project.getFile("folder1/b.txt");
		file.delete(true, DEFAULT_MONITOR); // WARNING: As of 2002/03/05, this is equivalent to a cvs remove

		// Get the sync tree for the project
		assertSyncEquals("testOutgoingDeletion", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.OUTGOING | SyncInfo.DELETION});
				
		// Commit the deletion
		commitResources(project , new String[] {"folder1/b.txt"});
		
		// Get the sync tree again for the project and ensure others aren't effected
		assertSyncEquals("testOutgoingDeletion", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC});
				
		// Assert that deletion no longer appears in remote tree
		assertDeleted("testOutgoingDeletion", project, new String[] {"folder1/b.txt"});
	}
	
	/*
	 * Test catching up to an incoming addition
	 */
	public void testIncomingAddition() throws TeamException, CoreException {
		// Create a test project
		IProject project = createProject("testIncomingAddition", new String[] { "file1.txt", "folder1/", "folder1/a.txt"});
		
		// Checkout and modify a copy
		IProject copy = checkoutCopy(project, "-copy");
		addResources(copy, new String[] { "folder1/add.txt" }, true);

		// Get the sync tree for the project
		assertSyncEquals("testIncomingAddition", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/add.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.INCOMING | SyncInfo.ADDITION});
		
		// Catch up to the addition by updating
		updateResources(
			project, 
			new String[] {"folder1/add.txt"}, 
			false /* ignore local changes */);
		
		// Get the sync tree again for the project and ensure the added resource is in sync
		assertSyncEquals("testIncomingAddition", project, 
			new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/add.txt"}, 
			true, new int[] {
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC,
				SyncInfo.IN_SYNC});
	}
	
	/* 
	 * Test changes using a granularity of contents
	 */
//	 public void testGranularityContents() throws TeamException, CoreException, IOException {
//		// Create a test project (which commits it as well)
//		IProject project = createProject("testGranularityContents", new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"});
//		
//		// Checkout a copy and make some modifications
//		IProject copy = checkoutCopy(project, "-copy");
//		appendText(copy.getFile("file1.txt"), "same text", false);
//		setContentsAndEnsureModified(copy.getFile("folder1/a.txt"));
//		commitProject(copy);
//
//		// Make the same modifications to the original
//		appendText(project.getFile("file1.txt"), "same text", false);
//		setContentsAndEnsureModified(project.getFile("folder1/a.txt"), "unique text");
//		
//		// Get the sync tree for the project
//		String oldId = getSubscriber().getCurrentComparisonCriteria().getId();
//		// TODO: There should be a better way to handle the selection of comparison criteria
//		getSubscriber().setCurrentComparisonCriteria("org.eclipse.team.comparisoncriteria.content");
//		assertSyncEquals("testGranularityContents", project, 
//			new String[] { "file1.txt", "folder1/", "folder1/a.txt"}, 
//			true, new int[] {
//				SyncInfo.IN_SYNC,
//				SyncInfo.IN_SYNC,
//				SyncInfo.CONFLICTING | SyncInfo.CHANGE });
//		getSubscriber().setCurrentComparisonCriteria(oldId);
//
//	 }
	 
//	 public void testSimpleMerge() throws TeamException, CoreException, IOException {
//		// Create a test project (which commits it as well)
//		IProject project = createProject("testSimpleMerge", new String[] { "file1.txt", "file2.txt", "file3.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"});
//	
//		// Checkout and modify a copy
//		IProject copy = checkoutCopy(project, "-copy");
//		copy.refreshLocal(IResource.DEPTH_INFINITE, DEFAULT_MONITOR);
//		
//		tagProject(project, new CVSTag("v1", CVSTag.VERSION));
//		tagProject(project, new CVSTag("branch1", CVSTag.BRANCH));
//		
//		getProvider(copy).update(new IResource[] {copy}, Command.NO_LOCAL_OPTIONS,
//			new CVSTag("branch1", CVSTag.BRANCH), true /*createBackups*/, DEFAULT_MONITOR);
//		
//		// make changes on the branch		
//		addResources(copy, new String[] {"addition.txt", "folderAddition/", "folderAddition/new.txt"}, true);
//		deleteResources(copy, new String[] {"folder1/b.txt"}, true);
//		changeResources(copy, new String[] {"file1.txt", "file2.txt"}, true);
//		
//		// make change to workspace working on HEAD
//		changeResources(project, new String[] {"file2.txt"}, false);
//		changeResources(project, new String[] {"file3.txt"}, true);
//		
//		IRemoteResource base = CVSWorkspaceRoot.getRemoteTree(project, new CVSTag("v1", CVSTag.VERSION), DEFAULT_MONITOR);
//		IRemoteResource remote = CVSWorkspaceRoot.getRemoteTree(project, new CVSTag("branch1", CVSTag.BRANCH), DEFAULT_MONITOR);
//		SyncInfo tree = new CVSRemoteSyncElement(true /*three way*/, project, base, remote);
//		
//		// watch for empty directories and the prune option!!!
//		assertSyncEquals("testSimpleMerge sync check", tree,
//						 new String[] { "addition.txt", "folderAddition/", "folderAddition/new.txt", 
//										 "folder1/b.txt", "file1.txt", "file2.txt", "file3.txt"},
//						 new int[] { SyncInfo.INCOMING | SyncInfo.ADDITION,
//									  SyncInfo.INCOMING | SyncInfo.ADDITION,
//									  SyncInfo.INCOMING | SyncInfo.ADDITION,
//									  SyncInfo.INCOMING | SyncInfo.DELETION,
//									  SyncInfo.INCOMING | SyncInfo.CHANGE,
//									  SyncInfo.CONFLICTING | SyncInfo.CHANGE,
//									  SyncInfo.OUTGOING | SyncInfo.CHANGE });				 			  					 			  
//	 }
//	 
//	 public void testSyncOnBranch() throws TeamException, CoreException, IOException {
//	 	
//		// Create a test project and a branch
//		IProject project = createProject("testSyncOnBranch", new String[] { "file1.txt", "file2.txt", "file3.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"});
//		CVSTag branch = new CVSTag("branch1", CVSTag.BRANCH);
//		tagProject(project, branch);
//		getProvider(project).update(new IResource[] {project}, Command.NO_LOCAL_OPTIONS, branch, true /*createBackups*/, DEFAULT_MONITOR);
//
//		// Checkout and modify a copy
//		IProject copy = checkoutCopy(project, branch);
//		addResources(copy, new String[] {"addition.txt", "folderAddition/", "folderAddition/new.txt"}, true);
//		deleteResources(copy, new String[] {"folder1/b.txt"}, true);
//		changeResources(copy, new String[] {"file1.txt", "file2.txt"}, true);
//		
//		// Sync on the original and assert the result equals the copy
//		SyncInfo tree = CVSWorkspaceRoot.getRemoteSyncTree(project, null, DEFAULT_MONITOR);
//		assertEquals(Path.EMPTY, (ICVSResource)tree.getRemote(), CVSWorkspaceRoot.getCVSResourceFor(copy), false, false);
//	 }
	 
	public void testRenameProject() throws TeamException, CoreException, IOException {
		String[] resourceNames = new String[] { "changed.txt", "folder1/", "folder1/a.txt" };
		int[] inSync = new int[] {SyncInfo.IN_SYNC, SyncInfo.IN_SYNC, SyncInfo.IN_SYNC};
		IProject project = createProject("testRenameProject", new String[] { "changed.txt", "folder1/", "folder1/a.txt" });
		
		assertSyncEquals("sync should be in sync", project, resourceNames, true, inSync);
		IProjectDescription desc = project.getDescription();
		String newName = project.getName() + "_renamed";
		desc.setName(newName);
		project.move(desc, false, null);
		project = ResourcesPlugin.getWorkspace().getRoot().getProject(newName);
		assertTrue(project.exists());
		assertSyncEquals("sync should be in sync", project, resourceNames, true, inSync);
	}
	
	public void testFolderDeletion() throws TeamException, CoreException {
		
		IProject project = createProject("testFolderDeletion", new String[] { "changed.txt", "deleted.txt", "folder1/", "folder1/a.txt", "folder1/folder2/file.txt"});
		
		// Delete a folder and ensure that the file is managed but doesn't exist
		// (Special behavior is provider by the CVS move/delete hook but this is not part of CVS core)
		project.getFolder("folder1").delete(false, false, null);
		ICVSFolder folder = CVSWorkspaceRoot.getCVSFolderFor(project.getFolder("folder1"));
		assertTrue("Deleted folder not in proper state", ! folder.exists() && folder.isManaged() && folder.isCVSFolder());
		
		// The files should show up as outgoing deletions
		assertSyncEquals("testFolderDeletion sync check", project,
						 new String[] { "folder1/", "folder1/a.txt", "folder1/folder2/", "folder1/folder2/file.txt"},
						 true, new int[] { SyncInfo.IN_SYNC,
									  SyncInfo.OUTGOING | SyncInfo.DELETION,
									  SyncInfo.IN_SYNC,
									  SyncInfo.OUTGOING | SyncInfo.DELETION});
		
		// commit folder1/a.txt
		commitResources(project, new String[] { "folder1/a.txt" });
		
		// Resync and verify that above file is gone and others remain the same
		assertSyncEquals("testFolderDeletion sync check", project,
						 new String[] { "folder1/", "folder1/folder2/", "folder1/folder2/file.txt"},
						 true, new int[] { SyncInfo.IN_SYNC,
									  SyncInfo.IN_SYNC,
									  SyncInfo.OUTGOING | SyncInfo.DELETION});
		assertDeleted("testFolderDeletion", project, new String[] {"folder1/a.txt"});
		
		// Commit folder1/folder2/file.txt
		commitResources(project, new String[] { "folder1/folder2/file.txt" });
		
		// Resync and verify that all are deleted
		assertDeleted("testFolderDeletion", project, new String[] {"folder1/", "folder1/folder2/", "folder1/folder2/file.txt"});
	}
	/**
	  * There is special handling required when building a sync tree for a tag when there are undiscovered folders
	  * that only contain other folders.
	  */
	 public void testTagRetrievalForFolderWithNoFile() throws TeamException, CoreException {
		IProject project = createProject("testTagRetrievalForFolderWithNoFile", new String[] { "changed.txt", "deleted.txt", "folder1/", "folder1/a.txt"});
		// Checkout, branch and modify a copy
		IProject copy = checkoutCopy(project, "-copy");
		CVSTag version = new CVSTag("v1", CVSTag.BRANCH);
		CVSTag branch = new CVSTag("branch1", CVSTag.BRANCH);
		getProvider(copy).makeBranch(new IResource[] {copy}, version, branch, true, DEFAULT_MONITOR);
		addResources(copy, new String[] {"folder2/folder3/a.txt"}, true);
		
		// Fetch the tree corresponding to the branch using the original as the base.
		// XXX This will fail for CVSNT with directory pruning on
		refresh(getSubscriber(), project);
	 }
	 
	 public void testIgnoredResource() throws CoreException, TeamException {
		// Create a test project (which commits it as well)
		IProject project = createProject("testIgnoredResource", new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"});
		
		// Create a new file without adding it to version control
		buildResources(project, new String[] {"ignored.txt"}, false);
	 	
		// Get the sync tree for the project
		assertSyncEquals("testIgnoredResource", project, 
			new String[] { "ignored.txt"}, 
			true, new int[] {SyncInfo.OUTGOING | SyncInfo.ADDITION});
			
		IFile ignores = project.getFile(".cvsignore");
		ignores.create(new ByteArrayInputStream("ignored.txt".getBytes()), false, DEFAULT_MONITOR);
		addResources(new IResource[] {ignores});
		
		assertSyncEquals("testIgnoredResource", project, 
			new String[] { "ignored.txt", ".cvsignore"}, 
			true, new int[] {
				SyncInfo.IN_SYNC, 
				SyncInfo.OUTGOING | SyncInfo.ADDITION});
	 }

	public void testRenameUnshared() throws CoreException, TeamException {
	   // Create a test project (which commits it as well)
	   IProject project = createProject("testRenameUnshared", new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"});
		
	   // Create a new file without adding it to version control
	   buildResources(project, new String[] {"oldName.txt"}, false);
	 	
	   // Get the sync tree for the project
	   assertSyncEquals("testRenameUnshared", project, 
		   new String[] { "oldName.txt" }, 
		   true, new int[] {SyncInfo.OUTGOING | SyncInfo.ADDITION});
			
	   IFile rename = project.getFile("oldName.txt");
	   rename.move(new Path("newName.txt"), false, false, DEFAULT_MONITOR);
	
	   assertDeleted("testRenameUnshared", project, new String[] {"oldName.txt"});

	   assertSyncEquals("testRenameUnshared", project, 
		   new String[] { "newName.txt"}, 
		   true, new int[] {
			   SyncInfo.OUTGOING | SyncInfo.ADDITION});
	}
	
	public void testOutgoingEmptyFolder() throws CoreException, TeamException {
		// Create a test project (which commits it as well)
		IProject project = createProject("testOutgoingEmptyFolder", new String[] { "file1.txt", "folder1/", "folder1/a.txt", "folder1/b.txt"});

		// Create an empty folder without adding it to version control
		buildResources(project, new String[] {"folder2/"}, false);
		
		assertSyncEquals("testOutgoingEmptyFolder", project, 
			new String[] { "folder2/" }, 
			true, new int[] {
				SyncInfo.OUTGOING | SyncInfo.ADDITION});
				
		commitResources(project, new String[] { "folder2" });
		
		assertSyncEquals("testOutgoingEmptyFolder", project, 
			new String[] { "folder2/" }, 
			true, new int[] {
				SyncInfo.IN_SYNC});
				
		// Ensure that the folder still exists (i.e. wasn't pruned)
		assertTrue("Folder should still exist", project.getFolder("folder2").exists());
	}
	
}