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/*******************************************************************************
* Copyright (C) 2014 Obeo 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
*******************************************************************************/
package org.eclipse.egit.core.test.models;
import static org.junit.Assert.assertEquals;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.mapping.ModelProvider;
import org.eclipse.core.resources.mapping.ResourceMapping;
import org.eclipse.core.resources.mapping.ResourceMappingContext;
import org.eclipse.core.resources.mapping.ResourceTraversal;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.content.IContentType;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.egit.core.AdapterUtils;
import org.eclipse.egit.core.internal.Utils;
import org.eclipse.egit.core.op.MergeOperation;
import org.eclipse.egit.core.synchronize.GitResourceVariantTreeSubscriber;
import org.eclipse.egit.core.synchronize.GitSubscriberMergeContext;
import org.eclipse.egit.core.synchronize.GitSubscriberResourceMappingContext;
import org.eclipse.egit.core.synchronize.dto.GitSynchronizeData;
import org.eclipse.egit.core.synchronize.dto.GitSynchronizeDataSet;
import org.eclipse.egit.core.test.GitTestCase;
import org.eclipse.egit.core.test.TestRepository;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.Status;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.team.core.mapping.IMergeContext;
import org.eclipse.team.core.mapping.IResourceMappingMerger;
import org.eclipse.team.core.subscribers.SubscriberScopeManager;
import org.junit.Before;
/**
* Provides shared utility methods for unit tests working on logical models. The
* model provider used for tests, {@link SampleModelProvider}, links all
* "*.sample" files from a common directory into a single logical model.
*/
public abstract class ModelTestCase extends GitTestCase {
protected static final String SAMPLE_FILE_EXTENSION = SampleModelProvider.SAMPLE_FILE_EXTENSION;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
IContentType textType = Platform.getContentTypeManager()
.getContentType("org.eclipse.core.runtime.text");
textType.addFileSpec(SAMPLE_FILE_EXTENSION,
IContentType.FILE_EXTENSION_SPEC);
}
protected RevCommit setContentsAndCommit(TestRepository testRepository,
IFile targetFile, String newContents, String commitMessage)
throws Exception {
targetFile.setContents(
new ByteArrayInputStream(newContents.getBytes("UTF-8")),
IResource.FORCE, new NullProgressMonitor());
testRepository.addToIndex(targetFile);
return testRepository.commit(commitMessage);
}
protected void assertContentEquals(IFile file, String expectedContents)
throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(
file.getContents(), file.getCharset()));
StringBuilder contentsBuilder = new StringBuilder();
String line = reader.readLine();
while (line != null) {
contentsBuilder.append(line);
contentsBuilder.append('\n');
line = reader.readLine();
}
reader.close();
assertEquals(expectedContents, contentsBuilder.toString());
}
protected void merge(Repository repository, String refName)
throws CoreException {
new MergeOperation(repository, refName).execute(null);
}
protected Status status(Repository repository) throws Exception {
return new Git(repository).status().call();
}
protected IResourceMappingMerger createMerger() throws CoreException {
final ModelProvider provider = ModelProvider
.getModelProviderDescriptor(
SampleModelProvider.SAMPLE_PROVIDER_ID)
.getModelProvider();
return Utils.getAdapter(provider, IResourceMappingMerger.class);
}
protected IMergeContext prepareContext(Repository repository,
IFile workspaceFile, String srcRev, String dstRev) throws Exception {
GitSynchronizeData gsd = new GitSynchronizeData(repository, srcRev,
dstRev, true, Collections.<IResource> singleton(workspaceFile));
GitSynchronizeDataSet gsds = new GitSynchronizeDataSet(gsd);
GitResourceVariantTreeSubscriber subscriber = new GitResourceVariantTreeSubscriber(
gsds);
subscriber.init(new NullProgressMonitor());
ResourceMapping mapping = AdapterUtils.adapt(workspaceFile,
ResourceMapping.class);
SubscriberScopeManager manager = new SubscriberScopeManager(
subscriber.getName(), new ResourceMapping[] { mapping, },
subscriber, true);
manager.initialize(new NullProgressMonitor());
GitSubscriberMergeContext mergeContext = new GitSubscriberMergeContext(
subscriber, manager, gsds);
// Wait for asynchronous update of the diff tree to end
Job.getJobManager().join(mergeContext, new NullProgressMonitor());
return mergeContext;
}
protected IMergeContext prepareModelContext(Repository repository,
IFile workspaceFile, String srcRev, String dstRev) throws Exception {
Set<IResource> includedResources = new HashSet<IResource>(
Arrays.asList(workspaceFile));
Set<IResource> newResources = new HashSet<IResource>(includedResources);
Set<ResourceMapping> allMappings = new HashSet<ResourceMapping>();
ResourceMappingContext mappingContext = ResourceMappingContext.LOCAL_CONTEXT;
ModelProvider provider = ModelProvider.getModelProviderDescriptor(
SampleModelProvider.SAMPLE_PROVIDER_ID).getModelProvider();
do {
Set<IResource> copy = newResources;
newResources = new HashSet<IResource>();
for (IResource resource : copy) {
ResourceMapping[] mappings = provider.getMappings(resource,
mappingContext, new NullProgressMonitor());
allMappings.addAll(Arrays.asList(mappings));
newResources.addAll(collectResources(mappings, mappingContext));
}
} while (includedResources.addAll(newResources));
ResourceMapping[] mappings = allMappings
.toArray(new ResourceMapping[allMappings.size()]);
GitSynchronizeData gsd = new GitSynchronizeData(repository, srcRev,
dstRev, true, includedResources);
GitSynchronizeDataSet gsds = new GitSynchronizeDataSet(gsd);
GitResourceVariantTreeSubscriber subscriber = new GitResourceVariantTreeSubscriber(
gsds);
subscriber.init(new NullProgressMonitor());
GitSubscriberResourceMappingContext resourceMappingContext = new GitSubscriberResourceMappingContext(
subscriber, gsds);
SubscriberScopeManager manager = new SubscriberScopeManager(
subscriber.getName(), mappings, subscriber,
resourceMappingContext, true);
manager.initialize(new NullProgressMonitor());
GitSubscriberMergeContext mergeContext = new GitSubscriberMergeContext(
subscriber, manager, gsds);
// Wait for asynchronous update of the diff tree to end
Job.getJobManager().join(mergeContext, new NullProgressMonitor());
return mergeContext;
}
private static Set<IResource> collectResources(ResourceMapping[] mappings,
ResourceMappingContext mappingContext) throws Exception {
final Set<IResource> resources = new HashSet<IResource>();
for (ResourceMapping mapping : mappings) {
ResourceTraversal[] traversals = mapping.getTraversals(
mappingContext, new NullProgressMonitor());
for (ResourceTraversal traversal : traversals)
resources.addAll(Arrays.asList(traversal.getResources()));
}
return resources;
}
}
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