/*
* Copyright (c) 2012 Google Inc.
*
* 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 com.google.eclipse.protobuf.resource;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertThat;
import static com.google.eclipse.protobuf.junit.core.UnitTestModule.unitTestModule;
import static com.google.eclipse.protobuf.junit.core.XtextRule.overrideRuntimeModuleWith;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.common.util.URI;
import org.eclipse.xtext.resource.IResourceDescription;
import org.eclipse.xtext.resource.IResourceDescriptions;
import org.eclipse.xtext.resource.XtextResource;
import org.eclipse.xtext.resource.impl.ResourceSetBasedResourceDescriptions;
import org.junit.Rule;
import org.junit.Test;
import com.google.eclipse.protobuf.junit.core.XtextRule;
import com.google.inject.Inject;
/**
* Tests for <code>{@link IndexLookup#resourceIn(IPath)}</code>.
*
* @author alruiz@google.com (Alex Ruiz)
*/
public class IndexLookup_resourceIn_Test {
@Rule public XtextRule xtext = overrideRuntimeModuleWith(unitTestModule());
@Inject private IndexLookup lookup;
// syntax = "proto2";
// package com.google.proto;
//
// message Person {}
@Test public void should_find_resource_if_URIs_are_exact_match() {
XtextResource resource = xtext.resource();
addToXtextIndex(resource);
URI resourceUri = resource.getURI();
IPath path = Path.fromOSString(resourceUri.path());
IResourceDescription description = lookup.resourceIn(path);
assertThat(description.getURI(), equalTo(resourceUri));
}
// syntax = "proto2";
// package com.google.proto;
//
// message Person {}
@Test public void should_find_resource_matching_segments_if_URIs_are_not_exact_match() {
XtextResource resource = xtext.resource();
addToXtextIndex(resource);
URI resourceUri = resource.getURI();
String[] segments = resourceUri.segments();
int segmentCount = segments.length;
String path = segments[segmentCount - 2] + "/" + segments[segmentCount - 1]; // last two segments.
IResourceDescription description = lookup.resourceIn(Path.fromOSString(path));
assertThat(description.getURI(), equalTo(resourceUri));
}
// syntax = "proto2";
// package com.google.proto;
//
// message Person {}
@Test public void should_return_null_if_matching_URI_was_not_found() {
XtextResource resource = xtext.resource();
addToXtextIndex(resource);
IResourceDescription description = lookup.resourceIn(Path.fromOSString("some/crazy/path"));
assertNull(description);
}
private void addToXtextIndex(XtextResource resource) {
IResourceDescriptions xtextIndex = lookup.getXtextIndex();
if (xtextIndex instanceof ResourceSetBasedResourceDescriptions) {
((ResourceSetBasedResourceDescriptions) xtextIndex).setContext(resource);
}
}
}