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/*
* Copyright (C) 2013, Robin Stocker <robin@nibor.org> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.lib;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.junit.Test;
public class RefDatabaseConflictingNamesTest {
private RefDatabase refDatabase = new RefDatabase() {
@Override
public Map<String, Ref> getRefs(String prefix) throws IOException {
if (ALL.equals(prefix)) {
Map<String, Ref> existing = new HashMap<>();
existing.put("refs/heads/a/b", null /* not used */);
existing.put("refs/heads/q", null /* not used */);
return existing;
}
return Collections.emptyMap();
}
@Override
public Ref peel(Ref ref) throws IOException {
return null;
}
@Override
public RefUpdate newUpdate(String name, boolean detach)
throws IOException {
return null;
}
@Override
public RefRename newRename(String fromName, String toName)
throws IOException {
return null;
}
@Override
public boolean isNameConflicting(String name) throws IOException {
return false;
}
@Override
public Ref exactRef(String name) throws IOException {
return null;
}
@Override
public List<Ref> getAdditionalRefs() throws IOException {
return null;
}
@Override
public void create() throws IOException {
// Not needed
}
@Override
public void close() {
// Not needed
}
};
@Test
public void testGetConflictingNames() throws IOException {
// new references cannot replace an existing container
assertConflictingNames("refs", "refs/heads/a/b", "refs/heads/q");
assertConflictingNames("refs/heads", "refs/heads/a/b", "refs/heads/q");
assertConflictingNames("refs/heads/a", "refs/heads/a/b");
// existing reference is not conflicting
assertNoConflictingNames("refs/heads/a/b");
// new references are not conflicting
assertNoConflictingNames("refs/heads/a/d");
assertNoConflictingNames("refs/heads/master");
// existing reference must not be used as a container
assertConflictingNames("refs/heads/a/b/c", "refs/heads/a/b");
assertConflictingNames("refs/heads/q/master", "refs/heads/q");
}
private void assertNoConflictingNames(String proposed) throws IOException {
assertTrue("expected conflicting names to be empty", refDatabase
.getConflictingNames(proposed).isEmpty());
}
private void assertConflictingNames(String proposed, String... conflicts)
throws IOException {
Set<String> expected = new HashSet<>(Arrays.asList(conflicts));
assertEquals(expected,
new HashSet<>(refDatabase.getConflictingNames(proposed)));
}
}
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