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- /*
- * Copyright (C) 2013, Robin Stocker <robin@nibor.org>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- 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;
- } else {
- 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 getRef(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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