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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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