jgit/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ValidRefNameTest.java

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 * 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
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package org.eclipse.jgit.lib;

import junit.framework.TestCase;

public class ValidRefNameTest extends TestCase {
	private static void assertValid(final boolean exp, final String name) {
		assertEquals("\"" + name + "\"", exp, Repository.isValidRefName(name));
	}

	public void testEmptyString() {
		assertValid(false, "");
		assertValid(false, "/");
	}

	public void testMustHaveTwoComponents() {
		assertValid(false, "master");
		assertValid(true, "heads/master");
	}

	public void testValidHead() {
		assertValid(true, "refs/heads/master");
		assertValid(true, "refs/heads/pu");
		assertValid(true, "refs/heads/z");
		assertValid(true, "refs/heads/FoO");
	}

	public void testValidTag() {
		assertValid(true, "refs/tags/v1.0");
	}

	public void testNoLockSuffix() {
		assertValid(false, "refs/heads/master.lock");
	}

	public void testNoDirectorySuffix() {
		assertValid(false, "refs/heads/master/");
	}

	public void testNoSpace() {
		assertValid(false, "refs/heads/i haz space");
	}

	public void testNoAsciiControlCharacters() {
		for (char c = '\0'; c < ' '; c++)
			assertValid(false, "refs/heads/mast" + c + "er");
	}

	public void testNoBareDot() {
		assertValid(false, "refs/heads/.");
		assertValid(false, "refs/heads/..");
		assertValid(false, "refs/heads/./master");
		assertValid(false, "refs/heads/../master");
	}

	public void testNoLeadingOrTrailingDot() {
		assertValid(false, ".");
		assertValid(false, "refs/heads/.bar");
		assertValid(false, "refs/heads/..bar");
		assertValid(false, "refs/heads/bar.");
	}

	public void testContainsDot() {
		assertValid(true, "refs/heads/m.a.s.t.e.r");
		assertValid(false, "refs/heads/master..pu");
	}

	public void testNoMagicRefCharacters() {
		assertValid(false, "refs/heads/master^");
		assertValid(false, "refs/heads/^master");
		assertValid(false, "^refs/heads/master");

		assertValid(false, "refs/heads/master~");
		assertValid(false, "refs/heads/~master");
		assertValid(false, "~refs/heads/master");

		assertValid(false, "refs/heads/master:");
		assertValid(false, "refs/heads/:master");
		assertValid(false, ":refs/heads/master");
	}

	public void testShellGlob() {
		assertValid(false, "refs/heads/master?");
		assertValid(false, "refs/heads/?master");
		assertValid(false, "?refs/heads/master");

		assertValid(false, "refs/heads/master[");
		assertValid(false, "refs/heads/[master");
		assertValid(false, "[refs/heads/master");

		assertValid(false, "refs/heads/master*");
		assertValid(false, "refs/heads/*master");
		assertValid(false, "*refs/heads/master");
	}

	public void testValidSpecialCharacters() {
		assertValid(true, "refs/heads/!");
		assertValid(true, "refs/heads/\"");
		assertValid(true, "refs/heads/#");
		assertValid(true, "refs/heads/$");
		assertValid(true, "refs/heads/%");
		assertValid(true, "refs/heads/&");
		assertValid(true, "refs/heads/'");
		assertValid(true, "refs/heads/(");
		assertValid(true, "refs/heads/)");
		assertValid(true, "refs/heads/+");
		assertValid(true, "refs/heads/,");
		assertValid(true, "refs/heads/-");
		assertValid(true, "refs/heads/;");
		assertValid(true, "refs/heads/<");
		assertValid(true, "refs/heads/=");
		assertValid(true, "refs/heads/>");
		assertValid(true, "refs/heads/@");
		assertValid(true, "refs/heads/]");
		assertValid(true, "refs/heads/_");
		assertValid(true, "refs/heads/`");
		assertValid(true, "refs/heads/{");
		assertValid(true, "refs/heads/|");
		assertValid(true, "refs/heads/}");

		// This is valid on UNIX, but not on Windows
		// hence we make in invalid due to non-portability
		//
		assertValid(false, "refs/heads/\\");
	}

	public void testUnicodeNames() {
		assertValid(true, "refs/heads/\u00e5ngstr\u00f6m");
	}

	public void testRefLogQueryIsValidRef() {
		assertValid(false, "refs/heads/master@{1}");
		assertValid(false, "refs/heads/master@{1.hour.ago}");
	}
}