/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hdfs.util;
import org.apache.commons.lang.RandomStringUtils;
import static org.junit.Assert.*;
import org.junit.Test;
public class TestPosixUserNameChecker {
private static PosixUserNameChecker checker = new PosixUserNameChecker();
@Test
public void test() {
check("abc", true);
check("a_bc", true);
check("a1234bc", true);
check("a1234bc45", true);
check("_a1234bc45$", true);
check("_a123-4bc45$", true);
check("abc_", true);
check("ab-c_$", true);
check("_abc", true);
check("ab-c$", true);
check("-abc", false);
check("-abc_", false);
check("a$bc", false);
check("9abc", false);
check("-abc", false);
check("$abc", false);
check("", false);
check(null, false);
check(RandomStringUtils.randomAlphabetic(100).toLowerCase(), true);
check(RandomStringUtils.randomNumeric(100), false);
check("a" + RandomStringUtils.randomNumeric(100), true);
check("_" + RandomStringUtils.randomNumeric(100), true);
check("a" + RandomStringUtils.randomAlphanumeric(100).toLowerCase(), true);
check("_" + RandomStringUtils.randomAlphanumeric(100).toLowerCase(), true);
check(RandomStringUtils.random(1000), false); //unicode
}
private void check(String username, boolean expected) {
assertEquals(expected, checker.isValidUserName(username));
}
}