content: /*
   * 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.ambari.server.security.authorization;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  
  import java.util.Arrays;
  import java.util.Collection;
  
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.Parameterized;
  
  @RunWith(value = Parameterized.class)
  public class UserNameTest {
    private final String name;
    private final boolean valid;
  
    @Parameterized.Parameters
    public static Collection userNames() {
      return Arrays.asList(new Object[][] {
        {"", false},
        {null, false},
        {"invalid<", false},
        {">invalid", false},
        {"inv&lid", false},
        {"i\\nvalid", false},
        {"inva`lid", false},
        {"inval|d", false},
        {"user01", true},
        {"user_name", true},
      });
    }
  
    public UserNameTest(String name, boolean valid) {
      this.name = name;
      this.valid = valid;
    }
  
    @Test
    public void testRejectsForbiddenCharacters() throws Exception {
      try {
        assertEquals(name, UserName.fromString(name).toString());
        if (!valid) {
          fail("Expected user " + name + " to be invalid.");
        }
      } catch (IllegalArgumentException e) {
        if (valid) {
          fail("Expected user " + name + " to be valid. But was: " + e.getMessage());
        }
      }
    }
  }