TestXException.java

/*
 * Copyright (c) 2011, Cloudera, Inc. All Rights Reserved.
 *
 * Cloudera, Inc. 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
 *
 * This software 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 com.cloudera.lib.lang;

import com.cloudera.circus.test.XTest;
import org.testng.Assert;
import org.testng.annotations.Test;

public class TestXException extends XTest {

  public static enum TestERROR implements XException.ERROR {
    TC;

    @Override
    public String getTemplate() {
      return "{0}";
    }
  }

  @Test
  public void testXException() throws Exception {
    XException ex = new XException(TestERROR.TC);
    Assert.assertEquals(ex.getError(), TestERROR.TC);
    Assert.assertEquals(ex.getMessage(), "TC: {0}");
    Assert.assertNull(ex.getCause());

    ex = new XException(TestERROR.TC, "msg");
    Assert.assertEquals(ex.getError(), TestERROR.TC);
    Assert.assertEquals(ex.getMessage(), "TC: msg");
    Assert.assertNull(ex.getCause());

    Exception cause = new Exception();
    ex = new XException(TestERROR.TC, cause);
    Assert.assertEquals(ex.getError(), TestERROR.TC);
    Assert.assertEquals(ex.getMessage(), "TC: " + cause.toString());
    Assert.assertEquals(ex.getCause(), cause);

    XException xcause = ex;
    ex = new XException(xcause);
    Assert.assertEquals(ex.getError(), TestERROR.TC);
    Assert.assertEquals(ex.getMessage(), xcause.getMessage());
    Assert.assertEquals(ex.getCause(), xcause);
  }

}