samza-api/src/test/java/org/apache/samza/system/TestStreamSpec.java

/*
 * 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.samza.system;

import org.junit.Test;

import static org.junit.Assert.*;


public class TestStreamSpec {
  @Test
  public void testBasicConstructor() {
    StreamSpec streamSpec = new StreamSpec("dummyId", "dummyPhysicalName", "dummySystemName", 1);

    assertEquals("dummyId", streamSpec.getId());
    assertEquals("dummyPhysicalName", streamSpec.getPhysicalName());
    assertEquals("dummySystemName", streamSpec.getSystemName());
    assertEquals(1, streamSpec.getPartitionCount());

    // SystemStream should use the physical name, not the streamId.
    SystemStream systemStream = new SystemStream("dummySystemName", "dummyPhysicalName");
    assertEquals(systemStream, streamSpec.toSystemStream());
  }

  @Test(expected = IllegalArgumentException.class)
  public void testInvalidPartitionCount() {
    new StreamSpec("dummyId", "dummyPhysicalName", "dummySystemName", -1);
  }

  @Test(expected = IllegalArgumentException.class)
  public void testInvalidStreamId() {
    new StreamSpec("dummy.Id", "dummyPhysicalName", "dummySystemName", 0);
  }

  @Test(expected = IllegalArgumentException.class)
  public void testInvalidSystemName() {
    new StreamSpec("dummyId", "dummyPhysicalName", "dummy.System.Name", 0);
  }
}