Java Balancer.add Examples

Example #1

File: AbstractBalancerTest.java Project: bartolomiew/ha-jdbc

  /**
   * Test method for {@link net.sf.hajdbc.balancer.load.LoadBalancer#add(net.sf.hajdbc.Database)}.
   */
  @Test
  public void add() {
    Balancer<Void, MockDatabase> balancer =
        this.factory.createBalancer(Collections.<MockDatabase>emptySet());

    boolean result = balancer.add(this.databases[1]);
    assertTrue(result);
    assertCollectionEquals(Collections.singleton(this.databases[1]), balancer);

    balancer = this.factory.createBalancer(Collections.singleton(this.databases[0]));

    result = balancer.add(this.databases[1]);
    assertTrue(result);
    assertCollectionEquals(Arrays.asList(this.databases[0], this.databases[1]), balancer);

    balancer =
        this.factory.createBalancer(
            new HashSet<MockDatabase>(Arrays.asList(this.databases[0], this.databases[1])));

    result = balancer.add(this.databases[1]);
    assertFalse(result);
    assertCollectionEquals(Arrays.asList(this.databases[0], this.databases[1]), balancer);

    balancer =
        this.factory.createBalancer(new HashSet<MockDatabase>(Arrays.asList(this.databases)));

    result = balancer.add(this.databases[1]);
    assertFalse(result);
    assertCollectionEquals(Arrays.asList(this.databases), balancer);
  }