@Test
  public void testReadAlterAttributes() {
    final OracleAttributesReader reader =
        new OracleAttributesReader(TestHelpers.createDummyMessages());
    OracleUserAttributes.Builder caAttributes = new OracleUserAttributes.Builder();
    caAttributes.setUserName("testUser");
    Set<Attribute> attributes = new HashSet<Attribute>();
    attributes.add(
        AttributeBuilder.build(
            OracleConstants.ORACLE_AUTHENTICATION_ATTR_NAME, OracleConstants.ORACLE_AUTH_LOCAL));
    attributes.add(AttributeBuilder.buildPassword("myPassword".toCharArray()));
    reader.readAlterAttributes(AttributeUtil.toMap(attributes), caAttributes);
    Assert.assertEquals(OracleAuthentication.LOCAL, caAttributes.getAuth());
    Assert.assertNotNull("Password must not be null", caAttributes.getPassword());

    // verify that password is not set for alter when not set
    caAttributes = new OracleUserAttributes.Builder();
    caAttributes.setUserName("testUser");
    attributes.clear();
    attributes.add(AttributeBuilder.buildPasswordExpired(true));
    reader.readAlterAttributes(AttributeUtil.toMap(attributes), caAttributes);
    Assert.assertNull("Password must be null", caAttributes.getPassword());

    // try to update authentication to null
    attributes = new HashSet<Attribute>();
    attributes.add(AttributeBuilder.build(OracleConstants.ORACLE_AUTHENTICATION_ATTR_NAME));
    attributes.add(AttributeBuilder.buildPassword("myPassword".toCharArray()));
    try {
      reader.readAlterAttributes(AttributeUtil.toMap(attributes), caAttributes);
      fail("Create attributes must fail for null authentication");
    } catch (IllegalArgumentException e) {
    }
  }
  private void generateUsers() {
    for (int i = 0; i < getCreateUsersNumber(); i++) {
      Set<Attribute> attrs = new HashSet<Attribute>();
      attrs.add(AttributeBuilder.build(Name.NAME, formatName(i)));
      attrs.add(AttributeBuilder.buildPassword(SAMPLE_PASSWD.toCharArray()));

      facade.create(ObjectClass.ACCOUNT, attrs, null);
    }
  }
  /**
   * Test method for {@link
   * org.identityconnectors.oracle.OracleAttributesReader#readAuthAttributes(java.util.Set,
   * org.identityconnectors.oracle.OracleUserAttributes)}.
   */
  @Test
  public final void testReadCreateAuthAttributes() {
    final OracleAttributesReader reader =
        new OracleAttributesReader(TestHelpers.createDummyMessages());
    OracleUserAttributes.Builder caAttributes = new OracleUserAttributes.Builder();
    caAttributes.setUserName("testUser");
    Set<Attribute> attributes = new HashSet<Attribute>();
    attributes.add(
        AttributeBuilder.build(
            OracleConstants.ORACLE_AUTHENTICATION_ATTR_NAME, OracleConstants.ORACLE_AUTH_LOCAL));
    attributes.add(AttributeBuilder.buildPassword("myPassword".toCharArray()));
    reader.readCreateAttributes(AttributeUtil.toMap(attributes), caAttributes);
    Assert.assertEquals(OracleAuthentication.LOCAL, caAttributes.getAuth());
    Assert.assertNotNull("Password must not be null", caAttributes.getPassword());

    attributes.clear();
    caAttributes = new OracleUserAttributes.Builder();
    caAttributes.setUserName("testUser");
    reader.readCreateAttributes(AttributeUtil.toMap(attributes), caAttributes);
    Assert.assertNull("Should not set authentication to any default value", caAttributes.getAuth());
    Assert.assertNull("Password must be null", caAttributes.getPassword());

    // Test for failures
    attributes.clear();
    reader.readCreateAttributes(AttributeUtil.toMap(attributes), caAttributes);
    attributes.add(
        AttributeBuilder.build(
            OracleConstants.ORACLE_AUTHENTICATION_ATTR_NAME, "invalid authentication"));
    try {
      reader.readCreateAttributes(AttributeUtil.toMap(attributes), caAttributes);
      fail("Must fail for invalid authentication");
    } catch (RuntimeException e) {
    }

    attributes.clear();
    attributes.add(
        AttributeBuilder.build(
            OracleConstants.ORACLE_AUTHENTICATION_ATTR_NAME, OracleConstants.ORACLE_AUTH_GLOBAL));
    try {
      reader.readCreateAttributes(AttributeUtil.toMap(attributes), caAttributes);
      fail("Must fail for missing global name");
    } catch (RuntimeException e) {
    }

    attributes.clear();
    attributes.add(
        AttributeBuilder.build(
            OracleConstants.ORACLE_AUTHENTICATION_ATTR_NAME, OracleConstants.ORACLE_AUTH_GLOBAL));
    attributes.add(AttributeBuilder.build(OracleConstants.ORACLE_GLOBAL_ATTR_NAME, ""));

    try {
      reader.readCreateAttributes(AttributeUtil.toMap(attributes), caAttributes);
      fail("Must fail for empty global name");
    } catch (RuntimeException e) {
    }
  }