@Test
  public void fail_to_update_custom_when_description_is_empty() {
    // Template rule
    RuleDto templateRule =
        ruleDao.insert(session, RuleTesting.newTemplateRule(RuleKey.of("java", "S001")));

    // Custom rule
    RuleDto customRule = RuleTesting.newCustomRule(templateRule);
    ruleDao.insert(session, customRule);
    session.commit();
    session.clearCache();

    WsTester.TestRequest request =
        wsTester
            .newPostRequest("api/rules", "update")
            .setParam("key", customRule.getKey().toString())
            .setParam("name", "My custom rule")
            .setParam("markdown_description", "");

    try {
      request.execute();
      fail();
    } catch (Exception e) {
      assertThat(e)
          .isInstanceOf(IllegalArgumentException.class)
          .hasMessage("The description is missing");
    }
  }
  @Test
  public void fail_to_update_custom_rule_when_empty_description() {
    // Create template rule
    RuleDto templateRule = RuleTesting.newTemplateRule(RuleKey.of("java", "S001"));
    ruleDao.insert(dbSession, templateRule);

    // Create custom rule
    RuleDto customRule = RuleTesting.newCustomRule(templateRule);
    ruleDao.insert(dbSession, customRule);

    dbSession.commit();

    // Update custom rule
    RuleUpdate update =
        RuleUpdate.createForCustomRule(customRule.getKey())
            .setName("New name")
            .setMarkdownDescription("");
    try {
      updater.update(update, userSessionRule);
      fail();
    } catch (Exception e) {
      assertThat(e)
          .isInstanceOf(IllegalArgumentException.class)
          .hasMessage("The description is missing");
    }
  }
  @Test
  public void update_custom_rule() {
    // Create template rule
    RuleDto templateRule = RuleTesting.newTemplateRule(RuleKey.of("java", "S001"));
    ruleDao.insert(dbSession, templateRule);
    RuleParamDto templateRuleParam1 =
        RuleParamDto.createFor(templateRule)
            .setName("regex")
            .setType("STRING")
            .setDescription("Reg ex")
            .setDefaultValue(".*");
    RuleParamDto templateRuleParam2 =
        RuleParamDto.createFor(templateRule)
            .setName("format")
            .setType("STRING")
            .setDescription("Format");
    ruleDao.insertRuleParam(dbSession, templateRule, templateRuleParam1);
    ruleDao.insertRuleParam(dbSession, templateRule, templateRuleParam2);

    // Create custom rule
    RuleDto customRule =
        RuleTesting.newCustomRule(templateRule)
            .setName("Old name")
            .setDescription("Old description")
            .setSeverity(Severity.MINOR)
            .setStatus(RuleStatus.BETA);
    ruleDao.insert(dbSession, customRule);
    ruleDao.insertRuleParam(dbSession, customRule, templateRuleParam1.setDefaultValue("a.*"));
    ruleDao.insertRuleParam(dbSession, customRule, templateRuleParam2.setDefaultValue(null));

    dbSession.commit();

    // Update custom rule
    RuleUpdate update =
        RuleUpdate.createForCustomRule(customRule.getKey())
            .setName("New name")
            .setMarkdownDescription("New description")
            .setSeverity("MAJOR")
            .setStatus(RuleStatus.READY)
            .setParameters(ImmutableMap.of("regex", "b.*"));
    updater.update(update, userSessionRule);

    dbSession.clearCache();

    // Verify custom rule is updated
    Rule customRuleReloaded = ruleIndex.getByKey(customRule.getKey());
    assertThat(customRuleReloaded).isNotNull();
    assertThat(customRuleReloaded.name()).isEqualTo("New name");
    assertThat(customRuleReloaded.htmlDescription()).isEqualTo("New description");
    assertThat(customRuleReloaded.severity()).isEqualTo("MAJOR");
    assertThat(customRuleReloaded.status()).isEqualTo(RuleStatus.READY);
    assertThat(customRuleReloaded.params()).hasSize(2);

    assertThat(customRuleReloaded.params().get(0).defaultValue()).isEqualTo("b.*");
    assertThat(customRuleReloaded.params().get(1).defaultValue()).isNull();
  }
  @Test
  public void update_custom_rule_with_empty_parameter() {
    // Create template rule
    RuleDto templateRule = RuleTesting.newTemplateRule(RuleKey.of("java", "S001"));
    ruleDao.insert(dbSession, templateRule);
    RuleParamDto templateRuleParam =
        RuleParamDto.createFor(templateRule)
            .setName("regex")
            .setType("STRING")
            .setDescription("Reg ex");
    ruleDao.insertRuleParam(dbSession, templateRule, templateRuleParam);

    // Create custom rule
    RuleDto customRule =
        RuleTesting.newCustomRule(templateRule)
            .setName("Old name")
            .setDescription("Old description")
            .setSeverity(Severity.MINOR)
            .setStatus(RuleStatus.BETA);
    ruleDao.insert(dbSession, customRule);
    ruleDao.insertRuleParam(dbSession, customRule, templateRuleParam);

    dbSession.commit();

    // Update custom rule without setting a value for the parameter
    RuleUpdate update =
        RuleUpdate.createForCustomRule(customRule.getKey())
            .setName("New name")
            .setMarkdownDescription("New description")
            .setSeverity("MAJOR")
            .setStatus(RuleStatus.READY);
    updater.update(update, userSessionRule);

    dbSession.clearCache();

    // Verify custom rule is updated
    Rule customRuleReloaded = ruleIndex.getByKey(customRule.getKey());
    RuleParam param = customRuleReloaded.params().get(0);
    assertThat(param.defaultValue()).isNull();
  }
  @Test
  public void update_custom_rule() throws Exception {
    // Template rule
    RuleDto templateRule =
        ruleDao.insert(session, RuleTesting.newTemplateRule(RuleKey.of("java", "S001")));
    RuleParamDto param =
        RuleParamDto.createFor(templateRule)
            .setName("regex")
            .setType("STRING")
            .setDescription("Reg ex")
            .setDefaultValue(".*");
    ruleDao.insertRuleParam(session, templateRule, param);
    session.commit();

    // Custom rule
    NewRule newRule =
        NewRule.createForCustomRule("MY_CUSTOM", templateRule.getKey())
            .setName("Old custom")
            .setHtmlDescription("Old description")
            .setSeverity(Severity.MINOR)
            .setStatus(RuleStatus.BETA)
            .setParameters(ImmutableMap.of("regex", "a"));
    RuleKey customRuleKey = ruleService.create(newRule);
    session.clearCache();

    WsTester.TestRequest request =
        wsTester
            .newPostRequest("api/rules", "update")
            .setParam("key", customRuleKey.toString())
            .setParam("name", "My custom rule")
            .setParam("markdown_description", "Description")
            .setParam("severity", "MAJOR")
            .setParam("status", "BETA")
            .setParam("params", "regex=a.*");
    request.execute().assertJson(getClass(), "update_custom_rule.json");
  }
  @Test
  public void update_active_rule_parameters_when_updating_custom_rule() {
    // Create template rule with 3 parameters
    RuleDto templateRule =
        RuleTesting.newTemplateRule(RuleKey.of("java", "S001")).setLanguage("xoo");
    ruleDao.insert(dbSession, templateRule);
    RuleParamDto templateRuleParam1 =
        RuleParamDto.createFor(templateRule)
            .setName("regex")
            .setType("STRING")
            .setDescription("Reg ex")
            .setDefaultValue(".*");
    ruleDao.insertRuleParam(dbSession, templateRule, templateRuleParam1);
    RuleParamDto templateRuleParam2 =
        RuleParamDto.createFor(templateRule)
            .setName("format")
            .setType("STRING")
            .setDescription("format")
            .setDefaultValue("csv");
    ruleDao.insertRuleParam(dbSession, templateRule, templateRuleParam2);
    RuleParamDto templateRuleParam3 =
        RuleParamDto.createFor(templateRule)
            .setName("message")
            .setType("STRING")
            .setDescription("message");
    ruleDao.insertRuleParam(dbSession, templateRule, templateRuleParam3);

    // Create custom rule
    RuleDto customRule =
        RuleTesting.newCustomRule(templateRule).setSeverity(Severity.MAJOR).setLanguage("xoo");
    ruleDao.insert(dbSession, customRule);
    ruleDao.insertRuleParam(dbSession, customRule, templateRuleParam1.setDefaultValue("a.*"));
    ruleDao.insertRuleParam(dbSession, customRule, templateRuleParam2.setDefaultValue("txt"));
    ruleDao.insertRuleParam(dbSession, customRule, templateRuleParam3);

    // Create a quality profile
    QualityProfileDto profileDto = QProfileTesting.newXooP1();
    db.qualityProfileDao().insert(dbSession, profileDto);
    dbSession.commit();

    // Activate the custom rule
    RuleActivation activation =
        new RuleActivation(customRule.getKey()).setSeverity(Severity.BLOCKER);
    tester.get(RuleActivator.class).activate(dbSession, activation, QProfileTesting.XOO_P1_NAME);
    dbSession.commit();
    dbSession.clearCache();

    // Update custom rule parameter 'regex', add 'message' and remove 'format'
    RuleUpdate update =
        RuleUpdate.createForCustomRule(customRule.getKey())
            .setParameters(ImmutableMap.of("regex", "b.*", "message", "a message"));
    updater.update(update, userSessionRule);

    dbSession.clearCache();

    // Verify custom rule parameters has been updated
    Rule customRuleReloaded = ruleIndex.getByKey(customRule.getKey());
    assertThat(customRuleReloaded.params()).hasSize(3);
    assertThat(customRuleReloaded.param("regex")).isNotNull();
    assertThat(customRuleReloaded.param("regex").defaultValue()).isEqualTo("b.*");
    assertThat(customRuleReloaded.param("message")).isNotNull();
    assertThat(customRuleReloaded.param("message").defaultValue()).isEqualTo("a message");
    assertThat(customRuleReloaded.param("format")).isNotNull();
    assertThat(customRuleReloaded.param("format").defaultValue()).isNull();

    RuleParam param = customRuleReloaded.params().get(0);
    assertThat(param.defaultValue()).isEqualTo("b.*");

    // Verify active rule parameters has been updated
    ActiveRule activeRule =
        tester
            .get(ActiveRuleIndex.class)
            .getByKey(ActiveRuleKey.of(profileDto.getKey(), customRule.getKey()));
    assertThat(activeRule.params()).hasSize(2);
    assertThat(activeRule.params().get("regex")).isEqualTo("b.*");
    assertThat(activeRule.params().get("message")).isEqualTo("a message");
    assertThat(activeRule.params().get("format")).isNull();

    // Verify that severity has not changed
    assertThat(activeRule.severity()).isEqualTo(Severity.BLOCKER);
  }