You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@ambari.apache.org by on...@apache.org on 2014/05/06 14:36:59 UTC

git commit: AMBARI-5679. Unit tests for steps 7 (with refactor). (onechiporenko)

Repository: ambari
Updated Branches:
  refs/heads/trunk c867591fa -> f475fc0b8


AMBARI-5679. Unit tests for steps 7 (with refactor). (onechiporenko)


Project: http://git-wip-us.apache.org/repos/asf/ambari/repo
Commit: http://git-wip-us.apache.org/repos/asf/ambari/commit/f475fc0b
Tree: http://git-wip-us.apache.org/repos/asf/ambari/tree/f475fc0b
Diff: http://git-wip-us.apache.org/repos/asf/ambari/diff/f475fc0b

Branch: refs/heads/trunk
Commit: f475fc0b8c038a5607c81988dcf9bb11f3aa5c8a
Parents: c867591
Author: Oleg Nechiporenko <on...@apache.org>
Authored: Tue May 6 15:33:22 2014 +0300
Committer: Oleg Nechiporenko <on...@apache.org>
Committed: Tue May 6 15:33:22 2014 +0300

----------------------------------------------------------------------
 .../app/controllers/wizard/step7_controller.js  |  412 +++++--
 ambari-web/app/templates/wizard/step7.hbs       |   30 +-
 .../wizard/step7_custom_config_error.hbs        |   38 -
 ambari-web/test/installer/step7_test.js         | 1078 +++++++++++++++++-
 4 files changed, 1379 insertions(+), 179 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/ambari/blob/f475fc0b/ambari-web/app/controllers/wizard/step7_controller.js
----------------------------------------------------------------------
diff --git a/ambari-web/app/controllers/wizard/step7_controller.js b/ambari-web/app/controllers/wizard/step7_controller.js
index 51b7f41..30b72ac 100644
--- a/ambari-web/app/controllers/wizard/step7_controller.js
+++ b/ambari-web/app/controllers/wizard/step7_controller.js
@@ -32,7 +32,11 @@ App.WizardStep7Controller = Em.Controller.extend({
 
   name: 'wizardStep7Controller',
 
-  stepConfigs: [], //contains all field properties that are viewed in this step
+  /**
+   * Contains all field properties that are viewed in this step
+   * @type {object[]}
+   */
+  stepConfigs: [],
 
   selectedService: null,
 
@@ -40,42 +44,88 @@ App.WizardStep7Controller = Em.Controller.extend({
 
   secureConfigs: require('data/secure_mapping'),
 
-  miscModalVisible: false, //If miscConfigChange Modal is shown
+  /**
+   * If miscConfigChange Modal is shown
+   * @type {bool}
+   */
+  miscModalVisible: false,
 
   gangliaAvailableSpace: null,
 
+  /**
+   * @type {string}
+   */
   gangliaMoutDir:'/',
 
   overrideToAdd: null,
 
+  /**
+   * Is installer controller used
+   * @type {bool}
+   */
   isInstaller: true,
 
+  /**
+   * List of config groups
+   * @type {object[]}
+   */
   configGroups: [],
 
+  /**
+   * List of config group to be deleted
+   * @type {object[]}
+   */
   groupsToDelete: [],
 
+  /**
+   * Currently selected config group
+   * @type {object}
+   */
   selectedConfigGroup: null,
+
   /**
-   * config tags of actually installed services
+   * Config tags of actually installed services
+   * @type {array}
    */
   serviceConfigTags: [],
 
   serviceConfigsData: require('data/service_configs'),
 
+  /**
+   * Are advanced configs loaded
+   * @type {bool}
+   */
   isAdvancedConfigLoaded: true,
 
+  /**
+   * Should Next-button be disabled
+   * @type {bool}
+   */
   isSubmitDisabled: function () {
     return (!this.stepConfigs.filterProperty('showConfig', true).everyProperty('errorCount', 0) || this.get("miscModalVisible"));
   }.property('stepConfigs.@each.errorCount', 'miscModalVisible'),
 
+  /**
+   * List of selected to install service names
+   * @type {string[]}
+   */
   selectedServiceNames: function () {
     return this.get('content.services').filterProperty('isSelected', true).filterProperty('isInstalled', false).mapProperty('serviceName');
   }.property('content.services').cacheable(),
 
+  /**
+   * List of installed and selected to install service names
+   * @type {string[]}
+   */
   allSelectedServiceNames: function () {
     return this.get('content.services').filterProperty('isSelected').mapProperty('serviceName');
   }.property('content.services').cacheable(),
 
+  /**
+   * List of installed service names
+   * Sqoop and HCatalog are excluded if not installer wizard running
+   * @type {string[]}
+   */
   installedServiceNames: function () {
     var serviceNames = this.get('content.services').filterProperty('isInstalled').mapProperty('serviceName');
     if(this.get('content.controllerName') !== 'installerController') {
@@ -84,24 +134,67 @@ App.WizardStep7Controller = Em.Controller.extend({
     return serviceNames;
   }.property('content.services').cacheable(),
 
+  /**
+   * List of master components
+   * @type {Ember.Enumerable}
+   */
   masterComponentHosts: function () {
     return this.get('content.masterComponentHosts');
   }.property('content.masterComponentHosts'),
 
+  /**
+   * List of slave components
+   * @type {Ember.Enumerable}
+   */
   slaveComponentHosts: function () {
     return this.get('content.slaveGroupProperties');
   }.property('content.slaveGroupProperties', 'content.slaveComponentHosts'),
 
   customData: [],
 
+  /**
+   * Filter text will be located here
+   * @type {string}
+   */
+  filter: '',
+
+  /**
+   * Dropdown menu items in filter combobox
+   * @type {Ember.Object[]}
+   */
+  filterColumns: function () {
+    var result = [];
+    for (var i = 1; i < 2; i++) {
+      result.push(Em.Object.create({
+        name: this.t('common.combobox.dropdown.' + i),
+        selected: false
+      }));
+    }
+    return result;
+  }.property(),
+
+  /**
+   * Clear controller's properties:
+   *  <ul>
+   *    <li>serviceConfigTags</li>
+   *    <li>stepConfigs</li>
+   *    <li>filter</li>
+   *  </ul>
+   *  and desect all <code>filterColumns</code>
+   * @method clearStep
+   */
   clearStep: function () {
     this.get('serviceConfigTags').clear();
     this.get('stepConfigs').clear();
     this.set('filter', '');
     this.get('filterColumns').setEach('selected', false);
   },
+
   /**
-   *  Load config groups for installed services
+   * Load config groups for installed services
+   * One ajax-request for each service
+   * @param {string[]} servicesNames
+   * @method loadInstalledServicesConfigGroups
    */
   loadInstalledServicesConfigGroups: function (servicesNames) {
     servicesNames.forEach(function(serviceName) {
@@ -119,6 +212,10 @@ App.WizardStep7Controller = Em.Controller.extend({
 
  /**
   * Load config groups success callback
+  * @param {object} data
+  * @param {object} opt
+  * @param {object} params
+  * @method loadServiceTagsSuccess
   */
   loadServiceTagsSuccess: function (data, opt, params) {
     var serviceConfigsDef = params.serviceConfigsDef;
@@ -208,6 +305,13 @@ App.WizardStep7Controller = Em.Controller.extend({
     service.set('configs', serviceConfig.get('configs'));
   },
 
+  /**
+   *
+   * @param {Ember.Object[]} configs
+   * @param {Ember.Object} componentConfig
+   * @param {Ember.Object} component
+   * @method loadComponentConfigs
+   */
   loadComponentConfigs: function (configs, componentConfig, component) {
     var localDB = App.router.get('mainServiceInfoConfigsController').getInfoForDefaults();
     var recommendedDefaults = {};
@@ -227,7 +331,6 @@ App.WizardStep7Controller = Em.Controller.extend({
       s.configsValidator.set('recommendedDefaults', recommendedDefaults);
     }
     configs.forEach(function (serviceConfigProperty) {
-      console.log("config", serviceConfigProperty);
       if (!serviceConfigProperty) return;
       var overrides = serviceConfigProperty.get('overrides');
       // we will populate the override properties below
@@ -257,7 +360,6 @@ App.WizardStep7Controller = Em.Controller.extend({
             }
           }
         }
-        console.log("config result", serviceConfigProperty);
       } else {
         serviceConfigProperty.set('isVisible', false);
       }
@@ -278,14 +380,13 @@ App.WizardStep7Controller = Em.Controller.extend({
           }
           var parentOverridesArray = serviceConfigProperty.get('overrides');
           if (parentOverridesArray == null) {
-            parentOverridesArray = Ember.A([]);
+            parentOverridesArray = Em.A([]);
             serviceConfigProperty.set('overrides', parentOverridesArray);
           }
           serviceConfigProperty.get('overrides').pushObject(newSCP);
-          console.debug("createOverrideProperty(): Added:", newSCP, " to main-property:", serviceConfigProperty)
         }, this);
       } else {
-        serviceConfigProperty.set('overrides', Ember.A([]));
+        serviceConfigProperty.set('overrides', Em.A([]));
       }
       if (App.get('isAdmin')) {
         if(defaultGroupSelected && !this.get('isHostsConfigsPage')){
@@ -308,10 +409,11 @@ App.WizardStep7Controller = Em.Controller.extend({
       }
     }
   },
+
   /**
    *  Resolve dependency between configs.
    *  @param serviceName {String}
-   *  @param configs {Mixed}
+   *  @param configs {Ember.Enumerable}
    */
   resolveServiceDependencyConfigs: function (serviceName, configs) {
     switch (serviceName) {
@@ -323,6 +425,12 @@ App.WizardStep7Controller = Em.Controller.extend({
     }
   },
 
+  /**
+   * Update some Storm configs
+   * If Ganglia is selected to install or already installed, Ganglia host should be added to configs
+   * @param {Ember.Enumerable} configs
+   * @method resolveStormConfigs
+   */
   resolveStormConfigs: function(configs) {
     var dependentConfigs, gangliaServerHost;
     dependentConfigs = ['nimbus.childopts', 'supervisor.childopts', 'worker.childopts'];
@@ -341,6 +449,7 @@ App.WizardStep7Controller = Em.Controller.extend({
 
   /**
    * On load function
+   * @method loadStep
    */
   loadStep: function () {
     console.log("TRACE: Loading step7: Configure Services");
@@ -353,21 +462,22 @@ App.WizardStep7Controller = Em.Controller.extend({
     //STEP 2: Load on-site configs by service from local DB
     var storedConfigs = this.get('content.serviceConfigProperties');
     //STEP 3: Merge pre-defined configs with loaded on-site configs
-    var configs = App.config.mergePreDefinedWithStored(storedConfigs, advancedConfigs, this.get('selectedServiceNames').concat(this.get('installedServiceNames')));
+    var configs = App.config.mergePreDefinedWithStored(
+      storedConfigs,
+      advancedConfigs,
+      this.get('selectedServiceNames').concat(this.get('installedServiceNames'))
+    );
     //STEP 4: Add advanced configs
     App.config.addAdvancedConfigs(configs, advancedConfigs);
     //STEP 5: Add custom configs
     App.config.addCustomConfigs(configs);
     //put properties from capacity-scheduler.xml into one config with textarea view
-    if (this.get('allSelectedServiceNames').contains('YARN') && !App.supports.capacitySchedulerUi) {
+    if (this.get('allSelectedServiceNames').contains('YARN') && !App.get('supports.capacitySchedulerUi')) {
       configs = App.config.fileConfigsIntoTextarea(configs, 'capacity-scheduler.xml');
     }
+
     this.set('groupsToDelete', this.get('wizardController').getDBProperty('groupsToDelete') || []);
-    var localDB = {
-      hosts: this.get('wizardController').getDBProperty('hosts'),
-      masterComponentHosts: this.get('wizardController').getDBProperty('masterComponentHosts'),
-      slaveComponentHosts: this.get('wizardController').getDBProperty('slaveComponentHosts')
-    };
+
     if (this.get('wizardController.name') === 'addServiceController') {
       this.getConfigTags();
       this.setInstalledServiceConfigs(this.get('serviceConfigTags'), configs);
@@ -376,6 +486,44 @@ App.WizardStep7Controller = Em.Controller.extend({
       this.resolveServiceDependencyConfigs('STORM', configs);
     }
     //STEP 6: Distribute configs by service and wrap each one in App.ServiceConfigProperty (configs -> serviceConfigs)
+    this.setStepConfigs(configs, storedConfigs);
+
+    this.checkHostOverrideInstaller();
+    this.activateSpecialConfigs();
+    this.selectProperService();
+    if (this.get('content.skipConfigStep')) {
+      App.router.send('next');
+    }
+  },
+
+  /**
+   * If <code>App.supports.hostOverridesInstaller</code> is enabled should load config groups
+   * and (if some services are already installed) load config groups for installed services
+   * @method checkHostOverrideInstaller
+   */
+  checkHostOverrideInstaller: function() {
+    if (App.get('supports.hostOverridesInstaller')) {
+      this.loadConfigGroups(this.get('content.configGroups'));
+      if (this.get('installedServiceNames').length > 0) {
+        this.loadInstalledServicesConfigGroups(this.get('installedServiceNames'));
+      }
+    }
+  },
+
+  /**
+   * Set init <code>stepConfigs</code> value
+   * Set <code>selected</code> for addable services if addServiceController is used
+   * Remove SNameNode if HA is enabled (and if addServiceController is used)
+   * @param {Ember.Object[]} configs
+   * @param {Ember.Object[]} storedConfigs
+   * @method setStepConfigs
+   */
+  setStepConfigs: function(configs, storedConfigs) {
+    var localDB = {
+      hosts: this.get('wizardController').getDBProperty('hosts'),
+      masterComponentHosts: this.get('wizardController').getDBProperty('masterComponentHosts'),
+      slaveComponentHosts: this.get('wizardController').getDBProperty('slaveComponentHosts')
+    };
     var serviceConfigs = App.config.renderConfigs(configs, storedConfigs, this.get('allSelectedServiceNames'), this.get('installedServiceNames'), localDB);
     if (this.get('wizardController.name') === 'addServiceController') {
       serviceConfigs.setEach('showConfig', true);
@@ -387,41 +535,52 @@ App.WizardStep7Controller = Em.Controller.extend({
 
       // Remove SNameNode if HA is enabled
       if (App.get('isHaEnabled')) {
-        configs = serviceConfigs.findProperty('serviceName', 'HDFS').configs;
-        var removedConfigs = configs.filterProperty('category', 'SNameNode');
+        var c = serviceConfigs.findProperty('serviceName', 'HDFS').configs;
+        var removedConfigs = c.filterProperty('category', 'SNameNode');
         removedConfigs.map(function(config) {
-          configs = configs.without(config);
+          c = c.without(config);
         });
-        serviceConfigs.findProperty('serviceName', 'HDFS').configs = configs;
+        serviceConfigs.findProperty('serviceName', 'HDFS').configs = c;
       }
     }
 
     this.set('stepConfigs', serviceConfigs);
-    if (App.supports.hostOverridesInstaller) {
-      this.loadConfigGroups(this.get('content.configGroups'));
-      if (this.get('installedServiceNames').length > 0)
-        this.loadInstalledServicesConfigGroups(this.get('installedServiceNames'));
-    }
-    this.activateSpecialConfigs();
+  },
+
+  /**
+   * Select first addable service for <code>addServiceWizard</code>
+   * Select first service at all in other cases
+   * @method selectProperService
+   */
+  selectProperService: function() {
     if (this.get('wizardController.name') === 'addServiceController') {
       this.set('selectedService', this.get('stepConfigs').filterProperty('selected', true).get('firstObject'));
     }
     else {
       this.set('selectedService', this.get('stepConfigs').filterProperty('showConfig', true).objectAt(0));
     }
-    if (this.get('content.skipConfigStep')) {
-      App.router.send('next');
-    }
   },
+
+  /**
+   * Load config tags
+   * @return {$.ajax|null}
+   * @method getConfigTags
+   */
   getConfigTags: function() {
-    App.ajax.send({
+    return App.ajax.send({
       name: 'config.tags.sync',
       sender: this,
       success: 'getConfigTagsSuccess'
     });
   },
 
-  getConfigTagsSuccess: function (data, opt, params) {
+  /**
+   * Success callback for config tags request
+   * Updates <code>serviceConfigTags</code> with tags received from server
+   * @param {object} data
+   * @method getConfigTagsSuccess
+   */
+  getConfigTagsSuccess: function (data) {
     var installedServiceSites = [];
     this.get('serviceConfigsData').filter(function (service) {
       if (this.get('installedServiceNames').contains(service.serviceName)){
@@ -446,6 +605,7 @@ App.WizardStep7Controller = Em.Controller.extend({
    * set configs actual values from server
    * @param serviceConfigTags
    * @param configs
+   * @method setInstalledServiceConfigs
    */
   setInstalledServiceConfigs: function (serviceConfigTags, configs) {
     var configsMap = {};
@@ -463,6 +623,12 @@ App.WizardStep7Controller = Em.Controller.extend({
     })
   },
 
+  /**
+   * Add group ids to <code>groupsToDelete</code>
+   * Also save <code>groupsToDelete</code> to local storage
+   * @param {Ember.Object[]} groups
+   * @method setGroupsToDelete
+   */
   setGroupsToDelete: function(groups) {
     var groupsToDelete = this.get('groupsToDelete');
     groups.forEach(function(group) {
@@ -473,6 +639,13 @@ App.WizardStep7Controller = Em.Controller.extend({
     });
     this.get('wizardController').setDBProperty('groupsToDelete', groupsToDelete);
   },
+
+  /**
+   * Update <code>configGroups</code> with selected service configGroups
+   * Also set default group to first position
+   * Update <code>selectedConfigGroup</code> with new default group
+   * @method selectedServiceObserver
+   */
   selectedServiceObserver: function () {
     if (App.supports.hostOverridesInstaller && this.get('selectedService') && (this.get('selectedService.serviceName') !== 'MISC')) {
       var serviceGroups = this.get('selectedService.configGroups');
@@ -486,9 +659,11 @@ App.WizardStep7Controller = Em.Controller.extend({
       this.set('selectedConfigGroup', serviceGroups.findProperty('isDefault'));
     }
   }.observes('selectedService.configGroups.@each'),
+
   /**
    * load default groups for each service in case of initial load
    * @param serviceConfigGroups
+   * @method loadConfigGroups
    */
   loadConfigGroups: function (serviceConfigGroups) {
     var services = this.get('stepConfigs');
@@ -509,7 +684,8 @@ App.WizardStep7Controller = Em.Controller.extend({
             serviceName: service.serviceName
           })
         ]);
-      } else {
+      }
+      else {
         var defaultGroup = App.ConfigGroup.create(serviceRawGroups.findProperty('isDefault'));
         var serviceGroups = service.get('configGroups');
         serviceRawGroups.filterProperty('isDefault', false).forEach(function (configGroup) {
@@ -529,51 +705,100 @@ App.WizardStep7Controller = Em.Controller.extend({
     });
   },
 
+  /**
+   * Click-handler on config-group to make it selected
+   * @param {object} event
+   * @method selectConfigGroup
+   */
   selectConfigGroup: function (event) {
     this.set('selectedConfigGroup', event.context);
   },
 
   /**
-   * rebuild list of configs switch of config group:
+   * Rebuild list of configs switch of config group:
    * on default - display all configs from default group and configs from non-default groups as disabled
    * on non-default - display all from default group as disabled and configs from selected non-default group
+   * @method switchConfigGroupConfigs
    */
   switchConfigGroupConfigs: function () {
-    var serviceConfigs = this.get('selectedService.configs');
-    var selectedGroup = this.get('selectedConfigGroup');
-    var overrideToAdd = this.get('overrideToAdd');
-    var isServiceInstalled = this.get('installedServiceNames').contains(this.get('selectedService.serviceName'));
+    var serviceConfigs = this.get('selectedService.configs'),
+      selectedGroup = this.get('selectedConfigGroup'),
+      overrideToAdd = this.get('overrideToAdd'),
+      overrides = [];
     if(!selectedGroup) return;
-    var displayedConfigGroups = (selectedGroup.get('isDefault')) ?
-        this.get('selectedService.configGroups').filterProperty('isDefault', false) :
-        [this.get('selectedConfigGroup')];
-    var overrides = [];
 
+    var displayedConfigGroups = this._getDisplayedConfigGroups();
     displayedConfigGroups.forEach(function (group) {
       overrides.pushObjects(group.get('properties'));
     });
     serviceConfigs.forEach(function (config) {
-      var configOverrides = overrides.filterProperty('name', config.get('name'));
-      var isEditable = config.get('isEditable');
-      if (isServiceInstalled) {
-        isEditable = (!isEditable && !config.get('isReconfigurable')) ? false : selectedGroup.get('isDefault');
-      } else {
-        isEditable = selectedGroup.get('isDefault');
-      }
-      config.set('isEditable', isEditable);
-      if (overrideToAdd && overrideToAdd.get('name') === config.get('name')) {
-        configOverrides.push(this.addOverrideProperty(config));
-        this.set('overrideToAdd', null);
-      }
-      configOverrides.setEach('isEditable', !selectedGroup.get('isDefault'));
-      configOverrides.setEach('parentSCP', config);
-      config.set('overrides', configOverrides);
+      this._setEditableValue(config);
+      this._setOverrides(config, overrides);
     }, this);
   }.observes('selectedConfigGroup'),
+
+  /**
+   * Get list of config groups to display
+   * Returns empty array if no <code>selectedConfigGroup</code>
+   * @return {Array}
+   * @method _getDisplayedConfigGroups
+   */
+  _getDisplayedConfigGroups: function() {
+    var selectedGroup = this.get('selectedConfigGroup');
+    if (!selectedGroup) return [];
+    return (selectedGroup.get('isDefault')) ?
+      this.get('selectedService.configGroups').filterProperty('isDefault', false) :
+      [this.get('selectedConfigGroup')];
+  },
+
+  /**
+   * Set <code>isEditable</code> property to <code>config</code>
+   * @param {Ember.Object} config
+   * @return {Ember.Object} updated config-object
+   * @method _setEditableValue
+   */
+  _setEditableValue: function(config) {
+    var selectedGroup = this.get('selectedConfigGroup');
+    if (!selectedGroup) return config;
+    var isEditable = config.get('isEditable'),
+      isServiceInstalled = this.get('installedServiceNames').contains(this.get('selectedService.serviceName'));
+    if (isServiceInstalled) {
+      isEditable = (!isEditable && !config.get('isReconfigurable')) ? false : selectedGroup.get('isDefault');
+    }
+    else {
+      isEditable = selectedGroup.get('isDefault');
+    }
+    config.set('isEditable', isEditable);
+    return config;
+  },
+
+  /**
+   * Set <code>overrides</code> property to <code>config</code>
+   * @param {Ember.Object} config
+   * @param {Ember.Enumerable} overrides
+   * @returns {Ember.Object}
+   * @method _setOverrides
+   */
+  _setOverrides: function(config, overrides) {
+    var selectedGroup = this.get('selectedConfigGroup'),
+      overrideToAdd = this.get('overrideToAdd'),
+      configOverrides = overrides.filterProperty('name', config.get('name'));
+    if (!selectedGroup) return config;
+    if (overrideToAdd && overrideToAdd.get('name') === config.get('name')) {
+      configOverrides.push(this.addOverrideProperty(config));
+      this.set('overrideToAdd', null);
+    }
+    configOverrides.setEach('isEditable', !selectedGroup.get('isDefault'));
+    configOverrides.setEach('parentSCP', config);
+    config.set('overrides', configOverrides);
+    return config;
+  },
+
   /**
    * create overriden property and push it into Config group
-   * @param serviceConfigProperty
-   * @return {*}
+   * @param {App.ServiceConfigProperty} serviceConfigProperty
+   * @return {App.ServiceConfigProperty}
+   * @method addOverrideProperty
    */
   addOverrideProperty: function (serviceConfigProperty) {
     var overrides = serviceConfigProperty.get('overrides') || [];
@@ -589,79 +814,30 @@ App.WizardStep7Controller = Em.Controller.extend({
     return newSCP;
   },
 
+  /**
+   * @method manageConfigurationGroup
+   */
   manageConfigurationGroup: function () {
     App.router.get('mainServiceInfoConfigsController').manageConfigurationGroups(this);
   },
-  /**
-   * Filter text will be located here
-   */
-  filter: '',
 
   /**
-   * Dropdown menu items in filter combobox
-   */
-  filterColumns: function () {
-    var result = [];
-    for (var i = 1; i < 2; i++) {
-      result.push(Ember.Object.create({
-        name: this.t('common.combobox.dropdown.' + i),
-        selected: false
-      }));
-    }
-    return result;
-  }.property(),
-   /**
-   * make some configs visible depending on active services
+   * Make some configs visible depending on active services
+   * @method activateSpecialConfigs
    */
   activateSpecialConfigs: function () {
     var miscConfigs = this.get('stepConfigs').findProperty('serviceName', 'MISC').configs;
     miscConfigs = App.config.miscConfigVisibleProperty(miscConfigs, this.get('selectedServiceNames'));
   },
 
+  /**
+   * Click-handler on Next button
+   * @method submit
+   */
   submit: function () {
     if (!this.get('isSubmitDisabled')) {
       App.router.send('next');
     }
-  }, 
-  
-  /**
-   * Provides service component name and display-name information for 
-   * the current selected service. 
-   */
-  getCurrentServiceComponents: function () {
-    var selectedServiceName = this.get('selectedService.serviceName');
-    var masterComponents = this.get('content.masterComponentHosts');
-    var slaveComponents = this.get('content.slaveComponentHosts');
-    var scMaps = App.StackServiceComponent.find();
-    
-    var validComponents = Ember.A([]);
-    var seenComponents = {};
-    masterComponents.forEach(function(component){
-      var cn = component.component;
-      var cdn = component.display_name;
-      if(component.serviceId===selectedServiceName && !seenComponents[cn]){
-        validComponents.pushObject(Ember.Object.create({
-          componentName: cn,
-          displayName: cdn,
-          selected: false
-        }));
-        seenComponents[cn] = cn;
-      }
-    });
-    slaveComponents.forEach(function(component){
-      var cn = component.componentName;
-      var cdn = component.displayName;
-      var componentDef = scMaps.findProperty('componentName', cn);
-      if(!!componentDef && selectedServiceName===componentDef.get('serviceName') && !seenComponents[cn]){
-        validComponents.pushObject(Ember.Object.create({
-          componentName: cn,
-          displayName: cdn,
-          selected: false
-        }));
-        seenComponents[cn] = cn;
-      }
-    });
-    return validComponents;
-  }.property('content')
+  }
 
 });

http://git-wip-us.apache.org/repos/asf/ambari/blob/f475fc0b/ambari-web/app/templates/wizard/step7.hbs
----------------------------------------------------------------------
diff --git a/ambari-web/app/templates/wizard/step7.hbs b/ambari-web/app/templates/wizard/step7.hbs
index b10434f..eb4fb76 100644
--- a/ambari-web/app/templates/wizard/step7.hbs
+++ b/ambari-web/app/templates/wizard/step7.hbs
@@ -17,24 +17,22 @@
 }}
 
 <div id="serviceConfig">
-    <h2>{{t installer.step7.header}}</h2>
+  <h2>{{t installer.step7.header}}</h2>
 
-    <div class="alert alert-info">
-      {{t installer.step7.body}}
-    </div>
+  <div class="alert alert-info">
+    {{t installer.step7.body}}
+  </div>
 
-    {{#if isAdvancedConfigLoaded}}
-      {{view App.ServicesConfigView}}
-    {{else}}
-      <div class="spinner"></div>
-    {{/if}}
+  {{#if isAdvancedConfigLoaded}}
+    {{view App.ServicesConfigView}}
+  {{else}}
+    <div class="spinner"></div>
+  {{/if}}
 
 
-    <div class="btn-area">
-        <a class="btn" {{action back}}>&larr; {{t common.back}}</a>
-
-        <a
-                class="btn btn-success pull-right" {{bindAttr disabled="isSubmitDisabled"}}
-          {{action submit target="controller"}}>{{t common.next}} &rarr;</a>
-    </div>
+  <div class="btn-area">
+    <a class="btn" {{action back}}>&larr; {{t common.back}}</a>
+    <a class="btn btn-success pull-right" {{bindAttr disabled="isSubmitDisabled"}}
+      {{action submit target="controller"}}>{{t common.next}} &rarr;</a>
+  </div>
 </div>

http://git-wip-us.apache.org/repos/asf/ambari/blob/f475fc0b/ambari-web/app/templates/wizard/step7_custom_config_error.hbs
----------------------------------------------------------------------
diff --git a/ambari-web/app/templates/wizard/step7_custom_config_error.hbs b/ambari-web/app/templates/wizard/step7_custom_config_error.hbs
deleted file mode 100644
index 085070c..0000000
--- a/ambari-web/app/templates/wizard/step7_custom_config_error.hbs
+++ /dev/null
@@ -1,38 +0,0 @@
-{{!
-* 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.
-}}
-
-<h5>{{view.message}}</h5>
-<br />
-<div class="pre-scrollable" style="max-height: 250px;">
-  <ul>
-    {{#each val in view.customConfig}}
-      {{#if val.siteProperties}}
-        <li>
-          {{val.serviceName}}
-            <ul>
-              {{#each item in val.siteProperties}}
-                <li>
-                  {{item.displayMsg}}
-                </li>
-              {{/each}}
-            </ul>
-        </li>
-      {{/if}}
-    {{/each}}
-  </ul>
-</div>
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ambari/blob/f475fc0b/ambari-web/test/installer/step7_test.js
----------------------------------------------------------------------
diff --git a/ambari-web/test/installer/step7_test.js b/ambari-web/test/installer/step7_test.js
index c1e4161..52e00dd 100644
--- a/ambari-web/test/installer/step7_test.js
+++ b/ambari-web/test/installer/step7_test.js
@@ -18,13 +18,19 @@
 
 var App = require('app');
 var numberUtils = require('utils/number_utils');
+require('mixins/common/localStorage');
+require('models/config_group');
 require('controllers/wizard/step7_controller');
 
 var installerStep7Controller;
 
 describe('App.InstallerStep7Controller', function () {
 
-  describe('#installedServiceNames', function() {
+  beforeEach(function () {
+    installerStep7Controller = App.WizardStep7Controller.create();
+  });
+
+  describe('#installedServiceNames', function () {
 
     var tests = Em.A([
       {
@@ -101,11 +107,9 @@ describe('App.InstallerStep7Controller', function () {
       }
     ]);
 
-    tests.forEach(function(test) {
-      it(test.m, function() {
-        installerStep7Controller = App.WizardStep7Controller.create({
-          content: test.content
-        });
+    tests.forEach(function (test) {
+      it(test.m, function () {
+        installerStep7Controller.set('content', test.content);
         expect(installerStep7Controller.get('installedServiceNames')).to.include.members(test.e);
         expect(test.e).to.include.members(installerStep7Controller.get('installedServiceNames'));
       });
@@ -113,4 +117,1064 @@ describe('App.InstallerStep7Controller', function () {
 
   });
 
-});
+  describe('#isSubmitDisabled', function () {
+    it('should be true if miscModalVisible', function () {
+      installerStep7Controller.reopen({miscModalVisible: true});
+      expect(installerStep7Controller.get('isSubmitDisabled')).to.equal(true);
+    });
+    it('should be true if some of stepConfigs has errors', function () {
+      installerStep7Controller.reopen({
+        miscModalVisible: false,
+        stepConfigs: [
+          {
+            showConfig: true,
+            errorCount: 1
+          }
+        ]
+      });
+      expect(installerStep7Controller.get('isSubmitDisabled')).to.equal(true);
+    });
+    it('should be false if all of stepConfigs don\'t have errors and miscModalVisible is false', function () {
+      installerStep7Controller.reopen({
+        miscModalVisible: false,
+        stepConfigs: [
+          {
+            showConfig: true,
+            errorCount: 0
+          }
+        ]
+      });
+      expect(installerStep7Controller.get('isSubmitDisabled')).to.equal(false);
+    });
+  });
+
+  describe('#selectedServiceNames', function () {
+    it('should use content.services as source of data', function () {
+      installerStep7Controller.set('content', {
+        services: [
+          {isSelected: true, isInstalled: false, serviceName: 's1'},
+          {isSelected: false, isInstalled: false, serviceName: 's2'},
+          {isSelected: true, isInstalled: true, serviceName: 's3'},
+          {isSelected: false, isInstalled: false, serviceName: 's4'},
+          {isSelected: true, isInstalled: false, serviceName: 's5'},
+          {isSelected: false, isInstalled: false, serviceName: 's6'},
+          {isSelected: true, isInstalled: true, serviceName: 's7'},
+          {isSelected: false, isInstalled: false, serviceName: 's8'}
+        ]
+      });
+      var expected = ['s1', 's5'];
+      expect(installerStep7Controller.get('selectedServiceNames')).to.eql(expected);
+    });
+  });
+
+  describe('#allSelectedServiceNames', function () {
+    it('should use content.services as source of data', function () {
+      installerStep7Controller.set('content', {
+        services: [
+          {isSelected: true, isInstalled: false, serviceName: 's1'},
+          {isSelected: false, isInstalled: false, serviceName: 's2'},
+          {isSelected: true, isInstalled: true, serviceName: 's3'},
+          {isSelected: false, isInstalled: false, serviceName: 's4'},
+          {isSelected: true, isInstalled: false, serviceName: 's5'},
+          {isSelected: false, isInstalled: false, serviceName: 's6'},
+          {isSelected: true, isInstalled: true, serviceName: 's7'},
+          {isSelected: false, isInstalled: false, serviceName: 's8'}
+        ]
+      });
+      var expected = ['s1', 's3', 's5', 's7'];
+      expect(installerStep7Controller.get('allSelectedServiceNames')).to.eql(expected);
+    });
+  });
+
+  describe('#masterComponentHosts', function () {
+    it('should be equal to content.masterComponentHosts', function () {
+      var masterComponentHosts = [
+        {},
+        {},
+        {}
+      ];
+      installerStep7Controller.reopen({content: {masterComponentHosts: masterComponentHosts}});
+      expect(installerStep7Controller.get('masterComponentHosts')).to.eql(masterComponentHosts);
+    });
+  });
+
+  describe('#slaveComponentHosts', function () {
+    it('should be equal to content.slaveGroupProperties', function () {
+      var slaveGroupProperties = [
+        {},
+        {},
+        {}
+      ];
+      installerStep7Controller.reopen({content: {slaveGroupProperties: slaveGroupProperties}});
+      expect(installerStep7Controller.get('slaveComponentHosts')).to.eql(slaveGroupProperties);
+    });
+  });
+
+  describe('#clearStep', function () {
+    it('should clear serviceConfigTags', function () {
+      installerStep7Controller.set('serviceConfigTags', [
+        {},
+        {}
+      ]);
+      installerStep7Controller.clearStep();
+      expect(installerStep7Controller.get('serviceConfigTags.length')).to.equal(0);
+    });
+    it('should clear stepConfigs', function () {
+      installerStep7Controller.set('stepConfigs', [
+        {},
+        {}
+      ]);
+      installerStep7Controller.clearStep();
+      expect(installerStep7Controller.get('stepConfigs.length')).to.equal(0);
+    });
+    it('should clear filter', function () {
+      installerStep7Controller.set('filter', 'filter');
+      installerStep7Controller.clearStep();
+      expect(installerStep7Controller.get('filter')).to.equal('');
+    });
+    it('should set for each filterColumns "selected" false', function () {
+      installerStep7Controller.set('filterColumns', [
+        {selected: true},
+        {selected: false},
+        {selected: true}
+      ]);
+      installerStep7Controller.clearStep();
+      expect(installerStep7Controller.get('filterColumns').everyProperty('selected', false)).to.equal(true);
+    });
+  });
+
+  describe('#loadInstalledServicesConfigGroups', function () {
+    before(function () {
+      sinon.stub(App.ajax, 'send', Em.K);
+    });
+    after(function () {
+      App.ajax.send.restore();
+    });
+    it('should do ajax request for each received service name', function () {
+      var serviceNames = ['s1', 's2', 's3'];
+      installerStep7Controller.loadInstalledServicesConfigGroups(serviceNames);
+      expect(App.ajax.send.callCount).to.equal(serviceNames.length);
+    });
+  });
+
+  describe('#getConfigTags', function () {
+    before(function () {
+      sinon.stub(App.ajax, 'send', Em.K);
+    });
+    after(function () {
+      App.ajax.send.restore();
+    });
+    it('should do ajax-request', function () {
+      installerStep7Controller.getConfigTags();
+      expect(App.ajax.send.calledOnce).to.equal(true);
+    });
+  });
+
+  describe('#setGroupsToDelete', function () {
+    beforeEach(function () {
+      installerStep7Controller.set('wizardController', Em.Object.create(App.LocalStorage, {name: 'tdk'}));
+    });
+    it('should add new groups to groupsToDelete', function () {
+      var groupsToDelete = [
+          {id: '1'},
+          {id: '2'}
+        ],
+        groups = [
+          Em.Object.create({id: '3'}),
+          Em.Object.create(),
+          Em.Object.create({id: '5'})
+        ],
+        expected = [
+          {id: "1"},
+          {id: "2"},
+          {id: "3"},
+          {id: "5"}
+        ];
+      installerStep7Controller.set('groupsToDelete', groupsToDelete);
+      installerStep7Controller.setGroupsToDelete(groups);
+      expect(installerStep7Controller.get('groupsToDelete')).to.eql(expected);
+      expect(installerStep7Controller.get('wizardController').getDBProperty('groupsToDelete')).to.eql(expected);
+    });
+  });
+
+  describe('#selectConfigGroup', function () {
+    beforeEach(function () {
+      installerStep7Controller.reopen({content: {services: []}});
+      sinon.stub(installerStep7Controller, 'switchConfigGroupConfigs', Em.K);
+    });
+    afterEach(function () {
+      installerStep7Controller.switchConfigGroupConfigs.restore();
+    });
+    it('should set selectedConfigGroup', function () {
+      var group = {':': []};
+      installerStep7Controller.selectConfigGroup({context: group});
+      expect(installerStep7Controller.get('selectedConfigGroup')).to.eql(group);
+    });
+  });
+
+  describe('#submit', function () {
+    beforeEach(function () {
+      sinon.stub(App.router, 'send', Em.K);
+    });
+    afterEach(function () {
+      App.router.send.restore();
+    });
+    it('should proceed if submit is not disabled', function () {
+      installerStep7Controller.reopen({isSubmitDisabled: false});
+      installerStep7Controller.submit();
+      expect(App.router.send.calledOnce).to.equal(true);
+    });
+    it('should not proceed if submit is disabled', function () {
+      installerStep7Controller.reopen({isSubmitDisabled: true});
+      installerStep7Controller.submit();
+      expect(App.router.send.called).to.equal(false);
+    });
+  });
+
+  describe('#addOverrideProperty', function () {
+    it('should add override property', function () {
+      var groupName = 'groupName',
+        selectedService = {configGroups: [Em.Object.create({name: groupName, properties: []})]},
+        selectedConfigGroup = {name: groupName},
+        serviceConfigProperty = Em.Object.create({overrides: []}),
+        expected = Em.Object.create({
+          value: '',
+          isOriginalSCP: false,
+          isEditable: true
+        });
+      installerStep7Controller.reopen({selectedService: selectedService, selectedConfigGroup: selectedConfigGroup});
+      var newSCP = installerStep7Controller.addOverrideProperty(serviceConfigProperty);
+      Em.keys(expected).forEach(function (k) {
+        expect(newSCP.get(k)).to.equal(expected.get(k));
+      });
+      var group = installerStep7Controller.get('selectedService.configGroups').findProperty('name', groupName);
+      expect(newSCP.get('group')).to.eql(group);
+      expect(newSCP.get('parentSCP')).to.eql(serviceConfigProperty);
+      expect(group.get('properties.length')).to.equal(1);
+    });
+  });
+
+  describe('#getConfigTagsSuccess', function () {
+    it('should update serviceConfigTags', function () {
+      var installedServiceNames = ['s1', 's2'],
+        serviceConfigsData = [
+          {serviceName: 's1', sites: ['s1-site', 's1-log']},
+          {serviceName: 's2', sites: ['s2-site', 'core-site']},
+          {serviceName: 's3', sites: ['s3-site']}
+        ],
+        data = {
+          Clusters: {
+            desired_configs: {
+              "core-site": {
+                "user": "admin",
+                "tag": "version1398780546992"
+              },
+              "global": {
+                "user": "admin",
+                "tag": "version1398780546992"
+              },
+              "s1-site": {
+                "user": "admin",
+                "tag": "version1"
+              },
+              "s1-log": {
+                "user": "admin",
+                "tag": "version1"
+              },
+              "s2-site": {
+                "user": "admin",
+                "tag": "version1"
+              },
+              "s3-site": {
+                "user": "admin",
+                "tag": "version1"
+              }
+            }
+          }
+        },
+        serviceConfigTags = [
+          {siteName: 'core-site', tagName: 'version1398780546992', newTagName: null},
+          {siteName: 's1-site', tagName: 'version1', newTagName: null},
+          {siteName: 's1-log', tagName: 'version1', newTagName: null},
+          {siteName: 's2-site', tagName: 'version1', newTagName: null}
+        ];
+      installerStep7Controller.reopen({serviceConfigsData: serviceConfigsData, installedServiceNames: installedServiceNames});
+      installerStep7Controller.getConfigTagsSuccess(data);
+      expect(installerStep7Controller.get('serviceConfigTags')).to.eql(serviceConfigTags);
+    });
+  });
+
+  describe('#resolveStormConfigs', function () {
+    beforeEach(function () {
+      installerStep7Controller.reopen({
+        content: {services: []},
+        wizardController: Em.Object.create({
+          getDBProperty: function () {
+            return [
+              {component: 'GANGLIA_SERVER', hostName: 'h1'}
+            ];
+          }
+        })
+      });
+    });
+    it('shouldn\'t do nothing if Ganglia and Storm are installed', function () {
+      var installedServiceNames = ['GANGLIA', 'STORM'],
+        configs = [
+          {name: 'nimbus.childopts', value: '.jar=host=', defaultValue: ''},
+          {name: 'supervisor.childopts', value: '.jar=host=', defaultValue: ''},
+          {name: 'worker.childopts', value: '.jar=host=', defaultValue: ''}
+        ],
+        expected = [
+          {name: 'nimbus.childopts', value: '.jar=host=', defaultValue: ''},
+          {name: 'supervisor.childopts', value: '.jar=host=', defaultValue: ''},
+          {name: 'worker.childopts', value: '.jar=host=', defaultValue: ''}
+        ];
+      installerStep7Controller.reopen({installedServiceNames: installedServiceNames});
+      installerStep7Controller.resolveStormConfigs(configs);
+      expect(configs).to.eql(expected);
+    });
+    it('shouldn\'t do nothing if Ganglia is in allSelectedServiceNames', function () {
+      var allSelectedServiceNames = ['GANGLIA'],
+        configs = [
+          {name: 'nimbus.childopts', value: '.jar=host=', defaultValue: ''},
+          {name: 'supervisor.childopts', value: '.jar=host=', defaultValue: ''},
+          {name: 'worker.childopts', value: '.jar=host=', defaultValue: ''}
+        ],
+        expected = [
+          {name: 'nimbus.childopts', value: '.jar=host=h1', defaultValue: '.jar=host=h1', forceUpdate: true},
+          {name: 'supervisor.childopts', value: '.jar=host=h1', defaultValue: '.jar=host=h1', forceUpdate: true},
+          {name: 'worker.childopts', value: '.jar=host=h1', defaultValue: '.jar=host=h1', forceUpdate: true}
+        ];
+      installerStep7Controller.reopen({allSelectedServiceNames: allSelectedServiceNames});
+      installerStep7Controller.resolveStormConfigs(configs);
+      Em.keys(expected[0]).forEach(function (k) {
+        expect(configs.mapProperty(k)).to.eql(expected.mapProperty(k));
+      });
+    });
+    it('shouldn\'t do nothing if Ganglia is in installedServiceNames', function () {
+      var installedServiceNames = ['GANGLIA'],
+        configs = [
+          {name: 'nimbus.childopts', value: '.jar=host=', defaultValue: ''},
+          {name: 'supervisor.childopts', value: '.jar=host=', defaultValue: ''},
+          {name: 'worker.childopts', value: '.jar=host=', defaultValue: ''}
+        ],
+        expected = [
+          {name: 'nimbus.childopts', value: '.jar=host=h1', defaultValue: '.jar=host=h1', forceUpdate: true},
+          {name: 'supervisor.childopts', value: '.jar=host=h1', defaultValue: '.jar=host=h1', forceUpdate: true},
+          {name: 'worker.childopts', value: '.jar=host=h1', defaultValue: '.jar=host=h1', forceUpdate: true}
+        ];
+      installerStep7Controller.reopen({installedServiceNames: installedServiceNames});
+      installerStep7Controller.resolveStormConfigs(configs);
+      Em.keys(expected[0]).forEach(function (k) {
+        expect(configs.mapProperty(k)).to.eql(expected.mapProperty(k));
+      });
+    });
+  });
+
+  describe('#resolveServiceDependencyConfigs', function () {
+    beforeEach(function () {
+      sinon.stub(installerStep7Controller, 'resolveStormConfigs', Em.K);
+    });
+    afterEach(function () {
+      installerStep7Controller.resolveStormConfigs.restore();
+    });
+    it('should call resolveStormConfigs if serviceName is STORM', function () {
+      var serviceName = 'STORM', configs = [
+        {},
+        {},
+        {}
+      ];
+      installerStep7Controller.resolveServiceDependencyConfigs(serviceName, configs);
+      expect(installerStep7Controller.resolveStormConfigs.calledWith(configs)).to.equal(true);
+    });
+  });
+
+  describe('#selectedServiceObserver', function () {
+    beforeEach(function () {
+      installerStep7Controller.reopen({content: {services: []}});
+      sinon.stub(installerStep7Controller, 'switchConfigGroupConfigs', Em.K);
+    });
+    afterEach(function () {
+      installerStep7Controller.switchConfigGroupConfigs.restore();
+    });
+    it('shouldn\'t do nothing if App.supports.hostOverridesInstaller is false', function () {
+      App.set('supports.hostOverridesInstaller', false);
+      var configGroups = [
+          {},
+          {}
+        ],
+        selectedConfigGroup = {};
+      installerStep7Controller.reopen({configGroups: configGroups, selectedConfigGroup: selectedConfigGroup});
+      installerStep7Controller.selectedServiceObserver();
+      expect(installerStep7Controller.get('configGroups')).to.eql(configGroups);
+      expect(installerStep7Controller.get('selectedConfigGroup')).to.eql(selectedConfigGroup);
+    });
+    it('shouldn\'t do nothing if selectedService is null', function () {
+      App.set('supports.hostOverridesInstaller', true);
+      var configGroups = [
+          {},
+          {}
+        ],
+        selectedConfigGroup = {};
+      installerStep7Controller.reopen({selectedService: null, configGroups: configGroups, selectedConfigGroup: selectedConfigGroup});
+      installerStep7Controller.selectedServiceObserver();
+      expect(installerStep7Controller.get('configGroups')).to.eql(configGroups);
+      expect(installerStep7Controller.get('selectedConfigGroup')).to.eql(selectedConfigGroup);
+    });
+    it('shouldn\'t do nothing if selectedService.serviceName is MISC', function () {
+      App.set('supports.hostOverridesInstaller', true);
+      var configGroups = [
+          {},
+          {}
+        ],
+        selectedConfigGroup = {};
+      installerStep7Controller.reopen({selectedService: {serviceName: 'MISC'}, configGroups: configGroups, selectedConfigGroup: selectedConfigGroup});
+      installerStep7Controller.selectedServiceObserver();
+      expect(installerStep7Controller.get('configGroups')).to.eql(configGroups);
+      expect(installerStep7Controller.get('selectedConfigGroup')).to.eql(selectedConfigGroup);
+    });
+    it('should update configGroups and selectedConfigGroup', function () {
+      App.set('supports.hostOverridesInstaller', true);
+      var defaultGroup = {isDefault: true, n: 'n2'},
+        configGroups = [
+          {isDefault: false, n: 'n1'},
+          defaultGroup,
+          {n: 'n3'}
+        ],
+        selectedConfigGroup = {};
+      installerStep7Controller.reopen({selectedService: {serviceName: 's1', configGroups: configGroups}});
+      installerStep7Controller.selectedServiceObserver();
+      expect(installerStep7Controller.get('configGroups').mapProperty('n')).to.eql(['n2', 'n1', 'n3']);
+      expect(installerStep7Controller.get('selectedConfigGroup')).to.eql(defaultGroup);
+    });
+  });
+
+  describe('#loadConfigGroups', function () {
+    beforeEach(function () {
+      installerStep7Controller.reopen({
+        wizardController: Em.Object.create({
+          allHosts: [
+            {hostName: 'h1'},
+            {hostName: 'h2'},
+            {hostName: 'h3'}
+          ]
+        })
+      });
+    });
+    it('shouldn\'t do nothing if only MISC available', function () {
+      var configGroups = [
+        {}
+      ];
+      installerStep7Controller.reopen({
+        stepConfigs: [Em.Object.create({serviceName: 'MISC', configGroups: configGroups})]
+      });
+      installerStep7Controller.loadConfigGroups([]);
+      expect(installerStep7Controller.get('stepConfigs.firstObject.configGroups')).to.eql(configGroups);
+    });
+    it('should set configGroups for service if they don\'t exist', function () {
+      var configGroups = [],
+        serviceName = 'HDFS',
+        serviceConfigGroups = [
+          {service: {id: 's1'}}
+        ];
+      installerStep7Controller.reopen({
+        stepConfigs: [Em.Object.create({serviceName: serviceName, configGroups: configGroups})]
+      });
+      installerStep7Controller.loadConfigGroups(serviceConfigGroups);
+      expect(installerStep7Controller.get('stepConfigs.firstObject.configGroups.length')).to.equal(1);
+      var group = installerStep7Controller.get('stepConfigs.firstObject.configGroups.firstObject');
+      expect(group.get('name')).to.equal(serviceName + ' Default');
+      expect(group.get('description').contains(serviceName)).to.equal(true);
+      expect(group.get('isDefault')).to.equal(true);
+      expect(group.get('hosts')).to.eql(['h1', 'h2', 'h3']);
+      expect(group.get('service.id')).to.equal(serviceName);
+      expect(group.get('serviceName')).to.equal(serviceName);
+    });
+    it('should update configGroups for service (only default group)', function () {
+      var configGroups = [],
+        serviceName = 'HDFS',
+        serviceConfigGroups = [
+          {service: {id: 'HDFS'}, isDefault: true, n: 'n1'}
+        ];
+      installerStep7Controller.reopen({
+        stepConfigs: [Em.Object.create({serviceName: serviceName, configGroups: configGroups})]
+      });
+      installerStep7Controller.loadConfigGroups(serviceConfigGroups);
+      expect(installerStep7Controller.get('stepConfigs.firstObject.configGroups').findProperty('isDefault').get('n')).to.equal('n1');
+    });
+    it('should update configGroups for service', function () {
+      var configGroups = [],
+        serviceName = 'HDFS',
+        serviceConfigGroups = [
+          {service: {id: 'HDFS'}, properties: [
+            {},
+            {}
+          ], isDefault: true, n: 'n1'},
+          {service: {id: 'HDFS'}, properties: [
+            {},
+            {}
+          ], isDefault: false, n: 'n2'}
+        ];
+      installerStep7Controller.reopen({
+        stepConfigs: [Em.Object.create({serviceName: serviceName, configGroups: configGroups})]
+      });
+      installerStep7Controller.loadConfigGroups(serviceConfigGroups);
+      expect(installerStep7Controller.get('stepConfigs.firstObject.configGroups.length')).to.equal(2);
+      expect(installerStep7Controller.get('stepConfigs.firstObject.configGroups').findProperty('isDefault').get('n')).to.equal('n1');
+      expect(installerStep7Controller.get('stepConfigs.firstObject.configGroups').findProperty('isDefault', false).get('properties').everyProperty('group.n', 'n2')).to.equal(true);
+      expect(installerStep7Controller.get('stepConfigs.firstObject.configGroups').findProperty('isDefault', false).get('parentConfigGroup.n')).to.equal('n1');
+    });
+  });
+
+  describe('#_getDisplayedConfigGroups', function () {
+    it('should return [] if no selected group', function () {
+      installerStep7Controller.reopen({
+        content: {services: []},
+        selectedConfigGroup: null
+      });
+      expect(installerStep7Controller._getDisplayedConfigGroups()).to.eql([]);
+    });
+    it('should return default config group if another selected', function () {
+      var defaultGroup = Em.Object.create({isDefault: false});
+      installerStep7Controller.reopen({
+        content: {services: []},
+        selectedConfigGroup: defaultGroup
+      });
+      expect(installerStep7Controller._getDisplayedConfigGroups()).to.eql([defaultGroup]);
+    });
+    it('should return other groups if default selected', function () {
+      var defaultGroup = Em.Object.create({isDefault: true}),
+        cfgG = Em.Object.create({isDefault: true}),
+        configGroups = Em.A([
+          Em.Object.create({isDefault: false}),
+          Em.Object.create({isDefault: false}),
+          cfgG,
+          Em.Object.create({isDefault: false})
+        ]);
+      installerStep7Controller.reopen({
+        content: {services: []},
+        selectedConfigGroup: defaultGroup,
+        selectedService: {configGroups: configGroups}
+      });
+      expect(installerStep7Controller._getDisplayedConfigGroups()).to.eql(configGroups.without(cfgG));
+    });
+  });
+
+  describe('#_setEditableValue', function () {
+    it('shouldn\'t update config if no selectedConfigGroup', function () {
+      installerStep7Controller.reopen({
+        selectedConfigGroup: null
+      });
+      var config = Em.Object.create({isEditable: null});
+      var updatedConfig = installerStep7Controller._setEditableValue(config);
+      expect(updatedConfig.get('isEditable')).to.be.null;
+    });
+    it('should set isEditable equal to selectedGroup.isDefault if service not installed', function () {
+      var isDefault = true;
+      installerStep7Controller.reopen({
+        installedServiceNames: [],
+        selectedService: {serviceName: 'abc'},
+        selectedConfigGroup: Em.Object.create({isDefault: isDefault})
+      });
+      var config = Em.Object.create({isEditable: null});
+      var updatedConfig = installerStep7Controller._setEditableValue(config);
+      expect(updatedConfig.get('isEditable')).to.equal(isDefault);
+      installerStep7Controller.toggleProperty('selectedConfigGroup.isDefault');
+      updatedConfig = installerStep7Controller._setEditableValue(config);
+      expect(updatedConfig.get('isEditable')).to.equal(!isDefault);
+    });
+    Em.A([
+        {
+          isEditable: false,
+          isReconfigurable: false,
+          isDefault: true,
+          e: false
+        },
+        {
+          isEditable: true,
+          isReconfigurable: true,
+          isDefault: true,
+          e: true
+        },
+        {
+          isEditable: false,
+          isReconfigurable: true,
+          isDefault: false,
+          e: false
+        },
+        {
+          isEditable: true,
+          isReconfigurable: false,
+          isDefault: false,
+          e: false
+        }
+      ]).forEach(function (test) {
+        it('service installed, isEditable = ' + test.isEditable.toString() + ', isReconfigurable = ' + test.isReconfigurable.toString(), function () {
+          var config = Em.Object.create({
+            isReconfigurable: test.isReconfigurable,
+            isEditable: test.isEditable
+          });
+          installerStep7Controller.reopen({
+            installedServiceNames: Em.A(['a']),
+            selectedService: Em.Object.create({serviceName: 'a'}),
+            selectedConfigGroup: Em.Object.create({isDefault: test.isDefault})
+          });
+          var updateConfig = installerStep7Controller._setEditableValue(config);
+          expect(updateConfig.get('isEditable')).to.equal(test.e);
+        });
+      });
+  });
+
+  describe('#_setOverrides', function () {
+    it('shouldn\'t update config if no selectedConfigGroup', function () {
+      installerStep7Controller.reopen({
+        selectedConfigGroup: null
+      });
+      var config = Em.Object.create({overrides: null});
+      var updatedConfig = installerStep7Controller._setOverrides(config, []);
+      expect(updatedConfig.get('overrides')).to.be.null;
+    });
+    it('no overrideToAdd', function () {
+      var isDefault = true,
+        name = 'n1',
+        config = Em.Object.create({overrides: null, name: name, flag: 'flag'}),
+        overrides = Em.A([
+          Em.Object.create({name: name, value: 'v1'}),
+          Em.Object.create({name: name, value: 'v2'}),
+          Em.Object.create({name: 'n2', value: 'v3'})
+        ]);
+      installerStep7Controller.reopen({
+        overrideToAdd: null,
+        selectedConfigGroup: Em.Object.create({
+          isDefault: isDefault
+        })
+      });
+      var updatedConfig = installerStep7Controller._setOverrides(config, overrides);
+      expect(updatedConfig.get('overrides.length')).to.equal(2);
+      expect(updatedConfig.get('overrides').everyProperty('isEditable', !isDefault)).to.equal(true);
+      expect(updatedConfig.get('overrides').everyProperty('parentSCP.flag', 'flag')).to.equal(true);
+    });
+    it('overrideToAdd exists', function () {
+      var isDefault = true,
+        name = 'n1',
+        config = Em.Object.create({overrides: null, name: name, flag: 'flag'}),
+        overrides = Em.A([
+          Em.Object.create({name: name, value: 'v1'}),
+          Em.Object.create({name: name, value: 'v2'}),
+          Em.Object.create({name: 'n2', value: 'v3'})
+        ]);
+      installerStep7Controller.reopen({
+        overrideToAdd: Em.Object.create({name: name}),
+        selectedService: {configGroups: [Em.Object.create({name: 'n', properties: []})]},
+        selectedConfigGroup: Em.Object.create({
+          isDefault: isDefault,
+          name: 'n'
+        })
+      });
+      var updatedConfig = installerStep7Controller._setOverrides(config, overrides);
+      expect(updatedConfig.get('overrides.length')).to.equal(3);
+      expect(updatedConfig.get('overrides').everyProperty('isEditable', !isDefault)).to.equal(true);
+      expect(updatedConfig.get('overrides').everyProperty('parentSCP.flag', 'flag')).to.equal(true);
+    });
+  });
+
+  describe('#switchConfigGroupConfigs', function () {
+    it('if selectedConfigGroup is null, serviceConfigs shouldn\'t be changed', function () {
+      installerStep7Controller.reopen({
+        selectedConfigGroup: null,
+        content: {services: []},
+        serviceConfigs: {configs: [
+          {overrides: []},
+          {overrides: []}
+        ]}
+      });
+      installerStep7Controller.switchConfigGroupConfigs();
+      expect(installerStep7Controller.get('serviceConfigs.configs').everyProperty('overrides.length', 0)).to.equal(true);
+    });
+    it('should set configs for serviceConfigs', function () {
+      var configGroups = [
+        Em.Object.create({
+          properties: [
+            {name: 'g1', value: 'v1'},
+            {name: 'g2', value: 'v2'}
+          ]
+        })
+      ];
+      sinon.stub(installerStep7Controller, '_getDisplayedConfigGroups', function () {
+        return configGroups;
+      });
+      sinon.stub(installerStep7Controller, '_setEditableValue', function (config) {
+        config.set('isEditable', true);
+        return config;
+      });
+      installerStep7Controller.reopen({
+        selectedConfigGroup: Em.Object.create({isDefault: true, name: 'g1'}),
+        content: {services: []},
+        selectedService: {configs: Em.A([Em.Object.create({name: 'g1', overrides: [], properties: []}), Em.Object.create({name: 'g2', overrides: []})])},
+        serviceConfigs: {configs: [Em.Object.create({name: 'g1'})]}
+      });
+      installerStep7Controller.switchConfigGroupConfigs();
+      var configs = installerStep7Controller.get('selectedService.configs');
+      expect(configs.findProperty('name', 'g1').get('overrides').length).to.equal(1);
+      expect(configs.findProperty('name', 'g2').get('overrides').length).to.equal(1);
+      expect(configs.everyProperty('isEditable', true)).to.equal(true);
+      installerStep7Controller._getDisplayedConfigGroups.restore();
+      installerStep7Controller._setEditableValue.restore();
+    });
+  });
+
+  describe('#selectProperService', function () {
+    Em.A([
+        {
+          name: 'addServiceController',
+          stepConfigs: [
+            {selected: false, name: 'n1'},
+            {selected: true, name: 'n2'},
+            {selected: true, name: 'n3'}
+          ],
+          e: 'n2'
+        },
+        {
+          name: 'installerController',
+          stepConfigs: [
+            {showConfig: false, name: 'n1'},
+            {showConfig: false, name: 'n2'},
+            {showConfig: true, name: 'n3'}
+          ],
+          e: 'n3'
+        }
+      ]).forEach(function (test) {
+        it(test.name, function () {
+          sinon.stub(installerStep7Controller, 'selectedServiceObserver', Em.K);
+          installerStep7Controller.reopen({
+            wizardController: Em.Object.create({
+              name: test.name
+            }),
+            stepConfigs: test.stepConfigs
+          });
+          installerStep7Controller.selectProperService();
+          expect(installerStep7Controller.get('selectedService.name')).to.equal(test.e);
+          installerStep7Controller.selectedServiceObserver.restore();
+        });
+      });
+  });
+
+  describe('#setStepConfigs', function () {
+    beforeEach(function () {
+      installerStep7Controller.reopen({
+        content: {services: []},
+        wizardController: Em.Object.create({
+          getDBProperty: function (key) {
+            return this.get(key);
+          }
+        })
+      });
+    });
+    afterEach(function() {
+      App.config.renderConfigs.restore();
+    });
+    it('if wizard isn\'t addService, should set output of App.config.renderConfigs', function () {
+      var serviceConfigs = Em.A([
+        {},
+        {}
+      ]);
+      sinon.stub(App.config, 'renderConfigs', function () {
+        return serviceConfigs;
+      });
+      installerStep7Controller.set('wizardController.name', 'installerController');
+      installerStep7Controller.setStepConfigs([], []);
+      expect(installerStep7Controller.get('stepConfigs')).to.eql(serviceConfigs);
+    });
+    it('addServiceWizard used', function () {
+      var serviceConfigs = Em.A([Em.Object.create({serviceName: 's1'}), Em.Object.create({serviceName: 's2'})]);
+      installerStep7Controller.set('wizardController.name', 'addServiceController');
+      installerStep7Controller.reopen({selectedServiceNames: ['s2']});
+      sinon.stub(App.config, 'renderConfigs', function () {
+        return serviceConfigs;
+      });
+      installerStep7Controller.setStepConfigs([], []);
+      expect(installerStep7Controller.get('stepConfigs').everyProperty('showConfig', true)).to.equal(true);
+      expect(installerStep7Controller.get('stepConfigs').findProperty('serviceName', 's2').get('selected')).to.equal(true);
+    });
+    it('addServiceWizard used, HA enabled', function () {
+      sinon.stub(App, 'get', function(k) {
+        if(k === 'isHaEnabled') {
+          return true;
+        }
+        return Em.get(App, k);
+      });
+      var serviceConfigs = Em.A([
+        Em.Object.create({
+          serviceName: 'HDFS',
+          configs: [
+            {category: 'SNameNode'},
+            {category: 'SNameNode'},
+            {category: 'NameNode'},
+            {category: 'NameNode'},
+            {category: 'SNameNode'}
+          ]
+        }),
+        Em.Object.create({serviceName: 's2'})]
+      );
+      installerStep7Controller.set('wizardController.name', 'addServiceController');
+      installerStep7Controller.reopen({selectedServiceNames: ['HDFS', 's2']});
+      sinon.stub(App.config, 'renderConfigs', function () {
+        return serviceConfigs;
+      });
+      installerStep7Controller.setStepConfigs([], []);
+      expect(installerStep7Controller.get('stepConfigs').everyProperty('showConfig', true)).to.equal(true);
+      expect(installerStep7Controller.get('stepConfigs').findProperty('serviceName', 'HDFS').get('selected')).to.equal(true);
+      expect(installerStep7Controller.get('stepConfigs').findProperty('serviceName', 'HDFS').get('configs').length).to.equal(2);
+      App.get.restore();
+    });
+  });
+
+  describe('#checkHostOverrideInstaller', function() {
+    beforeEach(function() {
+      sinon.stub(installerStep7Controller, 'loadConfigGroups', Em.K);
+      sinon.stub(installerStep7Controller, 'loadInstalledServicesConfigGroups', Em.K);
+    });
+    afterEach(function() {
+      installerStep7Controller.loadConfigGroups.restore();
+      installerStep7Controller.loadInstalledServicesConfigGroups.restore();
+      App.get.restore();
+    });
+    Em.A([
+        {
+          hostOverridesInstaller: false,
+          installedServiceNames: [],
+          m: 'hostOverridesInstaller is false, installedServiceNames is empty',
+          e: {
+            loadConfigGroups: false,
+            loadInstalledServicesConfigGroups: false
+          }
+        },
+        {
+          hostOverridesInstaller: false,
+          installedServiceNames: ['s1', 's2'],
+          m: 'hostOverridesInstaller is false, installedServiceNames is n\'t empty',
+          e: {
+            loadConfigGroups: false,
+            loadInstalledServicesConfigGroups: false
+          }
+        },
+        {
+          hostOverridesInstaller: true,
+          installedServiceNames: [],
+          m: 'hostOverridesInstaller is true, installedServiceNames is empty',
+          e: {
+            loadConfigGroups: true,
+            loadInstalledServicesConfigGroups: false
+          }
+        },
+        {
+          hostOverridesInstaller: true,
+          installedServiceNames: ['s1', 's2', 's3'],
+          m: 'hostOverridesInstaller is true, installedServiceNames isn\'t empty',
+          e: {
+            loadConfigGroups: true,
+            loadInstalledServicesConfigGroups: true
+          }
+        }
+    ]).forEach(function(test) {
+        it(test.m, function() {
+          sinon.stub(App, 'get', function(k) {
+            if (k === 'supports.hostOverridesInstaller') return test.hostOverridesInstaller;
+            return Em.get(App, k);
+          });
+          installerStep7Controller.reopen({installedServiceNames: test.installedServiceNames});
+          installerStep7Controller.checkHostOverrideInstaller();
+          if (test.e.loadConfigGroups) {
+            expect(installerStep7Controller.loadConfigGroups.calledOnce).to.equal(true);
+          }
+          else {
+            expect(installerStep7Controller.loadConfigGroups.called).to.equal(false);
+          }
+          if (test.e.loadInstalledServicesConfigGroups) {
+            expect(installerStep7Controller.loadInstalledServicesConfigGroups.calledOnce).to.equal(true);
+          }
+          else {
+            expect(installerStep7Controller.loadInstalledServicesConfigGroups.called).to.equal(false);
+          }
+        });
+      });
+  });
+
+  describe('#loadStep', function() {
+    beforeEach(function() {
+      installerStep7Controller.reopen({
+        content: {services: []},
+        wizardController: Em.Object.create({
+          getDBProperty: function(k) {return this.get(k);}
+        })
+      });
+      sinon.stub(App.config, 'mergePreDefinedWithStored', Em.K);
+      sinon.stub(App.config, 'addAdvancedConfigs', Em.K);
+      sinon.stub(App.config, 'addCustomConfigs', Em.K);
+      sinon.stub(App.config, 'fileConfigsIntoTextarea', Em.K);
+      sinon.stub(installerStep7Controller, 'clearStep', Em.K);
+      sinon.stub(installerStep7Controller, 'getConfigTags', Em.K);
+      sinon.stub(installerStep7Controller, 'setInstalledServiceConfigs', Em.K);
+      sinon.stub(installerStep7Controller, 'resolveServiceDependencyConfigs', Em.K);
+      sinon.stub(installerStep7Controller, 'setStepConfigs', Em.K);
+      sinon.stub(installerStep7Controller, 'checkHostOverrideInstaller', Em.K);
+      sinon.stub(installerStep7Controller, 'activateSpecialConfigs', Em.K);
+      sinon.stub(installerStep7Controller, 'selectProperService', Em.K);
+      sinon.stub(App.router, 'send', Em.K);
+    });
+    afterEach(function() {
+      App.config.mergePreDefinedWithStored.restore();
+      App.config.addAdvancedConfigs.restore();
+      App.config.addCustomConfigs.restore();
+      App.config.fileConfigsIntoTextarea.restore();
+      installerStep7Controller.clearStep.restore();
+      installerStep7Controller.getConfigTags.restore();
+      installerStep7Controller.setInstalledServiceConfigs.restore();
+      installerStep7Controller.resolveServiceDependencyConfigs.restore();
+      installerStep7Controller.setStepConfigs.restore();
+      installerStep7Controller.checkHostOverrideInstaller.restore();
+      installerStep7Controller.activateSpecialConfigs.restore();
+      installerStep7Controller.selectProperService.restore();
+      App.router.send.restore();
+    });
+    it('should call clearStep', function() {
+      installerStep7Controller.loadStep();
+      expect(installerStep7Controller.clearStep.calledOnce).to.equal(true);
+    });
+    it('shouldn\'t do nothing if isAdvancedConfigLoaded is false', function() {
+      installerStep7Controller.set('isAdvancedConfigLoaded', false);
+      installerStep7Controller.loadStep();
+      expect(installerStep7Controller.clearStep.called).to.equal(false);
+    });
+    it('should use App.config to map configs', function() {
+      installerStep7Controller.loadStep();
+      expect(App.config.mergePreDefinedWithStored.calledOnce).to.equal(true);
+      expect(App.config.addAdvancedConfigs.calledOnce).to.equal(true);
+      expect(App.config.addCustomConfigs.calledOnce).to.equal(true);
+    });
+    Em.A([
+        {
+          allSelectedServiceNames: ['YARN'],
+          capacitySchedulerUi: false,
+          e: true
+        },
+        {
+          allSelectedServiceNames: ['YARN'],
+          capacitySchedulerUi: true,
+          e: false
+        },
+        {
+          allSelectedServiceNames: ['HDFS'],
+          capacitySchedulerUi: false,
+          e: false
+        },
+        {
+          allSelectedServiceNames: ['HDFS'],
+          capacitySchedulerUi: true,
+          e: false
+        }
+      ]).forEach(function (test) {
+        it('allSelectedServiceNames = ' + JSON.stringify(test.allSelectedServiceNames) + ', capacitySchedulerUi = ' + test.capacitySchedulerUi.toString(), function () {
+          sinon.stub(App, 'get', function(k) {
+            if (k === 'supports.capacitySchedulerUi') return test.capacitySchedulerUi;
+            return Em.get(App, k);
+          });
+          installerStep7Controller.reopen({allSelectedServiceNames: test.allSelectedServiceNames});
+          installerStep7Controller.loadStep();
+          if (test.e) {
+          expect(App.config.fileConfigsIntoTextarea.calledOnce).to.equal(true);
+          }
+          else {
+            expect(App.config.fileConfigsIntoTextarea.called).to.equal(false);
+          }
+          App.get.restore();
+        });
+      });
+    it('should call getConfigTags, setInstalledServiceConfigs for addServiceController', function() {
+      installerStep7Controller.set('wizardController.name', 'addServiceController');
+      installerStep7Controller.loadStep();
+      expect(installerStep7Controller.getConfigTags.calledOnce).to.equal(true);
+      expect(installerStep7Controller.setInstalledServiceConfigs.calledOnce).to.equal(true);
+    });
+    Em.A([
+      {
+        allSelectedServiceNames: ['STORM'],
+        installedServiceNames: ['STORM'],
+        m: 'allSelectedServiceNames contains STORM, installedServiceNames contains STORM',
+        e: true
+      },
+        {
+          allSelectedServiceNames: [],
+          installedServiceNames: ['STORM'],
+          m: 'allSelectedServiceNames doesn\'t contain STORM, installedServiceNames contains STORM',
+          e: true
+        },
+        {
+          allSelectedServiceNames: ['STORM'],
+          installedServiceNames: [],
+          m: 'allSelectedServiceNames contains STORM, installedServiceNames doesn\'t contain STORM',
+          e: true
+        },
+        {
+          allSelectedServiceNames: [],
+          installedServiceNames: [],
+          m: 'allSelectedServiceNames doesn\'t contain STORM, installedServiceNames doesn\'t contain STORM',
+          e: false
+        }
+    ]).forEach(function(test) {
+        it(test.m, function() {
+          installerStep7Controller.reopen({
+            allSelectedServiceNames: test.allSelectedServiceNames,
+            installedServiceNames: test.installedServiceNames
+          });
+          installerStep7Controller.loadStep();
+          if (test.e) {
+            expect(installerStep7Controller.resolveServiceDependencyConfigs.calledOnce).to.equal(true);
+          }
+          else {
+            expect(installerStep7Controller.resolveServiceDependencyConfigs.called).to.equal(false);
+          }
+        });
+      });
+    it('should call setStepConfigs', function() {
+      installerStep7Controller.loadStep();
+      expect(installerStep7Controller.setStepConfigs.calledOnce).to.equal(true);
+    });
+    it('should call checkHostOverrideInstaller', function() {
+      installerStep7Controller.loadStep();
+      expect(installerStep7Controller.checkHostOverrideInstaller.calledOnce).to.equal(true);
+    });
+    it('should call activateSpecialConfigs', function() {
+      installerStep7Controller.loadStep();
+      expect(installerStep7Controller.activateSpecialConfigs.calledOnce).to.equal(true);
+    });
+    it('should call selectProperService', function() {
+      installerStep7Controller.loadStep();
+      expect(installerStep7Controller.selectProperService.calledOnce).to.equal(true);
+    });
+    Em.A([
+        {
+          m: 'should skip config step',
+          skipConfigStep: true,
+          e: true
+        },
+        {
+          m: 'shouldn\'t skip config step',
+          skipConfigStep: false,
+          e: false
+        }
+      ]).forEach(function(test) {
+      it(test.m, function() {
+        installerStep7Controller.set('content.skipConfigStep', test.skipConfigStep);
+        installerStep7Controller.loadStep();
+        if (test.e) {
+          expect(App.router.send.calledWith('next')).to.equal(true);
+        }
+        else {
+          expect(App.router.send.called).to.equal(false);
+        }
+      });
+    });
+  });
+
+});
\ No newline at end of file