Merge branch 'fe-paginated-environments-api-add-pagination' into 'fe-paginated-environments-api'

Add pagination to environments table

See merge request !9090

app/assets/javascripts/environments/components/environment.js.es6

@@ -4,18 +4,21 @@
 const Vue = require('vue');
 Vue.use(require('vue-resource'));
 const EnvironmentsService = require('../services/environments_service');
-const EnvironmentItem = require('./environment_item');
-const Store = require('../stores/environments_store');
+const EnvironmentTable = require('./environments_table');
+const EnvironmentsStore = require('../stores/environments_store');
+require('../../vue_shared/components/table_pagination');
+require('../../lib/utils/common_utils');
 
 module.exports = Vue.component('environment-component', {
 
   components: {
-    'environment-item': EnvironmentItem,
+    'environment-table': EnvironmentTable,
+    'table-pagination': gl.VueGlPagination,
   },
 
   data() {
     const environmentsData = document.querySelector('#environments-list-view').dataset;
-    const store = new Store();
+    const store = new EnvironmentsStore();
 
     return {
       store,
@@ -34,25 +37,30 @@ module.exports = Vue.component('environment-component', {
       commitIconSvg: environmentsData.commitIconSvg,
       playIconSvg: environmentsData.playIconSvg,
       terminalIconSvg: environmentsData.terminalIconSvg,
+
+      // Pagination Properties,
+      paginationInformation: {},
+      pageNumber: 1,
     };
   },
 
   computed: {
     scope() {
-      return this.$options.getQueryParameter('scope');
+      return gl.utils.getParameterByName('scope');
     },
 
     canReadEnvironmentParsed() {
-      return this.$options.convertPermissionToBoolean(this.canReadEnvironment);
+      return gl.utils.convertPermissionToBoolean(this.canReadEnvironment);
     },
 
     canCreateDeploymentParsed() {
-      return this.$options.convertPermissionToBoolean(this.canCreateDeployment);
+      return gl.utils.convertPermissionToBoolean(this.canCreateDeployment);
     },
 
     canCreateEnvironmentParsed() {
-      return this.$options.convertPermissionToBoolean(this.canCreateEnvironment);
+      return gl.utils.convertPermissionToBoolean(this.canCreateEnvironment);
     },
+
   },
 
   /**
@@ -60,19 +68,25 @@ module.exports = Vue.component('environment-component', {
    * Toggles loading property.
    */
   created() {
-    const scope = this.$options.getQueryParameter('scope') || this.visibility;
-    const endpoint = `${this.endpoint}?scope=${scope}`;
+    const scope = gl.utils.getParameterByName('scope') || this.visibility;
+    const pageNumber = gl.utils.getParameterByName('page') || this.pageNumber;
+
+    const endpoint = `${this.endpoint}?scope=${scope}&page=${pageNumber}`;
 
     const service = new EnvironmentsService(endpoint);
 
     this.isLoading = true;
 
     return service.all()
-      .then(resp => resp.json())
-      .then((json) => {
-        this.store.storeAvailableCount(json.available_count);
-        this.store.storeStoppedCount(json.stopped_count);
-        this.store.storeEnvironments(json.environments);
+      .then(resp => ({
+        headers: resp.headers,
+        body: resp.json(),
+      }))
+      .then((response) => {
+        this.store.storeAvailableCount(response.body.available_count);
+        this.store.storeStoppedCount(response.body.stopped_count);
+        this.store.storeEnvironments(response.body.environments);
+        this.store.setPagination(response.headers);
       })
       .then(() => {
         this.isLoading = false;
@@ -83,33 +97,22 @@ module.exports = Vue.component('environment-component', {
       });
   },
 
-  /**
-   * Transforms the url parameter into an object and
-   * returns the one requested.
-   *
-   * @param  {String} param
-   * @returns {String}       The value of the requested parameter.
-   */
-  getQueryParameter(parameter) {
-    return window.location.search.substring(1).split('&').reduce((acc, param) => {
-      const paramSplited = param.split('=');
-      acc[paramSplited[0]] = paramSplited[1];
-      return acc;
-    }, {})[parameter];
+  methods: {
+    toggleRow(model) {
+      return this.store.toggleFolder(model.name);
     },
 
     /**
-   * Converts permission provided as strings to booleans.
-   * @param  {String} string
-   * @returns {Boolean}
+     * Will change the page number and update the URL.
+     *
+     * @param  {Number} pageNumber desired page to go to.
+     * @return {String}
      */
-  convertPermissionToBoolean(string) {
-    return string === 'true';
-  },
+    changePage(pageNumber) {
+      const param = gl.utils.setParamInURL('page', pageNumber);
 
-  methods: {
-    toggleRow(model) {
-      return this.store.toggleFolder(model.name);
+      gl.utils.visitUrl(param);
+      return param;
     },
   },
 
@@ -117,7 +120,7 @@ module.exports = Vue.component('environment-component', {
     <div :class="cssContainerClass">
       <div class="top-area">
         <ul v-if="!isLoading" class="nav-links">
-          <li v-bind:class="{ 'active': scope === undefined }">
+          <li v-bind:class="{ 'active': scope === null || scope === 'available' }">
             <a :href="projectEnvironmentsPath">
               Available
               <span class="badge js-available-environments-count">
@@ -168,30 +171,20 @@ module.exports = Vue.component('environment-component', {
 
         <div class="table-holder"
           v-if="!isLoading && state.environments.length > 0">
-          <table class="table ci-table environments">
-            <thead>
-              <tr>
-                <th class="environments-name">Environment</th>
-                <th class="environments-deploy">Last deployment</th>
-                <th class="environments-build">Job</th>
-                <th class="environments-commit">Commit</th>
-                <th class="environments-date">Updated</th>
-                <th class="hidden-xs environments-actions"></th>
-              </tr>
-            </thead>
-            <tbody>
-              <template v-for="model in state.environments"
-                v-bind:model="model">
-                <tr is="environment-item"
-                  :model="model"
+
+          <environment-table
+            :environments="state.environments"
             :can-create-deployment="canCreateDeploymentParsed"
             :can-read-environment="canReadEnvironmentParsed"
             :play-icon-svg="playIconSvg"
             :terminal-icon-svg="terminalIconSvg"
-                  :commit-icon-svg="commitIconSvg"></tr>
-              </template>
-            </tbody>
-          </table>
+            :commit-icon-svg="commitIconSvg">
+          </environment-table>
+
+          <table-pagination v-if="state.paginationInformation && state.paginationInformation.totalPages > 1"
+            :change="changePage"
+            :pageInfo="state.paginationInformation">
+          </table-pagination>
         </div>
       </div>
     </div>

app/assets/javascripts/environments/components/environments_table.js.es6

+/**
+ * Render environments table.
+ */
+const Vue = require('vue');
+const EnvironmentItem = require('./environment_item');
+
+module.exports = Vue.component('environment-table-component', {
+
+  components: {
+    'environment-item': EnvironmentItem,
+  },
+
+  props: {
+    environments: {
+      type: Array,
+      required: true,
+      default: () => ([]),
+    },
+
+    canReadEnvironment: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
+
+    canCreateDeployment: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
+
+    commitIconSvg: {
+      type: String,
+      required: false,
+    },
+
+    playIconSvg: {
+      type: String,
+      required: false,
+    },
+
+    terminalIconSvg: {
+      type: String,
+      required: false,
+    },
+  },
+
+  template: `
+    <table class="table ci-table environments">
+      <thead>
+        <tr>
+          <th class="environments-name">Environment</th>
+          <th class="environments-deploy">Last deployment</th>
+          <th class="environments-build">Job</th>
+          <th class="environments-commit">Commit</th>
+          <th class="environments-date">Updated</th>
+          <th class="hidden-xs environments-actions"></th>
+        </tr>
+      </thead>
+      <tbody>
+        <template v-for="model in environments"
+          v-bind:model="model">
+          <tr is="environment-item"
+            :model="model"
+            :can-create-deployment="canCreateDeployment"
+            :can-read-environment="canReadEnvironment"
+            :play-icon-svg="playIconSvg"
+            :terminal-icon-svg="terminalIconSvg"
+            :commit-icon-svg="commitIconSvg"></tr>
+        </template>
+      </tbody>
+    </table>
+  `,
+});

app/assets/javascripts/environments/folder/environments_folder_bundle.js.es6

+const EnvironmentsFolderComponent = require('./environments_folder_view');
+require('../../vue_shared/vue_resource_interceptor');
+
+$(() => {
+  window.gl = window.gl || {};
+
+  if (gl.EnvironmentsListFolderApp) {
+    gl.EnvironmentsListFolderApp.$destroy(true);
+  }
+
+  gl.EnvironmentsListFolderApp = new EnvironmentsFolderComponent({
+    el: document.querySelector('#environments-folder-list-view'),
+  });
+});

app/assets/javascripts/environments/folder/environments_folder_view.js.es6

+/* eslint-disable no-param-reassign, no-new */
+/* global Flash */
+
+const Vue = require('vue');
+Vue.use(require('vue-resource'));
+const EnvironmentsService = require('../services/environments_service');
+const EnvironmentTable = require('../components/environments_table');
+const EnvironmentsStore = require('../stores/environments_store');
+require('../../vue_shared/components/table_pagination');
+require('../../lib/utils/common_utils');
+
+module.exports = Vue.component('environment-folder-view', {
+
+  components: {
+    'environment-table': EnvironmentTable,
+    'table-pagination': gl.VueGlPagination,
+  },
+
+  data() {
+    const environmentsData = document.querySelector('#environments-folder-list-view').dataset;
+    const store = new EnvironmentsStore();
+    const pathname = window.location.pathname;
+    const endpoint = `${pathname}.json`;
+    const folderName = pathname.substr(pathname.lastIndexOf('/') + 1);
+
+    return {
+      store,
+      folderName,
+      endpoint,
+      state: store.state,
+      visibility: 'available',
+      isLoading: false,
+      cssContainerClass: environmentsData.cssClass,
+      canCreateDeployment: environmentsData.canCreateDeployment,
+      canReadEnvironment: environmentsData.canReadEnvironment,
+
+      // svgs
+      commitIconSvg: environmentsData.commitIconSvg,
+      playIconSvg: environmentsData.playIconSvg,
+      terminalIconSvg: environmentsData.terminalIconSvg,
+
+      // Pagination Properties,
+      paginationInformation: {},
+      pageNumber: 1,
+    };
+  },
+
+  computed: {
+    scope() {
+      return gl.utils.getParameterByName('scope');
+    },
+
+    canReadEnvironmentParsed() {
+      return gl.utils.convertPermissionToBoolean(this.canReadEnvironment);
+    },
+
+    canCreateDeploymentParsed() {
+      return gl.utils.convertPermissionToBoolean(this.canCreateDeployment);
+    },
+
+    /**
+     * URL to link in the stopped tab.
+     *
+     * @return {String}
+     */
+    stoppedPath() {
+      return `${window.location.pathname}?scope=stopped`;
+    },
+
+    /**
+     * URL to link in the available tab.
+     *
+     * @return {String}
+     */
+    availablePath() {
+      return window.location.pathname;
+    },
+  },
+
+  /**
+   * Fetches all the environments and stores them.
+   * Toggles loading property.
+   */
+  created() {
+    const scope = gl.utils.getParameterByName('scope') || this.visibility;
+    const pageNumber = gl.utils.getParameterByName('page') || this.pageNumber;
+
+    const endpoint = `${this.endpoint}?scope=${scope}&page=${pageNumber}`;
+
+    const service = new EnvironmentsService(endpoint);
+
+    this.isLoading = true;
+
+    return service.all()
+      .then(resp => ({
+        headers: resp.headers,
+        body: resp.json(),
+      }))
+      .then((response) => {
+        this.store.storeAvailableCount(response.body.available_count);
+        this.store.storeStoppedCount(response.body.stopped_count);
+        this.store.storeEnvironments(response.body.environments);
+        this.store.setPagination(response.headers);
+      })
+      .then(() => {
+        this.isLoading = false;
+      })
+      .catch(() => {
+        this.isLoading = false;
+        new Flash('An error occurred while fetching the environments.', 'alert');
+      });
+  },
+
+  methods: {
+    /**
+     * Will change the page number and update the URL.
+     *
+     * @param  {Number} pageNumber desired page to go to.
+     */
+    changePage(pageNumber) {
+      const param = gl.utils.setParamInURL('page', pageNumber);
+
+      gl.utils.visitUrl(param);
+      return param;
+    },
+  },
+
+  template: `
+    <div :class="cssContainerClass">
+      <div class="top-area" v-if="!isLoading">
+
+        <h4 class="js-folder-name environments-folder-name">
+          Environments / <b>{{folderName}}</b>
+        </h4>
+
+        <ul class="nav-links">
+          <li v-bind:class="{ 'active': scope === null || scope === 'available' }">
+            <a :href="availablePath" class="js-available-environments-folder-tab">
+              Available
+              <span class="badge js-available-environments-count">
+                {{state.availableCounter}}
+              </span>
+            </a>
+          </li>
+          <li v-bind:class="{ 'active' : scope === 'stopped' }">
+            <a :href="stoppedPath" class="js-stopped-environments-folder-tab">
+              Stopped
+              <span class="badge js-stopped-environments-count">
+                {{state.stoppedCounter}}
+              </span>
+            </a>
+          </li>
+        </ul>
+      </div>
+
+      <div class="environments-container">
+        <div class="environments-list-loading text-center" v-if="isLoading">
+          <i class="fa fa-spinner fa-spin"></i>
+        </div>
+
+        <div class="table-holder"
+          v-if="!isLoading && state.environments.length > 0">
+
+          <environment-table
+            :environments="state.environments"
+            :can-create-deployment="canCreateDeploymentParsed"
+            :can-read-environment="canReadEnvironmentParsed"
+            :play-icon-svg="playIconSvg"
+            :terminal-icon-svg="terminalIconSvg"
+            :commit-icon-svg="commitIconSvg">
+          </environment-table>
+
+          <table-pagination v-if="state.paginationInformation && state.paginationInformation.totalPages > 1"
+            :change="changePage"
+            :pageInfo="state.paginationInformation">
+          </table-pagination>
+        </div>
+      </div>
+    </div>
+  `,
+});

app/assets/javascripts/environments/stores/environments_store.js.es6

+require('~/lib/utils/common_utils');
 /**
  * Environments Store.
  *
@@ -10,6 +11,7 @@ class EnvironmentsStore {
     this.state.environments = [];
     this.state.stoppedCounter = 0;
     this.state.availableCounter = 0;
+    this.state.paginationInformation = {};
 
     return this;
   }
@@ -18,8 +20,12 @@ class EnvironmentsStore {
    *
    * Stores the received environments.
    *
-   * Each environment has the following schema
+   * In the main environments endpoint, each environment has the following schema
    * { name: String, size: Number, latest: Object }
+   * In the endpoint to retrieve environments from each folder, the environment does
+   * not have the `latest` key and the data is all in the root level.
+   * To avoid doing this check in the view, we store both cases the same by extracting
+   * what is inside the `latest` key.
    *
    * If the `size` is bigger than 1, it means it should be rendered as a folder.
    * In those cases we add `isFolder` key in order to render it properly.
@@ -29,11 +35,20 @@ class EnvironmentsStore {
    */
   storeEnvironments(environments = []) {
     const filteredEnvironments = environments.map((env) => {
+      let filtered = {};
+
       if (env.size > 1) {
-        return Object.assign({}, env, { isFolder: true });
+        filtered = Object.assign({}, env, { isFolder: true, folderName: env.name });
+      }
+
+      if (env.latest) {
+        filtered = Object.assign(filtered, env, env.latest);
+        delete filtered.latest;
+      } else {
+        filtered = Object.assign(filtered, env);
       }
 
-      return env;
+      return filtered;
     });
 
     this.state.environments = filteredEnvironments;
@@ -41,6 +56,14 @@ class EnvironmentsStore {
     return filteredEnvironments;
   }
 
+  setPagination(pagination = {}) {
+    const normalizedHeaders = gl.utils.normalizeHeaders(pagination);
+    const paginationInformation = gl.utils.parseIntPagination(normalizedHeaders);
+
+    this.state.paginationInformation = paginationInformation;
+    return paginationInformation;
+  }
+
   /**
    * Stores the number of available environments.
    *

app/assets/javascripts/lib/utils/common_utils.js.es6

@@ -231,6 +231,21 @@
       return upperCaseHeaders;
     };
 
+    /**
+     * Parses pagination object string values into numbers.
+     *
+     * @param {Object} paginationInformation
+     * @returns {Object}
+     */
+    w.gl.utils.parseIntPagination = paginationInformation => ({
+      perPage: parseInt(paginationInformation['X-PER-PAGE'], 10),
+      page: parseInt(paginationInformation['X-PAGE'], 10),
+      total: parseInt(paginationInformation['X-TOTAL'], 10),
+      totalPages: parseInt(paginationInformation['X-TOTAL-PAGES'], 10),
+      nextPage: parseInt(paginationInformation['X-NEXT-PAGE'], 10),
+      previousPage: parseInt(paginationInformation['X-PREV-PAGE'], 10),
+    });
+
     /**
      * Transforms a DOMStringMap into a plain object.
      *
@@ -241,5 +256,45 @@
       acc[element] = DOMStringMapObject[element];
       return acc;
     }, {});
+
+    /**
+     * Updates the search parameter of a URL given the parameter and values provided.
+     *
+     * If no search params are present we'll add it.
+     * If param for page is already present, we'll update it
+     * If there are params but not for the given one, we'll add it at the end.
+     * Returns the new search parameters.
+     *
+     * @param {String} param
+     * @param {Number|String|Undefined|Null} value
+     * @return {String}
+     */
+    w.gl.utils.setParamInURL = (param, value) => {
+      let search;
+      const locationSearch = window.location.search;
+
+      if (locationSearch.length === 0) {
+        search = `?${param}=${value}`;
+      }
+
+      if (locationSearch.indexOf(param) !== -1) {
+        const regex = new RegExp(param + '=\\d');
+        search = locationSearch.replace(regex, `${param}=${value}`);
+      }
+
+      if (locationSearch.length && locationSearch.indexOf(param) === -1) {
+        search = `${locationSearch}&${param}=${value}`;
+      }
+
+      return search;
+    };
+
+    /**
+     * Converts permission provided as strings to booleans.
+     *
+     * @param  {String} string
+     * @returns {Boolean}
+     */
+    w.gl.utils.convertPermissionToBoolean = permission => permission === 'true';
   })(window);
 }).call(this);

app/assets/javascripts/vue_pipelines_index/pipelines.js.es6

@@ -35,7 +35,16 @@ require('../vue_shared/components/pipelines_table');
       this.store.fetchDataLoop.call(this, Vue, this.pagenum, this.scope, this.apiScope);
     },
     methods: {
-      change(pagenum, apiScope) {
+
+      /**
+       * Changes the URL according to the pagination component.
+       *
+       * If no scope is provided, 'all' is assumed.
+       *
+       * @param  {Number} pagenum
+       * @param  {String} apiScope = 'all'
+       */
+      change(pagenum, apiScope = 'all') {
         gl.utils.visitUrl(`?scope=${apiScope}&p=${pagenum}`);
       },
     },

app/assets/javascripts/vue_pipelines_index/store.js.es6

@@ -5,16 +5,7 @@ require('../vue_realtime_listener');
 ((gl) => {
   const pageValues = (headers) => {
     const normalized = gl.utils.normalizeHeaders(headers);
-
-    const paginationInfo = {
-      perPage: +normalized['X-PER-PAGE'],
-      page: +normalized['X-PAGE'],
-      total: +normalized['X-TOTAL'],
-      totalPages: +normalized['X-TOTAL-PAGES'],
-      nextPage: +normalized['X-NEXT-PAGE'],
-      previousPage: +normalized['X-PREV-PAGE'],
-    };
-
+    const paginationInfo = gl.utils.normalizeHeaders(normalized);
     return paginationInfo;
   };
 

app/assets/javascripts/vue_shared/components/table_pagination.js.es6

@@ -57,9 +57,7 @@ window.Vue = require('vue');
     },
     methods: {
       changePage(e) {
-        let apiScope = gl.utils.getParameterByName('scope');
-
-        if (!apiScope) apiScope = 'all';
+        const apiScope = gl.utils.getParameterByName('scope');
 
         const text = e.target.innerText;
         const { totalPages, nextPage, previousPage } = this.pageInfo;

app/assets/stylesheets/pages/environments.scss

@@ -10,6 +10,11 @@
   font-size: 34px;
 }
 
+.environments-folder-name {
+  font-weight: normal;
+  padding-top: 20px;
+}
+
 @media (max-width: $screen-xs-max) {
   .environments-container {
     width: 100%;
@@ -113,6 +118,7 @@
   .folder-icon {
     margin-right: 3px;
     color: $gl-text-color-secondary;
+    display: inline-block;
 
     .fa:nth-child(1) {
       margin-right: 3px;
@@ -122,6 +128,7 @@
   .folder-name {
     cursor: pointer;
     color: $gl-text-color-secondary;
+    display: inline-block;
   }
 }
 

app/views/projects/environments/folder.html.haml

+- @no_container = true
+- page_title "Environments"
+= render "projects/pipelines/head"
+
+- content_for :page_specific_javascripts do
+  = page_specific_javascript_bundle_tag("environments_folder")
+
+#environments-folder-list-view{ data: { "can-create-deployment" => can?(current_user, :create_deployment, @project).to_s,
+  "can-read-environment" => can?(current_user, :read_environment, @project).to_s,
+  "css-class" => container_class,
+  "commit-icon-svg" => custom_icon("icon_commit"),
+  "terminal-icon-svg" => custom_icon("icon_terminal"),
+  "play-icon-svg" => custom_icon("icon_play") } }

changelogs/unreleased/fe-paginated-environments-api-add-subview.yml

+---
+title: Adds paginationd and folders view to environments table
+merge_request:
+author:

config/webpack.config.js

@@ -22,6 +22,7 @@ var config = {
     commit_pipelines:     './commit/pipelines/pipelines_bundle.js',
     diff_notes:           './diff_notes/diff_notes_bundle.js',
     environments:         './environments/environments_bundle.js',
+    environments_folder:  './environments/folder/environments_folder_bundle.js',
     filtered_search:      './filtered_search/filtered_search_bundle.js',
     graphs:               './graphs/graphs_bundle.js',
     issuable:             './issuable/issuable_bundle.js',

spec/javascripts/environments/environment_item_spec.js.es6

@@ -14,11 +14,10 @@ describe('Environment item', () => {
     beforeEach(() => {
       mockItem = {
         name: 'review',
+        folderName: 'review',
         size: 3,
         isFolder: true,
-        latest: {
         environment_path: 'url',
-        },
       };
 
       component = new EnvironmentItem({
@@ -49,7 +48,6 @@ describe('Environment item', () => {
       environment = {
         name: 'production',
         size: 1,
-        latest: {
         state: 'stopped',
         external_url: 'http://external.com',
         environment_type: null,
@@ -108,7 +106,6 @@ describe('Environment item', () => {
         environment_path: 'root/ci-folders/environments/31',
         created_at: '2016-11-07T11:11:16.525Z',
         updated_at: '2016-11-10T15:55:58.778Z',
-        },
       };
 
       component = new EnvironmentItem({
@@ -129,7 +126,7 @@ describe('Environment item', () => {
       it('should render deployment internal id', () => {
         expect(
           component.$el.querySelector('.deployment-column span').textContent,
-        ).toContain(environment.latest.last_deployment.iid);
+        ).toContain(environment.last_deployment.iid);
 
         expect(
           component.$el.querySelector('.deployment-column span').textContent,
@@ -139,7 +136,7 @@ describe('Environment item', () => {
       it('should render last deployment date', () => {
         const timeagoInstance = new timeago(); // eslint-disable-line
         const formatedDate = timeagoInstance.format(
-          environment.latest.last_deployment.deployable.created_at,
+          environment.last_deployment.deployable.created_at,
         );
 
         expect(
@@ -151,7 +148,7 @@ describe('Environment item', () => {
         it('should render user avatar with link to profile', () => {
           expect(
             component.$el.querySelector('.js-deploy-user-container').getAttribute('href'),
-          ).toEqual(environment.latest.last_deployment.user.web_url);
+          ).toEqual(environment.last_deployment.user.web_url);
         });
       });
 
@@ -159,13 +156,13 @@ describe('Environment item', () => {
         it('Should link to build url provided', () => {
           expect(
             component.$el.querySelector('.build-link').getAttribute('href'),
-          ).toEqual(environment.latest.last_deployment.deployable.build_path);
+          ).toEqual(environment.last_deployment.deployable.build_path);
         });
 
         it('Should render deployable name and id', () => {
           expect(
             component.$el.querySelector('.build-link').getAttribute('href'),
-          ).toEqual(environment.latest.last_deployment.deployable.build_path);
+          ).toEqual(environment.last_deployment.deployable.build_path);
         });
       });
 

spec/javascripts/environments/environment_spec.js.es6

@@ -49,7 +49,7 @@ describe('Environment', () => {
       });
     });
 
-    describe('with environments', () => {
+    describe('with paginated environments', () => {
       const environmentsResponseInterceptor = (request, next) => {
         next(request.respondWith(JSON.stringify({
           environments: [environment],
@@ -57,11 +57,22 @@ describe('Environment', () => {
           available_count: 0,
         }), {
           status: 200,
+          headers: {
+            'X-nExt-pAge': '2',
+            'x-page': '1',
+            'X-Per-Page': '1',
+            'X-Prev-Page': '',
+            'X-TOTAL': '37',
+            'X-Total-Pages': '2',
+          },
         }));
       };
 
       beforeEach(() => {
         Vue.http.interceptors.push(environmentsResponseInterceptor);
+        component = new EnvironmentsComponent({
+          el: document.querySelector('#environments-list-view'),
+        });
       });
 
       afterEach(() => {
@@ -71,10 +82,6 @@ describe('Environment', () => {
       });
 
       it('should render a table with environments', (done) => {
-        component = new EnvironmentsComponent({
-          el: document.querySelector('#environments-list-view'),
-        });
-
         setTimeout(() => {
           expect(
             component.$el.querySelectorAll('table tbody tr').length,
@@ -82,6 +89,59 @@ describe('Environment', () => {
           done();
         }, 0);
       });
+
+      describe('pagination', () => {
+        it('should render pagination', (done) => {
+          setTimeout(() => {
+            expect(
+              component.$el.querySelectorAll('.gl-pagination li').length,
+            ).toEqual(5);
+            done();
+          }, 0);
+        });
+
+        it('should update url when no search params are present', (done) => {
+          spyOn(gl.utils, 'visitUrl');
+          setTimeout(() => {
+            component.$el.querySelector('.gl-pagination li:nth-child(5) a').click();
+            expect(gl.utils.visitUrl).toHaveBeenCalledWith('?page=2');
+            done();
+          }, 0);
+        });
+
+        it('should update url when page is already present', (done) => {
+          spyOn(gl.utils, 'visitUrl');
+          window.history.pushState({}, null, '?page=1');
+
+          setTimeout(() => {
+            component.$el.querySelector('.gl-pagination li:nth-child(5) a').click();
+            expect(gl.utils.visitUrl).toHaveBeenCalledWith('?page=2');
+            done();
+          }, 0);
+        });
+
+        it('should update url when page and scope are already present', (done) => {
+          spyOn(gl.utils, 'visitUrl');
+          window.history.pushState({}, null, '?scope=all&page=1');
+
+          setTimeout(() => {
+            component.$el.querySelector('.gl-pagination li:nth-child(5) a').click();
+            expect(gl.utils.visitUrl).toHaveBeenCalledWith('?scope=all&page=2');
+            done();
+          }, 0);
+        });
+
+        it('should update url when page and scope are already present and page is first param', (done) => {
+          spyOn(gl.utils, 'visitUrl');
+          window.history.pushState({}, null, '?page=1&scope=all');
+
+          setTimeout(() => {
+            component.$el.querySelector('.gl-pagination li:nth-child(5) a').click();
+            expect(gl.utils.visitUrl).toHaveBeenCalledWith('?page=2&scope=all');
+            done();
+          }, 0);
+        });
+      });
     });
   });
 

spec/javascripts/environments/environment_table_spec.js.es6

+const EnvironmentTable = require('~/environments/components/environments_table');
+
+describe('Environment item', () => {
+  preloadFixtures('static/environments/element.html.raw');
+  beforeEach(() => {
+    loadFixtures('static/environments/element.html.raw');
+  });
+
+  it('Should render a table', () => {
+    const mockItem = {
+      name: 'review',
+      size: 3,
+      isFolder: true,
+      latest: {
+        environment_path: 'url',
+      },
+    };
+
+    const component = new EnvironmentTable({
+      el: document.querySelector('.test-dom-element'),
+      propsData: {
+        environments: [{ mockItem }],
+        canCreateDeployment: false,
+        canReadEnvironment: true,
+      },
+    });
+
+    expect(component.$el.tagName).toEqual('TABLE');
+  });
+});

spec/javascripts/environments/environments_store_spec.js.es6

 const Store = require('~/environments/stores/environments_store');
-const { environmentsList } = require('./mock_data');
+const { environmentsList, serverData } = require('./mock_data');
 
 (() => {
   describe('Store', () => {
@@ -10,24 +10,49 @@ const { environmentsList } = require('./mock_data');
     });
 
     it('should start with a blank state', () => {
-      expect(store.state.environments.length).toBe(0);
-      expect(store.state.stoppedCounter).toBe(0);
-      expect(store.state.availableCounter).toBe(0);
+      expect(store.state.environments.length).toEqual(0);
+      expect(store.state.stoppedCounter).toEqual(0);
+      expect(store.state.availableCounter).toEqual(0);
+      expect(store.state.paginationInformation).toEqual({});
     });
 
     it('should store environments', () => {
-      store.storeEnvironments(environmentsList);
-      expect(store.state.environments.length).toBe(environmentsList.length);
+      store.storeEnvironments(serverData);
+      expect(store.state.environments.length).toEqual(serverData.length);
+      expect(store.state.environments[0]).toEqual(environmentsList[0]);
     });
 
     it('should store available count', () => {
       store.storeAvailableCount(2);
-      expect(store.state.availableCounter).toBe(2);
+      expect(store.state.availableCounter).toEqual(2);
     });
 
     it('should store stopped count', () => {
       store.storeStoppedCount(2);
-      expect(store.state.stoppedCounter).toBe(2);
+      expect(store.state.stoppedCounter).toEqual(2);
+    });
+
+    it('should store pagination information', () => {
+      const pagination = {
+        'X-nExt-pAge': '2',
+        'X-page': '1',
+        'X-Per-Page': '1',
+        'X-Prev-Page': '2',
+        'X-TOTAL': '37',
+        'X-Total-Pages': '2',
+      };
+
+      const expectedResult = {
+        perPage: 1,
+        page: 1,
+        total: 37,
+        totalPages: 2,
+        nextPage: 2,
+        previousPage: 2,
+      };
+
+      store.setPagination(pagination);
+      expect(store.state.paginationInformation).toEqual(expectedResult);
     });
   });
 })();

spec/javascripts/environments/folder/environments_folder_view_spec.js.es6

+const Vue = require('vue');
+require('~/flash');
+const EnvironmentsFolderViewComponent = require('~/environments/folder/environments_folder_view');
+const { environmentsList } = require('../mock_data');
+
+describe('Environments Folder View', () => {
+  preloadFixtures('static/environments/environments_folder_view.html.raw');
+
+  beforeEach(() => {
+    loadFixtures('static/environments/environments_folder_view.html.raw');
+    window.history.pushState({}, null, 'environments/folders/build');
+  });
+
+  let component;
+
+  describe('successfull request', () => {
+    const environmentsResponseInterceptor = (request, next) => {
+      next(request.respondWith(JSON.stringify({
+        environments: environmentsList,
+        stopped_count: 1,
+        available_count: 0,
+      }), {
+        status: 200,
+        headers: {
+          'X-nExt-pAge': '2',
+          'x-page': '1',
+          'X-Per-Page': '1',
+          'X-Prev-Page': '',
+          'X-TOTAL': '37',
+          'X-Total-Pages': '2',
+        },
+      }));
+    };
+
+    beforeEach(() => {
+      Vue.http.interceptors.push(environmentsResponseInterceptor);
+      component = new EnvironmentsFolderViewComponent({
+        el: document.querySelector('#environments-folder-list-view'),
+      });
+    });
+
+    afterEach(() => {
+      Vue.http.interceptors = _.without(
+        Vue.http.interceptors, environmentsResponseInterceptor,
+      );
+    });
+
+    it('should render a table with environments', (done) => {
+      setTimeout(() => {
+        expect(
+          component.$el.querySelectorAll('table tbody tr').length,
+        ).toEqual(2);
+        done();
+      }, 0);
+    });
+
+    it('should render available tab with count', (done) => {
+      setTimeout(() => {
+        expect(
+          component.$el.querySelector('.js-available-environments-folder-tab').textContent,
+        ).toContain('Available');
+
+        expect(
+          component.$el.querySelector('.js-available-environments-folder-tab .js-available-environments-count').textContent,
+        ).toContain('0');
+        done();
+      }, 0);
+    });
+
+    it('should render stopped tab with count', (done) => {
+      setTimeout(() => {
+        expect(
+          component.$el.querySelector('.js-stopped-environments-folder-tab').textContent,
+        ).toContain('Stopped');
+
+        expect(
+          component.$el.querySelector('.js-stopped-environments-folder-tab .js-stopped-environments-count').textContent,
+        ).toContain('1');
+        done();
+      }, 0);
+    });
+
+    it('should render parent folder name', (done) => {
+      setTimeout(() => {
+        expect(
+          component.$el.querySelector('.js-folder-name').textContent,
+        ).toContain('Environments / build');
+        done();
+      }, 0);
+    });
+
+    describe('pagination', () => {
+      it('should render pagination', (done) => {
+        setTimeout(() => {
+          expect(
+            component.$el.querySelectorAll('.gl-pagination li').length,
+          ).toEqual(5);
+          done();
+        }, 0);
+      });
+
+      it('should update url when no search params are present', (done) => {
+        spyOn(gl.utils, 'visitUrl');
+        setTimeout(() => {
+          component.$el.querySelector('.gl-pagination li:nth-child(5) a').click();
+          expect(gl.utils.visitUrl).toHaveBeenCalledWith('?page=2');
+          done();
+        }, 0);
+      });
+
+      it('should update url when page is already present', (done) => {
+        spyOn(gl.utils, 'visitUrl');
+        window.history.pushState({}, null, '?page=1');
+
+        setTimeout(() => {
+          component.$el.querySelector('.gl-pagination li:nth-child(5) a').click();
+          expect(gl.utils.visitUrl).toHaveBeenCalledWith('?page=2');
+          done();
+        }, 0);
+      });
+
+      it('should update url when page and scope are already present', (done) => {
+        spyOn(gl.utils, 'visitUrl');
+        window.history.pushState({}, null, '?scope=all&page=1');
+
+        setTimeout(() => {
+          component.$el.querySelector('.gl-pagination li:nth-child(5) a').click();
+          expect(gl.utils.visitUrl).toHaveBeenCalledWith('?scope=all&page=2');
+          done();
+        }, 0);
+      });
+
+      it('should update url when page and scope are already present and page is first param', (done) => {
+        spyOn(gl.utils, 'visitUrl');
+        window.history.pushState({}, null, '?page=1&scope=all');
+
+        setTimeout(() => {
+          component.$el.querySelector('.gl-pagination li:nth-child(5) a').click();
+          expect(gl.utils.visitUrl).toHaveBeenCalledWith('?page=2&scope=all');
+          done();
+        }, 0);
+      });
+    });
+  });
+
+  describe('unsuccessfull request', () => {
+    const environmentsErrorResponseInterceptor = (request, next) => {
+      next(request.respondWith(JSON.stringify([]), {
+        status: 500,
+      }));
+    };
+
+    beforeEach(() => {
+      Vue.http.interceptors.push(environmentsErrorResponseInterceptor);
+    });
+
+    afterEach(() => {
+      Vue.http.interceptors = _.without(
+        Vue.http.interceptors, environmentsErrorResponseInterceptor,
+      );
+    });
+
+    it('should not render a table', (done) => {
+      component = new EnvironmentsFolderViewComponent({
+        el: document.querySelector('#environments-folder-list-view'),
+      });
+
+      setTimeout(() => {
+        expect(
+          component.$el.querySelector('table'),
+        ).toBe(null);
+        done();
+      }, 0);
+    });
+
+    it('should render available tab with count 0', (done) => {
+      setTimeout(() => {
+        expect(
+          component.$el.querySelector('.js-available-environments-folder-tab').textContent,
+        ).toContain('Available');
+
+        expect(
+          component.$el.querySelector('.js-available-environments-folder-tab .js-available-environments-count').textContent,
+        ).toContain('0');
+        done();
+      }, 0);
+    });
+
+    it('should render stopped tab with count 0', (done) => {
+      setTimeout(() => {
+        expect(
+          component.$el.querySelector('.js-stopped-environments-folder-tab').textContent,
+        ).toContain('Stopped');
+
+        expect(
+          component.$el.querySelector('.js-stopped-environments-folder-tab .js-stopped-environments-count').textContent,
+        ).toContain('0');
+        done();
+      }, 0);
+    });
+  });
+});

spec/javascripts/environments/mock_data.js.es6

 const environmentsList = [
+  {
+    name: 'DEV',
+    size: 1,
+    id: 7,
+    state: 'available',
+    external_url: null,
+    environment_type: null,
+    last_deployment: null,
+    'stop_action?': false,
+    environment_path: '/root/review-app/environments/7',
+    stop_path: '/root/review-app/environments/7/stop',
+    created_at: '2017-01-31T10:53:46.894Z',
+    updated_at: '2017-01-31T10:53:46.894Z',
+  },
+  {
+    folderName: 'build',
+    size: 5,
+    id: 12,
+    name: 'build/update-README',
+    state: 'available',
+    external_url: null,
+    environment_type: 'build',
+    last_deployment: null,
+    'stop_action?': false,
+    environment_path: '/root/review-app/environments/12',
+    stop_path: '/root/review-app/environments/12/stop',
+    created_at: '2017-02-01T19:42:18.400Z',
+    updated_at: '2017-02-01T19:42:18.400Z',
+  },
+];
+
+const serverData = [
   {
     name: 'DEV',
     size: 1,
@@ -56,4 +88,5 @@ const environment = {
 module.exports = {
   environmentsList,
   environment,
+  serverData,
 };

spec/javascripts/fixtures/environments/environments_folder_view.html.haml

+%div
+  #environments-folder-list-view{ data: { "can-create-deployment" => "true",
+    "can-read-environment" => "true",
+    "css-class" => "",
+    "commit-icon-svg" => custom_icon("icon_commit"),
+    "terminal-icon-svg" => custom_icon("icon_terminal"),
+    "play-icon-svg" => custom_icon("icon_play") } }

spec/javascripts/lib/utils/common_utils_spec.js.es6

@@ -108,6 +108,30 @@ require('~/lib/utils/common_utils');
       });
     });
 
+    describe('gl.utils.parseIntPagination', () => {
+      it('should parse to integers all string values and return pagination object', () => {
+        const pagination = {
+          'X-PER-PAGE': 10,
+          'X-PAGE': 2,
+          'X-TOTAL': 30,
+          'X-TOTAL-PAGES': 3,
+          'X-NEXT-PAGE': 3,
+          'X-PREV-PAGE': 1,
+        };
+
+        const expectedPagination = {
+          perPage: 10,
+          page: 2,
+          total: 30,
+          totalPages: 3,
+          nextPage: 3,
+          previousPage: 1,
+        };
+
+        expect(gl.utils.parseIntPagination(pagination)).toEqual(expectedPagination);
+      });
+    });
+
     describe('gl.utils.isMetaClick', () => {
       it('should identify meta click on Windows/Linux', () => {
         const e = {

spec/javascripts/vue_shared/components/table_pagination_spec.js.es6

@@ -34,7 +34,7 @@ describe('Pagination component', () => {
     component.changePage({ target: { innerText: '1' } });
 
     expect(changeChanges.one).toEqual(1);
-    expect(changeChanges.two).toEqual('all');
+    expect(changeChanges.two).toEqual(null);
   });
 
   it('should go to the previous page', () => {
@@ -55,7 +55,7 @@ describe('Pagination component', () => {
     component.changePage({ target: { innerText: 'Prev' } });
 
     expect(changeChanges.one).toEqual(1);
-    expect(changeChanges.two).toEqual('all');
+    expect(changeChanges.two).toEqual(null);
   });
 
   it('should go to the next page', () => {
@@ -76,7 +76,7 @@ describe('Pagination component', () => {
     component.changePage({ target: { innerText: 'Next' } });
 
     expect(changeChanges.one).toEqual(5);
-    expect(changeChanges.two).toEqual('all');
+    expect(changeChanges.two).toEqual(null);
   });
 
   it('should go to the last page', () => {
@@ -97,7 +97,7 @@ describe('Pagination component', () => {
     component.changePage({ target: { innerText: 'Last >>' } });
 
     expect(changeChanges.one).toEqual(10);
-    expect(changeChanges.two).toEqual('all');
+    expect(changeChanges.two).toEqual(null);
   });
 
   it('should go to the first page', () => {
@@ -118,7 +118,7 @@ describe('Pagination component', () => {
     component.changePage({ target: { innerText: '<< First' } });
 
     expect(changeChanges.one).toEqual(1);
-    expect(changeChanges.two).toEqual('all');
+    expect(changeChanges.two).toEqual(null);
   });
 
   it('should do nothing', () => {
@@ -139,7 +139,7 @@ describe('Pagination component', () => {
     component.changePage({ target: { innerText: '...' } });
 
     expect(changeChanges.one).toEqual(1);
-    expect(changeChanges.two).toEqual('all');
+    expect(changeChanges.two).toEqual(null);
   });
 });