Merge branch 'fe-paginated-environments-api' into 'paginate-environments-bundle' paginate-environments-bundle

Integrate with new environments API

See merge request !8954

16 files changed, 549 insertions, 266 deletions

diff --git a/spec/controllers/projects/environments_controller_spec.rb b/spec/controllers/projects/environments_controller_spec.rb
index 7ac1d62d1b1..84d119f1867 100644
--- a/spec/controllers/projects/environments_controller_spec.rb
+++ b/spec/controllers/projects/environments_controller_spec.rb
@@ -3,9 +3,12 @@ require 'spec_helper'
 describe Projects::EnvironmentsController do
   include ApiHelpers
 
-  let(:environment) { create(:environment) }
-  let(:project)     { environment.project }
-  let(:user)        { create(:user) }
+  let(:user) { create(:user) }
+  let(:project) { create(:empty_project) }
+
+  let(:environment) do
+    create(:environment, name: 'production', project: project)
+  end
 
   before do
     project.team << [user, :master]
@@ -22,14 +25,58 @@ describe Projects::EnvironmentsController do
       end
     end
 
-    context 'when requesting JSON response' do
-      it 'responds with correct JSON' do
-        get :index, environment_params(format: :json)
+    context 'when requesting JSON response for folders' do
+      before do
+        create(:environment, project: project,
+                             name: 'staging/review-1',
+                             state: :available)
+
+        create(:environment, project: project,
+                             name: 'staging/review-2',
+                             state: :available)
+
+        create(:environment, project: project,
+                             name: 'staging/review-3',
+                             state: :stopped)
+      end
+
+      let(:environments) { json_response['environments'] }
+
+      context 'when requesting available environments scope' do
+        before do
+          get :index, environment_params(format: :json, scope: :available)
+        end
+
+        it 'responds with a payload describing available environments' do
+          expect(environments.count).to eq 2
+          expect(environments.first['name']).to eq 'production'
+          expect(environments.second['name']).to eq 'staging'
+          expect(environments.second['size']).to eq 2
+          expect(environments.second['latest']['name']).to eq 'staging/review-2'
+        end
 
-        first_environment = json_response.first
+        it 'contains values describing environment scopes sizes' do
+          expect(json_response['available_count']).to eq 3
+          expect(json_response['stopped_count']).to eq 1
+        end
+      end
 
-        expect(first_environment).not_to be_empty
-        expect(first_environment['name']). to eq environment.name
+      context 'when requesting stopped environments scope' do
+        before do
+          get :index, environment_params(format: :json, scope: :stopped)
+        end
+
+        it 'responds with a payload describing stopped environments' do
+          expect(environments.count).to eq 1
+          expect(environments.first['name']).to eq 'staging'
+          expect(environments.first['size']).to eq 1
+          expect(environments.first['latest']['name']).to eq 'staging/review-3'
+        end
+
+        it 'contains values describing environment scopes sizes' do
+          expect(json_response['available_count']).to eq 3
+          expect(json_response['stopped_count']).to eq 1
+        end
       end
     end
   end
diff --git a/spec/features/projects/builds_spec.rb b/spec/features/projects/builds_spec.rb
index f1036b275f7..2116721b224 100644
--- a/spec/features/projects/builds_spec.rb
+++ b/spec/features/projects/builds_spec.rb
@@ -275,7 +275,7 @@ feature 'Builds', :feature do
         let!(:deployment) { create(:deployment, environment: environment, sha: project.commit.id) }
         let(:build) { create(:ci_build, :success, environment: environment.name, pipeline: pipeline) }
 
-        it 'shows a link to lastest deployment' do
+        it 'shows a link to latest deployment' do
           visit namespace_project_build_path(project.namespace, project, build)
 
           expect(page).to have_link('latest deployment')
diff --git a/spec/javascripts/environments/environment_actions_spec.js.es6 b/spec/javascripts/environments/environment_actions_spec.js.es6
index b1838045a06..850586f9f3a 100644
--- a/spec/javascripts/environments/environment_actions_spec.js.es6
+++ b/spec/javascripts/environments/environment_actions_spec.js.es6
@@ -1,4 +1,4 @@
-require('~/environments/components/environment_actions');
+const ActionsComponent = require('~/environments/components/environment_actions');
 
 describe('Actions Component', () => {
   preloadFixtures('static/environments/element.html.raw');
@@ -19,7 +19,7 @@ describe('Actions Component', () => {
       },
     ];
 
-    const component = new window.gl.environmentsList.ActionsComponent({
+    const component = new ActionsComponent({
       el: document.querySelector('.test-dom-element'),
       propsData: {
         actions: actionsMock,
@@ -47,7 +47,7 @@ describe('Actions Component', () => {
       },
     ];
 
-    const component = new window.gl.environmentsList.ActionsComponent({
+    const component = new ActionsComponent({
       el: document.querySelector('.test-dom-element'),
       propsData: {
         actions: actionsMock,
diff --git a/spec/javascripts/environments/environment_external_url_spec.js.es6 b/spec/javascripts/environments/environment_external_url_spec.js.es6
index a6a587e69f5..393dbb5aae0 100644
--- a/spec/javascripts/environments/environment_external_url_spec.js.es6
+++ b/spec/javascripts/environments/environment_external_url_spec.js.es6
@@ -1,4 +1,4 @@
-require('~/environments/components/environment_external_url');
+const ExternalUrlComponent = require('~/environments/components/environment_external_url');
 
 describe('External URL Component', () => {
   preloadFixtures('static/environments/element.html.raw');
@@ -8,7 +8,7 @@ describe('External URL Component', () => {
 
   it('should link to the provided externalUrl prop', () => {
     const externalURL = 'https://gitlab.com';
-    const component = new window.gl.environmentsList.ExternalUrlComponent({
+    const component = new ExternalUrlComponent({
       el: document.querySelector('.test-dom-element'),
       propsData: {
         externalUrl: externalURL,
diff --git a/spec/javascripts/environments/environment_item_spec.js.es6 b/spec/javascripts/environments/environment_item_spec.js.es6
index e6fb0d00290..7fea80ed799 100644
--- a/spec/javascripts/environments/environment_item_spec.js.es6
+++ b/spec/javascripts/environments/environment_item_spec.js.es6
@@ -1,5 +1,5 @@
 window.timeago = require('timeago.js');
-require('~/environments/components/environment_item');
+const EnvironmentItem = require('~/environments/components/environment_item');
 
 describe('Environment item', () => {
   preloadFixtures('static/environments/table.html.raw');
@@ -14,33 +14,16 @@ describe('Environment item', () => {
     beforeEach(() => {
       mockItem = {
         name: 'review',
-        children: [
-          {
-            name: 'review-app',
-            id: 1,
-            state: 'available',
-            external_url: '',
-            last_deployment: {},
-            created_at: '2016-11-07T11:11:16.525Z',
-            updated_at: '2016-11-10T15:55:58.778Z',
-          },
-          {
-            name: 'production',
-            id: 2,
-            state: 'available',
-            external_url: '',
-            last_deployment: {},
-            created_at: '2016-11-07T11:11:16.525Z',
-            updated_at: '2016-11-10T15:55:58.778Z',
-          },
-        ],
+        folderName: 'review',
+        size: 3,
+        isFolder: true,
+        environment_path: 'url',
       };
 
-      component = new window.gl.environmentsList.EnvironmentItem({
+      component = new EnvironmentItem({
         el: document.querySelector('tr#environment-row'),
         propsData: {
           model: mockItem,
-          toggleRow: () => {},
           canCreateDeployment: false,
           canReadEnvironment: true,
         },
@@ -53,7 +36,7 @@ describe('Environment item', () => {
     });
 
     it('Should render the number of children in a badge', () => {
-      expect(component.$el.querySelector('.folder-name .badge').textContent).toContain(mockItem.children.length);
+      expect(component.$el.querySelector('.folder-name .badge').textContent).toContain(mockItem.size);
     });
   });
 
@@ -63,8 +46,8 @@ describe('Environment item', () => {
 
     beforeEach(() => {
       environment = {
-        id: 31,
         name: 'production',
+        size: 1,
         state: 'stopped',
         external_url: 'http://external.com',
         environment_type: null,
@@ -125,11 +108,10 @@ describe('Environment item', () => {
         updated_at: '2016-11-10T15:55:58.778Z',
       };
 
-      component = new window.gl.environmentsList.EnvironmentItem({
+      component = new EnvironmentItem({
         el: document.querySelector('tr#environment-row'),
         propsData: {
           model: environment,
-          toggleRow: () => {},
           canCreateDeployment: true,
           canReadEnvironment: true,
         },
diff --git a/spec/javascripts/environments/environment_rollback_spec.js.es6 b/spec/javascripts/environments/environment_rollback_spec.js.es6
index 043b8708a6e..4a596baad09 100644
--- a/spec/javascripts/environments/environment_rollback_spec.js.es6
+++ b/spec/javascripts/environments/environment_rollback_spec.js.es6
@@ -1,4 +1,4 @@
-require('~/environments/components/environment_rollback');
+const RollbackComponent = require('~/environments/components/environment_rollback');
 
 describe('Rollback Component', () => {
   preloadFixtures('static/environments/element.html.raw');
@@ -10,7 +10,7 @@ describe('Rollback Component', () => {
   });
 
   it('Should link to the provided retryUrl', () => {
-    const component = new window.gl.environmentsList.RollbackComponent({
+    const component = new RollbackComponent({
       el: document.querySelector('.test-dom-element'),
       propsData: {
         retryUrl: retryURL,
@@ -22,7 +22,7 @@ describe('Rollback Component', () => {
   });
 
   it('Should render Re-deploy label when isLastDeployment is true', () => {
-    const component = new window.gl.environmentsList.RollbackComponent({
+    const component = new RollbackComponent({
       el: document.querySelector('.test-dom-element'),
       propsData: {
         retryUrl: retryURL,
@@ -34,7 +34,7 @@ describe('Rollback Component', () => {
   });
 
   it('Should render Rollback label when isLastDeployment is false', () => {
-    const component = new window.gl.environmentsList.RollbackComponent({
+    const component = new RollbackComponent({
       el: document.querySelector('.test-dom-element'),
       propsData: {
         retryUrl: retryURL,
diff --git a/spec/javascripts/environments/environment_spec.js.es6 b/spec/javascripts/environments/environment_spec.js.es6
index 87eda136122..edd0cad32d0 100644
--- a/spec/javascripts/environments/environment_spec.js.es6
+++ b/spec/javascripts/environments/environment_spec.js.es6
@@ -1,9 +1,7 @@
-/* global Vue, environment */
-
+const Vue = require('vue');
 require('~/flash');
-require('~/environments/stores/environments_store');
-require('~/environments/components/environment');
-require('./mock_data');
+const EnvironmentsComponent = require('~/environments/components/environment');
+const { environment } = require('./mock_data');
 
 describe('Environment', () => {
   preloadFixtures('static/environments/environments.html.raw');
@@ -33,11 +31,8 @@ describe('Environment', () => {
       });
 
       it('should render the empty state', (done) => {
-        component = new gl.environmentsList.EnvironmentsComponent({
+        component = new EnvironmentsComponent({
           el: document.querySelector('#environments-list-view'),
-          propsData: {
-            store: gl.environmentsList.EnvironmentsStore.create(),
-          },
         });
 
         setTimeout(() => {
@@ -54,15 +49,30 @@ describe('Environment', () => {
       });
     });
 
-    describe('with environments', () => {
+    describe('with paginated environments', () => {
       const environmentsResponseInterceptor = (request, next) => {
-        next(request.respondWith(JSON.stringify([environment]), {
+        next(request.respondWith(JSON.stringify({
+          environments: [environment],
+          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 EnvironmentsComponent({
+          el: document.querySelector('#environments-list-view'),
+        });
       });
 
       afterEach(() => {
@@ -72,13 +82,6 @@ describe('Environment', () => {
       });
 
       it('should render a table with environments', (done) => {
-        component = new gl.environmentsList.EnvironmentsComponent({
-          el: document.querySelector('#environments-list-view'),
-          propsData: {
-            store: gl.environmentsList.EnvironmentsStore.create(),
-          },
-        });
-
         setTimeout(() => {
           expect(
             component.$el.querySelectorAll('table tbody tr').length,
@@ -86,6 +89,59 @@ describe('Environment', () => {
           done();
         }, 0);
       });
+
+      describe('pagination', () => {
+        it('should render pagination', (done) => {
+          setTimeout(() => {
+            expect(
+              component.$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);
+        });
+      });
     });
   });
 
@@ -107,11 +163,8 @@ describe('Environment', () => {
     });
 
     it('should render empty state', (done) => {
-      component = new gl.environmentsList.EnvironmentsComponent({
+      component = new EnvironmentsComponent({
         el: document.querySelector('#environments-list-view'),
-        propsData: {
-          store: gl.environmentsList.EnvironmentsStore.create(),
-        },
       });
 
       setTimeout(() => {
diff --git a/spec/javascripts/environments/environment_stop_spec.js.es6 b/spec/javascripts/environments/environment_stop_spec.js.es6
index 2dfce5ba824..5ca65b1debc 100644
--- a/spec/javascripts/environments/environment_stop_spec.js.es6
+++ b/spec/javascripts/environments/environment_stop_spec.js.es6
@@ -1,4 +1,4 @@
-require('~/environments/components/environment_stop');
+const StopComponent = require('~/environments/components/environment_stop');
 
 describe('Stop Component', () => {
   preloadFixtures('static/environments/element.html.raw');
@@ -10,7 +10,7 @@ describe('Stop Component', () => {
     loadFixtures('static/environments/element.html.raw');
 
     stopURL = '/stop';
-    component = new window.gl.environmentsList.StopComponent({
+    component = new StopComponent({
       el: document.querySelector('.test-dom-element'),
       propsData: {
         stopUrl: stopURL,
diff --git a/spec/javascripts/environments/environment_table_spec.js.es6 b/spec/javascripts/environments/environment_table_spec.js.es6
new file mode 100644
index 00000000000..be4330b5012
--- /dev/null
+++ b/spec/javascripts/environments/environment_table_spec.js.es6
@@ -0,0 +1,30 @@
+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');
+  });
+});
diff --git a/spec/javascripts/environments/environments_store_spec.js.es6 b/spec/javascripts/environments/environments_store_spec.js.es6
index 9a8300d3832..77e182b3830 100644
--- a/spec/javascripts/environments/environments_store_spec.js.es6
+++ b/spec/javascripts/environments/environments_store_spec.js.es6
@@ -1,70 +1,58 @@
-/* global environmentsList */
-
-require('~/environments/stores/environments_store');
-require('./mock_data');
+const Store = require('~/environments/stores/environments_store');
+const { environmentsList, serverData } = require('./mock_data');
 
 (() => {
   describe('Store', () => {
+    let store;
+
     beforeEach(() => {
-      gl.environmentsList.EnvironmentsStore.create();
+      store = new Store();
     });
 
     it('should start with a blank state', () => {
-      expect(gl.environmentsList.EnvironmentsStore.state.environments.length).toBe(0);
-      expect(gl.environmentsList.EnvironmentsStore.state.stoppedCounter).toBe(0);
-      expect(gl.environmentsList.EnvironmentsStore.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({});
     });
 
-    describe('store environments', () => {
-      beforeEach(() => {
-        gl.environmentsList.EnvironmentsStore.storeEnvironments(environmentsList);
-      });
-
-      it('should count stopped environments and save the count in the state', () => {
-        expect(gl.environmentsList.EnvironmentsStore.state.stoppedCounter).toBe(1);
-      });
-
-      it('should count available environments and save the count in the state', () => {
-        expect(gl.environmentsList.EnvironmentsStore.state.availableCounter).toBe(3);
-      });
-
-      it('should store environments with same environment_type as sibilings', () => {
-        expect(gl.environmentsList.EnvironmentsStore.state.environments.length).toBe(3);
-
-        const parentFolder = gl.environmentsList.EnvironmentsStore.state.environments
-        .filter(env => env.children && env.children.length > 0);
-
-        expect(parentFolder[0].children.length).toBe(2);
-        expect(parentFolder[0].children[0].environment_type).toBe('review');
-        expect(parentFolder[0].children[1].environment_type).toBe('review');
-        expect(parentFolder[0].children[0].name).toBe('test-environment');
-        expect(parentFolder[0].children[1].name).toBe('test-environment-1');
-      });
-
-      it('should sort the environments alphabetically', () => {
-        const { environments } = gl.environmentsList.EnvironmentsStore.state;
-
-        expect(environments[0].name).toBe('production');
-        expect(environments[1].name).toBe('review');
-        expect(environments[1].children[0].name).toBe('test-environment');
-        expect(environments[1].children[1].name).toBe('test-environment-1');
-        expect(environments[2].name).toBe('review_app');
-      });
+    it('should store environments', () => {
+      store.storeEnvironments(serverData);
+      expect(store.state.environments.length).toEqual(serverData.length);
+      expect(store.state.environments[0]).toEqual(environmentsList[0]);
     });
 
-    describe('toggleFolder', () => {
-      beforeEach(() => {
-        gl.environmentsList.EnvironmentsStore.storeEnvironments(environmentsList);
-      });
-
-      it('should toggle the open property for the given environment', () => {
-        gl.environmentsList.EnvironmentsStore.toggleFolder('review');
+    it('should store available count', () => {
+      store.storeAvailableCount(2);
+      expect(store.state.availableCounter).toEqual(2);
+    });
 
-        const { environments } = gl.environmentsList.EnvironmentsStore.state;
-        const environment = environments.filter(env => env['vue-isChildren'] === true && env.name === 'review');
+    it('should store stopped count', () => {
+      store.storeStoppedCount(2);
+      expect(store.state.stoppedCounter).toEqual(2);
+    });
 
-        expect(environment[0].isOpen).toBe(true);
-      });
+    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);
     });
   });
 })();
diff --git a/spec/javascripts/environments/folder/environments_folder_view_spec.js.es6 b/spec/javascripts/environments/folder/environments_folder_view_spec.js.es6
new file mode 100644
index 00000000000..d1335b5b304
--- /dev/null
+++ b/spec/javascripts/environments/folder/environments_folder_view_spec.js.es6
@@ -0,0 +1,202 @@
+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);
+    });
+  });
+});
diff --git a/spec/javascripts/environments/mock_data.js.es6 b/spec/javascripts/environments/mock_data.js.es6
index 80e1cbc6f4d..5c395c6b2d8 100644
--- a/spec/javascripts/environments/mock_data.js.es6
+++ b/spec/javascripts/environments/mock_data.js.es6
@@ -1,153 +1,92 @@
-
 const environmentsList = [
   {
-    id: 31,
-    name: 'production',
+    name: 'DEV',
+    size: 1,
+    id: 7,
     state: 'available',
-    external_url: 'https://www.gitlab.com',
-    environment_type: null,
-    last_deployment: {
-      id: 64,
-      iid: 5,
-      sha: '500aabcb17c97bdcf2d0c410b70cb8556f0362dd',
-      ref: {
-        name: 'master',
-        ref_url: 'http://localhost:3000/root/ci-folders/tree/master',
-      },
-      tag: false,
-      'last?': true,
-      user: {
-        name: 'Administrator',
-        username: 'root',
-        id: 1,
-        state: 'active',
-        avatar_url: 'http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80\u0026d=identicon',
-        web_url: 'http://localhost:3000/root',
-      },
-      commit: {
-        id: '500aabcb17c97bdcf2d0c410b70cb8556f0362dd',
-        short_id: '500aabcb',
-        title: 'Update .gitlab-ci.yml',
-        author_name: 'Administrator',
-        author_email: 'admin@example.com',
-        created_at: '2016-11-07T18:28:13.000+00:00',
-        message: 'Update .gitlab-ci.yml',
-        author: {
-          name: 'Administrator',
-          username: 'root',
-          id: 1,
-          state: 'active',
-          avatar_url: 'http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80\u0026d=identicon',
-          web_url: 'http://localhost:3000/root',
-        },
-        commit_path: '/root/ci-folders/tree/500aabcb17c97bdcf2d0c410b70cb8556f0362dd',
-      },
-      deployable: {
-        id: 1278,
-        name: 'build',
-        build_path: '/root/ci-folders/builds/1278',
-        retry_path: '/root/ci-folders/builds/1278/retry',
-      },
-      manual_actions: [],
-    },
-    'stop_action?': true,
-    environment_path: '/root/ci-folders/environments/31',
-    created_at: '2016-11-07T11:11:16.525Z',
-    updated_at: '2016-11-07T11:11:16.525Z',
-  },
-  {
-    id: 32,
-    name: 'review_app',
-    state: 'stopped',
-    external_url: 'https://www.gitlab.com',
+    external_url: null,
     environment_type: null,
-    last_deployment: {
-      id: 64,
-      iid: 5,
-      sha: '500aabcb17c97bdcf2d0c410b70cb8556f0362dd',
-      ref: {
-        name: 'master',
-        ref_url: 'http://localhost:3000/root/ci-folders/tree/master',
-      },
-      tag: false,
-      'last?': true,
-      user: {
-        name: 'Administrator',
-        username: 'root',
-        id: 1,
-        state: 'active',
-        avatar_url: 'http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80\u0026d=identicon',
-        web_url: 'http://localhost:3000/root',
-      },
-      commit: {
-        id: '500aabcb17c97bdcf2d0c410b70cb8556f0362dd',
-        short_id: '500aabcb',
-        title: 'Update .gitlab-ci.yml',
-        author_name: 'Administrator',
-        author_email: 'admin@example.com',
-        created_at: '2016-11-07T18:28:13.000+00:00',
-        message: 'Update .gitlab-ci.yml',
-        author: {
-          name: 'Administrator',
-          username: 'root',
-          id: 1,
-          state: 'active',
-          avatar_url: 'http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80\u0026d=identicon',
-          web_url: 'http://localhost:3000/root',
-        },
-        commit_path: '/root/ci-folders/tree/500aabcb17c97bdcf2d0c410b70cb8556f0362dd',
-      },
-      deployable: {
-        id: 1278,
-        name: 'build',
-        build_path: '/root/ci-folders/builds/1278',
-        retry_path: '/root/ci-folders/builds/1278/retry',
-      },
-      manual_actions: [],
-    },
+    last_deployment: null,
     'stop_action?': false,
-    environment_path: '/root/ci-folders/environments/31',
-    created_at: '2016-11-07T11:11:16.525Z',
-    updated_at: '2016-11-07T11:11:16.525Z',
+    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',
   },
   {
-    id: 33,
-    name: 'test-environment',
+    folderName: 'build',
+    size: 5,
+    id: 12,
+    name: 'build/update-README',
     state: 'available',
-    environment_type: 'review',
+    external_url: null,
+    environment_type: 'build',
     last_deployment: null,
-    'stop_action?': true,
-    environment_path: '/root/ci-folders/environments/31',
-    created_at: '2016-11-07T11:11:16.525Z',
-    updated_at: '2016-11-07T11:11:16.525Z',
+    '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 = [
   {
-    id: 34,
-    name: 'test-environment-1',
-    state: 'available',
-    environment_type: 'review',
-    last_deployment: null,
-    'stop_action?': true,
-    environment_path: '/root/ci-folders/environments/31',
-    created_at: '2016-11-07T11:11:16.525Z',
-    updated_at: '2016-11-07T11:11:16.525Z',
+    name: 'DEV',
+    size: 1,
+    latest: {
+      id: 7,
+      name: 'DEV',
+      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',
+    },
+  },
+  {
+    name: 'build',
+    size: 5,
+    latest: {
+      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',
+    },
   },
 ];
 
-window.environmentsList = environmentsList;
-
 const environment = {
-  id: 4,
-  name: 'production',
-  state: 'available',
-  external_url: 'http://production.',
-  environment_type: null,
-  last_deployment: {},
-  'stop_action?': false,
-  environment_path: '/root/review-app/environments/4',
-  stop_path: '/root/review-app/environments/4/stop',
-  created_at: '2016-12-16T11:51:04.690Z',
-  updated_at: '2016-12-16T12:04:51.133Z',
+  name: 'DEV',
+  size: 1,
+  latest: {
+    id: 7,
+    name: 'DEV',
+    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',
+  },
 };
 
-window.environment = environment;
+module.exports = {
+  environmentsList,
+  environment,
+  serverData,
+};
diff --git a/spec/javascripts/fixtures/environments/environments_folder_view.html.haml b/spec/javascripts/fixtures/environments/environments_folder_view.html.haml
new file mode 100644
index 00000000000..aceec139730
--- /dev/null
+++ b/spec/javascripts/fixtures/environments/environments_folder_view.html.haml
@@ -0,0 +1,7 @@
+%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") } }
diff --git a/spec/javascripts/lib/utils/common_utils_spec.js.es6 b/spec/javascripts/lib/utils/common_utils_spec.js.es6
index 006ede21093..f4d3e77e515 100644
--- a/spec/javascripts/lib/utils/common_utils_spec.js.es6
+++ b/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 = {
diff --git a/spec/javascripts/vue_shared/components/table_pagination_spec.js.es6 b/spec/javascripts/vue_shared/components/table_pagination_spec.js.es6
index e84f0dcfe67..dd495cb43bc 100644
--- a/spec/javascripts/vue_shared/components/table_pagination_spec.js.es6
+++ b/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);
   });
 });
 
diff --git a/spec/serializers/environment_serializer_spec.rb b/spec/serializers/environment_serializer_spec.rb
index 1b95f1ff198..6a6df377b35 100644
--- a/spec/serializers/environment_serializer_spec.rb
+++ b/spec/serializers/environment_serializer_spec.rb
@@ -181,6 +181,17 @@ describe EnvironmentSerializer do
           expect(subject.first[:name]).to eq 'production'
           expect(subject.second[:name]).to eq 'staging'
         end
+
+        it 'appends correct total page count header' do
+          expect(subject).not_to be_empty
+          expect(response).to have_received(:[]=).with('X-Total', '3')
+        end
+
+        it 'appends correct page count headers' do
+          expect(subject).not_to be_empty
+          expect(response).to have_received(:[]=).with('X-Total-Pages', '2')
+          expect(response).to have_received(:[]=).with('X-Per-Page', '2')
+        end
       end
     end
   end