fixed rollback on privacy update fail

coverage privacy.spec.js

webapp/pages/settings/privacy.spec.js

@@ -12,11 +12,21 @@ describe('privacy.vue', () => {
   beforeEach(() => {
     mocks = {
       $t: jest.fn(),
+      $apollo: {
+        mutate: jest.fn()
+      },
+      $toast: {
+        success: jest.fn(),
+        error: jest.fn(),
+      },
     }
     store = new Vuex.Store({
       getters: {
         'auth/user': () => {
-          return { id: 'u343', name: 'Delete MyAccount', showShoutsPublicly: true }
+          return {
+            id: 'u343',
+            name: 'MyAccount',
+            showShoutsPublicly: true }
         },
       },
     })
@@ -38,5 +48,22 @@ describe('privacy.vue', () => {
     it('renders', () => {
       expect(wrapper.is('.base-card')).toBe(true)
     })
+
+    it('clicking on submit changes shoutsAllowed to false', async () => {
+      wrapper.find('#allow-shouts').trigger('click')
+      await wrapper.vm.$nextTick()
+      wrapper.find('.base-button').trigger('click')
+      expect(wrapper.vm.shoutsAllowed).toBe(false)
+    })
+
+    it('clicking on submit with a server error shows a toast and shoutsAllowed is still true', async () => {
+      mocks.$apollo.mutate = jest.fn().mockRejectedValue({ message: 'Ouch!' })
+      wrapper.find('#allow-shouts').trigger('click')
+      await wrapper.vm.$nextTick()
+      await wrapper.find('.base-button').trigger('click')
+      await wrapper.vm.$nextTick()
+      expect(mocks.$toast.error).toHaveBeenCalledWith('Ouch!')
+      expect(wrapper.vm.shoutsAllowed).toBe(true)
+    })
   })
 })

webapp/pages/settings/privacy.vue

@@ -52,6 +52,7 @@ export default {
           },
         })
       } catch (error) {
+        this.shoutsAllowed = !this.shoutsAllowed
         this.$toast.error(error.message)
       }
     },