Remove notifications for deleted messages.

test/unit/specs/modules/statuses.spec.js

@@ -319,6 +319,34 @@ describe('The Statuses module', () => {
       expect(state.notifications[0].type).to.eql('mention')
     })
 
+    it('removes a notification when the notice gets removed', () => {
+      const user = { id: 1 }
+      const state = cloneDeep(defaultState)
+      const status = makeMockStatus({id: 1})
+      const mentionedStatus = makeMockStatus({id: 2})
+      mentionedStatus.attentions = [user]
+      mentionedStatus.uri = 'xxx'
+
+      const deletion = makeMockStatus({id: 3, is_post_verb: false})
+      deletion.text = 'Dolus deleted notice {{tag:gs.smuglo.li,2016-11-18:noticeId=1038007:objectType=note}}.'
+      deletion.uri = 'xxx'
+
+      mutations.addNewStatuses(state, { statuses: [status], user })
+
+      expect(state.notifications.length).to.eql(0)
+
+      mutations.addNewStatuses(state, { statuses: [mentionedStatus], user })
+      expect(state.allStatuses.length).to.eql(2)
+      expect(state.notifications.length).to.eql(1)
+      expect(state.notifications[0].status).to.eql(mentionedStatus)
+      expect(state.notifications[0].action).to.eql(mentionedStatus)
+      expect(state.notifications[0].type).to.eql('mention')
+
+      mutations.addNewStatuses(state, { statuses: [deletion], user })
+      expect(state.allStatuses.length).to.eql(1)
+      expect(state.notifications.length).to.eql(0)
+    })
+
     it('adds the message to mentions when you are mentioned', () => {
       const user = { id: 1 }
       const state = cloneDeep(defaultState)