Restructure status module for easier testing.

src/modules/statuses.js

@@ -2,7 +2,7 @@ import { map, slice, last, intersectionBy, sortBy, unionBy, toInteger, groupBy,
 import moment from 'moment'
 import apiService from '../services/api/api.service.js'
 
-const defaultState = {
+export const defaultState = {
   allStatuses: [],
   maxId: 0,
   timelines: {
@@ -110,21 +110,7 @@ const updateTimestampsInStatuses = (statuses) => {
   })
 }
 
-const statuses = {
+export const mutations = {
-  state: defaultState,
-  actions: {
-    favorite ({ rootState, commit }, status) {
-      // Optimistic favoriting...
-      commit('setFavorited', { status, value: true })
-      apiService.favorite({ id: status.id, credentials: rootState.users.currentUser.credentials })
-    },
-    unfavorite ({ rootState, commit }, status) {
-      // Optimistic favoriting...
-      commit('setFavorited', { status, value: false })
-      apiService.unfavorite({ id: status.id, credentials: rootState.users.currentUser.credentials })
-    }
-  },
-  mutations: {
   addNewStatuses (state, { statuses, showImmediately = false, timeline }) {
     state.timelines[timeline] = addStatusesToTimeline(statuses, showImmediately, state.timelines[timeline])
     state.allStatuses = unionBy(state.timelines[timeline].statuses, state.allStatuses.id)
@@ -155,7 +141,23 @@ const statuses = {
       }
     })
   }
+}
+
+const statuses = {
+  state: defaultState,
+  actions: {
+    favorite ({ rootState, commit }, status) {
+      // Optimistic favoriting...
+      commit('setFavorited', { status, value: true })
+      apiService.favorite({ id: status.id, credentials: rootState.users.currentUser.credentials })
+    },
+    unfavorite ({ rootState, commit }, status) {
+      // Optimistic favoriting...
+      commit('setFavorited', { status, value: false })
+      apiService.unfavorite({ id: status.id, credentials: rootState.users.currentUser.credentials })
     }
+  },
+  mutations
 }
 
 export default statuses