Add users repository in users module.

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

@@ -0,0 +1,20 @@
+import { cloneDeep } from 'lodash'
+
+import { defaultState, mutations } from '../../../../src/modules/users.js'
+
+describe('The users module', () => {
+  it('adds new users to the set, merging in new information for old users', () => {
+    const state = cloneDeep(defaultState)
+    const user = { id: 1, name: 'Guy' }
+    const modUser = { id: 1, name: 'Dude' }
+
+    mutations.addNewUsers(state, [user])
+    expect(state.users).to.have.length(1)
+    expect(state.users).to.eql([user])
+
+    mutations.addNewUsers(state, [modUser])
+    expect(state.users).to.have.length(1)
+    expect(state.users).to.eql([user])
+    expect(state.users[0].name).to.eql('Dude')
+  })
+})