diff --git a/src/components/chat_view/chat_view.spec.js b/src/components/chat_view/chat_view.spec.js
new file mode 100644
index 000000000..5f9c1fca2
--- /dev/null
+++ b/src/components/chat_view/chat_view.spec.js
@@ -0,0 +1,132 @@
+import { shallowMount } from '@vue/test-utils'
+import { setActivePinia } from 'pinia'
+import { createTestingPinia } from '@pinia/testing'
+import { HttpResponse, http } from 'msw'
+import ChatView from './chat_view.vue'
+
+const message1 = {
+  id: '1',
+  chat_id: 2,
+  idempotency_key: '1',
+  created_at: new Date('2020-06-22T18:45:53.000Z'),
+}
+
+const message2 = {
+  id: '2',
+  chat_id: 2,
+  idempotency_key: '2',
+  account_id: '9vmRb29zLQReckr5ay',
+  created_at: new Date('2020-06-22T18:45:56.000Z'),
+}
+
+const message3 = {
+  id: '3',
+  chat_id: 2,
+  idempotency_key: '3',
+  account_id: '9vmRb29zLQReckr5ay',
+  created_at: new Date('2020-07-22T18:45:59.000Z'),
+}
+
+const global = {
+  mocks: {
+    $store: {
+      state: {
+        api: {},
+        users: {}
+      },
+    },
+    $route: {
+      params: {
+        recipient_id: 2,
+      },
+    },
+    $router: {
+      push: () => {}
+    }
+  },
+  stubs: {
+    FAIcon: true,
+  },
+}
+
+describe('ChatView methods', () => {
+  let component
+  beforeEach(() => {
+    setActivePinia(createTestingPinia())
+    component = shallowMount(ChatView, { global, props: { testMode: true } })
+    component.vm.chat = { id: 2 }
+  })
+
+  describe('addMessages', () => {
+    it("Doesn't add duplicates", () => {
+      component.vm.addMessages({ messages: [message1] })
+      component.vm.addMessages({ messages: [message1] })
+      expect(component.vm.messages.length).to.eql(1)
+
+      component.vm.addMessages({ messages: [message2] })
+      expect(component.vm.messages.length).to.eql(2)
+    })
+
+    it('Updates minId and lastMessage and newMessageCount', () => {
+      component.vm.addMessages({ messages: [message1] })
+      expect(component.vm.maxId).to.eql(message1.id)
+      expect(component.vm.minId).to.eql(message1.id)
+      expect(component.vm.newMessageCount).to.eql(1)
+
+      component.vm.addMessages({ messages: [message2] })
+      expect(component.vm.maxId).to.eql(message2.id)
+      expect(component.vm.minId).to.eql(message1.id)
+      expect(component.vm.newMessageCount).to.eql(2)
+
+      component.vm.readChat()
+      expect(component.vm.newMessageCount).to.eql(0)
+      expect(component.vm.lastReadMessageId).to.eql(message2.id)
+
+      // Add message with higher id
+      component.vm.addMessages({ messages: [message3] })
+      expect(component.vm.newMessageCount).to.eql(1)
+    })
+  })
+
+  describe('deleteChatMessage', () => {
+    it('Updates minId and lastMessage', () => {
+      component.vm.addMessages({ messages: [message1] })
+      component.vm.addMessages({ messages: [message2] })
+      component.vm.addMessages({ messages: [message3] })
+
+      expect(component.vm.maxId).to.eql(message3.id)
+      expect(component.vm.minId).to.eql(message1.id)
+
+      component.vm.deleteChatMessage({ messageId: message3.id })
+      expect(component.vm.maxId).to.eql(message2.id)
+      expect(component.vm.minId).to.eql(message1.id)
+
+      component.vm.deleteChatMessage({ messageId: message1.id })
+      expect(component.vm.maxId).to.eql(message2.id)
+      expect(component.vm.minId).to.eql(message2.id)
+    })
+  })
+
+  describe('cullOlder', () => {
+    it('keeps 50 newest messages and messagesIndex matches', () => {
+      for (let i = 100; i > 0; i--) {
+        // Use decimal values with toFixed to hack together constant length predictable strings
+        component.vm.addMessages({
+          messages: [
+            {
+              ...message1,
+              id: 'a' + (i / 1000).toFixed(3),
+              idempotency_key: i,
+            },
+          ],
+        })
+      }
+      component.vm.cullOlder()
+      expect(component.vm.messages.length).to.eql(50)
+      expect(component.vm.messages[0].id).to.eql('a0.051')
+      expect(component.vm.minId).to.eql('a0.051')
+      expect(component.vm.messages[49].id).to.eql('a0.100')
+      expect(Object.keys(component.vm.messagesIndex).length).to.eql(50)
+    })
+  })
+})