add story for login page

next-ui/src/mocks/api/handlers.ts

@@ -19,3 +19,6 @@ export const handlers = [
 
 export const response401Unauthorized = () =>
   HttpResponse.json({ error: 'Unauthorized' }, { status: 401 })
+
+export const response502BadGateway = () =>
+  HttpResponse.json({ error: 'Bad gateway' }, { status: 502 })

next-ui/src/pages/login.stories.ts

@@ -0,0 +1,98 @@
+import type { Meta, StoryObj } from '@storybook/vue3-vite'
+
+import login from './login.vue'
+import { http, delay } from 'msw'
+
+import { response401Unauthorized, response502BadGateway } from '@/mocks/api/handlers'
+import { expect, waitFor } from 'storybook/test'
+import { useMessagesStore } from '@/stores/messages'
+
+const meta = {
+  component: login,
+  render: (args: object) => ({
+    components: { login },
+    setup() {
+      return { args }
+    },
+    template: '<login />',
+  }),
+  parameters: {
+    // More on how to position stories at: https://storybook.js.org/docs/configure/story-layout
+  },
+  args: {},
+} satisfies Meta<typeof login>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {
+  args: {},
+}
+
+export const Invalid: Story = {
+  parameters: {
+    msw: {
+      handlers: [http.get('*/api/v2/users/me', response401Unauthorized)],
+    },
+  },
+  play: async ({ canvas, userEvent }) => {
+    const login = canvas.getByLabelText(/email/i, {
+      selector: 'input',
+    })
+    await userEvent.type(login, 'test@example.org')
+
+    const password = canvas.getByLabelText(/password/i, {
+      selector: 'input',
+    })
+    await userEvent.type(password, 'abc')
+
+    await userEvent.click(canvas.getByRole('button', { name: /sign in/i }))
+
+    await waitFor(() => expect(canvas.getByText(/invalid login/i)).toBeVisible())
+  },
+}
+
+export const Loading: Story = {
+  parameters: {
+    msw: {
+      handlers: [http.all('*', async () => await delay(5_000))],
+    },
+  },
+  play: async ({ canvas, userEvent }) => {
+    const login = canvas.getByLabelText(/email/i, {
+      selector: 'input',
+    })
+    await userEvent.type(login, 'test@example.org')
+
+    const password = canvas.getByLabelText(/password/i, {
+      selector: 'input',
+    })
+    await userEvent.type(password, 'abc')
+
+    await userEvent.click(canvas.getByRole('button', { name: /sign in/i }))
+  },
+}
+
+export const Error: Story = {
+  parameters: {
+    msw: {
+      handlers: [http.all('*', response502BadGateway)],
+    },
+  },
+  play: async ({ canvas, userEvent }) => {
+    const login = canvas.getByLabelText(/email/i, {
+      selector: 'input',
+    })
+    await userEvent.type(login, 'test@example.org')
+
+    const password = canvas.getByLabelText(/password/i, {
+      selector: 'input',
+    })
+    await userEvent.type(password, 'abc')
+
+    await userEvent.click(canvas.getByRole('button', { name: /sign in/i }))
+
+    const messagesStore = useMessagesStore()
+    await waitFor(() => expect(messagesStore.messages.length).toBe(1))
+  },
+}