buckets/frontend/src/pages/ScenarioShowPage.test.tsx
myrmidex bfaf5c49ed
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53 - Frontend: wire scenario show route and distinct not-found state
2026-07-05 23:27:17 +02:00

141 lines
5 KiB
TypeScript

import { render, screen } from '@testing-library/react'
import { http, HttpResponse } from 'msw'
import { MemoryRouter, Route, Routes } from 'react-router'
import { describe, expect, it } from 'vitest'
import { AuthProvider } from '../auth/AuthProvider'
import { server } from '../test/server'
import ScenarioShowPage from './ScenarioShowPage'
const SCENARIO_ID = '11111111-1111-1111-1111-111111111111'
/**
* ScenarioShowPage renders under AuthProvider (same /api/me probe as every
* authed page) plus a minimal own route harness carrying the `:id` param —
* the real routes.tsx wiring is a separate test (14), so this page test does
* not depend on it.
*/
function renderPage() {
render(
<MemoryRouter initialEntries={[`/scenarios/${SCENARIO_ID}`]}>
<AuthProvider>
<Routes>
<Route path="/scenarios/:id" element={<ScenarioShowPage />} />
</Routes>
</AuthProvider>
</MemoryRouter>,
)
}
describe('ScenarioShowPage', () => {
it('renders each embedded bucket with its name, type, allocation and priority', async () => {
server.use(
http.get('http://localhost/api/me', () =>
HttpResponse.json({ id: 'u1', email: 'a@b.com' }),
),
http.get(`http://localhost/api/scenarios/${SCENARIO_ID}`, () =>
HttpResponse.json({
'@context': '/api/contexts/Scenario',
'@id': `/api/scenarios/${SCENARIO_ID}`,
'@type': 'Scenario',
name: 'Emergency Fund',
description: 'Rainy day savings',
buckets: [
{
'@id': '/api/buckets/22222222-2222-2222-2222-222222222222',
'@type': 'Bucket',
name: 'Rent',
type: 'need',
priority: 1,
sortOrder: 0,
allocationType: 'fixed_limit',
allocationValue: 10000,
startingAmount: 3000,
bufferMultiplier: '0.00',
},
{
'@id': '/api/buckets/33333333-3333-3333-3333-333333333333',
'@type': 'Bucket',
name: 'Dining Out',
type: 'want',
priority: 2,
sortOrder: 1,
allocationType: 'percentage',
allocationValue: 2500,
startingAmount: 1200,
bufferMultiplier: '0.00',
},
],
}),
),
// Deliberately NOT stubbing /api/buckets — MSW's onUnhandledRequest:
// 'error' fails this test if the page ever issues a second fetch,
// enforcing the single-GET-with-embedded-buckets contract.
)
renderPage()
expect(await screen.findByText('Rent')).toBeInTheDocument()
expect(screen.getByText('Dining Out')).toBeInTheDocument()
expect(screen.getByText(/need/i)).toBeInTheDocument()
expect(screen.getByText(/want/i)).toBeInTheDocument()
// Allocation: formatted per the locked display contract — fixed_limit is
// dollars-with-cents from CENTS (10000 -> '$100.00'), percentage is
// percent from BASIS POINTS (2500 -> '25%').
expect(screen.getByText('$100.00')).toBeInTheDocument()
expect(screen.getByText('25%')).toBeInTheDocument()
// Priority: assert each bucket's own priority is shown somewhere within
// its own rendered content, rather than a page-wide loose number match
// (which could coincidentally match allocation/other digits instead).
const rentPriorityMarker = await screen.findByText((_, element) =>
element?.textContent === 'Priority 1',
)
const diningPriorityMarker = await screen.findByText((_, element) =>
element?.textContent === 'Priority 2',
)
expect(rentPriorityMarker).toBeInTheDocument()
expect(diningPriorityMarker).toBeInTheDocument()
})
it('renders a distinct not-found state when the scenario 404s (e.g. not owned)', async () => {
server.use(
http.get('http://localhost/api/me', () =>
HttpResponse.json({ id: 'u1', email: 'a@b.com' }),
),
http.get(`http://localhost/api/scenarios/${SCENARIO_ID}`, () =>
HttpResponse.json({ message: 'Not Found' }, { status: 404 }),
),
)
renderPage()
expect(await screen.findByText(/not found/i)).toBeInTheDocument()
expect(
screen.queryByText(/could not load this scenario/i),
).not.toBeInTheDocument()
// Lock in the accessibility semantics distinction from the error state
// (role="alert") — a copy-paste that swaps this to "alert" should fail
// here even if the visible copy still says "not found".
expect(await screen.findByRole('status')).toHaveTextContent(/not found/i)
})
it('renders the generic error state for a non-404 failure', async () => {
server.use(
http.get('http://localhost/api/me', () =>
HttpResponse.json({ id: 'u1', email: 'a@b.com' }),
),
http.get(`http://localhost/api/scenarios/${SCENARIO_ID}`, () =>
HttpResponse.json({ message: 'Internal Server Error' }, { status: 500 }),
),
)
renderPage()
expect(await screen.findByRole('alert')).toHaveTextContent(
/could not load this scenario/i,
)
})
})