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feat(observability): redesign +error.svelte with errorId display and copy button

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Marcel
2026-05-17 09:44:32 +02:00
parent dff81f7bfb
commit 96ea7e6815
5 changed files with 102 additions and 92 deletions
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53
frontend/src/routes/error.svelte.test.ts
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@@ -4,7 +4,10 @@ import { page as browserPage } from 'vitest/browser';
const mockPage = {
status: 500,
error: { message: 'Internal Error' } as { message: string } | null
error: { message: 'Internal Error', errorId: undefined } as {
message: string;
errorId?: string;
} | null
};
vi.mock('$app/state', () => ({
@@ -13,6 +16,16 @@ vi.mock('$app/state', () => ({
}
}));
vi.mock('$lib/paraglide/messages.js', () => ({
m: {
page_title_error: () => 'Es ist etwas schiefgelaufen.',
error_internal_error: () => 'Ein unerwarteter Fehler ist aufgetreten.',
error_page_id_label: () => 'Fehler-ID',
error_copy_id_label: () => 'ID kopieren',
error_copied: () => 'Kopiert!'
}
}));
afterEach(cleanup);
async function loadComponent() {
@@ -20,7 +33,7 @@ async function loadComponent() {
}
describe('+error.svelte', () => {
it('renders the page status code prominently', async () => {
it('renders the page status code', async () => {
mockPage.status = 404;
mockPage.error = { message: 'Not Found' };
@@ -40,13 +53,45 @@ describe('+error.svelte', () => {
await expect.element(browserPage.getByText('Database unavailable')).toBeVisible();
});
it('falls back to the literal "Internal Error" when page.error is null', async () => {
it('falls back to error_internal_error message when page.error is null', async () => {
mockPage.status = 500;
mockPage.error = null;
const ErrorPage = await loadComponent();
render(ErrorPage);
await expect.element(browserPage.getByText('Internal Error')).toBeVisible();
await expect
.element(browserPage.getByText('Ein unerwarteter Fehler ist aufgetreten.'))
.toBeVisible();
});
it('shows errorId when page.error.errorId is set', async () => {
mockPage.status = 500;
mockPage.error = { message: 'Something broke', errorId: 'abc-123-def' };
const ErrorPage = await loadComponent();
render(ErrorPage);
await expect.element(browserPage.getByText('abc-123-def')).toBeVisible();
});
it('shows copy button when errorId is present', async () => {
mockPage.status = 500;
mockPage.error = { message: 'Something broke', errorId: 'abc-123-def' };
const ErrorPage = await loadComponent();
render(ErrorPage);
await expect.element(browserPage.getByRole('button', { name: 'ID kopieren' })).toBeVisible();
});
it('does not render errorId section when errorId is absent', async () => {
mockPage.status = 500;
mockPage.error = { message: 'Something broke' };
const ErrorPage = await loadComponent();
render(ErrorPage);
await expect.element(browserPage.getByText('Fehler-ID')).not.toBeInTheDocument();
});
});