test(ui): SSE end-to-end smoke#95
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The integration suite covers the bus + SSE endpoint in isolation. This
Playwright spec proves the browser actually receives and acts on the
events — the missing piece in the v1.26.x test coverage.
Three scenarios:
1. Create-in-other-tab. Page is on the URL list. The test's request
context creates a monitor via the API; the new row appears in
the visible list within 2.5s. If SSE breaks or the dashboard
reverts to polling, this fails (old poll was 5s).
2. Delete-while-on-detail. Page is on a monitor's detail page; the
monitor is deleted via the API; the page bounces to '#/' via
detail.ts's monitor-deleted handler.
3. Delete-while-on-list. Page is on the URL list; the row
disappears without a refresh.
All assertions use a 2.5s timeout — tight enough to prove SSE drives
the update (not the deleted 5s poll), loose enough to absorb hono's
internal scheduling jitter and the test runner's overhead.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
Honest follow-up — v1.26.0 and v1.26.1 shipped without an end-to-end test of the actual browser-level SSE behavior. The integration suite covers the bus + endpoint, but never the processor → bus → SSE → EventSource → DOM chain in a real browser.
This spec closes that gap.
Scenarios
#/The 2.5s timeout is intentionally tight — the old polling baseline was 5s. If SSE breaks or the polling regression returns, this test fails.
What's NOT covered
Test plan
UI_BASE_URL=http://localhost:3010 bun run test:ui:e2e -- sse-live-updates.e2e.spec.ts🤖 Generated with Claude Code