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test(e2e): Port React E2E test apps to span streaming - #23849

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test(e2e): Port React E2E test apps to span streaming#23849
andreiborza wants to merge 2 commits into
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@andreiborza

@andreiborza andreiborza commented Sep 1, 2026

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What

Ports create-react-app, lighthouse-react, react-17, react-19 and react-send-to-sentry to span streaming.

Why

Span streaming is the default now, so the E2E suite has to exercise it. react-send-to-sentry needed more than a helper swap: pageload and navigation segments never become transaction events under streaming, so the app records them from beforeSendSpan and the trace lookup matches a span id rather than a transaction event id. That lookup runs against real Sentry, so CI is what confirms the shape. react-19 keeps its specs unchanged, since they only cover error handling and the profiler.

Closes: #23799

Removes the `traceLifecycle: 'static'` pin from `create-react-app`,
`lighthouse-react`, `react-17`, `react-19` and `react-send-to-sentry`, and
rewrites the `react-17` specs against streamed span v2.

`react-send-to-sentry` needed more than a helper swap. Pageload and navigation
segments never become transaction events under streaming, so the app records
them from `beforeSendSpan` instead of the event processor, and the trace lookup
matches a span id rather than a transaction event id.

`react-19` keeps its specs unchanged: they only cover error handling and the
profiler, neither of which depends on the trace lifecycle.
@linear-code

linear-code Bot commented Sep 1, 2026

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JS-3483

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github-actions Bot commented Sep 1, 2026

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size-limit report 📦

Path Size % Change Change
@sentry/browser 28.56 kB -0.05% -13 B 🔽
@sentry/browser - with treeshaking flags 26.92 kB -0.06% -14 B 🔽
@sentry/browser - with treeshaking flags tracing without tracing 26.82 kB -0.05% -12 B 🔽
@sentry/browser (incl. Tracing) 48.86 kB -0.03% -11 B 🔽
@sentry/browser (incl. Tracing + Span Streaming) 48.87 kB -0.03% -11 B 🔽
@sentry/browser (incl. Tracing, Profiling) 51.79 kB -0.03% -13 B 🔽
@sentry/browser (incl. Tracing, Replay) 88.35 kB -0.02% -12 B 🔽
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 77.75 kB -0.02% -14 B 🔽
@sentry/browser (incl. Tracing, Replay with Canvas) 93.04 kB -0.02% -13 B 🔽
@sentry/browser (incl. Tracing, Replay, Feedback) 106 kB -0.02% -13 B 🔽
@sentry/browser (incl. Feedback) 46.05 kB -0.04% -14 B 🔽
@sentry/browser (incl. sendFeedback) 33.62 kB -0.04% -13 B 🔽
@sentry/browser (incl. FeedbackAsync) 38.73 kB -0.04% -14 B 🔽
@sentry/browser (incl. Metrics) 29.51 kB -0.06% -16 B 🔽
@sentry/browser (incl. Logs) 29.8 kB -0.05% -12 B 🔽
@sentry/browser (incl. Metrics & Logs) 30.43 kB -0.05% -14 B 🔽
@sentry/react 30.3 kB -0.05% -13 B 🔽
@sentry/react (incl. Tracing) 51.06 kB -0.04% -18 B 🔽
@sentry/vue 35.73 kB -0.04% -13 B 🔽
@sentry/vue (incl. Tracing) 51.13 kB -0.03% -15 B 🔽
@sentry/svelte 28.59 kB -0.05% -12 B 🔽
CDN Bundle 30.35 kB -0.05% -14 B 🔽
CDN Bundle (incl. Tracing) 49.5 kB -0.03% -13 B 🔽
CDN Bundle (incl. Logs, Metrics) 32.58 kB -0.05% -15 B 🔽
CDN Bundle (incl. Tracing, Logs, Metrics) 51.41 kB -0.03% -14 B 🔽
CDN Bundle (incl. Replay, Logs, Metrics) 73.17 kB -0.02% -14 B 🔽
CDN Bundle (incl. Tracing, Replay) 87 kB -0.02% -12 B 🔽
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 88.86 kB -0.02% -13 B 🔽
CDN Bundle (incl. Tracing, Replay, Feedback) 92.93 kB -0.02% -13 B 🔽
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 94.83 kB -0.02% -12 B 🔽
CDN Bundle - uncompressed 89.95 kB -0.03% -22 B 🔽
CDN Bundle (incl. Tracing) - uncompressed 147.56 kB -0.02% -22 B 🔽
CDN Bundle (incl. Logs, Metrics) - uncompressed 96.24 kB -0.03% -22 B 🔽
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 153.25 kB -0.02% -22 B 🔽
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 225.41 kB -0.01% -22 B 🔽
CDN Bundle (incl. Tracing, Replay) - uncompressed 267.05 kB -0.01% -22 B 🔽
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 272.73 kB -0.01% -22 B 🔽
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 280.75 kB -0.01% -22 B 🔽
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 286.42 kB -0.01% -22 B 🔽
@sentry/nextjs (client) 53.68 kB -0.03% -16 B 🔽
@sentry/sveltekit (client) 49.29 kB -0.03% -13 B 🔽
@sentry/core/server 40.72 kB - -
@sentry/core/browser 13.42 kB - -
@sentry/node 123.83 kB +0.01% +5 B 🔺
@sentry/node/import (ESM hook with diagnostics-channel injection) 81.4 kB - -
@sentry/node - without tracing 88.13 kB +0.02% +13 B 🔺
@sentry/node - without channel injection 103.26 kB +0.01% +7 B 🔺
@sentry/aws-serverless 96.48 kB +0.02% +10 B 🔺
@sentry/cloudflare (withSentry) - minified 201.21 kB -0.02% -22 B 🔽
@sentry/cloudflare (withSentry) 500.7 kB -0.05% -249 B 🔽

View base workflow run

Matching `event_id` against the recorded span id never resolved, so both span
lookups polled for the full three minutes. The trace is already unique to the
pageload or navigation under test, so the op identifies the segment within it
without depending on which field carries the span id. Log the trace's item
shapes once when the op is missing, so a repeat failure is diagnosable.
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Port React E2E test apps to span streaming

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