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Description
Example failure:
● clientTraceMetadata › app router › should inject propagation data for a dynamically server-side-rendered page
expect(received).toContain(expected) // indexOf
Expected substring: "<meta name=\"my-test-key-1\" content=\"my-test-value-1\">"
Received string: "<head><meta charset=\"utf-8\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"><link rel=\"preload\" as=\"script\" fetchpriority=\"low\" href=\"/_next/static/chunks/webpack-193d6f1dd590c8a5.js\"><script src=\"/_next/static/chunks/4bd1b696-0d720e2a8e3347a2.js\" async></script><script src=\"/_next/static/chunks/684-d355f4db0abc1a0f.js\" async></script><script src=\"/_next/static/chunks/main-app-0170bb3ac93153a0.js\" async></script><script>document.querySelectorAll('body link[rel=\"icon\"], body link[rel=\"apple-touch-icon\"]').forEach(el => document.head.appendChild(el))</script><script src=\"/_next/static/chunks/polyfills-42372ed130431b0a.js\" nomodule></script></head>"
11 | const $ = await next.render$('/app-router/dynamic-page')
12 | const headHtml = $.html('head')
> 13 | expect(headHtml).toContain(
| ^
14 | '<meta name="my-test-key-1" content="my-test-value-1">'
15 | )
16 | expect(headHtml).toContain(
at Object.toContain (e2e/opentelemetry/client-trace-metadata/client-trace-metadata.test.ts:13:24)
It appears that something in our handling prevents Next.js from producing expected <meta> tags when clientTraceMetadata experimental feature is enabled.
Data
The following is parsed automatically by the Next.js repo e2e test report generator.
test: test/e2e/opentelemetry/client-trace-metadata/client-trace-metadata.test.ts
reason: clientTraceMetadata experimental feature not supported