test: drive filter inside embedded Jetty - #2
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Mockito mocks on HttpServletRequest/Response don't exercise the real servlet container: filter chain wiring, URL/query construction, status and header propagation, static-asset pass-through are all simulated. Boot Jetty on a free port, register PrerenderFilter via FilterHolder with init params, mount a tiny servlet for the pass-through case, and hit the whole thing with a real HttpClient. Upstream Prerender service remains faked with the already-present WireMock. Jetty pinned to 11.0.20 to match WireMock 3.5.4's transitive version and avoid a classpath conflict with Jetty 12. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Stacked on top of #1 (add-prerender-java). Will auto-retarget to main once #1 merges.
What
Replace Mockito-on-servlet-objects with embedded Jetty + a real HttpClient so the filter is exercised through a real servlet container. Upstream Prerender service remains faked with the already-present WireMock.
Why
Mocked HttpServletRequest/HttpServletResponse don't exercise:
Closes the "java is the only repo without real-framework testing" gap, alongside the matching django change.
Notes
🤖 Generated with Claude Code