clawbot
14eb376d79
check / check (push) Failing after 1s
`make frontend-viewport-test` builds `dist/`, serves it from the same digest-pinned nginx image and nginx.conf the shipping container uses, and drives a digest-pinned headless Chrome over CDP. Viewport widths are derived from the app's own @media breakpoints rather than a list of phone models: each breakpoint is tested one pixel below, on, and above, plus four anchor viewports. Assertions are on computed layout — horizontal overflow, off-screen elements, clipped text, 44x44 tap targets, host-row reflow — not screenshots, and each check declares the minimum elements it must find so a stale selector fails instead of passing blind against a page it is not measuring. Kept out of `make check`: it needs Docker and takes minutes. Proven able to fail before being trusted. Model: opus-4-8
103 lines
4.1 KiB
Bash
Executable File
103 lines
4.1 KiB
Bash
Executable File
#!/bin/sh
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# script/frontend-viewport-test: verify the responsive layout of the built
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# frontend in a real browser engine.
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#
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# Builds dist/, serves it with the same nginx image and the same nginx.conf
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# the shipping container uses, points a containerised headless Chrome at it
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# over CDP, and asserts on computed layout at every viewport width derived
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# from the app's own CSS. See test/viewport/README.md for what this covers
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# and what it cannot.
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#
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# Deliberately not part of script/check: it needs Docker and takes far
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# longer than the 20s budget make test has to stay inside.
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set -eu
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ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
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# chromedp/headless-shell 151.0.7922.109, 2026-08-09
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BROWSER_IMAGE="chromedp/headless-shell@sha256:2d349b544a1ea6b5b5fd7c0fe99215ff662339c57407ee2e8c0a11af93516b04"
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# nginx:stable-alpine, 2026-02-22 (the digest Dockerfile ships)
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SERVER_IMAGE="nginx@sha256:15e96e59aa3b0aada3a121296e3bce117721f42d88f5f64217ef4b18f458c6ab"
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# node:22-alpine, 2026-02-22 (the digest Dockerfile builds with)
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NODE_IMAGE="node@sha256:e4bf2a82ad0a4037d28035ae71529873c069b13eb0455466ae0bc13363826e34"
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RUN_ID="$$-$(date +%s)"
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NETWORK="netwatch-viewport-$RUN_ID"
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SERVER="netwatch-viewport-server-$RUN_ID"
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BROWSER="netwatch-viewport-browser-$RUN_ID"
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HARNESS="netwatch-viewport-harness-$RUN_ID"
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ARTIFACT_DIR="$ROOT/tmp/viewport"
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# Every container is named and removed here, including the harness itself:
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# `timeout` below kills the `docker run` client, not the container it
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# started, and an unnamed survivor keeps the --internal network in use so
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# `docker network rm` fails too. This host runs many sessions at once and
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# neither may be left behind.
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cleanup() {
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docker rm -f "$HARNESS" > /dev/null 2>&1 || true
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docker rm -f "$BROWSER" > /dev/null 2>&1 || true
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docker rm -f "$SERVER" > /dev/null 2>&1 || true
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docker network rm "$NETWORK" > /dev/null 2>&1 || true
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}
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trap cleanup EXIT INT TERM
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main() {
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cd "$ROOT"
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# Test what ships: the production build, not a dev server.
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"$ROOT/script/test"
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if [ ! -f "$ROOT/dist/index.html" ]; then
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echo "frontend-viewport-test: dist/index.html missing after build" >&2
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exit 1
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fi
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mkdir -p "$ARTIFACT_DIR"
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# An --internal network has no route off the host, so the browser
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# cannot reach the real internet no matter what the page asks for.
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# Latency probes are answered by the harness instead. This also means
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# no port can be published from it, which is why the harness itself
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# runs as a third container on the same network rather than on the
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# host.
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docker network create --internal "$NETWORK" > /dev/null
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docker run -d --rm --name "$SERVER" \
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--network "$NETWORK" --network-alias netwatch \
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-v "$ROOT/dist:/usr/share/nginx/html:ro" \
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-v "$ROOT/nginx.conf:/etc/nginx/conf.d/default.conf:ro" \
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"$SERVER_IMAGE" > /dev/null
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# The image's own entrypoint already exposes CDP on 9222 and passes
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# --no-sandbox, so only extra flags belong here; re-specifying the
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# debugging port collides with it and leaves the endpoint bound to
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# loopback only. --hide-scrollbars keeps innerWidth equal to
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# clientWidth, so the overflow assertion has no scrollbar-sized slack
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# to hide behind, and matches the overlay scrollbars phones use.
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docker run -d --rm --name "$BROWSER" --init --shm-size=1g \
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--network "$NETWORK" \
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"$BROWSER_IMAGE" \
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--hide-scrollbars \
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> /dev/null
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# Chrome refuses DevTools requests whose Host header is neither
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# localhost nor an IP address, so dial the container by address rather
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# than by its network alias.
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browser_ip="$(docker inspect \
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-f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' \
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"$BROWSER")"
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timeout 900 docker run --rm --init --name "$HARNESS" \
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--network "$NETWORK" \
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--user "$(id -u):$(id -g)" \
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-v "$ROOT:/app" \
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-w /app \
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-e NETWATCH_ROOT=/app \
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-e NETWATCH_BASE_URL=http://netwatch:8080 \
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-e "NETWATCH_CDP_URL=http://$browser_ip:9222" \
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-e NETWATCH_ARTIFACT_DIR=/app/tmp/viewport \
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"$NODE_IMAGE" \
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node test/viewport/harness.js
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}
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main "$@"
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