74 lines
2.7 KiB
Bash
74 lines
2.7 KiB
Bash
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#!/bin/sh
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# Run the Cypress suite against a Flask app started by this script.
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#
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# Server and browser share one shell, so this works where act cannot reach the
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# host network. ELECTRON_RUN_AS_NODE is dropped before invoking Cypress because
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# VS Code exports it to child processes, which makes Cypress' bundled Electron
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# behave as Node and reject its own launch flags.
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#
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# Env:
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# PORT required, the port Flask binds and Cypress targets
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# PYTHON interpreter to run app.py with (default: python3)
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# E2E_LOG where Flask's output goes (default: /tmp/portfolio-e2e-flask.log)
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set -u
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PORT="${PORT:?PORT must be set (see env.example)}"
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PYTHON="${PYTHON:-python3}"
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E2E_LOG="${E2E_LOG:-/tmp/portfolio-e2e-flask.log}"
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FLASK_HOST=127.0.0.1
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export PORT FLASK_HOST
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APP_DIR="$(CDPATH='' cd -- "$(dirname -- "$0")/../app" && pwd)"
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BASE_URL="http://127.0.0.1:$PORT/"
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# cypress.config.js defaults to localhost, which resolves to ::1 first on a
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# dual-stack host — a different listener from the 127.0.0.1 one Flask binds and
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# this script probes. Pin all three to the same origin.
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export CYPRESS_baseUrl="$BASE_URL"
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# A foreign listener would be tested instead of the working tree. The predicate
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# is "something answers", deliberately without curl's -f: a foreign server that
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# is still returning 5xx right now would otherwise pass the guard and then be
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# picked up by the readiness probe once it recovers. --noproxy is what keeps
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# that same looser predicate from matching an HTTP proxy instead of the port.
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if curl -s --noproxy '*' --connect-timeout 2 --max-time 10 -o /dev/null "$BASE_URL"; then
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echo "ERROR: something already serves port $PORT — Cypress would test that"
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echo " instead of your working tree. Stop it first ('make down' for"
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echo " the container, otherwise a stray 'python app.py')."
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exit 1
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fi
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cd "$APP_DIR" || exit 1
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$PYTHON app.py > "$E2E_LOG" 2>&1 &
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flask_pid=$!
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trap 'kill "$flask_pid" 2>/dev/null || true' EXIT INT TERM
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echo "Waiting for $BASE_URL — follow with: tail -f $E2E_LOG"
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attempt=0
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while [ "$attempt" -lt 120 ]; do
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# Liveness first: a server answering while ours is dead means we are about
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# to hand Cypress somebody else's app.
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if ! kill -0 "$flask_pid" 2>/dev/null; then
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echo "ERROR: Flask exited during startup"
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cat "$E2E_LOG"
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exit 1
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fi
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if curl -sf --noproxy '*' --connect-timeout 2 --max-time 10 -o /dev/null "$BASE_URL"; then
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break
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fi
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attempt=$((attempt + 1))
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sleep 1
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done
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if ! curl -sf --noproxy '*' --connect-timeout 2 --max-time 10 -o /dev/null "$BASE_URL"; then
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echo "ERROR: app never became ready"
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cat "$E2E_LOG"
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exit 1
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fi
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env -u ELECTRON_RUN_AS_NODE npx cypress run
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status=$?
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kill "$flask_pid" 2>/dev/null || true
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exit "$status"
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