merge: testing → main (reconcile 2-week divergence)

scripts/bus/smoke.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+# End-to-end bus smoke test: boots a worker, subscribes, publishes,
+# verifies the event lands, tears everything down. Exits non-zero if
+# anything misbehaves.
+#
+# Usage: scripts/bus/smoke.sh
+set -euo pipefail
+
+SOCK="$(mktemp -u -t decnet-bus-smoke.XXXXXX.sock)"
+export DECNET_BUS_SOCKET="${SOCK}"
+LOGDIR="$(mktemp -d -t decnet-bus-smoke.XXXXXX)"
+trap 'rm -f "${SOCK}"; rm -rf "${LOGDIR}"' EXIT
+
+HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+echo "smoke: socket=${SOCK}"
+
+decnet bus --socket "${SOCK}" --group "" --heartbeat 1 \
+    > "${LOGDIR}/worker.log" 2>&1 &
+WORKER_PID=$!
+trap 'kill ${WORKER_PID} 2>/dev/null || true; wait ${WORKER_PID} 2>/dev/null || true; rm -f "${SOCK}"; rm -rf "${LOGDIR}"' EXIT
+
+# Wait for the socket to exist.
+for _ in {1..40}; do
+    [[ -S "${SOCK}" ]] && break
+    sleep 0.05
+done
+if [[ ! -S "${SOCK}" ]]; then
+    echo "smoke: FAIL — worker never created ${SOCK}" >&2
+    cat "${LOGDIR}/worker.log" >&2
+    exit 1
+fi
+
+# Subscriber in the background, redirected to a file we can tail.
+python "${HERE}/sub.py" 'topology.>' > "${LOGDIR}/sub.log" 2>&1 &
+SUB_PID=$!
+trap 'kill ${SUB_PID} 2>/dev/null || true; kill ${WORKER_PID} 2>/dev/null || true; wait 2>/dev/null || true; rm -f "${SOCK}"; rm -rf "${LOGDIR}"' EXIT
+
+# Give the SUB frame a tick to register.
+sleep 0.3
+
+python "${HERE}/pub.py" topology.abc.status '{"state": "active"}' >/dev/null
+
+# Wait up to 2s for the event to show up.
+for _ in {1..40}; do
+    if grep -q 'topology.abc.status' "${LOGDIR}/sub.log"; then
+        echo "smoke: OK — subscriber received event"
+        grep 'topology.abc.status' "${LOGDIR}/sub.log"
+        exit 0
+    fi
+    sleep 0.05
+done
+
+echo "smoke: FAIL — subscriber never saw the event" >&2
+echo "--- worker.log ---" >&2; cat "${LOGDIR}/worker.log" >&2
+echo "--- sub.log ---"    >&2; cat "${LOGDIR}/sub.log"    >&2
+exit 1