#!/usr/bin/env bash
# Compatibility: sanity-check handshake output expected by Inspector clients.
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck source=../common/env.sh
# shellcheck disable=SC1091
. "${SCRIPT_DIR}/../common/env.sh"
# shellcheck source=../common/assert.sh
# shellcheck disable=SC1091
. "${SCRIPT_DIR}/../common/assert.sh"
test_create_tmpdir
WORKSPACE="${TEST_TMPDIR}/workspace"
test_stage_workspace "${WORKSPACE}"
export WORKSPACE
# Bash implementation of inspector test
(
cd "${WORKSPACE}"
# Point project root at the staged workspace so the server can start.
export MCPBASH_PROJECT_ROOT="${WORKSPACE}"
# Enable startup logging for this test (disabled by default since b832516)
export MCPBASH_LOG_STARTUP=true
# Use FIFOs + file descriptors (Bash 3.2+; avoids coproc which is Bash 4+).
# Launch server with pipes
# We'll read from server_out and write to server_in
# Create FIFOs
mkfifo in_pipe
mkfifo out_pipe
./bin/mcp-bash <in_pipe >out_pipe 2>err_log &
PID=$!
# Keep pipe open
exec 3>in_pipe
exec 4<out_pipe
send() {
printf '%s\n' "$1" >&3
}
# init
send '{"jsonrpc": "2.0", "id": "init", "method": "initialize", "params": {}}'
# Read until we get init response
got_init=false
while read -r line <&4; do
[ -z "${line}" ] && continue
id=$(echo "${line}" | jq -r '.id // empty')
if [ "${id}" = "init" ]; then
protocol=$(echo "${line}" | jq -r '.result.protocolVersion')
if [ "${protocol}" != "2025-11-25" ]; then
echo "unexpected protocolVersion: ${protocol}" >&2
kill "${PID}"
exit 1
fi
for cap in logging tools resources prompts completions; do
if ! echo "${line}" | jq -e ".result.capabilities.${cap}" >/dev/null; then
echo "missing capability ${cap}" >&2
kill "${PID}"
exit 1
fi
done
got_init=true
break
fi
done
if [ "${got_init}" != "true" ]; then
echo "Failed to get init response" >&2
kill "${PID}"
exit 1
fi
send '{"jsonrpc": "2.0", "method": "notifications/initialized"}'
send '{"jsonrpc": "2.0", "id": "shutdown", "method": "shutdown"}'
got_shutdown=false
while read -r line <&4; do
[ -z "${line}" ] && continue
id=$(echo "${line}" | jq -r '.id // empty')
if [ "${id}" = "shutdown" ]; then
res=$(echo "${line}" | jq -r '.result')
if [ "${res}" != "{}" ]; then
echo "shutdown acknowledgement missing" >&2
kill "${PID}"
exit 1
fi
got_shutdown=true
break
fi
done
if [ "${got_shutdown}" != "true" ]; then
echo "Failed to get shutdown response" >&2
kill "${PID}"
exit 1
fi
send '{"jsonrpc": "2.0", "id": "exit", "method": "exit"}'
# Wait for exit
wait "${PID}" || true
if ! grep -q "mcp-bash startup: transport=stdio" err_log 2>/dev/null; then
echo "missing startup stderr log" >&2
rm in_pipe out_pipe
exit 1
fi
rm in_pipe out_pipe
)
