#!/usr/bin/env bash
# shellcheck disable=SC2034 # Used by test runner for reporting.
TEST_DESC="Elicitation confirm flow for tools/call."
set -euo pipefail
# Named FIFOs and timing assumptions are flaky on Windows Git Bash;
# skip this test there and rely on Unix CI for coverage.
case "$(uname -s 2>/dev/null)" in
MINGW* | MSYS* | CYGWIN*)
printf 'Skipping elicitation test on Windows environment\n'
exit 0
;;
esac
SCRIPT_DIR="$(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
WORKROOT="${TEST_TMPDIR}/elicitation"
test_stage_workspace "${WORKROOT}"
# Create elicitation test tool
mkdir -p "${WORKROOT}/tools/elicitation"
cat <<'META' >"${WORKROOT}/tools/elicitation/tool.meta.json"
{
"name": "elicitation.test",
"description": "Asks for confirmation via elicitation",
"arguments": {"type": "object", "properties": {}}
}
META
cat <<'SH' >"${WORKROOT}/tools/elicitation/tool.sh"
#!/usr/bin/env bash
set -euo pipefail
source "${MCP_SDK}/tool-sdk.sh"
resp="$(mcp_elicit_confirm "Proceed?")"
action="$(printf '%s' "${resp}" | jq -r '.action')"
if [ "${action}" = "accept" ]; then
confirmed="$(printf '%s' "${resp}" | jq -r '.content.confirmed')"
if [ "${confirmed}" = "true" ]; then
mcp_emit_text "confirmed"
exit 0
fi
fi
mcp_emit_text "not-confirmed:${action}"
exit 0
SH
chmod +x "${WORKROOT}/tools/elicitation/tool.sh"
IN_FIFO="${TEST_TMPDIR}/elicitation.in"
OUT_FIFO="${TEST_TMPDIR}/elicitation.out"
mkfifo "${IN_FIFO}" "${OUT_FIFO}"
(
cd "${WORKROOT}" || exit 1
# Use the SDK default elicitation timeout (30s). Some environments
# (notably Windows CI) can take longer to spin up background workers,
# so forcing a very short MCPBASH_ELICITATION_TIMEOUT risks the tool
# timing out before the server has a chance to emit elicitation/create.
MCPBASH_PROJECT_ROOT="${WORKROOT}" ./bin/mcp-bash <"${IN_FIFO}" >"${OUT_FIFO}"
) &
SERVER_PID=$!
# Open the FIFOs after server starts listening
exec 3>"${IN_FIFO}"
exec 4<"${OUT_FIFO}"
# Send initialize + tool call
printf '%s\n' '{"jsonrpc":"2.0","id":"init","method":"initialize","params":{"capabilities":{"elicitation":{}}}}' >&3
printf '%s\n' '{"jsonrpc":"2.0","method":"notifications/initialized"}' >&3
printf '%s\n' '{"jsonrpc":"2.0","id":"call","method":"tools/call","params":{"name":"elicitation.test","arguments":{}}}' >&3
call_response=""
elicitation_seen=0
start_ts=$(date +%s)
while :; do
now=$(date +%s)
if [ $((now - start_ts)) -gt 30 ]; then
test_fail "timed out waiting for elicitation flow"
break
fi
if ! IFS= read -r -t 1 line <&4; then
continue
fi
if printf '%s' "${line}" | jq -e '.method == "elicitation/create"' >/dev/null 2>&1; then
elicitation_seen=1
elicit_id="$(printf '%s' "${line}" | jq -r '.id')"
printf '{"jsonrpc":"2.0","id":%s,"result":{"action":"accept","content":{"confirmed":true}}}\n' "${elicit_id}" >&3
continue
fi
if printf '%s' "${line}" | jq -e '.id == "call"' >/dev/null 2>&1; then
call_response="${line}"
break
fi
done
# Request clean shutdown
printf '%s\n' '{"jsonrpc":"2.0","id":"shutdown","method":"shutdown"}' >&3
printf '%s\n' '{"jsonrpc":"2.0","id":"exit","method":"exit"}' >&3
exec 3>&-
wait "${SERVER_PID}" || true
if [ "${elicitation_seen}" -ne 1 ]; then
test_fail "elicitation/create request not observed"
fi
if [ -z "${call_response}" ]; then
test_fail "no tools/call response received"
fi
text="$(printf '%s' "${call_response}" | jq -r '.result.content[] | select(.type=="text") | .text' | head -n1)"
if [[ "${text}" != *"confirmed"* ]]; then
test_fail "tool output missing confirmation text (got: ${text})"
fi
printf 'elicitation happy-path passed\n'
