Files
coyote/scripts/usage-probe-hooks.sh
T
Dark-Alex-17 e62502c862 test(TASK-038): adopt hook usage-probe regression script
Black-box scenarios against a built binary with dry_run configs: hook
cadence + env scoping, runtime inertness of failing hooks, --info firing
zero agent.* events, --install-builtins hooks install/force/cold-start
semantics, and end-to-end firing of the installed log-events.sh via the
documented relative-path wiring.
2026-09-16 13:44:35 -06:00

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#!/usr/bin/env bash
# Black-box usage-pattern probe for the coyote hook system.
#
# Verifies, against a REAL built `coyote` binary in a clean/isolated
# COYOTE_CONFIG_DIR (dry_run:true, no network/LLM credentials required):
# A) exactly one turn.started + one turn.completed + one llm.request.completed
# fire per headless run, with correctly scoped env vars (no cross-event
# extras leakage).
# B) a failing/missing-script hook never changes coyote's stdout, stderr, or
# exit code.
# C) `coyote --install-builtins hooks` installs both bundled example scripts
# 0755 into <config_dir>/hooks via the real CLI, and a second invocation
# (force reinstall) overwrites local edits back to the packaged content.
# D) `coyote --agent <bundled-agent> --info` (an inspection flag) fires ZERO
# agent.* hook events.
#
# Not covered here (see src/function/mod.rs tests for tool.* + payload-file
# coverage instead): a live tool.started firing requires a real LLM round
# trip that actually decides to call a tool; dry_run's echo_messages() path
# never invokes tools, so it cannot be exercised via this recipe.
#
# Usage: scripts/usage-probe-hooks.sh
# Requires: a `coyote` binary on PATH or at ./target/debug/coyote or
# ./target/release/coyote (build with `cargo build --bin coyote` first).
set -euo pipefail
REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
BIN="${COYOTE_BIN:-}"
if [ -z "$BIN" ]; then
if [ -x "$REPO_ROOT/target/debug/coyote" ]; then
BIN="$REPO_ROOT/target/debug/coyote"
elif [ -x "$REPO_ROOT/target/release/coyote" ]; then
BIN="$REPO_ROOT/target/release/coyote"
else
echo "No coyote binary found; run 'cargo build --bin coyote' first." >&2
exit 2
fi
fi
WORKDIR="$(mktemp -d)"
trap 'rm -rf "$WORKDIR"' EXIT
fail() {
echo "FAIL: $1" >&2
exit 1
}
write_dryrun_config() {
# $1 = config dir, $2..$n = extra YAML fragment lines appended verbatim
local dir="$1"
shift
cat > "$dir/config.yaml" <<'BASE'
model: dryrun:dry-model
dry_run: true
clients:
- type: openai
name: dryrun
auth: none
api_key: 'unused'
models:
- name: dry-model
max_input_tokens: 100000
supports_function_calling: true
save: false
memory: false
stream: false
BASE
if [ "$#" -gt 0 ]; then
printf '%s\n' "$@" >> "$dir/config.yaml"
fi
}
echo "== Scenario A: turn/llm hook cadence and env scoping =="
CFG_A="$WORKDIR/a"
mkdir -p "$CFG_A"
TS_LOG="$WORKDIR/turn-started.log"
TC_LOG="$WORKDIR/turn-completed.log"
LC_LOG="$WORKDIR/llm-completed.log"
write_dryrun_config "$CFG_A" "hooks:" \
" turn.started:" \
" - name: probe" \
" command: \"{ echo \\\"EVENT=\$COYOTE_EVENT NAME=\$COYOTE_HOOK_NAME\\\"; } >> $TS_LOG\"" \
" turn.completed:" \
" - name: probe" \
" command: \"{ echo \\\"EVENT=\$COYOTE_EVENT NAME=\$COYOTE_HOOK_NAME\\\"; } >> $TC_LOG\"" \
" llm.request.completed:" \
" - name: probe-llm" \
" command: \"{ echo \\\"EVENT=\$COYOTE_EVENT PROVIDER=\$COYOTE_LLM_PROVIDER MODEL=\$COYOTE_LLM_MODEL\\\"; } >> $LC_LOG\""
COYOTE_CONFIG_DIR="$CFG_A" "$BIN" --no-stream "say exactly: hi" > /dev/null
sleep 1
[ "$(grep -c '^EVENT=turn.started' "$TS_LOG" 2>/dev/null || echo 0)" = "1" ] \
|| fail "expected exactly one turn.started, got: $(cat "$TS_LOG" 2>/dev/null)"
[ "$(grep -c '^EVENT=turn.completed' "$TC_LOG" 2>/dev/null || echo 0)" = "1" ] \
|| fail "expected exactly one turn.completed, got: $(cat "$TC_LOG" 2>/dev/null)"
[ "$(grep -c '^EVENT=llm.request.completed' "$LC_LOG" 2>/dev/null || echo 0)" = "1" ] \
|| fail "expected exactly one llm.request.completed, got: $(cat "$LC_LOG" 2>/dev/null)"
grep -q 'PROVIDER=dryrun MODEL=dryrun:dry-model' "$LC_LOG" \
|| fail "llm.request.completed missing expected COYOTE_LLM_PROVIDER/MODEL: $(cat "$LC_LOG")"
echo "PASS: exactly 1 turn.started + 1 turn.completed + 1 llm.request.completed, correctly scoped"
echo "== Scenario B: failing/missing-script hooks never affect output or exit code =="
CFG_B="$WORKDIR/b"
mkdir -p "$CFG_B"
write_dryrun_config "$CFG_B" "hooks:" \
" turn.completed:" \
" - name: failing" \
" command: /nonexistent/script/does/not/exist" \
" - name: exit1" \
" command: \"exit 1\""
CFG_BASE="$WORKDIR/base"
mkdir -p "$CFG_BASE"
write_dryrun_config "$CFG_BASE"
exit_b=0
COYOTE_CONFIG_DIR="$CFG_B" "$BIN" --no-stream "say exactly: hi" > "$WORKDIR/out_b.txt" 2> "$WORKDIR/err_b.txt" || exit_b=$?
exit_base=0
COYOTE_CONFIG_DIR="$CFG_BASE" "$BIN" --no-stream "say exactly: hi" > "$WORKDIR/out_base.txt" 2> "$WORKDIR/err_base.txt" || exit_base=$?
[ "$exit_b" = "$exit_base" ] || fail "exit code differs: with-hooks=$exit_b baseline=$exit_base"
diff -q "$WORKDIR/out_b.txt" "$WORKDIR/out_base.txt" > /dev/null || fail "stdout differs when a hook fails/is missing"
diff -q "$WORKDIR/err_b.txt" "$WORKDIR/err_base.txt" > /dev/null || fail "stderr differs when a hook fails/is missing"
echo "PASS: failing/missing-script hooks are invisible to stdout/stderr/exit code"
echo "== Scenario C: coyote --install-builtins hooks (real CLI, clean config dir) =="
CFG_C="$WORKDIR/c"
mkdir -p "$CFG_C"
out_install1="$WORKDIR/install1.out"
COYOTE_CONFIG_DIR="$CFG_C" "$BIN" --install-builtins hooks > "$out_install1" 2>&1
[ -f "$CFG_C/hooks/notify.sh" ] || fail "notify.sh was not installed: $(cat "$out_install1")"
[ -f "$CFG_C/hooks/log-events.sh" ] || fail "log-events.sh was not installed: $(cat "$out_install1")"
grep -q "Reinstalled bundled hooks" "$out_install1" \
|| fail "expected confirmation message, got: $(cat "$out_install1")"
if command -v stat > /dev/null 2>&1; then
mode_notify="$(stat -c '%a' "$CFG_C/hooks/notify.sh" 2>/dev/null || stat -f '%Lp' "$CFG_C/hooks/notify.sh")"
mode_log="$(stat -c '%a' "$CFG_C/hooks/log-events.sh" 2>/dev/null || stat -f '%Lp' "$CFG_C/hooks/log-events.sh")"
[ "$mode_notify" = "755" ] || fail "notify.sh mode is $mode_notify, expected 755"
[ "$mode_log" = "755" ] || fail "log-events.sh mode is $mode_log, expected 755"
fi
# Modify a script locally, then re-run --install-builtins hooks: it always
# forces (no confirmation prompt on non-tty stdout), so the local edit must
# be overwritten back to the packaged content.
echo "# LOCALLY MODIFIED" > "$CFG_C/hooks/notify.sh"
COYOTE_CONFIG_DIR="$CFG_C" "$BIN" --install-builtins hooks > "$WORKDIR/install2.out" 2>&1
grep -q "LOCALLY MODIFIED" "$CFG_C/hooks/notify.sh" \
&& fail "force reinstall did not overwrite the locally modified notify.sh"
grep -q '^#!/usr/bin/env bash' "$CFG_C/hooks/notify.sh" \
|| fail "notify.sh was not restored to the packaged script"
echo "PASS: --install-builtins hooks installs both scripts 0755 and force-overwrites local edits"
echo "== Scenario C2: cold-start auto-bootstrap fills the hooks dir but never forces =="
CFG_C2="$WORKDIR/c2"
mkdir -p "$CFG_C2/hooks"
write_dryrun_config "$CFG_C2"
# Every coyote invocation calls install_builtins() (force=false) before
# dispatching any flag, so a plain run on a config dir with no hooks/ yet
# must auto-populate it...
rmdir "$CFG_C2/hooks" 2>/dev/null || true
COYOTE_CONFIG_DIR="$CFG_C2" "$BIN" --no-stream "say exactly: hi" > /dev/null
[ -f "$CFG_C2/hooks/notify.sh" ] || fail "cold-start run did not auto-install notify.sh"
# ...but once a file exists, the non-force path must NEVER touch it again.
echo "# LOCALLY MODIFIED" > "$CFG_C2/hooks/notify.sh"
COYOTE_CONFIG_DIR="$CFG_C2" "$BIN" --no-stream "say exactly: hi" > /dev/null
grep -q "LOCALLY MODIFIED" "$CFG_C2/hooks/notify.sh" \
|| fail "a plain (non --install-builtins) invocation overwrote a locally modified hook script"
echo "PASS: plain invocations auto-bootstrap missing hooks but never force-overwrite existing ones"
echo "== Scenario C3: installed log-events.sh fires end-to-end via the documented relative path =="
# Exercises the exact wiring promised in the script headers:
# command: ./hooks/log-events.sh (resolves against the config dir)
# and the script's own contract: COYOTE_HOOK_LOG override honored, log file
# created 0600, COYOTE_SECRET_* values excluded from the snapshot.
CFG_C3="$WORKDIR/c3"
mkdir -p "$CFG_C3"
HOOK_LOG="$WORKDIR/c3-hook.log"
write_dryrun_config "$CFG_C3" "hooks:" \
" turn.completed:" \
" - name: log-events" \
" command: ./hooks/log-events.sh"
COYOTE_CONFIG_DIR="$CFG_C3" "$BIN" --install-builtins hooks > /dev/null 2>&1
COYOTE_CONFIG_DIR="$CFG_C3" COYOTE_HOOK_LOG="$HOOK_LOG" COYOTE_SECRET_PROBE=hunter2 \
"$BIN" --no-stream "say exactly: hi" > /dev/null
sleep 1
[ -f "$HOOK_LOG" ] || fail "installed log-events.sh did not write to COYOTE_HOOK_LOG via relative-path wiring"
[ "$(grep -c '^=== ' "$HOOK_LOG")" = "1" ] \
|| fail "expected exactly one event block in the hook log, got: $(cat "$HOOK_LOG")"
grep -q 'COYOTE_EVENT=turn.completed' "$HOOK_LOG" \
|| fail "hook log missing COYOTE_EVENT=turn.completed: $(cat "$HOOK_LOG")"
grep -q 'hunter2' "$HOOK_LOG" \
&& fail "COYOTE_SECRET_* value leaked into the hook log"
grep -q 'COYOTE_SECRET_' "$HOOK_LOG" \
&& fail "COYOTE_SECRET_ variable name leaked into the hook log"
if command -v stat > /dev/null 2>&1; then
mode_hook_log="$(stat -c '%a' "$HOOK_LOG" 2>/dev/null || stat -f '%Lp' "$HOOK_LOG")"
[ "$mode_hook_log" = "600" ] || fail "hook log mode is $mode_hook_log, expected 600"
fi
echo "PASS: relative-path wiring fires the installed log-events.sh; log is 0600 with secrets excluded"
echo "== Scenario D: --agent <bundled> --info fires zero agent.* events =="
CFG_D="$WORKDIR/d"
mkdir -p "$CFG_D/agents"
AGENT_LOG="$WORKDIR/agent-events.log"
write_dryrun_config "$CFG_D" "hooks:" \
" agent.started:" \
" - name: probe-agent" \
" command: \"echo AGENT_STARTED >> $AGENT_LOG\"" \
" agent.completed:" \
" - name: probe-agent" \
" command: \"echo AGENT_DONE >> $AGENT_LOG\"" \
" agent.failed:" \
" - name: probe-agent" \
" command: \"echo AGENT_FAILED >> $AGENT_LOG\""
AGENT_NAME="$(ls "$REPO_ROOT/assets/agents" | head -1)"
cp -r "$REPO_ROOT/assets/agents/$AGENT_NAME" "$CFG_D/agents/$AGENT_NAME"
COYOTE_CONFIG_DIR="$CFG_D" "$BIN" --agent "$AGENT_NAME" --info > /dev/null 2>&1
sleep 1
[ -s "$AGENT_LOG" ] && fail "expected zero agent.* events from --agent --info, got: $(cat "$AGENT_LOG")"
echo "PASS: --agent $AGENT_NAME --info fired zero agent.* hook events"
echo
echo "ALL SCENARIOS PASSED"