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#!/bin/bash
#
# Copyright (C) 2026 Danilo M. <danix@danix.xyz>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# The one runnable check for ai-state.sh. It puts stub curl, pgrep,
# llamachat and imggen on PATH and a stub assistant.sh beside them, then runs
# the real script, so nothing here touches the live stack. T_* variables pick
# the state each stub reports.
#
# Usage: ./test-ai-state.sh (exit 0 = all passed)
set -u
here="$(cd "$(dirname "$0")" && pwd)"
stub="$(mktemp -d)"
trap 'rm -rf "$stub"' EXIT
# The last argument is the URL. /slots refuses a probe without
# autoload=false, because the real server would load the model for it.
cat > "$stub/curl" <<'STUB'
#!/bin/bash
url="${!#}"
case "$url" in
*/models)
case "${T_LLAMA:-down}" in
down) exit 7 ;;
unloaded) echo '{"data":[{"id":"A","status":{"value":"unloaded"}}]}' ;;
*) echo '{"data":[{"id":"A","status":{"value":"unloaded"}},{"id":"Gemma","status":{"value":"loaded"}}]}' ;;
esac ;;
*/slots)
[[ " $* " == *" autoload=false "* ]] || exit 99
[[ " $* " == *" model=Gemma "* ]] || exit 22
if [[ "$T_LLAMA" == busy ]]; then
echo '[{"id":0,"is_processing":false},{"id":1,"is_processing":true}]'
else
echo '[{"id":0,"is_processing":false}]'
fi ;;
*) exit 6 ;;
esac
STUB
cat > "$stub/pgrep" <<'STUB'
#!/bin/bash
case "$*" in
*sd-server*)
[[ -n "${T_SD:-}" ]] || exit 1
echo "4242 sd-server --listen-port 7860 --diffusion-model /data/SD/z_image_turbo-Q8_0.gguf --vae /data/SD/vae/flux1-ae.safetensors" ;;
*fanfictioner*)
[[ -n "${T_FANFIC:-}" ]] || exit 1
echo 31337 ;;
*) exit 1 ;;
esac
STUB
cat > "$stub/llamachat" <<'STUB'
#!/bin/bash
[[ "$1" == --ping && -n "${T_CHAT:-}" ]]
STUB
# The real imggen exits 0 either way and says which on stdout.
cat > "$stub/imggen" <<'STUB'
#!/bin/bash
[[ "$1" == status ]] || exit 1
if [[ -n "${T_IMG:-}" ]]; then echo '{"model": "realvis", "ready": true}'; else echo "daemon down"; fi
STUB
cat > "$stub/assistant.sh" <<'STUB'
#!/bin/bash
[[ "$1" == status && -n "${T_ASSIST:-}" ]]
STUB
chmod +x "$stub"/*
log="$stub/sd-server.log"
: > "$log"
pass=0
fail=0
check() {
local name="$1" want="$2" got="$3"
if [[ "$want" == "$got" ]]; then
pass=$((pass + 1))
else
fail=$((fail + 1))
printf 'FAIL: %s\n want: %q\n got: %q\n' "$name" "$want" "$got"
fi
}
# One line of the protocol, tab joined.
l() { local IFS=$'\t'; printf '%s\n' "$*"; }
run() {
env PATH="$stub:$PATH" AI_ASSISTANT="$stub/assistant.sh" AI_SD_LOG="$log" "$@" \
bash "$here/ai-state.sh"
}
apps_down="$(l app assistant stopped -; l app chat stopped -; l app imggen stopped -; l app fanfic stopped -)"
want="$(l engine llama down idle -; l engine sd down idle -)
$apps_down"
check "everything down" "$want" "$(run)"
run >/dev/null
check "everything down exits zero" 0 $?
got="$(run T_LLAMA=unloaded | head -n1)"
check "llama up, no model loaded" "$(l engine llama up idle -)" "$got"
got="$(run T_LLAMA=idle | head -n1)"
check "llama loaded, idle" "$(l engine llama up idle Gemma)" "$got"
got="$(run T_LLAMA=busy | head -n1)"
check "llama loaded, generating" "$(l engine llama up busy Gemma)" "$got"
touch "$log"
got="$(run T_SD=1 | sed -n 2p)"
check "sd running, log just written" "$(l engine sd up busy z_image_turbo-Q8_0.gguf)" "$got"
touch -d '1 minute ago' "$log"
got="$(run T_SD=1 | sed -n 2p)"
check "sd running, log quiet" "$(l engine sd up idle z_image_turbo-Q8_0.gguf)" "$got"
want="$(l app assistant running -; l app chat running -; l app imggen running realvis; l app fanfic running 31337)"
got="$(run T_ASSIST=1 T_CHAT=1 T_IMG=1 T_FANFIC=1 | tail -n4)"
check "every app running" "$want" "$got"
printf '\n%d passed, %d failed\n' "$pass" "$fail"
[[ "$fail" -eq 0 ]]
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