Files
hermes-webui/tests/test_issue3983_browser_tts_watchdog.py
2026-06-11 20:42:51 -04:00

83 lines
3.3 KiB
Python

from pathlib import Path
import re
REPO = Path(__file__).resolve().parents[1]
def _extract_function(src: str, name: str) -> str:
anchor = f"function {name}("
start = src.find(anchor)
assert start != -1, f"{name}() must exist"
body_start = src.find("{", start)
assert body_start != -1, f"{name}() must have a body"
depth = 1
idx = body_start + 1
while depth and idx < len(src):
if src[idx] == "{":
depth += 1
elif src[idx] == "}":
depth -= 1
idx += 1
assert depth == 0, f"{name}() body must balance braces"
return src[start:idx]
def test_boot_js_declares_browser_tts_recovery_helpers():
src = (REPO / "static" / "boot.js").read_text(encoding="utf-8")
assert "let _browserTtsKeepAlive=null;" in src
assert "let _browserTtsWatchdog=null;" in src
assert "let _browserTtsSuppressNextErrorRearm=false;" in src
assert "function _clearBrowserTtsRecovery()" in src
assert "function _armBrowserTtsRecovery(clean, rate)" in src
def test_browser_tts_watchdog_rearms_listening_if_onend_drops():
src = (REPO / "static" / "boot.js").read_text(encoding="utf-8")
arm_body = _extract_function(src, "_armBrowserTtsRecovery")
assert "_browserTtsWatchdog=setTimeout" in arm_body
assert "_voiceModeState!=='speaking'" in arm_body
assert "_browserTtsSuppressNextErrorRearm=true;" in arm_body
assert "speechSynthesis.cancel()" in arm_body
assert "_startListening();" in arm_body
assert "_browserTtsKeepAlive=setInterval" in arm_body
assert "speechSynthesis.pause();" in arm_body
assert "speechSynthesis.resume();" in arm_body
def test_browser_tts_callbacks_and_deactivate_clear_recovery_handles():
src = (REPO / "static" / "boot.js").read_text(encoding="utf-8")
speak_body = _extract_function(src, "_speakResponse")
assert "const utter=new SpeechSynthesisUtterance(clean);" in speak_body
assert "utter.onend=()=>{" in speak_body
assert "utter.onerror=()=>{" in speak_body
assert speak_body.count("_clearBrowserTtsRecovery();") >= 2, (
"Both browser TTS completion callbacks must clear watchdog/keep-alive handles."
)
assert "_browserTtsSuppressNextErrorRearm=false;" in speak_body
assert "_voiceModeActive&&_voiceModeState==='speaking'" in speak_body
assert "if(_browserTtsSuppressNextErrorRearm){" in speak_body
assert "_armBrowserTtsRecovery(clean, utter.rate);" in speak_body
deactivate_body = _extract_function(src, "_deactivate")
assert "_clearBrowserTtsRecovery();" in deactivate_body, (
"_deactivate() must clear browser TTS watchdog/keep-alive handles."
)
assert "_browserTtsSuppressNextErrorRearm=false;" in deactivate_body
def test_edge_audio_branch_stays_separate():
src = (REPO / "static" / "boot.js").read_text(encoding="utf-8")
edge_match = re.search(
r'if\(engine==="edge"\)\{(.*?)\n\s+return;\n\s+\}',
src,
re.DOTALL,
)
assert edge_match, "Edge audio branch must exist"
edge_body = edge_match.group(1)
assert "const audio = new Audio(url);" in edge_body
assert "audio.onended = () => {" in edge_body
assert "_armBrowserTtsRecovery" not in edge_body, (
"The browser speechSynthesis workaround must not be injected into the Edge audio branch."
)