418d77443c
Replace _normalize_session_model_in_place() on the GET /api/session read path with a read-only _resolve_effective_session_model_for_display() that returns the effective display model without writing it back to disk or the session index. Closes #845. Tests: 1856 passing.
700 lines
26 KiB
Python
700 lines
26 KiB
Python
"""
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Tests for issue #266 — provider/model mismatch warning.
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Covers:
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1. streaming.py: auth errors detected and classified as 'auth_mismatch'
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2. static/ui.js: _checkProviderMismatch() helper exists and logic is correct
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3. static/messages.js: apperror handler has auth_mismatch branch
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4. static/i18n.js: provider_mismatch_warning and provider_mismatch_label keys
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present in all locales (en, es, de, ru, zh, zh-Hant)
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5. static/boot.js: modelSelect.onchange calls _checkProviderMismatch
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6. /api/models: response includes active_provider field
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"""
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import json
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import pathlib
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import re
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import urllib.request
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from tests.conftest import TEST_STATE_DIR
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REPO_ROOT = pathlib.Path(__file__).parent.parent.resolve()
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from tests._pytest_port import BASE
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def _read(rel_path: str) -> str:
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return (REPO_ROOT / rel_path).read_text(encoding="utf-8")
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def _post(path, body=None):
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data = json.dumps(body or {}).encode()
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req = urllib.request.Request(
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BASE + path, data=data, headers={"Content-Type": "application/json"}
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)
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with urllib.request.urlopen(req, timeout=10) as r:
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return json.loads(r.read()), r.status
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# ── 1. streaming.py: auth error detection ───────────────────────────────────
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class TestStreamingAuthErrorDetection:
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"""streaming.py must classify auth/401 errors as auth_mismatch."""
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def test_auth_mismatch_type_defined_in_streaming(self):
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"""'auth_mismatch' type must be emitted for auth errors."""
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src = _read("api/streaming.py")
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assert "auth_mismatch" in src, (
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"auth_mismatch type not found in streaming.py — "
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"401/auth errors will not be surfaced with a helpful message"
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)
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def test_is_auth_error_flag_defined(self):
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"""auth error variable must exist in the error handler (exception path and silent-failure path)."""
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src = _read("api/streaming.py")
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# Variable renamed to _exc_is_auth in exception path, _is_auth in silent-failure path
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assert "_exc_is_auth" in src or "_is_auth" in src, (
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"auth error flag not found in streaming.py"
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)
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def test_auth_error_detects_401(self):
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"""'401' must be part of the auth error detection logic."""
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src = _read("api/streaming.py")
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# Find the is_auth_error block
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# Variable renamed to _exc_is_auth in exception path, _is_auth in silent-failure path
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idx = src.find("_exc_is_auth")
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assert idx != -1
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block = src[idx:idx + 500]
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assert "'401'" in block or '"401"' in block, (
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"'401' not in auth error detection block"
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)
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def test_auth_error_detects_unauthorized(self):
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"""'unauthorized' must be part of the auth error detection logic."""
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src = _read("api/streaming.py")
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# Variable renamed to _exc_is_auth in exception path
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idx = src.find("_exc_is_auth")
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block = src[idx:idx + 500]
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assert "unauthorized" in block.lower(), (
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"'unauthorized' not in auth error detection block"
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)
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def test_auth_error_hint_mentions_hermes_model(self):
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"""The auth_mismatch hint must mention 'hermes model' command."""
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src = _read("api/streaming.py")
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# Find the auth_mismatch apperror block
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idx = src.find("auth_mismatch")
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block = src[idx:idx + 500]
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assert "hermes model" in block, (
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"auth_mismatch hint must mention 'hermes model' command "
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"so users know how to fix provider mismatch"
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)
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def test_auth_error_does_not_catch_rate_limit(self):
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"""Rate limit errors must not be reclassified as auth_mismatch."""
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src = _read("api/streaming.py")
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# Variables renamed: _exc_is_rate_limit / _exc_is_auth in exception path
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# Quota check comes first (before rate limit), then rate limit, then auth
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rl_idx = src.find("_exc_is_rate_limit")
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ae_idx = src.find("_exc_is_auth")
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assert rl_idx != -1, "_exc_is_rate_limit not found in streaming.py exception path"
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assert ae_idx != -1, "_exc_is_auth not found in streaming.py exception path"
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assert rl_idx < ae_idx, (
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"_exc_is_rate_limit check should precede _exc_is_auth — "
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"rate limit errors must not be mistaken for auth errors"
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)
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# ── 2. static/ui.js: _checkProviderMismatch() ───────────────────────────────
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class TestCheckProviderMismatch:
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"""ui.js must expose _checkProviderMismatch() helper."""
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def test_function_defined(self):
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"""_checkProviderMismatch function must be defined in ui.js."""
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src = _read("static/ui.js")
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assert "function _checkProviderMismatch" in src, (
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"_checkProviderMismatch not defined in ui.js"
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)
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def test_uses_window_active_provider(self):
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"""Function must read window._activeProvider."""
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src = _read("static/ui.js")
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idx = src.find("function _checkProviderMismatch")
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block = src[idx:idx + 800]
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assert "_activeProvider" in block, (
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"_checkProviderMismatch must read window._activeProvider"
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)
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def test_skips_check_for_openrouter(self):
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"""OpenRouter can route to any provider — skip the warning."""
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src = _read("static/ui.js")
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idx = src.find("function _checkProviderMismatch")
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block = src[idx:idx + 800]
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assert "openrouter" in block.lower(), (
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"_checkProviderMismatch must skip the check for openrouter"
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)
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def test_skips_check_for_custom(self):
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"""Custom endpoints can serve any model — skip the warning."""
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src = _read("static/ui.js")
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idx = src.find("function _checkProviderMismatch")
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block = src[idx:idx + 800]
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assert "custom" in block.lower(), (
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"_checkProviderMismatch must skip the check for custom provider"
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)
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def test_active_provider_stored_on_model_load(self):
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"""populateModelDropdown must store active_provider from /api/models."""
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src = _read("static/ui.js")
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# Find the function definition (skip the comment that also mentions the name)
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idx = src.find("async function populateModelDropdown")
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assert idx != -1, "async function populateModelDropdown not found"
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block = src[idx:idx + 800]
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assert "_activeProvider" in block, (
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"populateModelDropdown must set window._activeProvider "
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"from the /api/models response"
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)
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# ── 3. static/messages.js: apperror handler ─────────────────────────────────
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class TestApperrorHandler:
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"""messages.js apperror handler must handle auth_mismatch type."""
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def test_auth_mismatch_type_handled(self):
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"""apperror handler must check for type='auth_mismatch'."""
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src = _read("static/messages.js")
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assert "auth_mismatch" in src, (
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"auth_mismatch type not handled in messages.js apperror handler"
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)
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def test_provider_mismatch_label(self):
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"""'Provider mismatch' label must appear in the error handling."""
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src = _read("static/messages.js")
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assert "Provider mismatch" in src, (
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"'Provider mismatch' label not found in messages.js"
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)
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def test_is_auth_mismatch_variable(self):
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"""isAuthMismatch variable must be defined."""
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src = _read("static/messages.js")
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assert "isAuthMismatch" in src, (
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"isAuthMismatch variable not found in messages.js apperror handler"
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)
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# ── 4. static/i18n.js: all locales ───────────────────────────────────────────
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class TestI18nProviderMismatch:
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"""All locales must have provider_mismatch_warning and provider_mismatch_label."""
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REQUIRED_KEYS = ["provider_mismatch_warning", "provider_mismatch_label"]
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def _locale_names(self, src: str) -> list[str]:
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pattern = re.compile(
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r"^\s{2}(?:'(?P<quoted>[A-Za-z0-9-]+)'|(?P<plain>[A-Za-z0-9-]+))\s*:\s*\{",
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re.MULTILINE,
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)
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names = []
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for match in pattern.finditer(src):
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names.append(match.group("quoted") or match.group("plain"))
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return names
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def _count_key(self, src: str, key: str) -> int:
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return len(re.findall(r'\b' + re.escape(key) + r'\b', src))
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def test_all_locales_have_warning_key(self):
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"""provider_mismatch_warning must appear in all locales."""
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src = _read("static/i18n.js")
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locale_count = len(self._locale_names(src))
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count = self._count_key(src, "provider_mismatch_warning")
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assert count >= locale_count, (
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f"provider_mismatch_warning found {count} times, expected >= {locale_count} "
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f"(one per locale)"
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)
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def test_all_locales_have_label_key(self):
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"""provider_mismatch_label must appear in all locales."""
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src = _read("static/i18n.js")
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locale_count = len(self._locale_names(src))
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count = self._count_key(src, "provider_mismatch_label")
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assert count >= locale_count, (
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f"provider_mismatch_label found {count} times, expected >= {locale_count}"
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)
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def test_warning_is_function_in_en(self):
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"""English provider_mismatch_warning must be a function (m, p) => ..."""
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src = _read("static/i18n.js")
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# Find the en block
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en_start = src.find("\n en: {")
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es_start = src.find("\n es: {")
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en_block = src[en_start:es_start]
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assert "provider_mismatch_warning" in en_block, "Key not in en block"
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idx = en_block.find("provider_mismatch_warning")
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line = en_block[idx:idx + 200]
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# Must be a function, not a plain string
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assert "=>" in line, (
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"provider_mismatch_warning in en locale must be an arrow function "
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"that takes (m, p) parameters for model and provider interpolation"
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)
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def test_spanish_locale_key_coverage(self):
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"""Spanish locale must have the new keys (parity with English)."""
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src = _read("static/i18n.js")
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es_start = src.find("\n es: {")
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de_start = src.find("\n de: {")
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es_block = src[es_start:de_start]
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for key in self.REQUIRED_KEYS:
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assert key in es_block, f"Key '{key}' missing from Spanish locale"
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# ── 5. static/boot.js: dropdown change handler ──────────────────────────────
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class TestBootModelSelectChange:
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"""boot.js modelSelect.onchange must call _checkProviderMismatch."""
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def test_onchange_calls_check_function(self):
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"""modelSelect.onchange must invoke _checkProviderMismatch."""
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src = _read("static/boot.js")
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assert "_checkProviderMismatch" in src, (
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"boot.js modelSelect.onchange must call _checkProviderMismatch "
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"to warn users about provider/model mismatches"
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)
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# Verify it's called from the onchange handler (near modelSelect.onchange)
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idx = src.find("'modelSelect').onchange") or src.find('"modelSelect").onchange')
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if idx == -1:
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# Try alternate patterns
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idx = src.find("modelSelect")
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block_start = src.rfind("\n", 0, src.find("_checkProviderMismatch")) or 0
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surrounding = src[max(0, block_start - 200):block_start + 400]
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assert "modelSelect" in surrounding or "selectedModel" in surrounding, (
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"_checkProviderMismatch must be called in the context of model selection"
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)
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def test_onchange_shows_toast_on_mismatch(self):
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"""The warning must be shown via showToast, not alert()."""
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src = _read("static/boot.js")
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# Both _checkProviderMismatch call and showToast must be near each other
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idx = src.find("_checkProviderMismatch")
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assert idx != -1, "_checkProviderMismatch not found in boot.js"
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block = src[idx:idx + 300]
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assert "showToast" in block, (
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"Provider mismatch warning must be shown via showToast(), not alert()"
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)
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# ── 6. /api/models: active_provider in response ──────────────────────────────
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def test_api_models_includes_active_provider():
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"""/api/models must include 'active_provider' key in response."""
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with urllib.request.urlopen(BASE + "/api/models", timeout=10) as r:
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data = json.loads(r.read())
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# active_provider can be None/null but the key must exist
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assert "active_provider" in data, (
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"/api/models response missing 'active_provider' field — "
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"frontend needs this to detect provider mismatches"
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)
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def test_bare_gemini_session_model_normalizes_to_active_provider_default(monkeypatch):
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"""Persisted bare Gemini IDs must not survive a provider switch."""
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import api.routes as routes
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monkeypatch.setattr(
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routes,
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"get_available_models",
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lambda: {
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"active_provider": "openai-codex",
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"default_model": "gpt-5.4-mini",
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},
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)
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effective, changed = routes._resolve_compatible_session_model(
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"gemini-3.1-pro-preview"
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)
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assert changed is True
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assert effective == "gpt-5.4-mini"
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def test_prefixed_google_session_model_normalizes_to_active_provider_default(monkeypatch):
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"""Persisted provider-prefixed Gemini IDs must normalize too."""
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import api.routes as routes
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monkeypatch.setattr(
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routes,
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"get_available_models",
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lambda: {
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"active_provider": "openai-codex",
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"default_model": "gpt-5.4-mini",
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},
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)
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effective, changed = routes._resolve_compatible_session_model(
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"google/gemini-3.1-pro-preview"
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)
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assert changed is True
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assert effective == "gpt-5.4-mini"
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def test_google_active_provider_keeps_valid_gemini_session_model(monkeypatch):
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"""A Google-configured session must keep its Gemini model."""
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import api.routes as routes
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monkeypatch.setattr(
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routes,
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"get_available_models",
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lambda: {
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"active_provider": "google",
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"default_model": "gemini-3.1-pro-preview",
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},
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)
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effective, changed = routes._resolve_compatible_session_model(
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"gemini-3.1-pro-preview"
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)
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assert changed is False
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assert effective == "gemini-3.1-pro-preview"
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def test_session_model_normalizer_persists_corrected_model(monkeypatch):
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"""Write-path normalization should still persist corrected models."""
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import api.routes as routes
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monkeypatch.setattr(
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routes,
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"get_available_models",
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lambda: {
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"active_provider": "openai-codex",
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"default_model": "gpt-5.4-mini",
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},
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)
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save_calls = []
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class DummySession:
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def __init__(self):
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self.model = "gemini-3.1-pro-preview"
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def save(self, touch_updated_at=True):
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save_calls.append(touch_updated_at)
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session = DummySession()
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effective = routes._normalize_session_model_in_place(session)
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assert effective == "gpt-5.4-mini"
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assert session.model == "gpt-5.4-mini"
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assert save_calls == [False]
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def test_session_model_display_resolver_is_read_only(monkeypatch):
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"""Read-path model resolution must not mutate or save the session."""
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import api.routes as routes
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monkeypatch.setattr(
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routes,
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"get_available_models",
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lambda: {
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"active_provider": "openai-codex",
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|
"default_model": "gpt-5.4-mini",
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},
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)
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save_calls = []
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class DummySession:
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|
def __init__(self):
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self.model = "gemini-3.1-pro-preview"
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def save(self, touch_updated_at=True):
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save_calls.append(touch_updated_at)
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session = DummySession()
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effective = routes._resolve_effective_session_model_for_display(session)
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assert effective == "gpt-5.4-mini"
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assert session.model == "gemini-3.1-pro-preview"
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assert save_calls == []
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def test_api_session_is_side_effect_free_for_stale_models():
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"""GET /api/session must not rewrite the session file on first open (#845)."""
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|
created, status = _post("/api/session/new", {})
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assert status == 200
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sid = created["session"]["session_id"]
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session_path = TEST_STATE_DIR / "sessions" / f"{sid}.json"
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session_data = json.loads(session_path.read_text(encoding="utf-8"))
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stale_model = "google/gemini-3.1-pro-preview"
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session_data["model"] = stale_model
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before = json.dumps(session_data, ensure_ascii=False, indent=2)
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session_path.write_text(before, encoding="utf-8")
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with urllib.request.urlopen(
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BASE + f"/api/session?session_id={sid}", timeout=10
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) as r:
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payload = json.loads(r.read())
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after = session_path.read_text(encoding="utf-8")
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assert payload["session"]["model"], "response should still expose an effective display model"
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assert payload["session"]["model"] != stale_model, (
|
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"response model should be compatibility-normalized on the read path"
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)
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assert after == before, (
|
|
"GET /api/session must return an effective model for display without "
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"rewriting the session file on disk"
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)
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|
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# ── Model switch toast (#419) ─────────────────────────────────────────────────
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|
|
class TestModelSwitchToast:
|
|
"""Toast appears when user switches model during an active session."""
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|
def test_toast_in_model_select_onchange(self):
|
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"""modelSelect.onchange must show a toast when S.messages is non-empty."""
|
|
src = _read("static/boot.js")
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|
# Find the onchange block
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idx = src.find("modelSelect').onchange")
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assert idx != -1, "modelSelect.onchange not found in boot.js"
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block = src[idx:idx + 1100]
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|
assert "Model change takes effect in your next conversation" in block, (
|
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"modelSelect.onchange must show a toast when switching model mid-session"
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|
)
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def test_toast_guards_on_messages_length(self):
|
|
"""Toast must only fire when there are existing messages (active session)."""
|
|
src = _read("static/boot.js")
|
|
idx = src.find("Model change takes effect in your next conversation")
|
|
assert idx != -1
|
|
# Look back 200 chars for the S.messages guard
|
|
surrounding = src[max(0, idx - 200):idx + 50]
|
|
assert "S.messages" in surrounding and ".length" in surrounding, (
|
|
"Model switch toast must be gated on S.messages.length > 0"
|
|
)
|
|
|
|
def test_toast_uses_show_toast_not_alert(self):
|
|
"""Toast must use showToast(), not alert()."""
|
|
src = _read("static/boot.js")
|
|
idx = src.find("Model change takes effect in your next conversation")
|
|
assert idx != -1
|
|
surrounding = src[max(0, idx - 50):idx + 100]
|
|
assert "showToast" in surrounding, "Must use showToast() not alert()"
|
|
assert "alert(" not in surrounding, "Must not use alert()"
|
|
|
|
def test_toast_has_typeof_showtoast_guard(self):
|
|
"""Toast call must guard typeof showToast to be safe during boot."""
|
|
src = _read("static/boot.js")
|
|
idx = src.find("Model change takes effect in your next conversation")
|
|
assert idx != -1
|
|
surrounding = src[max(0, idx - 100):idx + 50]
|
|
assert "typeof showToast" in surrounding, (
|
|
"showToast call must be guarded with typeof check"
|
|
)
|
|
|
|
|
|
class TestChatStartEffectiveModelRecovery:
|
|
"""messages.js must accept an effective_model correction from the backend."""
|
|
|
|
def test_send_applies_effective_model_from_chat_start(self):
|
|
src = _read("static/messages.js")
|
|
assert "startData.effective_model" in src, (
|
|
"send() must read effective_model from /api/chat/start so the UI can "
|
|
"recover from stale persisted session models"
|
|
)
|
|
assert "localStorage.setItem('hermes-webui-model', startData.effective_model)" in src, (
|
|
"effective_model correction must update the saved model preference"
|
|
)
|
|
|
|
|
|
def test_unknown_prefix_model_passes_through_unchanged(monkeypatch):
|
|
"""Models with unknown/custom prefixes must never be stripped — regression test for #751."""
|
|
import api.routes as routes
|
|
|
|
monkeypatch.setattr(
|
|
routes,
|
|
"get_available_models",
|
|
lambda: {
|
|
"active_provider": "openai-codex",
|
|
"default_model": "gpt-5.4-mini",
|
|
},
|
|
)
|
|
|
|
for custom_model in (
|
|
"custom-provider/test-model-999",
|
|
"test/import-model",
|
|
"my-local-llm/variant-1",
|
|
"lmstudio-community/Qwen2.5-Coder-7B-Instruct-GGUF",
|
|
):
|
|
effective, changed = routes._resolve_compatible_session_model(custom_model)
|
|
assert changed is False, (
|
|
f"Model '{custom_model}' has an unknown prefix and must pass through unchanged, "
|
|
f"but _resolve_compatible_session_model returned changed=True (effective='{effective}')"
|
|
)
|
|
assert effective == custom_model, (
|
|
f"Expected '{custom_model}', got '{effective}'"
|
|
)
|
|
|
|
|
|
def test_empty_model_session_does_not_trigger_save(monkeypatch):
|
|
"""Sessions with no model stored must not trigger session.save() — index rebuild is expensive."""
|
|
import api.routes as routes
|
|
|
|
monkeypatch.setattr(
|
|
routes,
|
|
"get_available_models",
|
|
lambda: {
|
|
"active_provider": "openai-codex",
|
|
"default_model": "gpt-5.4-mini",
|
|
},
|
|
)
|
|
|
|
save_calls = []
|
|
|
|
class DummySession:
|
|
def __init__(self):
|
|
self.model = None # no model stored
|
|
|
|
def save(self, touch_updated_at=True):
|
|
save_calls.append(touch_updated_at)
|
|
|
|
session = DummySession()
|
|
effective = routes._normalize_session_model_in_place(session)
|
|
|
|
# Must return the default, but must NOT write to disk
|
|
assert effective == "gpt-5.4-mini"
|
|
assert save_calls == [], (
|
|
"_normalize_session_model_in_place must not call session.save() when "
|
|
"the session has no stored model — no correction needed, just a fallback."
|
|
)
|
|
|
|
|
|
# ── Issue #829: stale cross-provider model on custom_providers-only setup ─────
|
|
|
|
def test_stale_openai_model_cleared_for_custom_only_provider(monkeypatch):
|
|
"""A stale openai/... session model must be cleared when active provider is
|
|
'custom' and no catalog group can route the openai prefix (#829)."""
|
|
import api.routes as routes
|
|
|
|
monkeypatch.setattr(
|
|
routes,
|
|
"get_available_models",
|
|
lambda: {
|
|
"active_provider": "custom",
|
|
"default_model": "",
|
|
"groups": [
|
|
{"provider": "Agent37", "provider_id": "custom:agent37",
|
|
"models": [{"id": "agent37/default", "label": "default"}]},
|
|
],
|
|
},
|
|
)
|
|
|
|
effective, changed = routes._resolve_compatible_session_model(
|
|
"openai/gpt-5.4-mini"
|
|
)
|
|
|
|
# No routable group for openai/ — should clear to default (empty → model itself
|
|
# only if no default available, which means changed=False when default_model="")
|
|
# When default_model is empty, we can't clear — preserve and return False
|
|
assert changed is False
|
|
assert effective == "openai/gpt-5.4-mini"
|
|
|
|
|
|
def test_stale_openai_model_cleared_for_custom_provider_with_default(monkeypatch):
|
|
"""When active_provider='custom', no openrouter group, and default_model is
|
|
configured, stale openai/... model should be cleared to default (#829)."""
|
|
import api.routes as routes
|
|
|
|
monkeypatch.setattr(
|
|
routes,
|
|
"get_available_models",
|
|
lambda: {
|
|
"active_provider": "custom",
|
|
"default_model": "agent37/default",
|
|
"groups": [
|
|
{"provider": "Agent37", "provider_id": "custom:agent37",
|
|
"models": [{"id": "agent37/default", "label": "default"}]},
|
|
],
|
|
},
|
|
)
|
|
|
|
effective, changed = routes._resolve_compatible_session_model(
|
|
"openai/gpt-5.4-mini"
|
|
)
|
|
|
|
assert changed is True
|
|
assert effective == "agent37/default"
|
|
|
|
|
|
def test_openrouter_model_preserved_when_openrouter_group_present(monkeypatch):
|
|
"""When active_provider='openrouter' and openrouter group exists,
|
|
openai/... model IDs must pass through unchanged — they are routable (#829)."""
|
|
import api.routes as routes
|
|
|
|
monkeypatch.setattr(
|
|
routes,
|
|
"get_available_models",
|
|
lambda: {
|
|
"active_provider": "openrouter",
|
|
"default_model": "openai/gpt-5.4-mini",
|
|
"groups": [
|
|
{"provider": "OpenRouter", "provider_id": "openrouter",
|
|
"models": [{"id": "openai/gpt-5.4-mini", "label": "GPT-5.4 Mini"}]},
|
|
],
|
|
},
|
|
)
|
|
|
|
effective, changed = routes._resolve_compatible_session_model(
|
|
"openai/gpt-5.4-mini"
|
|
)
|
|
|
|
assert changed is False
|
|
assert effective == "openai/gpt-5.4-mini"
|
|
|
|
|
|
def test_custom_namespace_model_always_preserved_on_custom_provider(monkeypatch):
|
|
"""Model IDs with 'custom/' prefix must always pass through unchanged even
|
|
when active_provider='custom' (#829)."""
|
|
import api.routes as routes
|
|
|
|
monkeypatch.setattr(
|
|
routes,
|
|
"get_available_models",
|
|
lambda: {
|
|
"active_provider": "custom",
|
|
"default_model": "agent37/default",
|
|
"groups": [
|
|
{"provider": "Agent37", "provider_id": "custom:agent37",
|
|
"models": [{"id": "agent37/default", "label": "default"}]},
|
|
],
|
|
},
|
|
)
|
|
|
|
effective, changed = routes._resolve_compatible_session_model(
|
|
"custom/my-local-llm"
|
|
)
|
|
|
|
assert changed is False
|
|
assert effective == "custom/my-local-llm"
|
|
|
|
|
|
def test_stale_ui_js_does_not_inject_unavailable_option():
|
|
"""renderSession() must no longer inject a bare (unavailable) option into
|
|
modelSelect when the session model is not in the provider list (#829).
|
|
It should silently reset to the first available model instead."""
|
|
import os
|
|
src = open(os.path.join(os.path.dirname(__file__), "..", "static", "ui.js"),
|
|
encoding="utf-8").read()
|
|
|
|
# The old pattern must be gone — both keys removed from ui.js
|
|
assert "model_unavailable" not in src and "model_unavailable_title" not in src, (
|
|
"renderSession() must not inject '(unavailable)' options — "
|
|
"stale models should be silently reset to the first available model (#829)"
|
|
)
|
|
|
|
# The new silent-reset pattern must be present
|
|
assert "first.value" in src and "S.session.model=first.value" in src, (
|
|
"renderSession() must silently reset S.session.model to the first "
|
|
"available option when the session model is not in the dropdown (#829)"
|
|
)
|