File size: 5,847 Bytes
7c6ffa6 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 | from __future__ import annotations
from pathlib import Path
def test_tts_cache_hit_avoids_provider_call(client, monkeypatch, tmp_path: Path) -> None:
from app.core import config
from app.schemas.video import VideoSceneAudioInput, VideoScenePlanAudioInput
from app.services import tts_provider
monkeypatch.setenv("TTS_PROVIDER", "mock")
monkeypatch.setenv("TTS_OUTPUT_DIR", str(tmp_path / "audio"))
config.get_settings.cache_clear()
class CountingProvider(tts_provider.MockTTSProvider):
calls = 0
def generate_scene_audio(self, **kwargs):
type(self).calls += 1
return super().generate_scene_audio(**kwargs)
monkeypatch.setattr(tts_provider, "get_tts_provider", lambda provider_name=None: CountingProvider())
scene = VideoSceneAudioInput(
scene_id=1,
id=1,
type="explanation",
duration_seconds=2,
screen_text="Photosynthesis",
voice_text="Plants make food using sunlight.",
subtitle_text="Plants make food using sunlight.",
keywords=["plants"],
)
plan = VideoScenePlanAudioInput(
title="Biology",
duration_minutes=0.1,
language="English",
style="clean_explainer",
visual_style="clean_explainer",
video_format="16:9",
voice_mode="english_soft",
scenes=[scene],
)
first = tts_provider.generate_audio_for_scene_plan(
scene_plan=plan,
voice_mode="english_soft",
voice="nila",
language="English",
provider_name="mock",
video_id="video-one",
user_id="usr_demo_student",
use_cache=True,
)
second = tts_provider.generate_audio_for_scene_plan(
scene_plan=plan,
voice_mode="english_soft",
voice="nila",
language="English",
provider_name="mock",
video_id="video-two",
user_id="usr_demo_student",
use_cache=True,
)
assert CountingProvider.calls == 1
assert first["audio_files"][0]["cache_hit"] is False
assert second["audio_files"][0]["cache_hit"] is True
def test_scene_plan_cache_hit_avoids_regeneration(client) -> None:
from app.core.database import SessionLocal
from app.services.generation_cache import (
get_cached_generation,
scene_plan_cache_key,
store_generation_cache,
)
key = scene_plan_cache_key(
document_id="doc_1",
material_hash="hash-a",
video_mode="exam_study_video",
target_duration_seconds=600,
language="English",
evidence_level="document_only",
prompt_version="v1",
)
with SessionLocal() as db:
store_generation_cache(
db=db,
cache_key=key,
task_type="scene_plan",
provider="openrouter",
input_hash="hash-a",
output_json={"title": "Cached plan", "scenes": []},
)
cached = get_cached_generation(
db=db,
cache_key=key,
task_type="scene_plan",
provider="openrouter",
)
assert cached is not None
assert cached.output_json == {"title": "Cached plan", "scenes": []}
def test_cache_key_changes_when_prompt_version_changes() -> None:
from app.services.generation_cache import study_material_cache_key
v1 = study_material_cache_key(
document_id="doc_1",
content_hash="content-a",
task_type="quiz_generation",
evidence_level="document_only",
prompt_version="v1",
)
v2 = study_material_cache_key(
document_id="doc_1",
content_hash="content-a",
task_type="quiz_generation",
evidence_level="document_only",
prompt_version="v2",
)
assert v1 != v2
def test_cache_hit_records_usage_with_cache_hit_true(client) -> None:
from app.core.database import SessionLocal
from app.models.provider_usage_log import ProviderUsageLog
from app.services.generation_cache import get_cached_generation, store_generation_cache
with SessionLocal() as db:
store_generation_cache(
db=db,
cache_key="notes:abc",
task_type="notes_generation",
provider="openrouter",
input_hash="abc",
output_text="cached notes",
)
cached = get_cached_generation(
db=db,
cache_key="notes:abc",
task_type="notes_generation",
provider="openrouter",
user_id="usr_demo_student",
)
logs = db.query(ProviderUsageLog).filter(ProviderUsageLog.cache_hit.is_(True)).all()
assert cached is not None
assert len(logs) == 1
assert logs[0].request_units == 0
assert logs[0].estimated_cost_usd == 0
def test_cache_hit_records_usage_when_helper_owns_session(client) -> None:
from app.core.database import SessionLocal
from app.models.provider_usage_log import ProviderUsageLog
from app.services.generation_cache import get_cached_generation, store_generation_cache
store_generation_cache(
cache_key="notes:owned-session",
task_type="notes_generation",
provider="openrouter",
input_hash="owned-session",
output_text="cached notes",
)
cached = get_cached_generation(
cache_key="notes:owned-session",
task_type="notes_generation",
provider="openrouter",
user_id="usr_demo_student",
)
with SessionLocal() as db:
logs = (
db.query(ProviderUsageLog)
.filter(
ProviderUsageLog.task_type == "notes_generation",
ProviderUsageLog.cache_hit.is_(True),
)
.all()
)
assert cached is not None
assert any(log.provider == "openrouter" for log in logs)
|