Files
web-page-backend/insta-lab/tests/test_extract_with_weights.py

72 lines
2.1 KiB
Python

import os
import gc
import tempfile
from unittest.mock import patch
import pytest
from app import db as db_module
from app import keyword_extractor
@pytest.fixture
def tmp_db(monkeypatch):
fd, path = tempfile.mkstemp(suffix=".db")
os.close(fd)
monkeypatch.setattr(db_module, "DB_PATH", path)
db_module.init_db()
yield path
gc.collect()
for ext in ("", "-wal", "-shm"):
try:
os.remove(path + ext)
except OSError:
pass
def test_extract_with_weights_proportional(tmp_db, monkeypatch):
calls = []
def fake_extract(category, limit):
calls.append((category, limit))
return [{"id": i, "keyword": f"{category}{i}", "category": category, "score": 0.5}
for i in range(limit)]
monkeypatch.setattr(keyword_extractor, "extract_for_category", fake_extract)
out = keyword_extractor.extract_with_weights(
{"economy": 0.6, "psychology": 0.3, "celebrity": 0.1}, total_limit=10,
)
by_cat = {c: l for c, l in calls}
assert by_cat == {"economy": 6, "psychology": 3, "celebrity": 1}
assert len(out) == 10
def test_extract_with_weights_skips_zero(tmp_db, monkeypatch):
calls = []
def fake_extract(category, limit):
calls.append((category, limit))
return []
monkeypatch.setattr(keyword_extractor, "extract_for_category", fake_extract)
keyword_extractor.extract_with_weights(
{"economy": 1.0, "celebrity": 0.0}, total_limit=10,
)
cats_called = [c for c, _ in calls]
assert "celebrity" not in cats_called
assert "economy" in cats_called
def test_extract_with_weights_fallback_to_equal(tmp_db, monkeypatch):
calls = []
def fake_extract(category, limit):
calls.append((category, limit))
return []
monkeypatch.setattr(keyword_extractor, "extract_for_category", fake_extract)
keyword_extractor.extract_with_weights({}, total_limit=9)
by_cat = {c: l for c, l in calls}
assert set(by_cat.keys()) == {"economy", "psychology", "celebrity"}
assert all(l == 3 for l in by_cat.values())