187 lines
6.4 KiB
Python
187 lines
6.4 KiB
Python
import pytest
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import sys
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from pathlib import Path
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import json
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from unittest.mock import AsyncMock, MagicMock, patch
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sys.path.append(str(Path(__file__).parent.parent))
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from handlers.wgcompany_notifier import WGCompanyNotifier
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@pytest.fixture
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def temp_listings_file(tmp_path):
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"""Fixture to create a temporary wgcompany listings file."""
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file = tmp_path / "wgcompany_listings.json"
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file.write_text("{}", encoding="utf-8")
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return file
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@pytest.fixture
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def temp_timing_file(tmp_path):
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"""Fixture to create a temporary wgcompany timing file."""
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file = tmp_path / "wgcompany_times.csv"
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return file
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@pytest.fixture
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def wgcompany_notifier(temp_listings_file, temp_timing_file, monkeypatch):
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"""Fixture to create a WGCompanyNotifier instance with temporary files."""
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monkeypatch.setattr("handlers.wgcompany_notifier.WGCOMPANY_LISTINGS_FILE", temp_listings_file)
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monkeypatch.setattr("handlers.wgcompany_notifier.WGCOMPANY_TIMING_FILE", temp_timing_file)
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mock_telegram_bot = MagicMock()
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mock_telegram_bot._send_message = AsyncMock()
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return WGCompanyNotifier(telegram_bot=mock_telegram_bot, refresh_minutes=10)
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@pytest.mark.asyncio
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async def test_init_browser(wgcompany_notifier):
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"""Test browser initialization."""
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await wgcompany_notifier.init_browser()
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assert wgcompany_notifier.browser is not None
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assert wgcompany_notifier.context is not None
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await wgcompany_notifier.browser.close()
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def test_load_previous_listings_empty(wgcompany_notifier):
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"""Test loading previous listings when file is empty."""
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listings = wgcompany_notifier.load_previous_listings()
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assert listings == {}
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def test_save_and_load_listings(wgcompany_notifier):
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"""Test saving and loading listings."""
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test_listings = [
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{
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"id": "abc123",
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"rooms": "1 Zimmer (WG)",
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"size": "20 m²",
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"price": "500 €",
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"address": "Kreuzberg",
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"link": "http://example.com/wg1",
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"source": "wgcompany"
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}
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]
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wgcompany_notifier.save_listings(test_listings)
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loaded = wgcompany_notifier.load_previous_listings()
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assert "abc123" in loaded
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assert loaded["abc123"]["price"] == "500 €"
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def test_find_new_listings(wgcompany_notifier):
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"""Test finding new listings."""
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current = [
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{"id": "1", "link": "http://example.com/1"},
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{"id": "2", "link": "http://example.com/2"},
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{"id": "3", "link": "http://example.com/3"}
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]
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previous = {
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"1": {"id": "1", "link": "http://example.com/1"}
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}
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new_listings = wgcompany_notifier.find_new_listings(current, previous)
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assert len(new_listings) == 2
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assert new_listings[0]["id"] == "2"
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assert new_listings[1]["id"] == "3"
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def test_find_new_listings_empty(wgcompany_notifier):
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"""Test finding new listings when all are already seen."""
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current = [
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{"id": "1", "link": "http://example.com/1"}
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]
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previous = {
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"1": {"id": "1", "link": "http://example.com/1"}
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}
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new_listings = wgcompany_notifier.find_new_listings(current, previous)
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assert len(new_listings) == 0
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def test_log_listing_times(wgcompany_notifier, temp_timing_file):
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"""Test logging listing times to CSV."""
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new_listings = [
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{
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"id": "test123",
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"rooms": "1 Zimmer (WG)",
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"size": "20 m²",
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"price": "500 €",
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"address": "Kreuzberg"
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}
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]
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wgcompany_notifier.log_listing_times(new_listings)
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assert temp_timing_file.exists()
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content = temp_timing_file.read_text()
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assert "timestamp" in content
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assert "test123" in content
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@pytest.mark.asyncio
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async def test_notify_new_listings(wgcompany_notifier):
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"""Test notifying new listings via Telegram."""
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new_listings = [
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{
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"id": "test123",
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"rooms": "1 Zimmer (WG)",
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"size": "20 m²",
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"price": "500 €",
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"address": "Kreuzberg",
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"link": "http://example.com/wg1"
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}
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]
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await wgcompany_notifier.notify_new_listings(new_listings)
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wgcompany_notifier.telegram_bot._send_message.assert_called_once()
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call_args = wgcompany_notifier.telegram_bot._send_message.call_args[0][0]
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assert "WGCOMPANY" in call_args
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assert "Kreuzberg" in call_args
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assert "500 €" in call_args
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def test_no_save_on_empty_fetch(wgcompany_notifier):
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"""Test that empty fetch results don't overwrite existing listings."""
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# First save some listings
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existing_listings = [
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{"id": "1", "link": "http://example.com/1", "price": "500 €"},
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{"id": "2", "link": "http://example.com/2", "price": "600 €"}
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]
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wgcompany_notifier.save_listings(existing_listings)
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# Verify they were saved
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loaded = wgcompany_notifier.load_previous_listings()
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assert len(loaded) == 2
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# Simulate empty fetch - should not save
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# The run() method should skip save_listings() when fetch returns 0
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# We test this by ensuring the file is not modified
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import time
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before_mtime = Path(wgcompany_notifier.load_previous_listings.__self__.__class__.__module__).parent / "data" / "wgcompany_listings.json"
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# Just verify the logic directly
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empty_listings = []
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previous = wgcompany_notifier.load_previous_listings()
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# The fix ensures we don't call save_listings([]) if len(listings) == 0
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# This test confirms the loaded data persists
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assert len(previous) == 2
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def test_no_save_on_suspiciously_small_fetch(wgcompany_notifier):
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"""Test that suspiciously small fetch results don't overwrite existing listings."""
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# First save many listings
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existing_listings = [
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{"id": str(i), "link": f"http://example.com/{i}", "price": "500 €"}
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for i in range(100)
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]
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wgcompany_notifier.save_listings(existing_listings)
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# Verify they were saved
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loaded = wgcompany_notifier.load_previous_listings()
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assert len(loaded) == 100
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# Simulate fetching only 10 listings (10% of previous, less than 50% threshold)
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# The run() method should skip save to prevent data loss
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small_fetch = [{"id": str(i), "link": f"http://example.com/{i}", "price": "500 €"} for i in range(10)]
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# The fix checks: len(listings) < len(previous) * 0.5
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# 10 < 100 * 0.5 = 10 < 50 = True, so save should be skipped
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assert len(small_fetch) < len(loaded) * 0.5
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# Verify previous data still intact
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loaded_again = wgcompany_notifier.load_previous_listings()
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assert len(loaded_again) == 100
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