mirror of
https://github.com/R0m1k3/Priceflow.git
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130 lines
5.3 KiB
Python
130 lines
5.3 KiB
Python
"""
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Unit tests for scraper module.
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"""
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from unittest.mock import AsyncMock, patch
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import pytest
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from app.services.scraper_service import ScraperService
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class TestScraperInputValidation:
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"""Test input validation in scraper."""
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@pytest.mark.asyncio
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async def test_invalid_scroll_pixels(self, caplog):
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"""Test that invalid scroll_pixels is corrected."""
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with patch("app.services.scraper_service.async_playwright") as mock_playwright:
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# Mock the playwright context
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mock_browser = AsyncMock()
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mock_context = AsyncMock()
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mock_page = AsyncMock()
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mock_page.goto = AsyncMock()
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mock_page.screenshot = AsyncMock()
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mock_context.new_page = AsyncMock(return_value=mock_page)
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mock_browser.new_context = AsyncMock(return_value=mock_context)
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mock_browser.close = AsyncMock()
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mock_pw = AsyncMock()
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mock_pw.chromium.connect_over_cdp = AsyncMock(return_value=mock_browser)
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mock_playwright.return_value.__aenter__.return_value = mock_pw
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# Test with negative scroll_pixels
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await ScraperService.scrape_item("https://example.com", scroll_pixels=-100)
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# Check that warning was logged
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assert "Invalid scroll_pixels value" in caplog.text
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@pytest.mark.asyncio
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async def test_invalid_timeout(self, caplog):
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"""Test that invalid timeout is corrected."""
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with patch("app.services.scraper_service.async_playwright") as mock_playwright:
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mock_browser = AsyncMock()
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mock_context = AsyncMock()
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mock_page = AsyncMock()
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mock_page.goto = AsyncMock()
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mock_page.screenshot = AsyncMock()
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mock_context.new_page = AsyncMock(return_value=mock_page)
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mock_browser.new_context = AsyncMock(return_value=mock_context)
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mock_browser.close = AsyncMock()
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mock_pw = AsyncMock()
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mock_pw.chromium.connect_over_cdp = AsyncMock(return_value=mock_browser)
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mock_playwright.return_value.__aenter__.return_value = mock_pw
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# Test with zero timeout
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await ScraperService.scrape_item("https://example.com", timeout=0)
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# Check that warning was logged
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assert "Invalid timeout value" in caplog.text
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class TestScraperScreenshot:
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"""Test screenshot functionality."""
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@pytest.mark.asyncio
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async def test_screenshot_path_generation(self):
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"""Test that screenshot paths are generated correctly."""
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with patch("app.services.scraper_service.async_playwright") as mock_playwright:
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mock_browser = AsyncMock()
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mock_context = AsyncMock()
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mock_page = AsyncMock()
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mock_page.goto = AsyncMock()
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mock_page.screenshot = AsyncMock()
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mock_page.inner_text = AsyncMock(return_value="test text")
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mock_context.new_page = AsyncMock(return_value=mock_page)
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mock_browser.new_context = AsyncMock(return_value=mock_context)
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mock_browser.close = AsyncMock()
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mock_pw = AsyncMock()
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mock_pw.chromium.connect_over_cdp = AsyncMock(return_value=mock_browser)
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mock_playwright.return_value.__aenter__.return_value = mock_pw
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# Test with item_id
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path, _ = await ScraperService.scrape_item("https://example.com", item_id=123)
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assert path == "screenshots/item_123.png"
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mock_page.screenshot.assert_called_once_with(path="screenshots/item_123.png", full_page=False)
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class TestScraperErrorHandling:
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"""Test error handling in scraper."""
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@pytest.mark.asyncio
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async def test_connection_failure(self):
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"""Test handling of connection failures."""
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with patch("app.services.scraper_service.async_playwright") as mock_playwright:
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mock_pw = AsyncMock()
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mock_pw.chromium.connect_over_cdp = AsyncMock(side_effect=Exception("Connection failed"))
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mock_playwright.return_value.__aenter__.return_value = mock_pw
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# Should return None on error
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result, text = await ScraperService.scrape_item("https://example.com")
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assert result is None
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assert text == ""
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@pytest.mark.asyncio
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async def test_page_load_timeout(self):
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"""Test handling of page load timeout."""
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with patch("app.services.scraper_service.async_playwright") as mock_playwright:
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mock_browser = AsyncMock()
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mock_context = AsyncMock()
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mock_page = AsyncMock()
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mock_page.goto = AsyncMock(side_effect=Exception("Timeout"))
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mock_page.screenshot = AsyncMock() # Should still try to screenshot
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mock_context.new_page = AsyncMock(return_value=mock_page)
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mock_browser.new_context = AsyncMock(return_value=mock_context)
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mock_browser.close = AsyncMock()
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mock_pw = AsyncMock()
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mock_pw.chromium.connect_over_cdp = AsyncMock(return_value=mock_browser)
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mock_playwright.return_value.__aenter__.return_value = mock_pw
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# Should continue and try to screenshot
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await ScraperService.scrape_item("https://example.com", item_id=1)
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# Even with timeout, should attempt screenshot
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mock_page.screenshot.assert_called_once()
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