from magento.sync_service import _duplicate_axis_signatures, _image_content_type def test_duplicate_axis_signatures_detects_children_with_same_axis_values(): duplicates = _duplicate_axis_signatures( ["CSG-WDC2436MI", "CSG-WDC2436RIGHT", "CSG-WDC3042"], [ {"height": "36", "width": "24"}, {"height": "36", "width": "24"}, {"height": "42", "width": "30"}, ], ["width", "height"], ) assert duplicates == [ { "axis_values": {"width": "24", "height": "36"}, "children": ["CSG-WDC2436MI", "CSG-WDC2436RIGHT"], } ] def test_image_content_type_rejects_html_and_executable_payloads(): assert _image_content_type("https://example.test/x.jpg", b"")[2] == ( "download returned HTML, not an image" ) assert _image_content_type("https://example.test/x.jpg", b"MZfake-binary")[2] == ( "downloaded content looks executable/archive-like, not an image" ) def test_image_content_type_prefers_bytes_over_url_extension(): ext, mime, error = _image_content_type("https://example.test/wrong.jpg", b"\x89PNG\r\n\x1a\nrest") assert error is None assert ext == "png" assert mime == "image/png"