Prepare mobile de parser preview

tests/test_listing.py

@@ -0,0 +1,68 @@
+from __future__ import annotations
+
+import unittest
+
+from iaai_scraper.browser.pace import HumanPacer
+from iaai_scraper.core.config import Settings
+from iaai_scraper.browser.listing import ListingCollector
+
+
+class _FakePage:
+    def __init__(self, counts: dict[str, int]) -> None:
+        self._counts = counts
+        self._evaluate_result = False
+        self._evaluate_values: list[object] = []
+
+    class _Locator:
+        def __init__(self, count_value: int) -> None:
+            self._count_value = count_value
+
+        def count(self) -> int:
+            return self._count_value
+
+    def locator(self, selector: str) -> "_FakePage._Locator":
+        return _FakePage._Locator(self._counts.get(selector, 0))
+
+    def evaluate(self, _script: str):
+        if self._evaluate_values:
+            return self._evaluate_values.pop(0)
+        return self._evaluate_result
+
+
+class TestListingUnit(unittest.TestCase):
+    def test_pagination_detection_and_page_number(self) -> None:
+        # Есть кнопка Next → True.
+        self.assertTrue(ListingCollector._has_next_page(_FakePage({"a[aria-label*='Next']":  1})))
+        # Нет селекторов → False.
+        self.assertFalse(ListingCollector._has_next_page(_FakePage({})))
+        # Числовая пагинация через JS → True только если evaluate явно нашёл next.
+        page = _FakePage({})
+        page._evaluate_result = True
+        self.assertTrue(ListingCollector._has_next_page(page))
+        # Номер текущей страницы.
+        page2 = _FakePage({})
+        page2._evaluate_values = [5]
+        self.assertEqual(ListingCollector._get_current_page_number(page2), 5)
+
+    def test_extract_vehicle_links_from_html_finds_detail_urls(self) -> None:
+        collector = ListingCollector(Settings(), HumanPacer(Settings()))
+        html = """
+        <div>
+            <h4><a href=\"/VehicleDetail/45184893~US\">Car 1</a></h4>
+            <script>window.__data = {\"href\":\"\\/VehicleDetail\\/45171480~US\"}</script>
+        </div>
+        """
+
+        links = collector._extract_vehicle_links_from_html(html)
+
+        self.assertEqual(
+            links,
+            [
+                ("https://www.iaai.com/VehicleDetail/45184893~US", "45184893"),
+                ("https://www.iaai.com/VehicleDetail/45171480~US", "45171480"),
+            ],
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()