Prepare mobile de parser preview

tests/test_utils.py

@@ -0,0 +1,113 @@
+from __future__ import annotations
+
+import unittest
+
+from iaai_scraper.core.utils import deep_find_key
+from iaai_scraper.core.config import (
+    IAAI_DEFAULT_MAKES,
+    _LARGE_MAKES,
+    _YEAR_SPLITS,
+    ProxyConfig,
+    build_listing_segments_for_makes,
+    parse_listing_segments,
+)
+
+
+class TestDeepFindKey(unittest.TestCase):
+    def test_finds_nested_and_respects_depth(self) -> None:
+        payload = {
+            "root": {
+                "target": "a",
+                "nested": [{"target": "b"}, {"x": 1}],
+            }
+        }
+        self.assertEqual(deep_find_key(payload, {"target"}), ["a", "b"])
+
+        deep_payload = {"l1": {"l2": {"l3": {"target": "value"}}}}
+        self.assertEqual(deep_find_key(deep_payload, {"target"}, max_depth=2), [])
+        self.assertEqual(deep_find_key(deep_payload, {"target"}, max_depth=8), ["value"])
+
+
+class TestParseListingSegments(unittest.TestCase):
+    def test_empty_and_invalid_return_empty(self) -> None:
+        self.assertEqual(parse_listing_segments(""), [])
+        self.assertEqual(parse_listing_segments("  "), [])
+        self.assertEqual(parse_listing_segments("invalid"), [])
+
+    def test_auto_segments_complete_coverage(self) -> None:
+        """auto: все бренды покрыты, крупные разбиты по годам, годы без дыр."""
+        segs = parse_listing_segments("auto")
+
+        # Точное число сегментов.
+        expected = len(_LARGE_MAKES) * len(_YEAR_SPLITS) + (len(IAAI_DEFAULT_MAKES) - len(_LARGE_MAKES))
+        self.assertEqual(len(segs), expected)
+
+        # Все бренды из списка присутствуют.
+        makes_in_segments = {s["make"] for s in segs}
+        for make in IAAI_DEFAULT_MAKES:
+            self.assertIn(make, makes_in_segments)
+
+        # Крупные бренды разбиты на 3 сегмента с годами.
+        toyota = [s for s in segs if s["make"] == "TOYOTA"]
+        self.assertEqual(len(toyota), 3)
+        for s in toyota:
+            self.assertIsNotNone(s["year_min"])
+
+        # Мелкие бренды без годов.
+        lexus = [s for s in segs if s["make"] == "LEXUS"]
+        self.assertEqual(len(lexus), 1)
+        self.assertIsNone(lexus[0]["year_min"])
+
+        # Годовые диапазоны покрывают 1950-2027.
+        years = set()
+        for yr_min, yr_max in _YEAR_SPLITS:
+            years.update(range(yr_min, yr_max + 1))
+        for year in range(1950, 2027):
+            self.assertIn(year, years)
+
+    def test_json_input_formats(self) -> None:
+        # Массив строк.
+        segs = parse_listing_segments('["toyota", "ford"]')
+        self.assertEqual(len(segs), 2)
+        self.assertEqual(segs[0]["make"], "TOYOTA")
+
+        # Массив объектов с годами.
+        segs = parse_listing_segments('[{"make":"BMW","year_min":2020,"year_max":2025}]')
+        self.assertEqual(segs[0]["make"], "BMW")
+        self.assertEqual(segs[0]["year_min"], 2020)
+        self.assertEqual(segs[0]["year_max"], 2025)
+
+    def test_build_listing_segments_for_makes(self) -> None:
+        segs = build_listing_segments_for_makes(["toyota", "Lexus", "TOYOTA", " "])
+
+        toyota = [s for s in segs if s["make"] == "TOYOTA"]
+        lexus = [s for s in segs if s["make"] == "LEXUS"]
+
+        self.assertEqual(len(toyota), len(_YEAR_SPLITS))
+        self.assertEqual(len(lexus), 1)
+        self.assertIsNone(lexus[0]["year_min"])
+
+
+class TestProxyConfig(unittest.TestCase):
+    def test_requests_proxy_url_includes_encoded_credentials(self) -> None:
+        cfg = ProxyConfig(
+            server="http://144.31.139.6:3128",
+            username="carsproxy",
+            password="pass@word:with/slash",
+        )
+
+        self.assertEqual(
+            cfg.to_requests_proxy_url(),
+            "http://carsproxy:pass%40word%3Awith%2Fslash@144.31.139.6:3128",
+        )
+        self.assertEqual(
+            cfg.to_requests_proxies(),
+            {
+                "http": "http://carsproxy:pass%40word%3Awith%2Fslash@144.31.139.6:3128",
+                "https": "http://carsproxy:pass%40word%3Awith%2Fslash@144.31.139.6:3128",
+            },
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()