special galleries: add tests; make special breadcrumb clickable; highlight active special; hide back only

viewer/test_specials.py

@@ -0,0 +1,53 @@
+from pathlib import Path
+import tempfile
+from django.test import TestCase, override_settings
+from django.contrib.auth.models import User
+from django.utils import timezone
+
+from viewer.models import Image as Im
+
+
+class SpecialGalleriesTests(TestCase):
+    def setUp(self):
+        # prepare a temporary gallery root and files
+        self.tmp_gallery = tempfile.TemporaryDirectory()
+        self.gallery_root = Path(self.tmp_gallery.name)
+        self.settings_override = override_settings(GALLERY_ROOT=self.gallery_root)
+        self.settings_override.enable()
+
+        self.user = User.objects.create_user("specuser", "s@example.com", "pw")
+
+        # create files under gallery root
+        now = timezone.now()
+        a = self.gallery_root / "a.jpg"
+        b = self.gallery_root / "b.jpg"
+        c = self.gallery_root / "c.jpg"
+        for p in (a, b, c):
+            p.write_bytes(b"x")
+
+        Im.objects.create(
+            user=self.user, path=str(a), favorite=True, visits=5, last_visited=now
+        )
+        Im.objects.create(
+            user=self.user, path=str(b), favorite=False, visits=10, last_visited=now
+        )
+        Im.objects.create(
+            user=self.user, path=str(c), favorite=True, visits=2, last_visited=now
+        )
+
+    def tearDown(self):
+        self.settings_override.disable()
+        self.tmp_gallery.cleanup()
+
+    def test_get_special_paths_filters_and_orders(self):
+        from viewer.specials import get_special_paths
+
+        favs = get_special_paths(self.user, "favorites")
+        # favorites should include only those marked favorite (a and c)
+        fav_names = sorted([p.name for p in favs])
+        self.assertEqual(fav_names, ["a.jpg", "c.jpg"])
+
+        most = get_special_paths(self.user, "most-visited")
+        # most-visited should be ordered descending by visits, expect b.jpg first
+        self.assertGreaterEqual(len(most), 1)
+        self.assertEqual(most[0].name, "b.jpg")