Remove django-shorturls with my own implementation, since it's incompatible with Django 2 and unmaintained

lemonshort/tests/convert.py

@@ -0,0 +1,30 @@
+from .. import convert
+
+
+def test_abc_to_id():
+    samples = {
+        'A': 0,
+        'B': 1,
+        'Y': 24,
+        'a': 26,
+        'b': 27,
+        'y': 50,
+        'BA': 52,
+        'BAB': 2705,
+    }
+    for abc, id in samples.items():
+        assert convert.abc_to_id(abc) == id
+
+
+def test_id_to_abc():
+    samples = {
+        1: 'B',
+        24: 'Y',
+        26: 'a',
+        52: 'BA',
+        78: 'Ba',
+        104: 'CA',
+        130: 'Ca',
+    }
+    for id, abc in samples.items():
+        assert convert.id_to_abc(id) == abc