adds Report test

tests/pokedex/db/test_models.py

@@ -0,0 +1,21 @@
+import json
+from unittest import TestCase
+
+from pokedex.db.models import Report
+
+
+class TestReport(TestCase):
+
+    def test_report_representation(self):
+        results = {
+            "https://pokeapi.co/api/v2/pokemon/1/": True,
+            "https://pokeapi.co/api/v2/pokemon/2/": True,
+            "https://pokeapi.co/api/v2/pokemon/3/": False,
+        }
+        report = Report(persisted=results)
+        expected_report = json.dumps(
+            {"persisted": results, "count": len(results)},
+            indent=4
+        )
+
+        assert str(report) == expected_report