galaxy: add a full galaxy state test

.gitignore

@@ -11,6 +11,7 @@ dist/
 env/
 doc/html
 data/
+galaxy/test_galaxy_state.json
 /static/
 sith/settings_custom.py
 sith/search_indexes/

galaxy/ref_galaxy_state.json

@@ -0,0 +1 @@
+{"nodes": [{"id": 11, "name": "Com Unity", "mass": 1}, {"id": 0, "name": "Bibou ", "mass": 9}, {"id": 1, "name": "S' Kia", "mass": 10}, {"id": 3, "name": "Subscribed User", "mass": 8}, {"id": 6, "name": "Compte Able", "mass": 8}, {"id": 8, "name": "Richard Batsbak", "mass": 10}, {"id": 9, "name": "S Li", "mass": 8}, {"id": 10, "name": "Kro Phil'", "mass": 2}], "links": [{"source": 10, "target": 1, "value": 12}, {"source": 1, "target": 10, "value": 12}, {"source": 10, "target": 8, "value": 14}, {"source": 8, "target": 10, "value": 14}, {"source": 10, "target": 9, "value": 74}, {"source": 9, "target": 10, "value": 74}, {"source": 9, "target": 1, "value": 3}, {"source": 1, "target": 9, "value": 3}, {"source": 8, "target": 1, "value": 14}, {"source": 1, "target": 8, "value": 14}, {"source": 8, "target": 3, "value": 3}, {"source": 3, "target": 8, "value": 3}, {"source": 8, "target": 6, "value": 3}, {"source": 6, "target": 8, "value": 3}, {"source": 1, "target": 0, "value": 1}, {"source": 0, "target": 1, "value": 1}]}

galaxy/tests.py

@@ -22,6 +22,10 @@
 #
 #
 
+import json
+
+from pathlib import Path
+
 from django.test import TestCase
 from django.core.management import call_command
 
@@ -143,3 +147,18 @@ class GalaxyTest(TestCase):
         self.client.login(username="root", password="plop")
         response = self.client.get("/galaxy/2/")
         self.assertEquals(response.status_code, 404)
+
+    def test_full_galaxy_state(self):
+        Galaxy.rule()
+        Galaxy.make_state()
+        state = Galaxy.objects.first().state
+
+        galaxy_dir = Path(__file__).parent
+
+        # Dump computed state, either for easier debugging, or to copy as new reference if changes are legit
+        (galaxy_dir / "test_galaxy_state.json").write_text(json.dumps(state))
+
+        self.assertEqual(
+            state,
+            json.loads((galaxy_dir / "ref_galaxy_state.json").read_text()),
+        )