Plot Slop Cannon Season Zero collaboration chain

tests/test_cannon_canon.py

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+import json
+import unittest
+from pathlib import Path
+
+
+CANON = Path(__file__).parents[1] / "projects" / "slop-cannon" / "canon.json"
+
+
+class CannonCanonTests(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        cls.data = json.loads(CANON.read_text())
+
+    def test_four_unique_pilot_forms(self):
+        forms = self.data["forms"]
+        self.assertEqual(len(forms), 4)
+        self.assertEqual(len({form["id"] for form in forms}), 4)
+        for form in forms:
+            self.assertTrue(form["power"])
+            self.assertTrue(form["cost"])
+            self.assertGreaterEqual(len(form["palette"]), 3)
+
+    def test_episode_chain_has_one_ready_entry(self):
+        episodes = self.data["episodes"]
+        self.assertEqual(episodes[0]["id"], self.data["current_episode"])
+        self.assertEqual([ep["state"] for ep in episodes].count("ready"), 1)
+        self.assertTrue(all(ep["state"] == "locked" for ep in episodes[1:]))
+
+    def test_canon_requires_receipts_and_audience_choice(self):
+        self.assertIn("receipt", " ".join(self.data["laws"]).lower())
+        self.assertIn("audience", " ".join(self.data["laws"]).lower())
+        self.assertIsNone(self.data["audience_choice"])
+        self.assertEqual(self.data["receipts"], [])
+
+
+if __name__ == "__main__":
+    unittest.main()