Make sim-check output more user-friendly

Author: robtaylor

tools/json_compare.py

@@ -16,13 +16,18 @@ def main():
         gold = json.load(f)
     with open(gate_path, "r") as f:
         gate = json.load(f)
-    assert len(gold["events"]) == len(gate["events"]), f"mismatch: {len(gold['events'])} events in reference, {len(gate['events'])} in test output"
+    if len(gold["events"]) != len(gate["events"]):
+        print(f"Failed! Event mismatch: {len(gold['events'])} events in reference, {len(gate['events'])} in test output")
+        return 1
     for ev_gold, ev_gate in zip(gold["events"], gate["events"]):
-        for field in ("peripheral", "event", "payload"):
-            assert ev_gold["peripheral"] == ev_gate["peripheral"] and ev_gold["event"] == ev_gate["event"] and ev_gold["payload"] == ev_gate["payload"], \
-                f"reference event {ev_gold} mismatches test event {ev_gate} beyond timestamp"
-    print("Event logs are identical")
+        if ev_gold["peripheral"] != ev_gate["peripheral"] or \
+           ev_gold["event"] != ev_gate["event"] or \
+           ev_gold["payload"] != ev_gate["payload"]:
+            print(f"Failed! Reference event {ev_gold} mismatches test event {ev_gate}")
+            return 1
 
+    print("Success! Event logs are identical")
+    return 0
 
 if __name__ == "__main__":
     main()