fix: show the real source file for MATLAB and Java nodes in concore watch

concore_cli/commands/watch.py

@@ -192,12 +192,15 @@ def _read_edge_files(edge_path):
     return results
 
 
+_RUNTIME_FILES = {"import_concore.m", "ConcoreJavaRuntimeCore.java"}
+
+
 def _detect_source(node_path):
     for ext in ("*.py", "*.m", "*.cpp", "*.v", "*.sh", "*.java"):
         matches = list(node_path.glob(ext))
         for m in matches:
             # skip concore library copies
-            if m.name.startswith("concore"):
+            if m.name.startswith("concore") or m.name in _RUNTIME_FILES:
                 continue
             return m.name
     return "—"

tests/test_cli.py

@@ -918,6 +918,21 @@ def test_watch_file_instead_of_dir_exits_nonzero(self):
             self.assertEqual(result.exit_code, 1)
             self.assertIn("is not a directory", result.output)
 
+    def test_watch_skips_runtime_files_when_detecting_source(self):
+        from concore_cli.commands.watch import _detect_source
+
+        cases = {
+            "pidM.m": ["import_concore.m", "concore_read.m"],
+            "Plant.java": ["ConcoreJavaRuntimeCore.java", "concoredocker.java"],
+        }
+        for source, runtime_files in cases.items():
+            with self.subTest(source=source):
+                node = Path(self.temp_dir) / source.split(".")[0]
+                node.mkdir()
+                for name in [source] + runtime_files:
+                    (node / name).write_text("")
+                self.assertEqual(_detect_source(node), source)
+
 
 if __name__ == "__main__":
     unittest.main()