Add node creation test

tracetools_test/CMakeLists.txt

@@ -41,6 +41,7 @@ if(BUILD_TESTING)
 
   # Run each test in its own pytest invocation
   set(_tracetools_test_pytest_tests
+    test/test_node.py
     test/test_publisher.py
     test/test_subscription.py
   )

tracetools_test/test/test_node.py

@@ -0,0 +1,33 @@
+import unittest
+from tracetools_test.utils import (
+    get_trace_event_names,
+    run_and_trace,
+    cleanup_trace,
+)
+
+PKG = 'tracetools_test'
+
+node_creation_events = [
+    'ros2:rcl_init',
+    'ros2:rcl_node_init',
+]
+
+class TestNode(unittest.TestCase):
+
+    def test_creation(self):
+        session_name_prefix = 'session-test-node-creation'
+        base_path = '/tmp'
+        test_node = 'test_publisher'
+
+        exit_code, full_path = run_and_trace(base_path, session_name_prefix, node_creation_events, None, PKG, test_node)
+        self.assertEqual(exit_code, 0)
+
+        trace_events = get_trace_event_names(full_path)
+        print(f'trace_events: {trace_events}')
+        self.assertSetEqual(set(node_creation_events), trace_events)
+
+        cleanup_trace(full_path)
+
+
+if __name__ == '__main__':
+    unittest.main()