restore test

Author: alexander-alderman-webb

tests/integrations/rust_tracing/test_rust_tracing.py

@@ -193,6 +193,25 @@ def test_nested_on_new_span_on_close(
     assert second_span_data["version"] == "None"
 
 
+def test_on_new_span_without_active_span(sentry_init):
+    rust_tracing = FakeRustTracing()
+    integration = RustTracingIntegration(
+        "test_on_new_span_without_active_span", rust_tracing.set_layer_impl
+    )
+    sentry_init(
+        integrations=[integration],
+        traces_sample_rate=1.0,
+        trace_lifecycle="stream",
+    )
+
+    assert sentry_sdk.traces.get_current_span() is None
+
+    # In streaming mode we do not create an orphan root segment when there
+    # is no active span
+    rust_tracing.new_span(RustTracingLevel.Info, 3)
+    assert sentry_sdk.traces.get_current_span() is None
+
+
 def test_on_event_exception(
     sentry_init,
     capture_items,