Tests: add duplicated providers tests

[lttng-tools.git] / tests / regression / ust / linking / test_linking.py

diff --git a/tests/regression/ust/linking/test_linking.py b/tests/regression/ust/linking/test_linking.py
index 29128aa29d047266422dac520f4123393a5a519b..44940f74948aea0b4eefe37e99271f42ec251b77 100644 (file)
--- a/tests/regression/ust/linking/test_linking.py
+++ b/tests/regression/ust/linking/test_linking.py
@@ -110,14 +110,15 @@ if DYNAMIC_TEST_ENABLED:
     start_session(session_info)
 
     # Dry run, no events should be logged
-    demo_process = subprocess.Popen(test_path + "demo", stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    demo_process = subprocess.Popen(test_path + "demo", stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
     demo_process.wait()
     stop_session(session_info)
 
     print_test_result(demo_process.returncode == 0, current_test,\
                           "Running application dynamically linked to providers, no preload")
     current_test += 1
-    print_test_result(not os.path.exists(session_info.trace_path), current_test,\
+    trace_path = os.path.join(session_info.trace_path, "ust", "uid")
+    print_test_result(not os.path.exists(trace_path), current_test,\
                           "No events logged when running demo application without preloading providers")
     current_test += 1
 
@@ -129,7 +130,7 @@ for executable in test_executables:
     enable_ust_tracepoint_event(session_info, "ust_tests_demo*")
     start_session(session_info)
 
-    demo_process = subprocess.Popen(executable, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    demo_process = subprocess.Popen(executable, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
     demo_process.wait()
     stop_session(session_info)