Tests: Add "exit-fast" ust regression test

[lttng-tools.git] / tests / regression / ust / exit-fast / test_exit-fast.py

diff --git a/tests/regression/ust/exit-fast/test_exit-fast.py b/tests/regression/ust/exit-fast/test_exit-fast.py
new file mode 100644 (file)
index 0000000..71ae7d3
--- /dev/null
+++ b/tests/regression/ust/exit-fast/test_exit-fast.py
@@ -0,0 +1,111 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) - 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License, version 2 only, as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc., 51
+# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import os
+import subprocess
+import re
+import shutil
+import sys
+
+test_path = os.path.dirname(os.path.abspath(__file__)) + "/"
+test_utils_path = test_path
+for i in range(4):
+    test_utils_path = os.path.dirname(test_utils_path)
+test_utils_path = test_utils_path + "/utils"
+sys.path.append(test_utils_path)
+from test_utils import *
+
+
+normal_exit_message = "exit-fast tracepoint normal exit"
+suicide_exit_message = "exit-fast tracepoint suicide"
+NR_TESTS = 5
+current_test = 1
+print("1..{0}".format(NR_TESTS))
+
+# Check if a sessiond is running... bail out if none found.
+if session_daemon_alive() == 0:
+    bail("No sessiond running. Please make sure you are running this test with the \"run\" shell script and verify that the lttng tools are properly installed.")
+
+session_info = create_session()
+enable_ust_tracepoint_event(session_info, "ust_tests_exitfast*")
+start_session(session_info)
+
+test_env = os.environ.copy()
+test_env["LTTNG_UST_REGISTER_TIMEOUT"] = "-1"
+
+exit_fast_process = subprocess.Popen(test_path + "exit-fast", stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=test_env)
+
+if sys.version_info >= (3, 3):
+    try:
+        exit_fast_process.wait(5)
+    except TimeoutExpired:
+        exit_fast_process.kill()
+        bail("Failed to run exit-fast test application.")
+else:
+    exit_fast_process.wait()
+
+print_test_result(exit_fast_process.returncode == 0, current_test, "Test application exited normally")
+current_test += 1
+
+exit_fast_process = subprocess.Popen([test_path + "exit-fast", "suicide"], stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=test_env)
+
+if sys.version_info >= (3, 3):
+    try:
+        exit_fast_process.wait(5)
+    except TimeoutExpired:
+        exit_fast_process.kill()
+        bail("Failed to run exit-fast test application in suicide mode.")
+else:
+    exit_fast_process.wait()
+
+stop_session(session_info)
+
+# Check both events (normal exit and suicide messages) are present in the resulting trace
+try:
+    babeltrace_process = subprocess.Popen(["babeltrace", session_info.trace_path], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+except FileNotFoundError:
+    bail("Could not open babeltrace. Please make sure it is installed.")
+
+event_lines = []
+for event_line in babeltrace_process.stdout:
+    event_line = event_line.decode('utf-8').replace("\n", "")
+    event_lines.append(event_line)
+babeltrace_process.wait()
+
+print_test_result(babeltrace_process.returncode == 0, current_test, "Resulting trace is readable")
+current_test += 1
+
+if babeltrace_process.returncode != 0:
+    bail("Unreadable trace; can't proceed with analysis.")
+
+print_test_result(len(event_lines) == 2, current_test, "Correct number of events found in resulting trace")
+current_test += 1
+
+if len(event_lines) != 2:
+    bail("Unexpected number of events found in resulting trace (" + session_info.trace_path + ")." )
+
+match = re.search(r".*message = \"(.*)\"", event_lines[0])
+print_test_result(match is not None and match.group(1) == normal_exit_message, current_test,\
+                      "Tracepoint message generated during normal exit run is present in trace and has the expected value")
+current_test += 1
+
+match = re.search(r".*message = \"(.*)\"", event_lines[1])
+print_test_result(match is not None and match.group(1) == suicide_exit_message, current_test,\
+                      "Tracepoint message generated during suicide run is present in trace and has the expected value")
+current_test += 1
+
+shutil.rmtree(session_info.tmp_directory)