lttng_ivc/tests/ust_app_tools_update/test_ust_app_vs_ust_tools.py

   1 import pytest
   2 import os
   3 import shutil
   4 import signal
   5 import subprocess
   6
   7 import lttng_ivc.utils.ProjectFactory as ProjectFactory
   8 import lttng_ivc.utils.utils as utils
   9 import lttng_ivc.utils.runtime as Run
  10 import lttng_ivc.settings as Settings
  11
  12 """
  13
  14 FC: Fully Compatible
  15 BC: Feature of the smallest version number will works.
  16 TU: Tracing unavailable
  17
  18 """
  19
  20 """
  21 First tuple member: lttng-ust label
  22 Second tuple member: lttng-tool label
  23 Third tuple member: expected scenario
  24 """
  25
  26 event_registration_error = "Error: UST app recv reg unsupported version"
  27
  28 test_matrix_base_app_tracing_available = [
  29     ("lttng-ust-2.7", "lttng-tools-2.7",   True),
  30     ("lttng-ust-2.7", "lttng-tools-2.8",   True),
  31     ("lttng-ust-2.7", "lttng-tools-2.9",   True),
  32     ("lttng-ust-2.7", "lttng-tools-2.10",  True),
  33     ("lttng-ust-2.8", "lttng-tools-2.7",   True),
  34     ("lttng-ust-2.8", "lttng-tools-2.8",   True),
  35     ("lttng-ust-2.8", "lttng-tools-2.9",   True),
  36     ("lttng-ust-2.8", "lttng-tools-2.10",  True),
  37     ("lttng-ust-2.9", "lttng-tools-2.7",   True),
  38     ("lttng-ust-2.9", "lttng-tools-2.8",   True),
  39     ("lttng-ust-2.9", "lttng-tools-2.9",   True),
  40     ("lttng-ust-2.9", "lttng-tools-2.10",  True),
  41     ("lttng-ust-2.10", "lttng-tools-2.7",  True),
  42     ("lttng-ust-2.10", "lttng-tools-2.8",  True),
  43     ("lttng-ust-2.10", "lttng-tools-2.9",  True),
  44     ("lttng-ust-2.10", "lttng-tools-2.10", True),
  45 ]
  46
  47 runtime_matrix_base_app_tracing_available = []
  48
  49 if not Settings.test_only:
  50     runtime_matrix_base_app_tracing_available = test_matrix_base_app_tracing_available
  51 else:
  52     for tup in test_matrix_base_app_tracing_available:
  53         if (tup[0] in Settings.test_only or tup[1] in
  54                 Settings.test_only):
  55             runtime_matrix_base_app_tracing_available.append(tup)
  56
  57
  58 @pytest.mark.parametrize("ust_label,tools_label,success", runtime_matrix_base_app_tracing_available)
  59 def test_ust_app_tools_update_tracing_available(tmpdir, ust_label, tools_label, success):
  60
  61     nb_events = 100
  62
  63     # Prepare environment
  64     ust = ProjectFactory.get_precook(ust_label)
  65     tools = ProjectFactory.get_precook(tools_label)
  66     babeltrace = ProjectFactory.get_precook(Settings.default_babeltrace)
  67
  68     tools_runtime_path = os.path.join(str(tmpdir), "tools")
  69     ust_runtime_path = os.path.join(str(tmpdir), "ust")
  70     app_path = os.path.join(str(tmpdir), "app")
  71
  72     with Run.get_runtime(ust_runtime_path) as runtime_app, Run.get_runtime(tools_runtime_path) as runtime_tools:
  73         runtime_tools.add_project(tools)
  74         runtime_tools.add_project(babeltrace)
  75
  76         runtime_app.add_project(ust)
  77         runtime_app.lttng_home = runtime_tools.lttng_home
  78
  79         trace_path = os.path.join(runtime_tools.lttng_home, 'trace')
  80
  81         # Make application using the ust runtime
  82         shutil.copytree(Settings.apps_gen_events_folder, app_path)
  83         runtime_app.run("make V=1", cwd=app_path)
  84
  85         # Start lttng-sessiond
  86         sessiond = utils.sessiond_spawn(runtime_tools)
  87
  88         # Create session using mi to get path and session name
  89         runtime_tools.run('lttng create trace --output={}'.format(trace_path))
  90
  91         runtime_tools.run('lttng enable-event -u tp:tptest')
  92         runtime_tools.run('lttng start')
  93
  94         # Run application
  95         cmd = './app {}'.format(nb_events)
  96         runtime_tools.run(cmd, cwd=app_path)
  97
  98         runtime_tools.run("lddtree ./app", cwd=app_path)
  99         runtime_app.run("lddtree ./app", cwd=app_path)
 100
 101         # Stop tracing
 102         runtime_tools.run('lttng stop')
 103         runtime_tools.run('lttng destroy -a')
 104         cp = runtime_tools.subprocess_terminate(sessiond)
 105         if cp.returncode != 0:
 106             pytest.fail("Sessiond return code")
 107
 108
 109         cmd = 'babeltrace {}'.format(trace_path)
 110         if success :
 111             cp_process, cp_out, cp_err = runtime_tools.run(cmd)
 112             assert(utils.line_count(cp_out) == nb_events)
 113         else:
 114             with pytest.raises(subprocess.CalledProcessError):
 115                 cp_process, cp_out, cp_err = runtime_tools.run(cmd)