lttng_ivc/tests/tools_liblttng-ctl_vs_sessiond/test_tools_liblttng-ctl_vs_sessiond.py

   1 import pytest
   2 import os
   3
   4 import lttng_ivc.utils.ProjectFactory as ProjectFactory
   5 import lttng_ivc.utils.utils as utils
   6 import lttng_ivc.utils.runtime as Run
   7 import lttng_ivc.settings as Settings
   8
   9 """
  10 Backward compatibility testing for lttng-ctl
  11 """
  12
  13 """
  14 First tuple member: lttng-tools label from which the client (lttng bin) is sourced
  15 Second tuple member: lttng-tools label for runtime sessiond and lttng-ctl
  16 Third tuple member: expected scenario
  17 """
  18
  19 test_matrix_basic_listing = [
  20     ("lttng-tools-2.7", "lttng-tools-2.7",   "Success"),
  21     ("lttng-tools-2.7", "lttng-tools-2.8",   "Success"),
  22     ("lttng-tools-2.7", "lttng-tools-2.9",   "Success"),
  23     ("lttng-tools-2.7", "lttng-tools-2.10",  "Success"),
  24     ("lttng-tools-2.8", "lttng-tools-2.7",   "Missing symbol"),
  25     ("lttng-tools-2.8", "lttng-tools-2.8",   "Success"),
  26     ("lttng-tools-2.8", "lttng-tools-2.9",   "Success"),
  27     ("lttng-tools-2.8", "lttng-tools-2.10",  "Success"),
  28     ("lttng-tools-2.9", "lttng-tools-2.7",   "Missing symbol"),
  29     ("lttng-tools-2.9", "lttng-tools-2.8",   "Missing symbol"),
  30     ("lttng-tools-2.9", "lttng-tools-2.9",   "Success"),
  31     ("lttng-tools-2.9", "lttng-tools-2.10",  "Success"),
  32     ("lttng-tools-2.10", "lttng-tools-2.7",  "Missing symbol"),
  33     ("lttng-tools-2.10", "lttng-tools-2.8",  "Missing symbol"),
  34     ("lttng-tools-2.10", "lttng-tools-2.9",  "Missing symbol"),
  35     ("lttng-tools-2.10", "lttng-tools-2.10", "Success"),
  36 ]
  37
  38 runtime_matrix_basic_listing = []
  39
  40 if not Settings.test_only:
  41     runtime_matrix_basic_listing = test_matrix_basic_listing
  42 else:
  43     for tup in test_matrix_basic_listing:
  44         if (tup[0] in Settings.test_only or tup[1] in
  45                 Settings.test_only):
  46             runtime_matrix_basic_listing.append(tup)
  47
  48 @pytest.mark.parametrize("client_label,tools_label,outcome", runtime_matrix_basic_listing)
  49 def test_tools_liblttng_ctl_vs_sessiond_basic_listing(tmpdir, client_label, tools_label, outcome):
  50
  51     # Prepare environment
  52     client = ProjectFactory.get_precook(client_label)
  53     tools = ProjectFactory.get_precook(tools_label)
  54
  55     tools_runtime_path = os.path.join(str(tmpdir), "tools")
  56
  57     lttng_client = os.path.join(client.installation_path, "bin/lttng")
  58
  59     with Run.get_runtime(tools_runtime_path) as runtime_tools:
  60         runtime_tools.add_project(tools)
  61
  62         sessiond = utils.sessiond_spawn(runtime_tools)
  63
  64         cp, out, err = runtime_tools.run('{} create trace'.format(lttng_client), check_return=False)
  65         if outcome == "Missing symbol":
  66             assert(cp.returncode != 0)
  67             assert(utils.file_contains(err, "Missing symbol"))
  68             return
  69
  70         assert(cp.returncode == 0)
  71
  72         runtime_tools.run('lttng enable-event -u tp:tptest')
  73         runtime_tools.run('lttng start')
  74
  75         # Stop tracing
  76         runtime_tools.run('lttng stop')
  77         runtime_tools.run('lttng destroy -a')
  78         cp = runtime_tools.subprocess_terminate(sessiond)
  79         if cp.returncode != 0:
  80             pytest.fail("Sessiond return code")