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Date:   Thu,  6 Dec 2018 17:42:26 -0500
From:   Lucas Bates <lucasb@...atatu.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, dcaratti@...hat.com, vladbu@...lanox.com,
        marcelo.leitner@...il.com, hadi@...atatu.com, kernel@...atatu.com,
        Lucas Bates <lucasb@...atatu.com>
Subject: [PATCH net-next 3/4] tc-testing: Implement the TdcResults module in tdc

In tdc and the valgrind plugin, begin using the TdcResults module
to track executed test cases.

Signed-off-by: Lucas Bates <lucasb@...atatu.com>
---
 tools/testing/selftests/tc-testing/TdcPlugin.py    |   3 +-
 .../tc-testing/plugin-lib/valgrindPlugin.py        |  22 +++-
 tools/testing/selftests/tc-testing/tdc.py          | 117 ++++++++++++---------
 3 files changed, 91 insertions(+), 51 deletions(-)

diff --git a/tools/testing/selftests/tc-testing/TdcPlugin.py b/tools/testing/selftests/tc-testing/TdcPlugin.py
index 3ee9a6d..1d9e279 100644
--- a/tools/testing/selftests/tc-testing/TdcPlugin.py
+++ b/tools/testing/selftests/tc-testing/TdcPlugin.py
@@ -18,11 +18,12 @@ class TdcPlugin:
         if self.args.verbose > 1:
             print(' -- {}.post_suite'.format(self.sub_class))
 
-    def pre_case(self, test_ordinal, testid):
+    def pre_case(self, test_ordinal, testid, test_name):
         '''run commands before test_runner does one test'''
         if self.args.verbose > 1:
             print(' -- {}.pre_case'.format(self.sub_class))
         self.args.testid = testid
+        self.args.test_name = test_name
         self.args.test_ordinal = test_ordinal
 
     def post_case(self):
diff --git a/tools/testing/selftests/tc-testing/plugin-lib/valgrindPlugin.py b/tools/testing/selftests/tc-testing/plugin-lib/valgrindPlugin.py
index 477a7bd..e00c798 100644
--- a/tools/testing/selftests/tc-testing/plugin-lib/valgrindPlugin.py
+++ b/tools/testing/selftests/tc-testing/plugin-lib/valgrindPlugin.py
@@ -11,6 +11,7 @@ from string import Template
 import subprocess
 import time
 from TdcPlugin import TdcPlugin
+from TdcResults import *
 
 from tdc_config import *
 
@@ -21,6 +22,7 @@ class SubPlugin(TdcPlugin):
     def __init__(self):
         self.sub_class = 'valgrind/SubPlugin'
         self.tap = ''
+        self._tsr = TestSuiteReport()
         super().__init__()
 
     def pre_suite(self, testcount, testidlist):
@@ -34,10 +36,14 @@ class SubPlugin(TdcPlugin):
     def post_suite(self, index):
         '''run commands after test_runner goes into a test loop'''
         super().post_suite(index)
-        self._add_to_tap('\n|---\n')
         if self.args.verbose > 1:
             print('{}.post_suite'.format(self.sub_class))
-        print('{}'.format(self.tap))
+        #print('{}'.format(self.tap))
+        for xx in range(index - 1, self.testcount):
+            res = TestResult('{}-mem'.format(self.testidlist[xx]), 'Test skipped')
+            res.set_result(ResultState.skip)
+            res.set_errormsg('Skipped because of prior setup/teardown failure')
+            self._add_results(res)
         if self.args.verbose < 4:
             subprocess.check_output('rm -f vgnd-*.log', shell=True)
 
@@ -128,8 +134,17 @@ class SubPlugin(TdcPlugin):
                 nle_num = int(nle_mo.group(1))
 
         mem_results = ''
+        res = TestResult('{}-mem'.format(self.args.testid),
+              '{} memory leak check'.format(self.args.test_name))
         if (def_num > 0) or (ind_num > 0) or (pos_num > 0) or (nle_num > 0):
             mem_results += 'not '
+            res.set_result(ResultState.fail)
+            res.set_failmsg('Memory leak detected')
+            res.append_failmsg(content)
+        else:
+            res.set_result(ResultState.success)
+
+        self._add_results(res)
 
         mem_results += 'ok {} - {}-mem # {}\n'.format(
             self.args.test_ordinal, self.args.testid, 'memory leak check')
@@ -138,5 +153,8 @@ class SubPlugin(TdcPlugin):
             print('{}'.format(content))
             self._add_to_tap(content)
 
+    def _add_results(self, res):
+        self._tsr.add_resultdata(res)
+
     def _add_to_tap(self, more_tap_output):
         self.tap += more_tap_output
diff --git a/tools/testing/selftests/tc-testing/tdc.py b/tools/testing/selftests/tc-testing/tdc.py
index b862ee5..e6e4ce8 100755
--- a/tools/testing/selftests/tc-testing/tdc.py
+++ b/tools/testing/selftests/tc-testing/tdc.py
@@ -23,6 +23,7 @@ from tdc_config import *
 from tdc_helper import *
 
 import TdcPlugin
+from TdcResults import *
 
 
 class PluginMgrTestFail(Exception):
@@ -60,10 +61,10 @@ class PluginMgr:
         for pgn_inst in reversed(self.plugin_instances):
             pgn_inst.post_suite(index)
 
-    def call_pre_case(self, test_ordinal, testid):
+    def call_pre_case(self, test_ordinal, testid, test_name):
         for pgn_inst in self.plugin_instances:
             try:
-                pgn_inst.pre_case(test_ordinal, testid)
+                pgn_inst.pre_case(test_ordinal, testid, test_name)
             except Exception as ee:
                 print('exception {} in call to pre_case for {} plugin'.
                       format(ee, pgn_inst.__class__))
@@ -102,7 +103,6 @@ class PluginMgr:
         self.argparser = argparse.ArgumentParser(
             description='Linux TC unit tests')
 
-
 def replace_keywords(cmd):
     """
     For a given executable command, substitute any known
@@ -187,6 +187,7 @@ def run_one_test(pm, args, index, tidx):
     result = True
     tresult = ""
     tap = ""
+    res = TestResult(tidx['id'], tidx['name'])
     if args.verbose > 0:
         print("\t====================\n=====> ", end="")
     print("Test " + tidx["id"] + ": " + tidx["name"])
@@ -194,7 +195,7 @@ def run_one_test(pm, args, index, tidx):
     # populate NAMES with TESTID for this test
     NAMES['TESTID'] = tidx['id']
 
-    pm.call_pre_case(index, tidx['id'])
+    pm.call_pre_case(index, tidx['id'], tidx['name'])
     prepare_env(args, pm, 'setup', "-----> prepare stage", tidx["setup"])
 
     if (args.verbose > 0):
@@ -209,10 +210,11 @@ def run_one_test(pm, args, index, tidx):
     pm.call_post_execute()
 
     if (exit_code is None or exit_code != int(tidx["expExitCode"])):
-        result = False
         print("exit: {!r}".format(exit_code))
         print("exit: {}".format(int(tidx["expExitCode"])))
         #print("exit: {!r} {}".format(exit_code, int(tidx["expExitCode"])))
+        res.set_result(ResultState.fail)
+        res.set_failmsg('Command exited with {}, expected {}\n{}'.format(exit_code, tidx["expExitCode"], procout))
         print(procout)
     else:
         if args.verbose > 0:
@@ -223,20 +225,15 @@ def run_one_test(pm, args, index, tidx):
         if procout:
             match_index = re.findall(match_pattern, procout)
             if len(match_index) != int(tidx["matchCount"]):
-                result = False
+                res.set_result(ResultState.fail)
+                res.set_failmsg('Could not match regex pattern. Verify command output:\n{}'.format(procout))
+            else:
+                res.set_result(ResultState.success)
         elif int(tidx["matchCount"]) != 0:
-            result = False
-
-    if not result:
-        tresult += 'not '
-    tresult += 'ok {} - {} # {}\n'.format(str(index), tidx['id'], tidx['name'])
-    tap += tresult
-
-    if result == False:
-        if procout:
-            tap += procout
+            res.set_result(ResultState.fail)
+            res.set_failmsg('No output generated by verify command.')
         else:
-            tap += 'No output!\n'
+            res.set_result(ResultState.success)
 
     prepare_env(args, pm, 'teardown', '-----> teardown stage', tidx['teardown'], procout)
     pm.call_post_case()
@@ -245,7 +242,7 @@ def run_one_test(pm, args, index, tidx):
 
     # remove TESTID from NAMES
     del(NAMES['TESTID'])
-    return tap
+    return res
 
 def test_runner(pm, args, filtered_tests):
     """
@@ -265,25 +262,15 @@ def test_runner(pm, args, filtered_tests):
     emergency_exit = False
     emergency_exit_message = ''
 
-    if args.notap:
-        if args.verbose:
-            tap = 'notap requested:  omitting test plan\n'
-    else:
-        tap = str(index) + ".." + str(tcount) + "\n"
+    tsr = TestSuiteReport()
+
     try:
         pm.call_pre_suite(tcount, [tidx['id'] for tidx in testlist])
     except Exception as ee:
         ex_type, ex, ex_tb = sys.exc_info()
         print('Exception {} {} (caught in pre_suite).'.
               format(ex_type, ex))
-        # when the extra print statements are uncommented,
-        # the traceback does not appear between them
-        # (it appears way earlier in the tdc.py output)
-        # so don't bother ...
-        # print('--------------------(')
-        # print('traceback')
         traceback.print_tb(ex_tb)
-        # print('--------------------)')
         emergency_exit_message = 'EMERGENCY EXIT, call_pre_suite failed with exception {} {}\n'.format(ex_type, ex)
         emergency_exit = True
         stage = 'pre-SUITE'
@@ -299,15 +286,26 @@ def test_runner(pm, args, filtered_tests):
             if args.verbose > 1:
                 print('Not executing test {} {} because DEV2 not defined'.
                       format(tidx['id'], tidx['name']))
+            res = TestResult(tidx['id'], tidx['name'])
+            res.set_result(ResultState.skip)
+            res.set_errormsg('Not executed because DEV2 is not defined')
+            tsr.add_resultdata(res)
             continue
         try:
             badtest = tidx  # in case it goes bad
-            tap += run_one_test(pm, args, index, tidx)
+            res = run_one_test(pm, args, index, tidx)
+            tsr.add_resultdata(res)
         except PluginMgrTestFail as pmtf:
             ex_type, ex, ex_tb = sys.exc_info()
             stage = pmtf.stage
             message = pmtf.message
             output = pmtf.output
+            res = TestResult(tidx['id'], tidx['name'])
+            res.set_result(ResultState.skip)
+            res.set_errormsg(pmtf.message)
+            res.set_failmsg(pmtf.output)
+            tsr.add_resultdata(res)
+            index += 1
             print(message)
             print('Exception {} {} (caught in test_runner, running test {} {} {} stage {})'.
                   format(ex_type, ex, index, tidx['id'], tidx['name'], stage))
@@ -326,16 +324,16 @@ def test_runner(pm, args, filtered_tests):
     # if we failed in setup or teardown,
     # fill in the remaining tests with ok-skipped
     count = index
-    if not args.notap:
-        tap += 'about to flush the tap output if tests need to be skipped\n'
-        if tcount + 1 != index:
-            for tidx in testlist[index - 1:]:
-                msg = 'skipped - previous {} failed'.format(stage)
-                tap += 'ok {} - {} # {} {} {}\n'.format(
-                    count, tidx['id'], msg, index, badtest.get('id', '--Unknown--'))
-                count += 1
 
-        tap += 'done flushing skipped test tap output\n'
+    if tcount + 1 != count:
+        for tidx in testlist[count - 1:]:
+            res = TestResult(tidx['id'], tidx['name'])
+            res.set_result(ResultState.skip)
+            msg = 'skipped - previous {} failed {} {}'.format(stage,
+                index, badtest.get('id', '--Unknown--'))
+            res.set_errormsg(msg)
+            tsr.add_resultdata(res)
+            count += 1
 
     if args.pause:
         print('Want to pause\nPress enter to continue ...')
@@ -344,7 +342,7 @@ def test_runner(pm, args, filtered_tests):
 
     pm.call_post_suite(index)
 
-    return tap
+    return tsr
 
 def has_blank_ids(idlist):
     """
@@ -385,6 +383,10 @@ def set_args(parser):
     Set the command line arguments for tdc.
     """
     parser.add_argument(
+        '--outfile', type=str,
+        help='Path to the file in which results should be saved. ' +
+        'Default target is the current directory.')
+    parser.add_argument(
         '-p', '--path', type=str,
         help='The full path to the tc executable to use')
     sg = parser.add_argument_group(
@@ -420,8 +422,9 @@ def set_args(parser):
         '-v', '--verbose', action='count', default=0,
         help='Show the commands that are being run')
     parser.add_argument(
-        '-N', '--notap', action='store_true',
-        help='Suppress tap results for command under test')
+        '--format', default='tap', const='tap', nargs='?',
+        choices=['none', 'xunit', 'tap'],
+        help='Specify the format for test results. (Default: TAP)')
     parser.add_argument('-d', '--device',
                         help='Execute the test case in flower category')
     parser.add_argument(
@@ -638,12 +641,30 @@ def set_operation_mode(pm, args):
 
     if len(alltests):
         catresults = test_runner(pm, args, alltests)
+        if args.format == 'none':
+            print('Test results output suppression requested\n')
+        else:
+            print('\nAll test results: \n')
+            if args.format == 'xunit':
+                suffix = 'xml'
+                res = catresults.format_xunit()
+            elif args.format == 'tap':
+                suffix = 'tap'
+                res = catresults.format_tap()
+            print(res)
+            print('\n\n')
+            if not args.outfile:
+                fname = 'test-results.{}'.format(suffix)
+            else:
+                fname = args.outfile
+            with open(fname, 'w') as fh:
+                fh.write(res)
+                fh.close()
+                if os.getenv('SUDO_UID') is not None:
+                    os.chown(fname, uid=int(os.getenv('SUDO_UID')),
+                        gid=int(os.getenv('SUDO_GID')))
     else:
-        catresults = 'No tests found\n'
-    if args.notap:
-        print('Tap output suppression requested\n')
-    else:
-        print('All test results: \n\n{}'.format(catresults))
+        print('No tests found\n')
 
 def main():
     """
-- 
2.7.4

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