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Subject[RFC v2 12/14] kunit.py: improve output from python wrapper
From
- add colors to displayed output
- add timing and summary

Signed-off-by: Felix Guo <felixguoxiuping@gmail.com>
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
---
tools/testing/kunit/kunit.py | 20 ++++++-
tools/testing/kunit/kunit_parser.py | 93 ++++++++++++++++++++++++++++-
2 files changed, 109 insertions(+), 4 deletions(-)

diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index 1356be404996b..b36c7b7924567 100755
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -6,6 +6,7 @@
import argparse
import sys
import os
+import time

import kunit_config
import kunit_kernel
@@ -24,17 +25,32 @@ parser.add_argument('--timeout', help='maximum number of seconds to allow for '
cli_args = parser.parse_args()
linux = kunit_kernel.LinuxSourceTree()

+config_start = time.time()
success = linux.build_reconfig()
+config_end = time.time()
if not success:
quit()

-print('Building KUnit Kernel ...')
+kunit_parser.print_with_timestamp('Building KUnit Kernel ...')
+
+build_start = time.time()
success = linux.build_um_kernel()
+build_end = time.time()
if not success:
quit()

-print('Starting KUnit Kernel ...')
+kunit_parser.print_with_timestamp('Starting KUnit Kernel ...')
+test_start = time.time()
+
if cli_args.raw_output:
kunit_parser.raw_output(linux.run_kernel(timeout=cli_args.timeout))
else:
kunit_parser.parse_run_tests(linux.run_kernel(timeout=cli_args.timeout))
+
+test_end = time.time()
+
+kunit_parser.print_with_timestamp((
+ "Elapsed time: %.3fs total, %.3fs configuring, %.3fs " +
+ "building, %.3fs running.\n") % (test_end - config_start,
+ config_end - config_start, build_end - build_start,
+ test_end - test_start))
diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py
index 1dff3adb73bd3..d9051e407d5a7 100644
--- a/tools/testing/kunit/kunit_parser.py
+++ b/tools/testing/kunit/kunit_parser.py
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0

import re
+from datetime import datetime

kunit_start_re = re.compile('console .* enabled')
kunit_end_re = re.compile('List of all partitions:')
@@ -19,6 +20,94 @@ def raw_output(kernel_output):
for line in kernel_output:
print(line)

+DIVIDER = "=" * 30
+
+RESET = '\033[0;0m'
+
+def red(text):
+ return '\033[1;31m' + text + RESET
+
+def yellow(text):
+ return '\033[1;33m' + text + RESET
+
+def green(text):
+ return '\033[1;32m' + text + RESET
+
+def print_with_timestamp(message):
+ print('[%s] %s' % (datetime.now().strftime('%H:%M:%S'), message))
+
+def print_log(log):
+ for m in log:
+ print_with_timestamp(m)
+
def parse_run_tests(kernel_output):
- for output in isolate_kunit_output(kernel_output):
- print(output)
+ test_case_output = re.compile('^kunit .*?: (.*)$')
+
+ test_module_success = re.compile('^kunit .*: all tests passed')
+ test_module_fail = re.compile('^kunit .*: one or more tests failed')
+
+ test_case_success = re.compile('^kunit (.*): (.*) passed')
+ test_case_fail = re.compile('^kunit (.*): (.*) failed')
+ test_case_crash = re.compile('^kunit (.*): (.*) crashed')
+
+ total_tests = set()
+ failed_tests = set()
+ crashed_tests = set()
+
+ def get_test_name(match):
+ return match.group(1) + ":" + match.group(2)
+
+ current_case_log = []
+ def end_one_test(match, log):
+ log.clear()
+ total_tests.add(get_test_name(match))
+
+ print_with_timestamp(DIVIDER)
+ for line in isolate_kunit_output(kernel_output):
+ # Ignore module output:
+ if (test_module_success.match(line) or
+ test_module_fail.match(line)):
+ print_with_timestamp(DIVIDER)
+ continue
+
+ match = re.match(test_case_success, line)
+ if match:
+ print_with_timestamp(green("[PASSED] ") +
+ get_test_name(match))
+ end_one_test(match, current_case_log)
+ continue
+
+ match = re.match(test_case_fail, line)
+ # Crashed tests will report as both failed and crashed. We only
+ # want to show and count it once.
+ if match and get_test_name(match) not in crashed_tests:
+ failed_tests.add(get_test_name(match))
+ print_with_timestamp(red("[FAILED] " +
+ get_test_name(match)))
+ print_log(map(yellow, current_case_log))
+ print_with_timestamp("")
+ end_one_test(match, current_case_log)
+ continue
+
+ match = re.match(test_case_crash, line)
+ if match:
+ crashed_tests.add(get_test_name(match))
+ print_with_timestamp(yellow("[CRASH] " +
+ get_test_name(match)))
+ print_log(current_case_log)
+ print_with_timestamp("")
+ end_one_test(match, current_case_log)
+ continue
+
+ # Strip off the `kunit module-name:` prefix
+ match = re.match(test_case_output, line)
+ if match:
+ current_case_log.append(match.group(1))
+ else:
+ current_case_log.append(line)
+
+ fmt = green if (len(failed_tests) + len(crashed_tests) == 0) else red
+ print_with_timestamp(
+ fmt("Testing complete. %d tests run. %d failed. %d crashed." %
+ (len(total_tests), len(failed_tests), len(crashed_tests))))
+
--
2.19.1.568.g152ad8e336-goog
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