1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
#!/usr/bin/env python
import sys
import shutil
import os
import select
import unittest
import argparse
import time
from multiprocessing import Process, Pipe
from framework import VppTestRunner
from debug import spawn_gdb
from log import global_logger
from discover_tests import discover_tests
def test_runner_wrapper(suite, keep_alive_pipe, result_pipe, failed_pipe):
result = not VppTestRunner(
keep_alive_pipe=keep_alive_pipe,
failed_pipe=failed_pipe,
verbosity=verbose,
failfast=failfast).run(suite).wasSuccessful()
result_pipe.send(result)
result_pipe.close()
keep_alive_pipe.close()
failed_pipe.close()
class add_to_suite_callback:
def __init__(self, suite):
self.suite = suite
def __call__(self, file_name, cls, method):
suite.addTest(cls(method))
class Filter_by_class_list:
def __init__(self, class_list):
self.class_list = class_list
def __call__(self, file_name, class_name, func_name):
return class_name in self.class_list
def suite_from_failed(suite, failed):
filter_cb = Filter_by_class_list(failed)
return VppTestRunner.filter_tests(suite, filter_cb)
def run_forked(suite):
keep_alive_parent_end, keep_alive_child_end = Pipe(duplex=False)
result_parent_end, result_child_end = Pipe(duplex=False)
failed_parent_end, failed_child_end = Pipe(duplex=False)
child = Process(target=test_runner_wrapper,
args=(suite, keep_alive_child_end, result_child_end,
failed_child_end))
child.start()
last_test_temp_dir = None
last_test_vpp_binary = None
last_test = None
result = None
failed = set()
last_heard = time.time()
while True:
readable = select.select([keep_alive_parent_end.fileno(),
result_parent_end.fileno(),
failed_parent_end.fileno(),
],
[], [], 1)[0]
if result_parent_end.fileno() in readable:
result = result_parent_end.recv()
break
if keep_alive_parent_end.fileno() in readable:
while keep_alive_parent_end.poll():
last_test, last_test_vpp_binary,\
last_test_temp_dir, vpp_pid = keep_alive_parent_end.recv()
last_heard = time.time()
if failed_parent_end.fileno() in readable:
while failed_parent_end.poll():
failed_test = failed_parent_end.recv()
failed.add(failed_test.__name__)
last_heard = time.time()
fail = False
if last_heard + test_timeout < time.time():
fail = True
global_logger.critical("Timeout while waiting for child test "
"runner process (last test running was "
"`%s' in `%s')!" %
(last_test, last_test_temp_dir))
elif not child.is_alive():
fail = True
global_logger.critical("Child process unexpectedly died (last "
"test running was `%s' in `%s')!" %
(last_test, last_test_temp_dir))
if fail:
failed_dir = os.getenv('VPP_TEST_FAILED_DIR')
lttd = last_test_temp_dir.split("/")[-1]
link_path = '%s%s-FAILED' % (failed_dir, lttd)
global_logger.error("Creating a link to the failed " +
"test: %s -> %s" % (link_path, lttd))
os.symlink(last_test_temp_dir, link_path)
api_post_mortem_path = "/tmp/api_post_mortem.%d" % vpp_pid
if os.path.isfile(api_post_mortem_path):
global_logger.error("Copying api_post_mortem.%d to %s" %
(vpp_pid, last_test_temp_dir))
shutil.copy2(api_post_mortem_path, last_test_temp_dir)
if last_test_temp_dir and last_test_vpp_binary:
core_path = "%s/core" % last_test_temp_dir
if os.path.isfile(core_path):
global_logger.error("Core-file exists in test temporary "
"directory: %s!" % core_path)
if d and d.lower() == "core":
spawn_gdb(last_test_vpp_binary, core_path,
global_logger)
child.terminate()
result = -1
break
keep_alive_parent_end.close()
result_parent_end.close()
failed_parent_end.close()
return result, failed
if __name__ == '__main__':
try:
verbose = int(os.getenv("V", 0))
except:
verbose = 0
default_test_timeout = 600 # 10 minutes
try:
test_timeout = int(os.getenv("TIMEOUT", default_test_timeout))
except:
test_timeout = default_test_timeout
try:
debug = os.getenv("DEBUG")
except:
debug = None
parser = argparse.ArgumentParser(description="VPP unit tests")
parser.add_argument("-f", "--failfast", action='count',
help="fast failure flag")
parser.add_argument("-d", "--dir", action='append', type=str,
help="directory containing test files "
"(may be specified multiple times)")
args = parser.parse_args()
failfast = True if args.failfast == 1 else False
suite = unittest.TestSuite()
cb = add_to_suite_callback(suite)
for d in args.dir:
print("Adding tests from directory tree %s" % d)
discover_tests(d, cb)
try:
retries = int(os.getenv("RETRIES"))
except:
retries = 0
if retries is None:
retries = 0
attempts = retries + 1
if attempts > 1:
print("Perform %s attempts to pass the suite..." % attempts)
if debug is None or debug.lower() not in ["gdb", "gdbserver"]:
while True:
result, failed = run_forked(suite)
attempts = attempts - 1
print("%s test(s) failed, %s attempt(s) left" %
(len(failed), attempts))
if len(failed) > 0 and attempts > 0:
suite = suite_from_failed(suite, failed)
continue
sys.exit(result)
# don't fork if debugging..
sys.exit(not VppTestRunner(verbosity=verbose,
failfast=failfast).run(suite).wasSuccessful())
|
