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#!/usr/bin/env python
"""test utils
This module is imported by all testcase. It parse the command lines options
and provide some useful functions.
You should never call this module directly. To run a single testcase, use
./testsuite.py NAME_OF_TESTCASE
"""
from gnatpython.env import Env
from gnatpython.ex import Run, STDOUT
from gnatpython.fileutils import FileUtilsError, mkdir
from subprocess import Popen, PIPE
from time import sleep
import os
import re
import sys
POLYORB_CONF = "POLYORB_CONF"
RLIMIT = int(os.environ['RLIMIT'])
TEST_NAME = os.environ['TEST_NAME']
# Restore testsuite environment
Env().restore(os.environ['TEST_CONFIG'])
# If POLYORB_TEST_VERBOSE is set to true, then output more data
VERBOSE = Env().options.verbose # set by testsuite.py
# Main testsuite source dir
SRC_DIR = Env().options.testsuite_src_dir
# All executable tests path are relative to PolyORB testsuite build dir
BASE_DIR = os.path.join(Env().options.build_dir, 'testsuite')
# Shared configuration files are in tests/conf
CONF_DIR = os.path.join(SRC_DIR, 'tests', 'confs')
EXE_EXT = Env().target.os.exeext
OUTPUT_FILENAME = os.path.join(Env().log_dir, TEST_NAME)
try:
if not os.path.isdir(os.path.dirname(OUTPUT_FILENAME)):
mkdir(os.path.dirname(OUTPUT_FILENAME))
except FileUtilsError:
# Ignore errors, multiple tests can be run in parallel
pass
def assert_exists(filename):
"""Assert that the given filename exists"""
assert os.path.exists(filename), "%s not found" % filename
def terminate(handle):
"""Terminate safely a process spawned using Popen"""
if sys.platform.startswith('win'):
try:
handle.terminate()
except WindowsError:
# We got a WindowsError exception. This might occurs when we try to
# terminate a process that is already dead. In that case we check
# if the process is still alive. If yes we reraise the exception.
# Otherwise we ignore it.
is_alive = True
for index in (1, 2, 3):
is_alive = handle.poll() is None
if not is_alive:
break
sleep(0.1)
if is_alive:
# Process is still not terminated so reraise the exception
raise
else:
handle.terminate()
def get_conf_path(conf_filename):
if not conf_filename:
return None
if os.path.isabs(conf_filename):
assert_exists(conf_filename)
return conf_filename
for d in (CONF_DIR, os.path.join(SRC_DIR, TEST_NAME)):
p = os.path.join (d, conf_filename)
if os.path.exists(p):
return p
assert False, "%s not found" % (conf_filename)
def client_server(client_cmd, client_conf, server_cmd, server_conf):
"""Run a client server testcase
Run server_cmd and extract the IOR string.
Run client_cmd with the server IOR string
Check for "END TESTS................ PASSED"
if found return True
"""
print "Running client %s (config=%s)\nserver %s (config=%s)" % (
client_cmd, client_conf, server_cmd, server_conf)
client = os.path.join(BASE_DIR, client_cmd + EXE_EXT)
server = os.path.join(BASE_DIR, server_cmd + EXE_EXT)
# Check that files exist
assert_exists(client)
assert_exists(server)
server_env = os.environ.copy()
if server_conf:
server_env[POLYORB_CONF] = get_conf_path(server_conf)
try:
# Run the server command and retrieve the IOR string
p_cmd_server = ['gnatpython-rlimit', str(RLIMIT), server]
server_output_name = OUTPUT_FILENAME + '.server'
server_handle = Popen(p_cmd_server,
stdout=open(server_output_name, "wb"),
env=server_env)
if server_conf:
print 'RUN server: POLYORB_CONF=%s %s' % \
(server_env[POLYORB_CONF], " ".join(p_cmd_server))
else:
print 'RUN server: %s' % " ".join(p_cmd_server)
server_out = open(server_output_name, "r")
while server_handle.returncode == None:
# Loop on readline() until we have a complete line
line = ""
while server_handle.returncode == None:
server_handle.poll()
line = line + server_out.readline()
if len(line) > 0 and line[-1] in "\n\r":
break
sleep(0.1)
if "IOR:" in line:
try:
IOR_str = re.match(r".*(IOR:[a-z0-9]+)['|\n\r]",
line).groups()[0]
break
except:
print "Malformed IOR line <<%s>>" % (line)
raise
if server_handle.returncode != None:
print "server died"
return
server_out.close()
# Remove eol and '
IOR_str = IOR_str.strip()
print IOR_str
# Run the client with the IOR argument
p_cmd_client = [client, IOR_str]
if client_conf:
client_env = os.environ.copy()
client_env[POLYORB_CONF] = get_conf_path(client_conf)
print 'RUN client: POLYORB_CONF=%s %s' % \
(client_env[POLYORB_CONF], " ".join(p_cmd_client))
else:
client_env = None
print "RUN client: %s" % " ".join(p_cmd_client)
Run(make_run_cmd([client, IOR_str], Env().options.coverage),
output=OUTPUT_FILENAME + '.client', error=STDOUT,
timeout=RLIMIT, env=client_env)
for elmt in [client, server]:
if Env().options.coverage:
run_coverage_analysis(elmt)
except Exception, e:
print e
finally:
terminate(server_handle)
return _check_output(OUTPUT_FILENAME + '.client')
def local(cmd, config_file, args=None):
"""Run a local test
Execute the given command.
Check for "END TESTS................ PASSED"
if found return True
PARAMETERS:
cmd: the command to execute
config_file: to set POLYORB_CONF
args: list of additional parameters
"""
args = args or []
print "Running %s %s (config=%s)" % (cmd, " ".join(args), config_file)
if config_file:
assert_exists(os.path.join(CONF_DIR, config_file))
os.environ[POLYORB_CONF] = config_file
command = os.path.join(BASE_DIR, cmd + EXE_EXT)
assert_exists(command)
p_cmd = [command] + args
if VERBOSE:
if config_file:
print 'RUN: POLYORB_CONF=%s %s' % (config_file, " ".join(p_cmd))
else:
print 'RUN: %s' % " ".join(p_cmd)
Run(make_run_cmd(p_cmd, Env().options.coverage),
output=OUTPUT_FILENAME + 'local', error=STDOUT,
timeout=RLIMIT)
if Env().options.coverage:
run_coverage_analysis(command)
return _check_output(OUTPUT_FILENAME + 'local')
def _check_output(output_file):
"""Check that END TESTS....... PASSED is contained in the output"""
if os.path.exists(output_file):
test_outfile = open(output_file)
test_out = test_outfile.read()
test_outfile.close()
if re.search(r"END TESTS.*PASSED", test_out):
print "%s PASSED" % TEST_NAME
return True
else:
print "%s FAILED" % TEST_NAME
print test_out
return False
def make_run_cmd(cmd, coverage=False):
"""Create a command line for Run in function of coverage
Returns command and arguments list
"""
L = []
if coverage:
L.extend(['xcov', '--run', '--target=i386-linux', '-o',
cmd[0] + '.trace', cmd[0]])
if len(cmd) > 1:
L.append('-eargs')
L.extend(cmd[1:])
else:
L.extend(cmd)
return L
def run_coverage_analysis(command):
"""Run xcov with appropriate arguments to retrieve coverage information
Returns an object of type run
"""
return Run(['xcov', '--coverage=branch', '--annotate=report',
command + ".trace"],
output=OUTPUT_FILENAME + '.trace', error=STDOUT,
timeout=RLIMIT)
def fail():
print "TEST FAILED"
sys.exit(1)
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