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# common utilities for all CDE tests
import os, time
from subprocess import *
CDE_BIN = "/home/pgbovine/CDE/cde"
CDE_EXEC = "/home/pgbovine/CDE/cde-exec"
CDE_ROOT_DIR = 'cde-package/cde-root'
def generic_lib_checks():
assert os.path.islink('cde-package/cde-root/lib/libc.so.6')
assert os.readlink('cde-package/cde-root/lib/libc.so.6') == 'libc-2.8.so'
assert os.path.isfile('cde-package/cde-root/lib/ld-linux.so.2')
def run_cde(argv, silent=False):
(stdout, stderr) = Popen([CDE_BIN] + argv, stdout=PIPE, stderr=PIPE).communicate()
if not silent:
if stderr:
print "stderr:", stderr
return (stdout, stderr)
def run_and_cmp_cde_exec(argv, prev_stdout, prev_stderr):
# to make for a tougher test, move the entire cde-package directory to /tmp
# and try to do a cde-exec run
full_pwd = os.getcwd()
full_pwd_renamed = full_pwd + '-renamed'
cur_dirname = os.path.basename(full_pwd)
tmp_test_rootdir = "/tmp/" + cur_dirname
tmp_test_dir = tmp_test_rootdir + '/cde-package/cde-root/' + full_pwd
# careful with these commands! use 'finally' to clean up even after
# exceptions!
try:
(stdout, stderr) = Popen(["rm", "-rf", tmp_test_rootdir], stdout=PIPE, stderr=PIPE).communicate()
assert not stdout and not stderr
(stdout, stderr) = Popen(["cp", "-aR", full_pwd, "/tmp"], stdout=PIPE, stderr=PIPE).communicate()
assert not stdout and not stderr
# rename full_pwd to make it impossible for the new version in /tmp
# to reference already-existing files in full_pwd (a harsher test!)
try:
os.rename(full_pwd, full_pwd_renamed)
# run the cde-exec test in tmp_test_dir
os.chdir(tmp_test_dir)
(stdout, stderr) = Popen([CDE_EXEC] + argv, stdout=PIPE, stderr=PIPE).communicate()
#print '=== prev_stdout:', prev_stdout
#print '=== stdout:', stdout
assert stdout == prev_stdout
#print '=== prev_stderr:', prev_stderr
#print '=== stderr:', stderr
assert stderr == prev_stderr
finally:
# rename it back to be nice :)
os.rename(full_pwd_renamed, full_pwd)
os.chdir(full_pwd) # make sure to chdir back!!!
finally:
# remove the version in tmp
(stdout, stderr) = Popen(["rm", "-rf", tmp_test_rootdir], stdout=PIPE, stderr=PIPE).communicate()
def generic_test_runner(argv, checker_func, skip_generic_lib_checks=False, clear_cde_options=True):
# careful!!!
os.system('rm -rf cde-package')
if clear_cde_options:
os.system('rm -f cde.options')
time.sleep(0.3) # to give os.system some time to work :)
(stdout, stderr) = run_cde(argv)
checker_func()
if not skip_generic_lib_checks:
generic_lib_checks()
run_and_cmp_cde_exec(argv, stdout, stderr)
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