plexpy/lib/tqdm/tests/tests_main.py
2018-04-08 10:44:04 -07:00

94 lines
2.8 KiB
Python

import sys
import subprocess
from tqdm import main, TqdmKeyError, TqdmTypeError
from tests_tqdm import with_setup, pretest, posttest, _range, closing, \
UnicodeIO, StringIO
def _sh(*cmd, **kwargs):
return subprocess.Popen(cmd, stdout=subprocess.PIPE,
**kwargs).communicate()[0].decode('utf-8')
# WARNING: this should be the last test as it messes with sys.stdin, argv
@with_setup(pretest, posttest)
def test_main():
"""Test command line pipes"""
ls_out = _sh('ls').replace('\r\n', '\n')
ls = subprocess.Popen('ls', stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
res = _sh(sys.executable, '-c', 'from tqdm import main; main()',
stdin=ls.stdout, stderr=subprocess.STDOUT)
ls.wait()
# actual test:
assert (ls_out in res.replace('\r\n', '\n'))
# semi-fake test which gets coverage:
_SYS = sys.stdin, sys.argv
with closing(StringIO()) as sys.stdin:
sys.argv = ['', '--desc', 'Test CLI-delims',
'--ascii', 'True', '--delim', r'\0', '--buf_size', '64']
sys.stdin.write('\0'.join(map(str, _range(int(1e3)))))
sys.stdin.seek(0)
main()
IN_DATA_LIST = map(str, _range(int(1e3)))
sys.stdin = IN_DATA_LIST
sys.argv = ['', '--desc', 'Test CLI pipes',
'--ascii', 'True', '--unit_scale', 'True']
import tqdm.__main__ # NOQA
IN_DATA = '\0'.join(IN_DATA_LIST)
with closing(StringIO()) as sys.stdin:
sys.stdin.write(IN_DATA)
sys.stdin.seek(0)
sys.argv = ['', '--ascii', '--bytes', '--unit_scale', 'False']
with closing(UnicodeIO()) as fp:
main(fp=fp)
assert (str(len(IN_DATA)) in fp.getvalue())
sys.stdin = IN_DATA_LIST
sys.argv = ['', '-ascii', '--unit_scale', 'False',
'--desc', 'Test CLI errors']
main()
sys.argv = ['', '-ascii', '-unit_scale', '--bad_arg_u_ment', 'foo']
try:
main()
except TqdmKeyError as e:
if 'bad_arg_u_ment' not in str(e):
raise
else:
raise TqdmKeyError('bad_arg_u_ment')
sys.argv = ['', '-ascii', '-unit_scale', 'invalid_bool_value']
try:
main()
except TqdmTypeError as e:
if 'invalid_bool_value' not in str(e):
raise
else:
raise TqdmTypeError('invalid_bool_value')
sys.argv = ['', '-ascii', '--total', 'invalid_int_value']
try:
main()
except TqdmTypeError as e:
if 'invalid_int_value' not in str(e):
raise
else:
raise TqdmTypeError('invalid_int_value')
for i in ('-h', '--help', '-v', '--version'):
sys.argv = ['', i]
try:
main()
except SystemExit:
pass
# clean up
sys.stdin, sys.argv = _SYS