"""generate a random string"""

k = random.randint(5, 10)

"""usage"""

for flag in ['-h', '--help']:

rv, out = getstatusoutput(f'{prg} {flag}')

assert rv == 0

"""Test STDIN/STDOUT"""

out = getoutput(f'{prg} "foo bar baz"')

"""Test STDIN/outfile"""

out_file = random_string()

if os.path.isfile(out_file):

os.remove(out_file)

try:

out = getoutput(f'{prg} {out_flag()} {out_file} "foo bar baz"')

assert out.strip() == ''

assert os.path.isfile(out_file)

text = open(out_file).read().rstrip()

assert text == 'FOO BAR BAZ'

finally:

if os.path.isfile(out_file):

"""Test file in/out"""

for expected_file in os.listdir('test-outs'):

try:

out_file = random_string()

if os.path.isfile(out_file):

os.remove(out_file)

basename = os.path.basename(expected_file)

in_file = os.path.join('../inputs', basename)

out = getoutput(f'{prg} {out_flag()} {out_file} {in_file}')

assert out.strip() == ''

produced = open(out_file).read().rstrip()

expected = open(os.path.join('test-outs',

expected_file)).read().strip()

assert expected == produced

finally:

if os.path.isfile(out_file):