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import subprocess
def _runcmd(ctx, argv):
p = subprocess.Popen(argv, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p.communicate("")
ctx['stdout'] = stdout
ctx['stderr'] = stderr
ctx['exit'] = p.returncode
def run_echo_without_args(ctx):
_runcmd(ctx, ['echo'])
def run_echo_with_args(ctx, args=None):
_runcmd(ctx, ['echo', args])
def exit_code_is(ctx, exit_code=None):
assert_eq(ctx['exit'], int(exit_code))
def stdout_is_a_newline(ctx):
assert_eq(ctx['stdout'], b'\n')
def stdout_is_text(ctx, text=None):
text += '\n'
text = text.encode()
assert_eq(ctx['stdout'], text)
def stderr_is_empty(ctx):
assert_eq(ctx['stderr'], b'')
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