def test_run():
# (Commits in this repo's history.)
assert list(cmd.run('git log --abbrev=9 --format={} {}', '%p', '9cdfc6d46')
| cmd.splitlines()) \
== [b'a515d0250', b'c90596c89', b'']
assert (pysh.slurp(cmd.echo(b'hello') | cmd.run('tr h H'))
# sh { echo hello | tr h H | slurp }
) == b'Hello'
assert pysh.slurp(
cmd.run('git log --oneline --reverse --abbrev=9')
| cmd.run('grep -m1 {}', 'yield')
| cmd.run('perl -lane {}', 'print $F[0]')) == b'91a20bf6b'
def test_pipeline():
assert list(
cmd.cat(b'/etc/shells') | cmd.splitlines()
# sh { cat /etc/shells | split -l }
) == open('/etc/shells', 'rb').read().rstrip(b"\n").split(b"\n")
assert (pysh.slurp(cmd.run('git rev-parse {}', 'dbccdbe6f~2'))
# sh { git rev-parse ${commitish} | slurp }
) == b'91a20bf6b4a72f1f84b2f57cf38b3f771dd35fda'
# Input and output optional; check nothing blows up.
cmd.devnull()()
def test_decode():
world = '\N{WORLD MAP}'.encode()
assert pysh.slurp(cmd.echo(b'hello', world) | cmd.decode()
| cmd.encode()) == b'hello ' + world
def test_echo():
assert (pysh.slurp(cmd.echo(b'hello', b'world'))) == b'hello world'
def test_run_check():
with pytest.raises(subprocess.CalledProcessError):
pysh.slurp(cmd.run('false'))
assert pysh.slurp(cmd.run('false', _check=False)) == b''