def test_chained_procs():
ls = Process('ls {test_dir}'.format(test_dir=TEST_DIR))
grep = Process('grep 2')
chain = ls | grep
chain.run()
assert chain.returncode == 0
assert chain.stdout.strip() == 'file2'
def test_multi_chained_procs():
ls = Process('ls {test_dir}'.format(test_dir=TEST_DIR))
grep = Process('grep 2')
wc = Process('wc -c')
chain = ls | grep | wc
chain.run()
assert chain.returncode == 0
assert chain.stdout.strip() == '6'
def tests_repr():
p = Process('foo')
assert repr(p) == '<Process: foo>'
def test_not_ok_if_returncode_not_0():
assert not os.path.exists('/bin/nosuchcommand')
p = Process('/bin/nosuchcommand')
p.run()
assert p.ok is False
def test_ok_if_returncode_0():
p = Process('ls')
p.run()
assert p.ok is True
def test_returncode():
assert not os.path.exists('/bin/nosuchcommand')
p = Process('/bin/nosuchcommand')
p.run()
assert p.returncode == 127
def test_empty_output():
cat = Process('cat /dev/null')
cat.run()
assert cat.stdout == u''
def test_single_proc():
ls = Process('ls {test_dir}'.format(test_dir=TEST_DIR))
ls.run()
assert ls.returncode == 0
assert ls.stdout == u'file1\nfile2\nfile3\n'
def test_not_ok_if_returncode_not_0():
assert not os.path.exists('/bin/nosuchcommand')
p = Process('/bin/nosuchcommand')
p.run()
assert p.ok is False
def test_ok_if_returncode_0():
p = Process('ls')
p.run()
assert p.ok is True
def test_returncode():
assert not os.path.exists('/bin/nosuchcommand')
p = Process('/bin/nosuchcommand')
p.run()
assert p.returncode == 127
def test_empty_output():
cat = Process('cat /dev/null')
cat.run()
assert cat.stdout == u''
def test_single_proc():
ls = Process('ls {test_dir}'.format(test_dir=TEST_DIR))
ls.run()
assert ls.returncode == 0
assert ls.stdout == u'file1\nfile2\nfile3\n'