def test_pipe_errors(test):
"""Tests errors in the middle of the pipe."""
process = sh.echo("aaa") | sh.grep("bbb") | sh.wc("-l")
assert pytest.raises(psh.ExecutionError,
lambda: process.execute()).value.status() == 1
process = sh.echo("aaa") | sh.grep("bbb", _ok_statuses=(0, 1)) | sh.wc("-l")
process.execute().stdout().strip() == "0"
def test_pipe_errors(test):
"""Tests errors in the middle of the pipe."""
process = sh.echo("aaa") | sh.grep("bbb") | sh.wc("-l")
assert pytest.raises(psh.ExecutionError,
lambda: process.execute()).value.status() == 1
process = sh.echo("aaa") | sh.grep("bbb",
_ok_statuses=(0, 1)) | sh.wc("-l")
process.execute().stdout().strip() == "0"
def test_command_with_redirection(test):
"""Tests command arguments representation."""
process = sh.echo("test", _stdout=STDERR)
assert str(process) == "echo test >&2"
assert bytes(process) == psys.b(str(process))
process = sh.echo("test", _stdout=File("/tmp/test.path"))
assert str(process) == "echo test > /tmp/test.path"
assert bytes(process) == psys.b(str(process))
process = sh.echo("test", _stdout=File("/tmp/test.path", append=True))
assert str(process) == "echo test >> /tmp/test.path"
assert bytes(process) == psys.b(str(process))
process = sh.echo("test", _stderr=File("/tmp/test.path"))
assert str(process) == "echo test 2> /tmp/test.path"
assert bytes(process) == psys.b(str(process))
process = sh.echo("test", _stderr=File("/tmp/test.path", append=True))
assert str(process) == "echo test 2>> /tmp/test.path"
assert bytes(process) == psys.b(str(process))
process = sh.echo("test", _stderr=STDOUT)
assert str(process) == "echo test 2>&1"
assert bytes(process) == psys.b(str(process))
process = sh.echo("test", _stdout=DEVNULL, _stderr=DEVNULL)
assert str(process) == "echo test > /dev/null 2> /dev/null"
assert bytes(process) == psys.b(str(process))
process = sh.echo("test", _stdout=File("/\rtmp\t/test.\rpath"))
assert str(process) == "echo test > '/\\rtmp\\t/test.\\rpath'"
assert bytes(process) == psys.b(str(process))
def test_output_iteration_without_delimiter_unicode(test):
"""Tests iteration over process' output without delimiter (unicode)."""
with pytest.raises(psh.InvalidOperation):
with sh.echo(_iter_delimiter="") as process:
for block in process:
pass
def test_output_iteration_without_delimiter_unicode(test):
"""Tests iteration over process' output without delimiter (unicode)."""
with pytest.raises(psh.InvalidOperation):
with sh.echo(_iter_delimiter="") as process:
for block in process:
pass
def test_argument_passing(test):
"""Tests passing data via command line arguments."""
value = ""
for i in range(1, 256):
value += chr(i)
process = sh.sh("-c", sh.echo(value), _shell=True).execute()
assert process.stdout() == value + "\n"
assert process.stderr() == ""
def test_argument_passing(test):
"""Tests passing data via command line arguments."""
value = ""
for i in range(1, 256):
value += chr(i)
process = sh.sh("-c", sh.echo(value), _shell=True).execute()
assert process.stdout() == value + "\n"
assert process.stderr() == ""
def test_command_with_redirection(test):
"""Tests command arguments representation."""
process = sh.echo("test", _stdout=STDERR)
assert str(process) == "echo test >&2"
assert bytes(process) == psys.b(str(process))
process = sh.echo("test", _stdout=File("/tmp/test.path"))
assert str(process) == "echo test > /tmp/test.path"
assert bytes(process) == psys.b(str(process))
process = sh.echo("test", _stderr=File("/tmp/test.path"))
assert str(process) == "echo test 2> /tmp/test.path"
assert bytes(process) == psys.b(str(process))
process = sh.echo("test", _stderr=STDOUT)
assert str(process) == "echo test 2>&1"
assert bytes(process) == psys.b(str(process))
process = sh.echo("test", _stdout=DEVNULL, _stderr=DEVNULL)
assert str(process) == "echo test > /dev/null 2> /dev/null"
assert bytes(process) == psys.b(str(process))
process = sh.echo("test", _stdout=File("/\rtmp\t/test.\rpath"))
assert str(process) == "echo test > '/\\rtmp\\t/test.\\rpath'"
assert bytes(process) == psys.b(str(process))
def test_execution(test):
"""Tests command execution in the shell mode."""
process = sh.sh("-c",
sh.echo("aaa", _stdout=STDERR), _shell=True).execute()
assert process.stdout() == ""
assert process.stderr() == "aaa\n"
process = sh.sh(
c=sh.sh("-c", "echo aaa >&2", _stderr=STDOUT), _shell=True).execute()
assert process.stdout() == "aaa\n"
assert process.stderr() == ""
process = sh.sh("-c",
sh.echo("aaa", _stdout=DEVNULL), _shell=True).execute()
assert process.stdout() == ""
assert process.stderr() == ""
pipe = sh.cat() | sh.egrep("bbb|ccc") | sh.grep("ccc")
process = sh.sh("-c", pipe, _stdin="aaa\nbbb\nccc\n", _shell=True).execute()
assert process.stdout() == "ccc\n"
assert process.stderr() == ""
def test_execution(test):
"""Tests command execution in the shell mode."""
process = sh.sh("-c", sh.echo("aaa", _stdout=STDERR),
_shell=True).execute()
assert process.stdout() == ""
assert process.stderr() == "aaa\n"
process = sh.sh(c=sh.sh("-c", "echo aaa >&2", _stderr=STDOUT),
_shell=True).execute()
assert process.stdout() == "aaa\n"
assert process.stderr() == ""
process = sh.sh("-c", sh.echo("aaa", _stdout=DEVNULL),
_shell=True).execute()
assert process.stdout() == ""
assert process.stderr() == ""
pipe = sh.cat() | sh.egrep("bbb|ccc") | sh.grep("ccc")
process = sh.sh("-c", pipe, _stdin="aaa\nbbb\nccc\n",
_shell=True).execute()
assert process.stdout() == "ccc\n"
assert process.stderr() == ""