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2019 lines (1525 loc) · 52.8 KB
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# -*- coding: utf8 -*-
import os
from os.path import exists, join, realpath
import unittest
import tempfile
import sys
import sh
import platform
from functools import wraps
# we have to use the real path because on osx, /tmp is a symlink to
# /private/tmp, and so assertions that gettempdir() == sh.pwd() will fail
tempdir = realpath(tempfile.gettempdir())
IS_OSX = platform.system() == "Darwin"
IS_PY3 = sys.version_info[0] == 3
if IS_PY3:
unicode = str
python = sh.Command(sh.which("python%d.%d" % sys.version_info[:2]))
else:
from sh import python
THIS_DIR = os.path.dirname(os.path.abspath(__file__))
skipUnless = getattr(unittest, "skipUnless", None)
if not skipUnless:
# our stupid skipUnless wrapper for python2.6
def skipUnless(condition, reason):
def wrapper(test):
if condition:
return test
else:
@wraps(test)
def skip(*args, **kwargs):
return
return skip
return wrapper
requires_posix = skipUnless(os.name == "posix", "Requires POSIX")
requires_utf8 = skipUnless(sh.DEFAULT_ENCODING == "UTF-8", "System encoding must be UTF-8")
def create_tmp_test(code, prefix="tmp", delete=True):
""" creates a temporary test file that lives on disk, on which we can run
python with sh """
py = tempfile.NamedTemporaryFile(prefix=prefix, delete=delete)
if IS_PY3:
code = bytes(code, "UTF-8")
py.write(code)
py.flush()
# we don't explicitly close, because close will remove the file, and we
# don't want that until the test case is done. so we let the gc close it
# when it goes out of scope
return py
@requires_posix
class FunctionalTests(unittest.TestCase):
def test_print_command(self):
from sh import ls, which
actual_location = which("ls")
out = str(ls)
self.assertEqual(out, actual_location)
def test_unicode_arg(self):
from sh import echo
test = "漢字"
if not IS_PY3:
test = test.decode("utf8")
p = echo(test, _encoding="utf8")
output = p.strip()
self.assertEqual(test, output)
def test_number_arg(self):
py = create_tmp_test("""
from optparse import OptionParser
parser = OptionParser()
options, args = parser.parse_args()
print(args[0])
""")
out = python(py.name, 3).strip()
self.assertEqual(out, "3")
def test_exit_code(self):
from sh import ErrorReturnCode
py = create_tmp_test("""
exit(3)
""")
self.assertRaises(ErrorReturnCode, python, py.name)
def test_exit_code_with_hasattr(self):
from sh import ErrorReturnCode
py = create_tmp_test("""
exit(3)
""")
try:
out = python(py.name, _iter=True)
# hasattr can swallow exceptions
hasattr(out, 'something_not_there')
list(out)
self.assertEqual(out.exit_code, 3)
self.fail("Command exited with error, but no exception thrown")
except ErrorReturnCode as e:
pass
def test_exit_code_from_exception(self):
from sh import ErrorReturnCode
py = create_tmp_test("""
exit(3)
""")
self.assertRaises(ErrorReturnCode, python, py.name)
try:
python(py.name)
except Exception as e:
self.assertEqual(e.exit_code, 3)
def test_glob_warning(self):
from sh import ls
from glob import glob
import warnings
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
ls(glob("ofjaoweijfaowe"))
self.assertTrue(len(w) == 1)
self.assertTrue(issubclass(w[-1].category, UserWarning))
self.assertTrue("glob" in str(w[-1].message))
def test_stdin_from_string(self):
from sh import sed
self.assertEqual(sed(_in="one test three", e="s/test/two/").strip(),
"one two three")
def test_ok_code(self):
from sh import ls, ErrorReturnCode_1, ErrorReturnCode_2
exc_to_test = ErrorReturnCode_2
code_to_pass = 2
if IS_OSX:
exc_to_test = ErrorReturnCode_1
code_to_pass = 1
self.assertRaises(exc_to_test, ls, "/aofwje/garogjao4a/eoan3on")
ls("/aofwje/garogjao4a/eoan3on", _ok_code=code_to_pass)
ls("/aofwje/garogjao4a/eoan3on", _ok_code=[code_to_pass])
ls("/aofwje/garogjao4a/eoan3on", _ok_code=range(code_to_pass + 1))
def test_quote_escaping(self):
py = create_tmp_test("""
from optparse import OptionParser
parser = OptionParser()
options, args = parser.parse_args()
print(args)
""")
out = python(py.name, "one two three").strip()
self.assertEqual(out, "['one two three']")
out = python(py.name, "one \"two three").strip()
self.assertEqual(out, "['one \"two three']")
out = python(py.name, "one", "two three").strip()
self.assertEqual(out, "['one', 'two three']")
out = python(py.name, "one", "two \"haha\" three").strip()
self.assertEqual(out, "['one', 'two \"haha\" three']")
out = python(py.name, "one two's three").strip()
self.assertEqual(out, "[\"one two's three\"]")
out = python(py.name, 'one two\'s three').strip()
self.assertEqual(out, "[\"one two's three\"]")
def test_multiple_pipes(self):
from sh import tr, python
import time
py = create_tmp_test("""
import sys
import os
import time
for l in "andrew":
print(l)
time.sleep(.2)
""")
class Derp(object):
def __init__(self):
self.times = []
self.stdout = []
self.last_received = None
def agg(self, line):
self.stdout.append(line.strip())
now = time.time()
if self.last_received: self.times.append(now - self.last_received)
self.last_received = now
derp = Derp()
p = tr(
tr(
tr(
python(py.name, _piped=True),
"aw", "wa", _piped=True),
"ne", "en", _piped=True),
"dr", "rd", _out=derp.agg)
p.wait()
self.assertEqual("".join(derp.stdout), "werdna")
self.assertTrue(all([t > .15 for t in derp.times]))
def test_manual_stdin_string(self):
from sh import tr
out = tr("[:lower:]", "[:upper:]", _in="andrew").strip()
self.assertEqual(out, "ANDREW")
def test_manual_stdin_iterable(self):
from sh import tr
test = ["testing\n", "herp\n", "derp\n"]
out = tr("[:lower:]", "[:upper:]", _in=test)
match = "".join([t.upper() for t in test])
self.assertEqual(out, match)
def test_manual_stdin_file(self):
from sh import tr
import tempfile
test_string = "testing\nherp\nderp\n"
stdin = tempfile.NamedTemporaryFile()
stdin.write(test_string.encode())
stdin.flush()
stdin.seek(0)
out = tr("[:lower:]", "[:upper:]", _in=stdin)
self.assertEqual(out, test_string.upper())
def test_manual_stdin_queue(self):
from sh import tr
try: from Queue import Queue, Empty
except ImportError: from queue import Queue, Empty
test = ["testing\n", "herp\n", "derp\n"]
q = Queue()
for t in test: q.put(t)
q.put(None) # EOF
out = tr("[:lower:]", "[:upper:]", _in=q)
match = "".join([t.upper() for t in test])
self.assertEqual(out, match)
def test_environment(self):
""" tests that environments variables that we pass into sh commands
exist in the environment, and on the sh module """
import os
# this is the environment we'll pass into our commands
env = {"HERP": "DERP"}
# python on osx will bizarrely add some extra environment variables that
# i didn't ask for. for this test, we prune those out if they exist
osx_cruft = [
"__CF_USER_TEXT_ENCODING",
"__PYVENV_LAUNCHER__",
"VERSIONER_PYTHON_PREFER_32_BIT",
"VERSIONER_PYTHON_VERSION",
]
# first we test that the environment exists in our child process as
# we've set it
py = create_tmp_test("""
import os
osx_cruft = %s
for key in osx_cruft:
try: del os.environ[key]
except: pass
print(os.environ["HERP"] + " " + str(len(os.environ)))
""" % osx_cruft)
out = python(py.name, _env=env).strip()
self.assertEqual(out, "DERP 1")
py = create_tmp_test("""
import os, sys
sys.path.insert(0, os.getcwd())
import sh
osx_cruft = %s
for key in osx_cruft:
try: del os.environ[key]
except: pass
print(sh.HERP + " " + str(len(os.environ)))
""" % osx_cruft)
out = python(py.name, _env=env, _cwd=THIS_DIR).strip()
self.assertEqual(out, "DERP 1")
def test_which(self):
from sh import which, ls
self.assertEqual(which("fjoawjefojawe"), None)
self.assertEqual(which("ls"), str(ls))
def test_foreground(self):
return
raise NotImplementedError
def test_no_arg(self):
import pwd
from sh import whoami
u1 = whoami().strip()
u2 = pwd.getpwuid(os.geteuid())[0]
self.assertEqual(u1, u2)
def test_incompatible_special_args(self):
from sh import ls
self.assertRaises(TypeError, ls, _iter=True, _piped=True)
def test_exception(self):
from sh import ls, ErrorReturnCode_1, ErrorReturnCode_2
exc_to_test = ErrorReturnCode_2
if IS_OSX: exc_to_test = ErrorReturnCode_1
self.assertRaises(exc_to_test, ls, "/aofwje/garogjao4a/eoan3on")
def test_command_not_found(self):
from sh import CommandNotFound
def do_import(): from sh import aowjgoawjoeijaowjellll
self.assertRaises(ImportError, do_import)
def do_import():
import sh
sh.awoefaowejfw
self.assertRaises(CommandNotFound, do_import)
def do_import():
import sh
sh.Command("ofajweofjawoe")
self.assertRaises(CommandNotFound, do_import)
def test_command_wrapper_equivalence(self):
from sh import Command, ls, which
self.assertEqual(Command(which("ls")), ls)
def test_doesnt_execute_directories(self):
save_path = os.environ['PATH']
bin_dir1 = tempfile.mkdtemp()
bin_dir2 = tempfile.mkdtemp()
gcc_dir1 = os.path.join(bin_dir1, 'gcc')
gcc_file2 = os.path.join(bin_dir2, 'gcc')
try:
os.environ['PATH'] = os.pathsep.join((bin_dir1, bin_dir2))
# a folder named 'gcc', its executable, but should not be
# discovered by internal which(1)-clone
os.makedirs(gcc_dir1)
# an executable named gcc -- only this should be executed
bunk_header = '#!/bin/sh\necho $*'
with open(gcc_file2, "w") as h:
h.write(bunk_header)
os.chmod(gcc_file2, int(0o755))
from sh import gcc
if IS_PY3:
self.assertEqual(gcc._path,
gcc_file2.encode(sh.DEFAULT_ENCODING))
else:
self.assertEqual(gcc._path, gcc_file2)
self.assertEqual(gcc('no-error').stdout.strip(),
'no-error'.encode("ascii"))
finally:
os.environ['PATH'] = save_path
if exists(gcc_file2):
os.unlink(gcc_file2)
if exists(gcc_dir1):
os.rmdir(gcc_dir1)
if exists(bin_dir1):
os.rmdir(bin_dir1)
if exists(bin_dir1):
os.rmdir(bin_dir2)
def test_multiple_args_short_option(self):
py = create_tmp_test("""
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-l", dest="long_option")
options, args = parser.parse_args()
print(len(options.long_option.split()))
""")
num_args = int(python(py.name, l="one two three"))
self.assertEqual(num_args, 3)
num_args = int(python(py.name, "-l", "one's two's three's"))
self.assertEqual(num_args, 3)
def test_multiple_args_long_option(self):
py = create_tmp_test("""
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-l", "--long-option", dest="long_option")
options, args = parser.parse_args()
print(len(options.long_option.split()))
""")
num_args = int(python(py.name, long_option="one two three"))
self.assertEqual(num_args, 3)
num_args = int(python(py.name, "--long-option", "one's two's three's"))
self.assertEqual(num_args, 3)
def test_short_bool_option(self):
py = create_tmp_test("""
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-s", action="store_true", default=False, dest="short_option")
options, args = parser.parse_args()
print(options.short_option)
""")
self.assertTrue(python(py.name, s=True).strip() == "True")
self.assertTrue(python(py.name, s=False).strip() == "False")
self.assertTrue(python(py.name).strip() == "False")
def test_long_bool_option(self):
py = create_tmp_test("""
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-l", "--long-option", action="store_true", default=False, dest="long_option")
options, args = parser.parse_args()
print(options.long_option)
""")
self.assertTrue(python(py.name, long_option=True).strip() == "True")
self.assertTrue(python(py.name).strip() == "False")
def test_composition(self):
from sh import ls, wc
c1 = int(wc(ls("-A1"), l=True))
c2 = len(os.listdir("."))
self.assertEqual(c1, c2)
def test_incremental_composition(self):
from sh import ls, wc
c1 = int(wc(ls("-A1", _piped=True), l=True).strip())
c2 = len(os.listdir("."))
self.assertEqual(c1, c2)
def test_short_option(self):
from sh import sh
s1 = sh(c="echo test").strip()
s2 = "test"
self.assertEqual(s1, s2)
def test_long_option(self):
py = create_tmp_test("""
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-l", "--long-option", action="store", default="", dest="long_option")
options, args = parser.parse_args()
print(options.long_option.upper())
""")
self.assertTrue(python(py.name, long_option="testing").strip() == "TESTING")
self.assertTrue(python(py.name).strip() == "")
def test_raw_args(self):
py = create_tmp_test("""
from optparse import OptionParser
parser = OptionParser()
parser.add_option("--long_option", action="store", default=None,
dest="long_option1")
parser.add_option("--long-option", action="store", default=None,
dest="long_option2")
options, args = parser.parse_args()
if options.long_option1:
print(options.long_option1.upper())
else:
print(options.long_option2.upper())
""")
self.assertEqual(python(py.name,
{"long_option": "underscore"}).strip(), "UNDERSCORE")
self.assertEqual(python(py.name, long_option="hyphen").strip(), "HYPHEN")
def test_custom_separator(self):
py = create_tmp_test("""
import sys
print(sys.argv[1])
""")
self.assertEqual(python(py.name,
{"long-option": "underscore"}, _long_sep="=custom=").strip(), "--long-option=custom=underscore")
# test baking too
python_baked = python.bake(py.name, {"long-option": "underscore"}, _long_sep="=baked=")
self.assertEqual(python_baked().strip(), "--long-option=baked=underscore")
def test_command_wrapper(self):
from sh import Command, which
ls = Command(which("ls"))
wc = Command(which("wc"))
c1 = int(wc(ls("-A1"), l=True))
c2 = len(os.listdir("."))
self.assertEqual(c1, c2)
def test_background(self):
from sh import sleep
import time
start = time.time()
sleep_time = .5
p = sleep(sleep_time, _bg=True)
now = time.time()
self.assertTrue(now - start < sleep_time)
p.wait()
now = time.time()
self.assertTrue(now - start > sleep_time)
def test_background_exception(self):
from sh import ls, ErrorReturnCode_1, ErrorReturnCode_2
p = ls("/ofawjeofj", _bg=True) # should not raise
exc_to_test = ErrorReturnCode_2
if IS_OSX: exc_to_test = ErrorReturnCode_1
self.assertRaises(exc_to_test, p.wait) # should raise
def test_with_context(self):
from sh import whoami
import getpass
py = create_tmp_test("""
import sys
import os
import subprocess
print("with_context")
subprocess.Popen(sys.argv[1:], shell=False).wait()
""")
cmd1 = python.bake(py.name, _with=True)
with cmd1:
out = whoami()
self.assertTrue("with_context" in out)
self.assertTrue(getpass.getuser() in out)
def test_with_context_args(self):
from sh import whoami
import getpass
py = create_tmp_test("""
import sys
import os
import subprocess
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-o", "--opt", action="store_true", default=False, dest="opt")
options, args = parser.parse_args()
if options.opt:
subprocess.Popen(args[0], shell=False).wait()
""")
with python(py.name, opt=True, _with=True):
out = whoami()
self.assertTrue(getpass.getuser() == out.strip())
with python(py.name, _with=True):
out = whoami()
self.assertTrue(out == "")
def test_err_to_out(self):
py = create_tmp_test("""
import sys
import os
sys.stdout.write("stdout")
sys.stdout.flush()
sys.stderr.write("stderr")
sys.stderr.flush()
""")
stdout = python(py.name, _err_to_out=True)
self.assertTrue(stdout == "stdoutstderr")
def test_out_redirection(self):
import tempfile
py = create_tmp_test("""
import sys
import os
sys.stdout.write("stdout")
sys.stderr.write("stderr")
""")
file_obj = tempfile.TemporaryFile()
out = python(py.name, _out=file_obj)
self.assertTrue(len(out) == 0)
file_obj.seek(0)
actual_out = file_obj.read()
file_obj.close()
self.assertTrue(len(actual_out) != 0)
# test with tee
file_obj = tempfile.TemporaryFile()
out = python(py.name, _out=file_obj, _tee=True)
self.assertTrue(len(out) != 0)
file_obj.seek(0)
actual_out = file_obj.read()
file_obj.close()
self.assertTrue(len(actual_out) != 0)
def test_err_redirection(self):
import tempfile
py = create_tmp_test("""
import sys
import os
sys.stdout.write("stdout")
sys.stderr.write("stderr")
""")
file_obj = tempfile.TemporaryFile()
p = python(py.name, _err=file_obj)
file_obj.seek(0)
stderr = file_obj.read().decode()
file_obj.close()
self.assertTrue(p.stdout == b"stdout")
self.assertTrue(stderr == "stderr")
self.assertTrue(len(p.stderr) == 0)
# now with tee
file_obj = tempfile.TemporaryFile()
p = python(py.name, _err=file_obj, _tee="err")
file_obj.seek(0)
stderr = file_obj.read().decode()
file_obj.close()
self.assertTrue(p.stdout == b"stdout")
self.assertTrue(stderr == "stderr")
self.assertTrue(len(p.stderr) != 0)
def test_err_redirection_actual_file(self):
import tempfile
file_obj = tempfile.NamedTemporaryFile()
py = create_tmp_test("""
import sys
import os
sys.stdout.write("stdout")
sys.stderr.write("stderr")
""")
stdout = python(py.name, _err=file_obj.name, u=True).wait()
file_obj.seek(0)
stderr = file_obj.read().decode()
file_obj.close()
self.assertTrue(stdout == "stdout")
self.assertTrue(stderr == "stderr")
def test_subcommand_and_bake(self):
from sh import ls
import getpass
py = create_tmp_test("""
import sys
import os
import subprocess
print("subcommand")
subprocess.Popen(sys.argv[1:], shell=False).wait()
""")
cmd1 = python.bake(py.name)
out = cmd1.whoami()
self.assertTrue("subcommand" in out)
self.assertTrue(getpass.getuser() in out)
def test_multiple_bakes(self):
from sh import whoami
import getpass
py = create_tmp_test("""
import sys
import subprocess
subprocess.Popen(sys.argv[1:], shell=False).wait()
""")
out = python.bake(py.name).bake("whoami")()
self.assertTrue(getpass.getuser() == out.strip())
def test_bake_args_come_first(self):
from sh import ls
ls = ls.bake(h=True)
ran = ls("-la").ran
ft = ran.index("-h")
self.assertTrue("-la" in ran[ft:])
def test_output_equivalence(self):
from sh import whoami
iam1 = whoami()
iam2 = whoami()
self.assertEqual(iam1, iam2)
def test_stdout_callback(self):
py = create_tmp_test("""
import sys
import os
for i in range(5): print(i)
""")
stdout = []
def agg(line):
stdout.append(line)
p = python(py.name, _out=agg, u=True)
p.wait()
self.assertTrue(len(stdout) == 5)
def test_stdout_callback_no_wait(self):
import time
py = create_tmp_test("""
import sys
import os
import time
for i in range(5):
print(i)
time.sleep(.5)
""")
stdout = []
def agg(line): stdout.append(line)
p = python(py.name, _out=agg, u=True, _bg=True)
# we give a little pause to make sure that the NamedTemporaryFile
# exists when the python process actually starts
time.sleep(.5)
self.assertTrue(len(stdout) != 5)
def test_stdout_callback_line_buffered(self):
py = create_tmp_test("""
import sys
import os
for i in range(5): print("herpderp")
""")
stdout = []
def agg(line): stdout.append(line)
p = python(py.name, _out=agg, _out_bufsize=1, u=True)
p.wait()
self.assertTrue(len(stdout) == 5)
def test_stdout_callback_line_unbuffered(self):
py = create_tmp_test("""
import sys
import os
for i in range(5): print("herpderp")
""")
stdout = []
def agg(char): stdout.append(char)
p = python(py.name, _out=agg, _out_bufsize=0, u=True)
p.wait()
# + 5 newlines
self.assertTrue(len(stdout) == (len("herpderp") * 5 + 5))
def test_stdout_callback_buffered(self):
py = create_tmp_test("""
import sys
import os
for i in range(5): sys.stdout.write("herpderp")
""")
stdout = []
def agg(chunk): stdout.append(chunk)
p = python(py.name, _out=agg, _out_bufsize=4, u=True)
p.wait()
self.assertTrue(len(stdout) == (len("herp") / 2 * 5))
def test_stdout_callback_with_input(self):
py = create_tmp_test("""
import sys
import os
IS_PY3 = sys.version_info[0] == 3
if IS_PY3: raw_input = input
for i in range(5): print(str(i))
derp = raw_input("herp? ")
print(derp)
""")
def agg(line, stdin):
if line.strip() == "4": stdin.put("derp\n")
p = python(py.name, _out=agg, u=True, _tee=True)
p.wait()
self.assertTrue("derp" in p)
def test_stdout_callback_exit(self):
py = create_tmp_test("""
import sys
import os
for i in range(5): print(i)
""")
stdout = []
def agg(line):
line = line.strip()
stdout.append(line)
if line == "2": return True
p = python(py.name, _out=agg, u=True, _tee=True)
p.wait()
self.assertTrue("4" in p)
self.assertTrue("4" not in stdout)
def test_stdout_callback_terminate(self):
import signal
py = create_tmp_test("""
import sys
import os
import time
for i in range(5):
print(i)
time.sleep(.5)
""")
stdout = []
def agg(line, stdin, process):
line = line.strip()
stdout.append(line)
if line == "3":
process.terminate()
return True
caught_signal = False
try:
p = python(py.name, _out=agg, u=True, _bg=True)
p.wait()
except sh.SignalException_SIGTERM:
caught_signal = True
self.assertTrue(caught_signal)
self.assertEqual(p.process.exit_code, -signal.SIGTERM)
self.assertTrue("4" not in p)
self.assertTrue("4" not in stdout)
def test_stdout_callback_kill(self):
import signal
import sh
py = create_tmp_test("""
import sys
import os
import time
for i in range(5):
print(i)
time.sleep(.5)
""")
stdout = []
def agg(line, stdin, process):
line = line.strip()
stdout.append(line)
if line == "3":
process.kill()
return True
caught_signal = False
try:
p = python(py.name, _out=agg, u=True, _bg=True)
p.wait()
except sh.SignalException_SIGKILL:
caught_signal = True
self.assertTrue(caught_signal)
self.assertEqual(p.process.exit_code, -signal.SIGKILL)
self.assertTrue("4" not in p)
self.assertTrue("4" not in stdout)
def test_general_signal(self):
import signal
from signal import SIGINT
py = create_tmp_test("""
import sys
import os
import time
import signal
def sig_handler(sig, frame):
print(10)
exit(0)
signal.signal(signal.SIGINT, sig_handler)
for i in range(5):
print(i)
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