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import platform
import unittest
import re
import os
import pexpect
from pexpect import replwrap
class REPLWrapTestCase(unittest.TestCase):
def setUp(self):
super(REPLWrapTestCase, self).setUp()
self.save_ps1 = os.getenv('PS1', r'\$')
self.save_ps2 = os.getenv('PS2', '>')
os.putenv('PS1', r'\$')
os.putenv('PS2', '>')
def tearDown(self):
super(REPLWrapTestCase, self).tearDown()
os.putenv('PS1', self.save_ps1)
os.putenv('PS2', self.save_ps2)
def test_bash(self):
bash = replwrap.bash()
res = bash.run_command("time")
assert 'real' in res, res
# PAGER should be set to cat, otherwise man hangs
res = bash.run_command('man sleep', timeout=5)
assert 'SLEEP' in res, res
def test_multiline(self):
bash = replwrap.bash()
res = bash.run_command("echo '1 2\n3 4'")
self.assertEqual(res.strip().splitlines(), ['1 2', '3 4'])
# Should raise ValueError if input is incomplete
try:
bash.run_command("echo '5 6")
except ValueError:
pass
else:
assert False, "Didn't raise ValueError for incomplete input"
# Check that the REPL was reset (SIGINT) after the incomplete input
res = bash.run_command("echo '1 2\n3 4'")
self.assertEqual(res.strip().splitlines(), ['1 2', '3 4'])
def test_existing_spawn(self):
child = pexpect.spawnu("bash", timeout=5, echo=False)
repl = replwrap.REPLWrapper(child, re.compile('[$#]'),
"PS1='{0}' PS2='{1}' "
"PROMPT_COMMAND=''")
res = repl.run_command("echo $HOME")
assert res.startswith('/'), res
def test_python(self):
if platform.python_implementation() == 'PyPy':
raise unittest.SkipTest("This test fails on PyPy because of REPL differences")
p = replwrap.python()
res = p.run_command('4+7')
assert res.strip() == '11'
res = p.run_command('for a in range(3): print(a)\n')
assert res.strip().splitlines() == ['0', '1', '2']
def test_no_change_prompt(self):
if platform.python_implementation() == 'PyPy':
raise unittest.SkipTest("This test fails on PyPy because of REPL differences")
child = pexpect.spawnu('python', echo=False, timeout=5)
# prompt_change=None should mean no prompt change
py = replwrap.REPLWrapper(child, replwrap.u(">>> "), prompt_change=None,
continuation_prompt=replwrap.u("... "))
assert py.prompt == ">>> "
res = py.run_command("for a in range(3): print(a)\n")
assert res.strip().splitlines() == ['0', '1', '2']
if __name__ == '__main__':
unittest.main()
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