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#!/usr/bin/env python
"""
PEXPECT LICENSE
This license is approved by the OSI and FSF as GPL-compatible.
http://opensource.org/licenses/isc-license.txt
Copyright (c) 2012, Noah Spurrier <noah@noah.org>
PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
"""
import pexpect
import unittest
import PexpectTestCase
import time
import os
import re
class TestCaseMisc(PexpectTestCase.PexpectTestCase):
def test_isatty (self):
child = pexpect.spawn('cat')
assert child.isatty(), "Not returning True. Should always be True."
def test_read (self):
child = pexpect.spawn('cat')
child.sendline ("abc")
child.sendeof()
assert child.read(0) == '', "read(0) did not return ''"
assert child.read(1) == 'a', "read(1) did not return 'a'"
assert child.read(1) == 'b', "read(1) did not return 'b'"
assert child.read(1) == 'c', "read(1) did not return 'c'"
assert child.read(2) == '\r\n', "read(2) did not return '\\r\\n'"
assert child.read() == 'abc\r\n', "read() did not return 'abc\\r\\n'"
def test_readline (self):
child = pexpect.spawn('cat')
child.sendline ("abc")
child.sendline ("123")
child.sendeof()
line1 = child.readline(0)
line2 = child.readline()
line3 = child.readline(2)
line4 = child.readline(1)
line5 = child.readline()
assert line1 == '', "readline(0) did not return ''. Returned: " + repr(line1)
assert line2 == 'abc\r\n', "readline() did not return 'abc\\r\\n'. Returned: " + repr(line2)
assert line3 == 'abc\r\n', "readline(2) did not return 'abc\\r\\n'. Returned: " + repr(line3)
assert line4 == '123\r\n', "readline(1) did not return '123\\r\\n'. Returned: " + repr(line4)
assert line5 == '123\r\n', "readline() did not return '123\\r\\n'. Returned: " + repr(line5)
def test_iter (self):
child = pexpect.spawn('cat')
child.sendline ("abc")
child.sendline ("123")
child.sendeof()
# Don't use "".join() because we want to test the ITERATOR.
page = ""
for line in child:
page = page + line
assert page == 'abc\r\nabc\r\n123\r\n123\r\n', "iterator did not work. page=%s"%repr(page)
def test_readlines(self):
child = pexpect.spawn('cat')
child.sendline ("abc")
child.sendline ("123")
child.sendeof()
page = child.readlines()
page = ''.join(page)
assert page == 'abc\r\nabc\r\n123\r\n123\r\n', "readlines() did not work. page=%s"%repr(page)
def test_write (self):
child = pexpect.spawn('cat')
child.write('a')
child.write('\r')
assert child.readline() == 'a\r\n', "write() did not work"
def test_writelines (self):
child = pexpect.spawn('cat')
child.writelines(['abc','123','xyz','\r'])
child.sendeof()
line = child.readline()
assert line == 'abc123xyz\r\n', "writelines() did not work. line=%s"%repr(line)
def test_eof(self):
child = pexpect.spawn('cat')
child.sendeof()
try:
child.expect ('the unexpected')
except:
pass
assert child.eof(), "child.eof() did not return True"
def test_terminate(self):
child = pexpect.spawn('cat')
child.terminate(force=1)
assert child.terminated, "child.terminated is not True"
def test_bad_child_pid(self):
child = pexpect.spawn('cat')
child.terminate(force=1)
child.terminated = 0 # Force invalid state to test code
try:
child.isalive()
except pexpect.ExceptionPexpect, e:
pass
else:
self.fail ("child.isalive() should have raised a pexpect.ExceptionPexpect")
child.terminated = 1 # Force back to valid state so __del__ won't complain
def test_bad_arguments (self):
"""This tests that we get a graceful error when passing bad arguments."""
try:
p = pexpect.spawn(1)
except pexpect.ExceptionPexpect, e:
pass
else:
self.fail ("pexpect.spawn(1) should have raised a pexpect.ExceptionPexpect.")
try:
p = pexpect.spawn('ls', '-la') # should really use pexpect.spawn('ls', ['-ls'])
except TypeError, e:
pass
else:
self.fail ("pexpect.spawn('ls', '-la') should have raised a TypeError.")
try:
p = pexpect.spawn('cat')
p.close()
p.read_nonblocking(size=1, timeout=3)
except ValueError, e:
pass
else:
self.fail ("read_nonblocking on closed spawn object should have raised a ValueError.")
def test_isalive(self):
child = pexpect.spawn('cat')
assert child.isalive(), "child.isalive() did not return True"
child.sendeof()
child.expect(pexpect.EOF)
assert not child.isalive(), "child.isalive() did not return False"
def test_bad_type_in_expect(self):
child = pexpect.spawn('cat')
try:
child.expect({}) # We don't support dicts yet. Should give TypeError
except TypeError, e:
pass
else:
self.fail ("child.expect({}) should have raised a TypeError")
def test_winsize(self):
child = pexpect.spawn('cat')
child.setwinsize(10,13)
assert child.getwinsize()==(10,13), "getwinsize() did not return (10,13)"
def test_env(self):
default = pexpect.run('env')
userenv = pexpect.run('env', env={'foo':'pexpect'})
assert default!=userenv, "'default' and 'userenv' should be different"
assert 'foo' in userenv and 'pexpect' in userenv, "'foo' and 'pexpect' should be in 'userenv'"
def test_cwd (self): # This assumes 'pwd' and '/tmp' exist on this platform.
default = pexpect.run('pwd')
tmpdir = pexpect.run('pwd', cwd='/tmp')
assert default!=tmpdir, "'default' and 'tmpdir' should be different"
assert ('tmp' in tmpdir), "'tmp' should be returned by 'pwd' command"
def test_which (self):
p = os.defpath
ep = os.environ['PATH']
os.defpath = ":/tmp"
os.environ['PATH'] = ":/tmp"
wp = pexpect.which ("ticker.py")
assert wp == 'ticker.py', "Should return a string. Returned %s" % wp
os.defpath = "/tmp"
os.environ['PATH'] = "/tmp"
wp = pexpect.which ("ticker.py")
assert wp == None, "Executable should not be found. Returned %s" % wp
os.defpath = p
os.environ['PATH'] = ep
def test_searcher_re (self):
ss = pexpect.searcher_re ([re.compile('this'),re.compile('that'),re.compile('and'),re.compile('the'),re.compile('other')])
assert ss.__str__() == 'searcher_re:\n 0: re.compile("this")\n 1: re.compile("that")\n 2: re.compile("and")\n 3: re.compile("the")\n 4: re.compile("other")'
ss = pexpect.searcher_re ([pexpect.TIMEOUT,re.compile('this'),re.compile('that'),re.compile('and'),pexpect.EOF,re.compile('other')])
assert ss.__str__() == 'searcher_re:\n 0: TIMEOUT\n 1: re.compile("this")\n 2: re.compile("that")\n 3: re.compile("and")\n 4: EOF\n 5: re.compile("other")'
def test_searcher_string (self):
ss = pexpect.searcher_string (['this','that','and','the','other'])
assert ss.__str__() == 'searcher_string:\n 0: "this"\n 1: "that"\n 2: "and"\n 3: "the"\n 4: "other"', repr(ss.__str__())
ss = pexpect.searcher_string (['this',pexpect.EOF,'that','and','the','other',pexpect.TIMEOUT])
assert ss.__str__() == 'searcher_string:\n 0: "this"\n 1: EOF\n 2: "that"\n 3: "and"\n 4: "the"\n 5: "other"\n 6: TIMEOUT'
if __name__ == '__main__':
unittest.main()
suite = unittest.makeSuite(TestCaseMisc,'test')
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