mirror of
https://github.com/clearml/wexpect-venv
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397 lines
14 KiB
Python
397 lines
14 KiB
Python
#!/usr/bin/env python
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'''
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wexpect LICENSE
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This license is approved by the OSI and FSF as GPL-compatible.
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http://opensource.org/licenses/isc-license.txt
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Copyright (c) 2012, Noah Spurrier <noah@noah.org>
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PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
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PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
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COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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'''
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import multiprocessing
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import unittest
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import subprocess
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import time
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import signal
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import sys
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import os
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import wexpect
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from . import PexpectTestCase
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from .utils import no_coverage_env
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# Many of these test cases blindly assume that sequential directory
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# listings of the /bin directory will yield the same results.
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# This may not be true, but seems adequate for testing now.
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# I should fix this at some point.
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PYTHONBINQUOTE = '"{}"'.format(sys.executable)
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FILTER=''.join([(len(repr(chr(x)))==3) and chr(x) or '.' for x in range(256)])
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def hex_dump(src, length=16):
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result=[]
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for i in range(0, len(src), length):
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s = src[i:i+length]
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hexa = ' '.join(["%02X"%ord(x) for x in s])
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printable = s.translate(FILTER)
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result.append("%04X %-*s %s\n" % (i, length*3, hexa, printable))
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return ''.join(result)
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def hex_diff(left, right):
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diff = ['< %s\n> %s' % (_left, _right,) for _left, _right in zip(
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hex_dump(left).splitlines(), hex_dump(right).splitlines())
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if _left != _right]
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return '\n' + '\n'.join(diff,)
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class ExpectTestCase (PexpectTestCase.PexpectTestCase):
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def test_expect_basic (self):
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p = wexpect.spawn('cat', timeout=5)
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p.sendline ('Hello')
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p.sendline ('there')
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p.sendline ('Mr. Python')
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p.expect ('Hello')
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p.expect ('there')
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p.expect ('Mr. Python')
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p.sendeof ()
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p.expect (wexpect.EOF)
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def test_expect_exact_basic (self):
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p = wexpect.spawn('cat', timeout=5)
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p.sendline ('Hello')
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p.sendline ('there')
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p.sendline ('Mr. Python')
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p.expect_exact ('Hello')
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p.expect_exact ('there')
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p.expect_exact ('Mr. Python')
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p.sendeof ()
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p.expect_exact (wexpect.EOF)
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def test_expect_ignore_case(self):
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'''This test that the ignorecase flag will match patterns
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even if case is different using the regex (?i) directive.
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'''
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p = wexpect.spawn('cat', timeout=5)
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p.sendline ('HELLO')
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p.sendline ('there')
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p.expect ('(?i)hello')
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p.expect ('(?i)THERE')
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p.sendeof ()
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p.expect (wexpect.EOF)
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def test_expect_ignore_case_flag(self):
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'''This test that the ignorecase flag will match patterns
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even if case is different using the ignorecase flag.
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'''
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p = wexpect.spawn('cat', timeout=5)
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p.ignorecase = True
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p.sendline ('HELLO')
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p.sendline ('there')
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p.expect ('hello')
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p.expect ('THERE')
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p.sendeof ()
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p.expect (wexpect.EOF)
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def test_expect_order (self):
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'''This tests that patterns are matched in the same order as given in the pattern_list.
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(Or does it? Doesn't it also pass if expect() always chooses
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(one of the) the leftmost matches in the input? -- grahn)
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... agreed! -jquast, the buffer ptr isn't forwarded on match, see first two test cases
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'''
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p = wexpect.spawn('cat', timeout=5, echo=False)
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self._expect_order(p)
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def test_expect_order_exact (self):
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'''Like test_expect_order(), but using expect_exact().
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'''
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p = wexpect.spawn('cat', timeout=5, echo=False)
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p.expect = p.expect_exact
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self._expect_order(p)
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def _expect_order (self, p):
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p.sendline ('1234')
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p.sendline ('abcd')
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p.sendline ('wxyz')
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p.sendline ('7890')
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p.sendeof ()
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index = p.expect ([
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'1234',
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'abcd',
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'wxyz',
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wexpect.EOF,
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'7890' ])
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self.assertEqual(index, 0, (index, p.before, p.after))
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index = p.expect ([
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'54321',
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wexpect.TIMEOUT,
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'1234',
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'abcd',
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'wxyz',
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wexpect.EOF], timeout=5)
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self.assertEqual(index, 3, (index, p.before, p.after))
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index = p.expect ([
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'54321',
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wexpect.TIMEOUT,
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'1234',
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'abcd',
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'wxyz',
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wexpect.EOF], timeout=5)
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self.assertEqual(index, 4, (index, p.before, p.after))
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index = p.expect ([
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wexpect.EOF,
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'abcd',
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'wxyz',
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'7890' ])
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self.assertEqual(index, 3, (index, p.before, p.after))
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index = p.expect ([
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'abcd',
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'wxyz',
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'7890',
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wexpect.EOF])
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self.assertEqual(index, 3, (index, p.before, p.after))
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def test_expect_index (self):
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'''This tests that mixed list of regex strings, TIMEOUT, and EOF all
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return the correct index when matched.
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'''
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p = wexpect.spawn('cat', timeout=5, echo=False)
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self._expect_index(p)
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def test_expect_index_exact (self):
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'''Like test_expect_index(), but using expect_exact().
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'''
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p = wexpect.spawn('cat', timeout=5, echo=False)
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p.expect = p.expect_exact
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self._expect_index(p)
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def _expect_index (self, p):
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p.sendline ('1234')
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index = p.expect (['abcd','wxyz','1234',wexpect.EOF])
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self.assertEqual(index, 2, "index="+str(index))
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p.sendline ('abcd')
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index = p.expect ([wexpect.TIMEOUT,'abcd','wxyz','1234',wexpect.EOF])
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self.assertEqual(index, 1, "index="+str(index))
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p.sendline ('wxyz')
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index = p.expect (['54321',wexpect.TIMEOUT,'abcd','wxyz','1234',wexpect.EOF])
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self.assertEqual(index, 3, "index="+str(index)) # Expect 'wxyz'
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p.sendline ('$*!@?')
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index = p.expect (['54321',wexpect.TIMEOUT,'abcd','wxyz','1234',wexpect.EOF],
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timeout=1)
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self.assertEqual(index, 1, "index="+str(index)) # Expect TIMEOUT
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p.sendeof ()
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index = p.expect (['54321',wexpect.TIMEOUT,'abcd','wxyz','1234',wexpect.EOF])
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self.assertEqual(index, 5, "index="+str(index)) # Expect EOF
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def test_expect (self):
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the_old_way = subprocess.Popen(args=['ls', '-l'],
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stdout=subprocess.PIPE).communicate()[0].rstrip()
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p = wexpect.spawn('ls -l')
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the_new_way = ''
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while 1:
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i = p.expect (['\n', wexpect.EOF])
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the_new_way = the_new_way + p.before
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if i == 1:
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break
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the_new_way = the_new_way.rstrip()
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the_new_way = the_new_way.replace('\r\n', '\n'
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).replace('\r', '\n').replace('\n\n', '\n').rstrip()
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the_old_way = the_old_way.decode('utf-8')
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the_old_way = the_old_way.replace('\r\n', '\n'
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).replace('\r', '\n').replace('\n\n', '\n').rstrip()
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# print(repr(the_old_way))
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# print(repr(the_new_way))
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# the_old_way = the_old_way[0:10000]
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# the_new_way = the_new_way[0:10000]
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self.assertEqual(the_old_way, the_new_way)
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def test_expect_exact (self):
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the_old_way = subprocess.Popen(args=['ls', '-l'],
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stdout=subprocess.PIPE).communicate()[0].rstrip()
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p = wexpect.spawn('ls -l')
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the_new_way = ''
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while 1:
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i = p.expect_exact (['\n', wexpect.EOF])
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the_new_way = the_new_way + p.before
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if i == 1:
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break
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the_new_way = the_new_way.replace('\r\n', '\n'
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).replace('\r', '\n').replace('\n\n', '\n').rstrip()
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the_old_way = the_old_way.decode('utf-8')
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the_old_way = the_old_way.replace('\r\n', '\n'
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).replace('\r', '\n').replace('\n\n', '\n').rstrip()
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self.assertEqual(the_old_way, the_new_way)
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p = wexpect.spawn('echo hello.?world')
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i = p.expect_exact('.?')
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self.assertEqual(p.before, 'hello')
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self.assertEqual(p.after, '.?')
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def test_expect_eof (self):
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the_old_way = subprocess.Popen(args=['ls', '-l'],
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stdout=subprocess.PIPE).communicate()[0].rstrip()
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p = wexpect.spawn('ls -l')
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p.expect(wexpect.EOF) # This basically tells it to read everything. Same as wexpect.run() function.
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the_new_way = p.before
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the_new_way = the_new_way.replace('\r\n', '\n'
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).replace('\r', '\n').replace('\n\n', '\n').rstrip()
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the_old_way = the_old_way.decode('utf-8')
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the_old_way = the_old_way.replace('\r\n', '\n'
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).replace('\r', '\n').replace('\n\n', '\n').rstrip()
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self.assertEqual(the_old_way, the_new_way)
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def test_expect_timeout (self):
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p = wexpect.spawn('cat', timeout=5)
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p.expect(wexpect.TIMEOUT) # This tells it to wait for timeout.
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self.assertEqual(p.after, wexpect.TIMEOUT)
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def test_unexpected_eof (self):
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p = wexpect.spawn('ls -l /bin')
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try:
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p.expect('_Z_XY_XZ') # Probably never see this in ls output.
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except wexpect.EOF:
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pass
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else:
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self.fail ('Expected an EOF exception.')
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def test_buffer_interface(self):
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p = wexpect.spawn('cat', timeout=5)
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p.sendline ('Hello')
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p.expect ('Hello')
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assert len(p.buffer)
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p.buffer = 'Testing'
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p.sendeof ()
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def _before_after(self, p):
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p.timeout = 5
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p.expect('5')
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self.assertEqual(p.after, '5')
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self.assertTrue(p.before.startswith('[0, 1, 2'), p.before)
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p.expect('50')
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self.assertEqual(p.after, '50')
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self.assertTrue(p.before.startswith(', 6, 7, 8'), p.before[:20])
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self.assertTrue(p.before.endswith('48, 49, '), p.before[-20:])
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p.expect(wexpect.EOF)
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self.assertEqual(p.after, wexpect.EOF)
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assert p.before.startswith(', 51, 52'), p.before[:20]
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assert p.before.endswith(', 99]\r\n'), p.before[-20:]
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def test_before_after(self):
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'''This tests expect() for some simple before/after things.
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'''
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p = wexpect.spawn('%s -Wi list100.py' % PYTHONBINQUOTE, env=no_coverage_env())
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self._before_after(p)
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def test_before_after_exact(self):
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'''This tests some simple before/after things, for
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expect_exact(). (Grahn broke it at one point.)
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'''
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p = wexpect.spawn('%s -Wi list100.py' % PYTHONBINQUOTE, env=no_coverage_env())
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# mangle the spawn so we test expect_exact() instead
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p.expect = p.expect_exact
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self._before_after(p)
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def _ordering(self, p):
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p.timeout = 20
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p.expect('>>> ')
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p.sendline('list(range(4*3))')
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self.assertEqual(p.expect(['5,', '5,']), 0)
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p.expect('>>> ')
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p.sendline('list(range(4*3))')
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self.assertEqual(p.expect(['7,', '5,']), 1)
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p.expect('>>> ')
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p.sendline('list(range(4*3))')
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self.assertEqual(p.expect(['5,', '7,']), 0)
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p.expect('>>> ')
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p.sendline('list(range(4*5))')
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self.assertEqual(p.expect(['2,', '12,']), 0)
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p.expect('>>> ')
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p.sendline('list(range(4*5))')
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self.assertEqual(p.expect(['12,', '2,']), 1)
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def test_ordering(self):
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'''This tests expect() for which pattern is returned
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when many may eventually match. I (Grahn) am a bit
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confused about what should happen, but this test passes
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with wexpect 2.1.
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'''
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p = wexpect.spawn(PYTHONBINQUOTE)
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self._ordering(p)
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def test_ordering_exact(self):
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'''This tests expect_exact() for which pattern is returned
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when many may eventually match. I (Grahn) am a bit
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confused about what should happen, but this test passes
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for the expect() method with wexpect 2.1.
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'''
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p = wexpect.spawn(PYTHONBINQUOTE)
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# mangle the spawn so we test expect_exact() instead
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p.expect = p.expect_exact
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self._ordering(p)
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def _greed(self, expect):
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# End at the same point: the one with the earliest start should win
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self.assertEqual(expect(['3, 4', '2, 3, 4']), 1)
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# Start at the same point: first pattern passed wins
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self.assertEqual(expect(['5,', '5, 6']), 0)
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# Same pattern passed twice: first instance wins
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self.assertEqual(expect(['7, 8', '7, 8, 9', '7, 8']), 0)
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def _greed_read1(self, expect):
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# Here, one has an earlier start and a later end. When processing
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# one character at a time, the one that finishes first should win,
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# because we don't know about the other match when it wins.
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# If maxread > 1, this behaviour is currently undefined, although in
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# most cases the one that starts first will win.
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self.assertEqual(expect(['1, 2, 3', '2,']), 1)
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def test_greed(self):
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p = wexpect.spawn(PYTHONBINQUOTE + ' list100.py')
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self._greed(p.expect)
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def test_greed_exact(self):
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p = wexpect.spawn(PYTHONBINQUOTE + ' list100.py')
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self._greed(p.expect_exact)
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def test_bad_arg(self):
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p = wexpect.spawn('cat')
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with self.assertRaisesRegex(TypeError, '.*must be one of'):
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p.expect(1)
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with self.assertRaisesRegex(TypeError, '.*must be one of'):
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p.expect([1, '2'])
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with self.assertRaisesRegex(TypeError, '.*must be one of'):
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p.expect_exact(1)
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with self.assertRaisesRegex(TypeError, '.*must be one of'):
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p.expect_exact([1, '2'])
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def test_timeout_none(self):
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p = wexpect.spawn('echo abcdef', timeout=None)
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p.expect('abc')
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p.expect_exact('def')
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p.expect(wexpect.EOF)
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if __name__ == '__main__':
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unittest.main()
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suite = unittest.makeSuite(ExpectTestCase, 'test')
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