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#!/usr/bin/env python
# -*- coding: iso-8859-1 -*-
# $Id$
import unittest, time
import pexpect
import PexpectTestCase
# This isn't exactly a unit test, but it fits in nicely with the rest of the tests.
class PerformanceTestCase (PexpectTestCase.PexpectTestCase):
"""Testing the performance of expect, with emphasis on wading through long
inputs. """
def plain_range(self, n):
e = pexpect.spawn('python')
self.assertEqual(e.expect('>>>'), 0)
e.sendline('for n in range(1, %d+1): print n' % n)
self.assertEqual(e.expect(r'\.{3}'), 0)
e.sendline('')
self.assertEqual(e.expect(['inquisition', '%d' % n]), 1)
def window_range(self, n):
e = pexpect.spawn('python')
self.assertEqual(e.expect('>>>'), 0)
e.sendline('for n in range(1, %d+1): print n' % n)
self.assertEqual(e.expect(r'\.{3}'), 0)
e.sendline('')
self.assertEqual(e.expect(['inquisition', '%d' % n], searchwindowsize=10), 1)
def exact_range(self, n):
e = pexpect.spawn('python')
self.assertEqual(e.expect_exact(['>>>']), 0)
e.sendline('for n in range(1, %d+1): print n' % n)
self.assertEqual(e.expect_exact(['...']), 0)
e.sendline('')
self.assertEqual(e.expect_exact(['inquisition', '%d' % n],timeout=520), 1)
def ewin_range(self, n):
e = pexpect.spawn('python')
self.assertEqual(e.expect_exact(['>>>']), 0)
e.sendline('for n in range(1, %d+1): print n' % n)
self.assertEqual(e.expect_exact(['...']), 0)
e.sendline('')
self.assertEqual(e.expect_exact(['inquisition', '%d' % n], searchwindowsize=10), 1)
def faster_range(self, n):
e = pexpect.spawn('python')
self.assertEqual(e.expect('>>>'), 0)
e.sendline('range(1, %d+1)' % n)
self.assertEqual(e.expect(['inquisition', '%d' % n]), 1)
def test_100000(self):
start_time = time.time()
self.plain_range (100000)
print "100000 calls to plain_range:", (time.time() - start_time)
start_time = time.time()
self.window_range(100000)
print "100000 calls to window_range:", (time.time() - start_time)
start_time = time.time()
self.exact_range (100000)
print "100000 calls to exact_range:", (time.time() - start_time)
start_time = time.time()
self.ewin_range (100000)
print "100000 calls to ewin_range:", (time.time() - start_time)
start_time = time.time()
self.faster_range(100000)
print "100000 calls to faster_range:", (time.time() - start_time)
if __name__ == "__main__":
unittest.main()
suite = unittest.makeSuite(PerformanceTestCase,'test')
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