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#!/usr/bin/env python
"""
Test script for the 'cmd' module
Original by Michael Schneider
"""
import cmd
import sys
from test import test_support
import re
import unittest
import StringIO
class samplecmdclass(cmd.Cmd):
"""
Instance the sampleclass:
>>> mycmd = samplecmdclass()
Test for the function parseline():
>>> mycmd.parseline("")
(None, None, '')
>>> mycmd.parseline("?")
('help', '', 'help ')
>>> mycmd.parseline("?help")
('help', 'help', 'help help')
>>> mycmd.parseline("!")
('shell', '', 'shell ')
>>> mycmd.parseline("!command")
('shell', 'command', 'shell command')
>>> mycmd.parseline("func")
('func', '', 'func')
>>> mycmd.parseline("func arg1")
('func', 'arg1', 'func arg1')
Test for the function onecmd():
>>> mycmd.onecmd("")
>>> mycmd.onecmd("add 4 5")
9
>>> mycmd.onecmd("")
9
>>> mycmd.onecmd("test")
*** Unknown syntax: test
Test for the function emptyline():
>>> mycmd.emptyline()
*** Unknown syntax: test
Test for the function default():
>>> mycmd.default("default")
*** Unknown syntax: default
Test for the function completedefault():
>>> mycmd.completedefault()
This is the completedefault methode
>>> mycmd.completenames("a")
['add']
Test for the function completenames():
>>> mycmd.completenames("12")
[]
>>> mycmd.completenames("help")
['help']
Test for the function complete_help():
>>> mycmd.complete_help("a")
['add']
>>> mycmd.complete_help("he")
['help']
>>> mycmd.complete_help("12")
[]
>>> sorted(mycmd.complete_help(""))
['add', 'exit', 'help', 'shell']
Test for the function do_help():
>>> mycmd.do_help("testet")
*** No help on testet
>>> mycmd.do_help("add")
help text for add
>>> mycmd.onecmd("help add")
help text for add
>>> mycmd.do_help("")
<BLANKLINE>
Documented commands (type help <topic>):
========================================
add
<BLANKLINE>
Undocumented commands:
======================
exit help shell
<BLANKLINE>
Test for the function print_topics():
>>> mycmd.print_topics("header", ["command1", "command2"], 2 ,10)
header
======
command1
command2
<BLANKLINE>
Test for the function columnize():
>>> mycmd.columnize([str(i) for i in xrange(20)])
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
>>> mycmd.columnize([str(i) for i in xrange(20)], 10)
0 7 14
1 8 15
2 9 16
3 10 17
4 11 18
5 12 19
6 13
This is a interactive test, put some commands in the cmdqueue attribute
and let it execute
This test includes the preloop(), postloop(), default(), emptyline(),
parseline(), do_help() functions
>>> mycmd.use_rawinput=0
>>> mycmd.cmdqueue=["", "add", "add 4 5", "help", "help add","exit"]
>>> mycmd.cmdloop()
Hello from preloop
help text for add
*** invalid number of arguments
9
<BLANKLINE>
Documented commands (type help <topic>):
========================================
add
<BLANKLINE>
Undocumented commands:
======================
exit help shell
<BLANKLINE>
help text for add
Hello from postloop
"""
def preloop(self):
print "Hello from preloop"
def postloop(self):
print "Hello from postloop"
def completedefault(self, *ignored):
print "This is the completedefault methode"
return
def complete_command(self):
print "complete command"
return
def do_shell(self, s):
pass
def do_add(self, s):
l = s.split()
if len(l) != 2:
print "*** invalid number of arguments"
return
try:
l = [int(i) for i in l]
except ValueError:
print "*** arguments should be numbers"
return
print l[0]+l[1]
def help_add(self):
print "help text for add"
return
def do_exit(self, arg):
return True
class TestAlternateInput(unittest.TestCase):
class simplecmd(cmd.Cmd):
def do_print(self, args):
print >>self.stdout, args
def do_EOF(self, args):
return True
def test_file_with_missing_final_nl(self):
input = StringIO.StringIO("print test\nprint test2")
output = StringIO.StringIO()
cmd = self.simplecmd(stdin=input, stdout=output)
cmd.use_rawinput = False
cmd.cmdloop()
self.assertMultiLineEqual(output.getvalue(),
("(Cmd) test\n"
"(Cmd) test2\n"
"(Cmd) "))
def test_main(verbose=None):
from test import test_cmd
test_support.run_doctest(test_cmd, verbose)
test_support.run_unittest(TestAlternateInput)
def test_coverage(coverdir):
trace = test_support.import_module('trace')
tracer=trace.Trace(ignoredirs=[sys.prefix, sys.exec_prefix,],
trace=0, count=1)
tracer.run('reload(cmd);test_main()')
r=tracer.results()
print "Writing coverage results..."
r.write_results(show_missing=True, summary=True, coverdir=coverdir)
if __name__ == "__main__":
if "-c" in sys.argv:
test_coverage('/tmp/cmd.cover')
elif "-i" in sys.argv:
samplecmdclass().cmdloop()
else:
test_main()
|
