1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
"""
Test script for the 'cmd' module
Original by Michael Schneider
"""
import cmd
import sys
import unittest
import io
from test import support
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 method
>>> 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 help
<BLANKLINE>
Undocumented commands:
======================
exit 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 range(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 range(20)], 10)
0 7 14
1 8 15
2 9 16
3 10 17
4 11 18
5 12 19
6 13
This is an 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 help
<BLANKLINE>
Undocumented commands:
======================
exit 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 method")
def complete_command(self):
print("complete command")
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(args, file=self.stdout)
def do_EOF(self, args):
return True
class simplecmd2(simplecmd):
def do_EOF(self, args):
print('*** Unknown syntax: EOF', file=self.stdout)
return True
def test_file_with_missing_final_nl(self):
input = io.StringIO("print test\nprint test2")
output = io.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_input_reset_at_EOF(self):
input = io.StringIO("print test\nprint test2")
output = io.StringIO()
cmd = self.simplecmd2(stdin=input, stdout=output)
cmd.use_rawinput = False
cmd.cmdloop()
self.assertMultiLineEqual(output.getvalue(),
("(Cmd) test\n"
"(Cmd) test2\n"
"(Cmd) *** Unknown syntax: EOF\n"))
input = io.StringIO("print \n\n")
output = io.StringIO()
cmd.stdin = input
cmd.stdout = output
cmd.cmdloop()
self.assertMultiLineEqual(output.getvalue(),
("(Cmd) \n"
"(Cmd) \n"
"(Cmd) *** Unknown syntax: EOF\n"))
def test_main(verbose=None):
from test import test_cmd
support.run_doctest(test_cmd, verbose)
support.run_unittest(TestAlternateInput)
def test_coverage(coverdir):
trace = support.import_module('trace')
tracer=trace.Trace(ignoredirs=[sys.base_prefix, sys.base_exec_prefix,],
trace=0, count=1)
tracer.run('import importlib; importlib.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()
|
