Python code coverage for Lib/test/test_cmd.py

#	count	content
1	n/a	"""
2	n/a	Test script for the 'cmd' module
3	n/a	Original by Michael Schneider
4	n/a	"""
5	n/a
6	n/a
7	n/a	import cmd
8	n/a	import sys
9	n/a	import unittest
10	n/a	import io
11	n/a	from test import support
12	n/a
13	n/a	class samplecmdclass(cmd.Cmd):
14	n/a	"""
15	n/a	Instance the sampleclass:
16	n/a	>>> mycmd = samplecmdclass()
17	n/a
18	n/a	Test for the function parseline():
19	n/a	>>> mycmd.parseline("")
20	n/a	(None, None, '')
21	n/a	>>> mycmd.parseline("?")
22	n/a	('help', '', 'help ')
23	n/a	>>> mycmd.parseline("?help")
24	n/a	('help', 'help', 'help help')
25	n/a	>>> mycmd.parseline("!")
26	n/a	('shell', '', 'shell ')
27	n/a	>>> mycmd.parseline("!command")
28	n/a	('shell', 'command', 'shell command')
29	n/a	>>> mycmd.parseline("func")
30	n/a	('func', '', 'func')
31	n/a	>>> mycmd.parseline("func arg1")
32	n/a	('func', 'arg1', 'func arg1')
33	n/a
34	n/a
35	n/a	Test for the function onecmd():
36	n/a	>>> mycmd.onecmd("")
37	n/a	>>> mycmd.onecmd("add 4 5")
38	n/a	9
39	n/a	>>> mycmd.onecmd("")
40	n/a	9
41	n/a	>>> mycmd.onecmd("test")
42	n/a	*** Unknown syntax: test
43	n/a
44	n/a	Test for the function emptyline():
45	n/a	>>> mycmd.emptyline()
46	n/a	*** Unknown syntax: test
47	n/a
48	n/a	Test for the function default():
49	n/a	>>> mycmd.default("default")
50	n/a	*** Unknown syntax: default
51	n/a
52	n/a	Test for the function completedefault():
53	n/a	>>> mycmd.completedefault()
54	n/a	This is the completedefault methode
55	n/a	>>> mycmd.completenames("a")
56	n/a	['add']
57	n/a
58	n/a	Test for the function completenames():
59	n/a	>>> mycmd.completenames("12")
60	n/a	[]
61	n/a	>>> mycmd.completenames("help")
62	n/a	['help']
63	n/a
64	n/a	Test for the function complete_help():
65	n/a	>>> mycmd.complete_help("a")
66	n/a	['add']
67	n/a	>>> mycmd.complete_help("he")
68	n/a	['help']
69	n/a	>>> mycmd.complete_help("12")
70	n/a	[]
71	n/a	>>> sorted(mycmd.complete_help(""))
72	n/a	['add', 'exit', 'help', 'shell']
73	n/a
74	n/a	Test for the function do_help():
75	n/a	>>> mycmd.do_help("testet")
76	n/a	*** No help on testet
77	n/a	>>> mycmd.do_help("add")
78	n/a	help text for add
79	n/a	>>> mycmd.onecmd("help add")
80	n/a	help text for add
81	n/a	>>> mycmd.do_help("")
82	n/a	<BLANKLINE>
83	n/a	Documented commands (type help <topic>):
84	n/a	========================================
85	n/a	add help
86	n/a	<BLANKLINE>
87	n/a	Undocumented commands:
88	n/a	======================
89	n/a	exit shell
90	n/a	<BLANKLINE>
91	n/a
92	n/a	Test for the function print_topics():
93	n/a	>>> mycmd.print_topics("header", ["command1", "command2"], 2 ,10)
94	n/a	header
95	n/a	======
96	n/a	command1
97	n/a	command2
98	n/a	<BLANKLINE>
99	n/a
100	n/a	Test for the function columnize():
101	n/a	>>> mycmd.columnize([str(i) for i in range(20)])
102	n/a	0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
103	n/a	>>> mycmd.columnize([str(i) for i in range(20)], 10)
104	n/a	0 7 14
105	n/a	1 8 15
106	n/a	2 9 16
107	n/a	3 10 17
108	n/a	4 11 18
109	n/a	5 12 19
110	n/a	6 13
111	n/a
112	n/a	This is an interactive test, put some commands in the cmdqueue attribute
113	n/a	and let it execute
114	n/a	This test includes the preloop(), postloop(), default(), emptyline(),
115	n/a	parseline(), do_help() functions
116	n/a	>>> mycmd.use_rawinput=0
117	n/a	>>> mycmd.cmdqueue=["", "add", "add 4 5", "help", "help add","exit"]
118	n/a	>>> mycmd.cmdloop()
119	n/a	Hello from preloop
120	n/a	help text for add
121	n/a	*** invalid number of arguments
122	n/a	9
123	n/a	<BLANKLINE>
124	n/a	Documented commands (type help <topic>):
125	n/a	========================================
126	n/a	add help
127	n/a	<BLANKLINE>
128	n/a	Undocumented commands:
129	n/a	======================
130	n/a	exit shell
131	n/a	<BLANKLINE>
132	n/a	help text for add
133	n/a	Hello from postloop
134	n/a	"""
135	n/a
136	n/a	def preloop(self):
137	n/a	print("Hello from preloop")
138	n/a
139	n/a	def postloop(self):
140	n/a	print("Hello from postloop")
141	n/a
142	n/a	def completedefault(self, *ignored):
143	n/a	print("This is the completedefault methode")
144	n/a
145	n/a	def complete_command(self):
146	n/a	print("complete command")
147	n/a
148	n/a	def do_shell(self, s):
149	n/a	pass
150	n/a
151	n/a	def do_add(self, s):
152	n/a	l = s.split()
153	n/a	if len(l) != 2:
154	n/a	print("*** invalid number of arguments")
155	n/a	return
156	n/a	try:
157	n/a	l = [int(i) for i in l]
158	n/a	except ValueError:
159	n/a	print("*** arguments should be numbers")
160	n/a	return
161	n/a	print(l[0]+l[1])
162	n/a
163	n/a	def help_add(self):
164	n/a	print("help text for add")
165	n/a	return
166	n/a
167	n/a	def do_exit(self, arg):
168	n/a	return True
169	n/a
170	n/a
171	n/a	class TestAlternateInput(unittest.TestCase):
172	n/a
173	n/a	class simplecmd(cmd.Cmd):
174	n/a
175	n/a	def do_print(self, args):
176	n/a	print(args, file=self.stdout)
177	n/a
178	n/a	def do_EOF(self, args):
179	n/a	return True
180	n/a
181	n/a
182	n/a	class simplecmd2(simplecmd):
183	n/a
184	n/a	def do_EOF(self, args):
185	n/a	print('*** Unknown syntax: EOF', file=self.stdout)
186	n/a	return True
187	n/a
188	n/a
189	n/a	def test_file_with_missing_final_nl(self):
190	n/a	input = io.StringIO("print test\nprint test2")
191	n/a	output = io.StringIO()
192	n/a	cmd = self.simplecmd(stdin=input, stdout=output)
193	n/a	cmd.use_rawinput = False
194	n/a	cmd.cmdloop()
195	n/a	self.assertMultiLineEqual(output.getvalue(),
196	n/a	("(Cmd) test\n"
197	n/a	"(Cmd) test2\n"
198	n/a	"(Cmd) "))
199	n/a
200	n/a
201	n/a	def test_input_reset_at_EOF(self):
202	n/a	input = io.StringIO("print test\nprint test2")
203	n/a	output = io.StringIO()
204	n/a	cmd = self.simplecmd2(stdin=input, stdout=output)
205	n/a	cmd.use_rawinput = False
206	n/a	cmd.cmdloop()
207	n/a	self.assertMultiLineEqual(output.getvalue(),
208	n/a	("(Cmd) test\n"
209	n/a	"(Cmd) test2\n"
210	n/a	"(Cmd) *** Unknown syntax: EOF\n"))
211	n/a	input = io.StringIO("print \n\n")
212	n/a	output = io.StringIO()
213	n/a	cmd.stdin = input
214	n/a	cmd.stdout = output
215	n/a	cmd.cmdloop()
216	n/a	self.assertMultiLineEqual(output.getvalue(),
217	n/a	("(Cmd) \n"
218	n/a	"(Cmd) \n"
219	n/a	"(Cmd) *** Unknown syntax: EOF\n"))
220	n/a
221	n/a
222	n/a	def test_main(verbose=None):
223	n/a	from test import test_cmd
224	n/a	support.run_doctest(test_cmd, verbose)
225	n/a	support.run_unittest(TestAlternateInput)
226	n/a
227	n/a	def test_coverage(coverdir):
228	n/a	trace = support.import_module('trace')
229	n/a	tracer=trace.Trace(ignoredirs=[sys.base_prefix, sys.base_exec_prefix,],
230	n/a	trace=0, count=1)
231	n/a	tracer.run('import importlib; importlib.reload(cmd); test_main()')
232	n/a	r=tracer.results()
233	n/a	print("Writing coverage results...")
234	n/a	r.write_results(show_missing=True, summary=True, coverdir=coverdir)
235	n/a
236	n/a	if __name__ == "__main__":
237	n/a	if "-c" in sys.argv:
238	n/a	test_coverage('/tmp/cmd.cover')
239	n/a	elif "-i" in sys.argv:
240	n/a	samplecmdclass().cmdloop()
241	n/a	else:
242	n/a	test_main()