Python code coverage for Lib/idlelib/idle_test/test_iomenu.py

#	count	content
1	n/a	import unittest
2	n/a	import io
3	n/a
4	n/a	from idlelib.run import PseudoInputFile, PseudoOutputFile
5	n/a
6	n/a
7	n/a	class S(str):
8	n/a	def __str__(self):
9	n/a	return '%s:str' % type(self).__name__
10	n/a	def __unicode__(self):
11	n/a	return '%s:unicode' % type(self).__name__
12	n/a	def __len__(self):
13	n/a	return 3
14	n/a	def __iter__(self):
15	n/a	return iter('abc')
16	n/a	def __getitem__(self, *args):
17	n/a	return '%s:item' % type(self).__name__
18	n/a	def __getslice__(self, *args):
19	n/a	return '%s:slice' % type(self).__name__
20	n/a
21	n/a	class MockShell:
22	n/a	def __init__(self):
23	n/a	self.reset()
24	n/a
25	n/a	def write(self, *args):
26	n/a	self.written.append(args)
27	n/a
28	n/a	def readline(self):
29	n/a	return self.lines.pop()
30	n/a
31	n/a	def close(self):
32	n/a	pass
33	n/a
34	n/a	def reset(self):
35	n/a	self.written = []
36	n/a
37	n/a	def push(self, lines):
38	n/a	self.lines = list(lines)[::-1]
39	n/a
40	n/a
41	n/a	class PseudeOutputFilesTest(unittest.TestCase):
42	n/a	def test_misc(self):
43	n/a	shell = MockShell()
44	n/a	f = PseudoOutputFile(shell, 'stdout', 'utf-8')
45	n/a	self.assertIsInstance(f, io.TextIOBase)
46	n/a	self.assertEqual(f.encoding, 'utf-8')
47	n/a	self.assertIsNone(f.errors)
48	n/a	self.assertIsNone(f.newlines)
49	n/a	self.assertEqual(f.name, '<stdout>')
50	n/a	self.assertFalse(f.closed)
51	n/a	self.assertTrue(f.isatty())
52	n/a	self.assertFalse(f.readable())
53	n/a	self.assertTrue(f.writable())
54	n/a	self.assertFalse(f.seekable())
55	n/a
56	n/a	def test_unsupported(self):
57	n/a	shell = MockShell()
58	n/a	f = PseudoOutputFile(shell, 'stdout', 'utf-8')
59	n/a	self.assertRaises(OSError, f.fileno)
60	n/a	self.assertRaises(OSError, f.tell)
61	n/a	self.assertRaises(OSError, f.seek, 0)
62	n/a	self.assertRaises(OSError, f.read, 0)
63	n/a	self.assertRaises(OSError, f.readline, 0)
64	n/a
65	n/a	def test_write(self):
66	n/a	shell = MockShell()
67	n/a	f = PseudoOutputFile(shell, 'stdout', 'utf-8')
68	n/a	f.write('test')
69	n/a	self.assertEqual(shell.written, [('test', 'stdout')])
70	n/a	shell.reset()
71	n/a	f.write('t\xe8st')
72	n/a	self.assertEqual(shell.written, [('t\xe8st', 'stdout')])
73	n/a	shell.reset()
74	n/a
75	n/a	f.write(S('t\xe8st'))
76	n/a	self.assertEqual(shell.written, [('t\xe8st', 'stdout')])
77	n/a	self.assertEqual(type(shell.written[0][0]), str)
78	n/a	shell.reset()
79	n/a
80	n/a	self.assertRaises(TypeError, f.write)
81	n/a	self.assertEqual(shell.written, [])
82	n/a	self.assertRaises(TypeError, f.write, b'test')
83	n/a	self.assertRaises(TypeError, f.write, 123)
84	n/a	self.assertEqual(shell.written, [])
85	n/a	self.assertRaises(TypeError, f.write, 'test', 'spam')
86	n/a	self.assertEqual(shell.written, [])
87	n/a
88	n/a	def test_writelines(self):
89	n/a	shell = MockShell()
90	n/a	f = PseudoOutputFile(shell, 'stdout', 'utf-8')
91	n/a	f.writelines([])
92	n/a	self.assertEqual(shell.written, [])
93	n/a	shell.reset()
94	n/a	f.writelines(['one\n', 'two'])
95	n/a	self.assertEqual(shell.written,
96	n/a	[('one\n', 'stdout'), ('two', 'stdout')])
97	n/a	shell.reset()
98	n/a	f.writelines(['on\xe8\n', 'tw\xf2'])
99	n/a	self.assertEqual(shell.written,
100	n/a	[('on\xe8\n', 'stdout'), ('tw\xf2', 'stdout')])
101	n/a	shell.reset()
102	n/a
103	n/a	f.writelines([S('t\xe8st')])
104	n/a	self.assertEqual(shell.written, [('t\xe8st', 'stdout')])
105	n/a	self.assertEqual(type(shell.written[0][0]), str)
106	n/a	shell.reset()
107	n/a
108	n/a	self.assertRaises(TypeError, f.writelines)
109	n/a	self.assertEqual(shell.written, [])
110	n/a	self.assertRaises(TypeError, f.writelines, 123)
111	n/a	self.assertEqual(shell.written, [])
112	n/a	self.assertRaises(TypeError, f.writelines, [b'test'])
113	n/a	self.assertRaises(TypeError, f.writelines, [123])
114	n/a	self.assertEqual(shell.written, [])
115	n/a	self.assertRaises(TypeError, f.writelines, [], [])
116	n/a	self.assertEqual(shell.written, [])
117	n/a
118	n/a	def test_close(self):
119	n/a	shell = MockShell()
120	n/a	f = PseudoOutputFile(shell, 'stdout', 'utf-8')
121	n/a	self.assertFalse(f.closed)
122	n/a	f.write('test')
123	n/a	f.close()
124	n/a	self.assertTrue(f.closed)
125	n/a	self.assertRaises(ValueError, f.write, 'x')
126	n/a	self.assertEqual(shell.written, [('test', 'stdout')])
127	n/a	f.close()
128	n/a	self.assertRaises(TypeError, f.close, 1)
129	n/a
130	n/a
131	n/a	class PseudeInputFilesTest(unittest.TestCase):
132	n/a	def test_misc(self):
133	n/a	shell = MockShell()
134	n/a	f = PseudoInputFile(shell, 'stdin', 'utf-8')
135	n/a	self.assertIsInstance(f, io.TextIOBase)
136	n/a	self.assertEqual(f.encoding, 'utf-8')
137	n/a	self.assertIsNone(f.errors)
138	n/a	self.assertIsNone(f.newlines)
139	n/a	self.assertEqual(f.name, '<stdin>')
140	n/a	self.assertFalse(f.closed)
141	n/a	self.assertTrue(f.isatty())
142	n/a	self.assertTrue(f.readable())
143	n/a	self.assertFalse(f.writable())
144	n/a	self.assertFalse(f.seekable())
145	n/a
146	n/a	def test_unsupported(self):
147	n/a	shell = MockShell()
148	n/a	f = PseudoInputFile(shell, 'stdin', 'utf-8')
149	n/a	self.assertRaises(OSError, f.fileno)
150	n/a	self.assertRaises(OSError, f.tell)
151	n/a	self.assertRaises(OSError, f.seek, 0)
152	n/a	self.assertRaises(OSError, f.write, 'x')
153	n/a	self.assertRaises(OSError, f.writelines, ['x'])
154	n/a
155	n/a	def test_read(self):
156	n/a	shell = MockShell()
157	n/a	f = PseudoInputFile(shell, 'stdin', 'utf-8')
158	n/a	shell.push(['one\n', 'two\n', ''])
159	n/a	self.assertEqual(f.read(), 'one\ntwo\n')
160	n/a	shell.push(['one\n', 'two\n', ''])
161	n/a	self.assertEqual(f.read(-1), 'one\ntwo\n')
162	n/a	shell.push(['one\n', 'two\n', ''])
163	n/a	self.assertEqual(f.read(None), 'one\ntwo\n')
164	n/a	shell.push(['one\n', 'two\n', 'three\n', ''])
165	n/a	self.assertEqual(f.read(2), 'on')
166	n/a	self.assertEqual(f.read(3), 'e\nt')
167	n/a	self.assertEqual(f.read(10), 'wo\nthree\n')
168	n/a
169	n/a	shell.push(['one\n', 'two\n'])
170	n/a	self.assertEqual(f.read(0), '')
171	n/a	self.assertRaises(TypeError, f.read, 1.5)
172	n/a	self.assertRaises(TypeError, f.read, '1')
173	n/a	self.assertRaises(TypeError, f.read, 1, 1)
174	n/a
175	n/a	def test_readline(self):
176	n/a	shell = MockShell()
177	n/a	f = PseudoInputFile(shell, 'stdin', 'utf-8')
178	n/a	shell.push(['one\n', 'two\n', 'three\n', 'four\n'])
179	n/a	self.assertEqual(f.readline(), 'one\n')
180	n/a	self.assertEqual(f.readline(-1), 'two\n')
181	n/a	self.assertEqual(f.readline(None), 'three\n')
182	n/a	shell.push(['one\ntwo\n'])
183	n/a	self.assertEqual(f.readline(), 'one\n')
184	n/a	self.assertEqual(f.readline(), 'two\n')
185	n/a	shell.push(['one', 'two', 'three'])
186	n/a	self.assertEqual(f.readline(), 'one')
187	n/a	self.assertEqual(f.readline(), 'two')
188	n/a	shell.push(['one\n', 'two\n', 'three\n'])
189	n/a	self.assertEqual(f.readline(2), 'on')
190	n/a	self.assertEqual(f.readline(1), 'e')
191	n/a	self.assertEqual(f.readline(1), '\n')
192	n/a	self.assertEqual(f.readline(10), 'two\n')
193	n/a
194	n/a	shell.push(['one\n', 'two\n'])
195	n/a	self.assertEqual(f.readline(0), '')
196	n/a	self.assertRaises(TypeError, f.readlines, 1.5)
197	n/a	self.assertRaises(TypeError, f.readlines, '1')
198	n/a	self.assertRaises(TypeError, f.readlines, 1, 1)
199	n/a
200	n/a	def test_readlines(self):
201	n/a	shell = MockShell()
202	n/a	f = PseudoInputFile(shell, 'stdin', 'utf-8')
203	n/a	shell.push(['one\n', 'two\n', ''])
204	n/a	self.assertEqual(f.readlines(), ['one\n', 'two\n'])
205	n/a	shell.push(['one\n', 'two\n', ''])
206	n/a	self.assertEqual(f.readlines(-1), ['one\n', 'two\n'])
207	n/a	shell.push(['one\n', 'two\n', ''])
208	n/a	self.assertEqual(f.readlines(None), ['one\n', 'two\n'])
209	n/a	shell.push(['one\n', 'two\n', ''])
210	n/a	self.assertEqual(f.readlines(0), ['one\n', 'two\n'])
211	n/a	shell.push(['one\n', 'two\n', ''])
212	n/a	self.assertEqual(f.readlines(3), ['one\n'])
213	n/a	shell.push(['one\n', 'two\n', ''])
214	n/a	self.assertEqual(f.readlines(4), ['one\n', 'two\n'])
215	n/a
216	n/a	shell.push(['one\n', 'two\n', ''])
217	n/a	self.assertRaises(TypeError, f.readlines, 1.5)
218	n/a	self.assertRaises(TypeError, f.readlines, '1')
219	n/a	self.assertRaises(TypeError, f.readlines, 1, 1)
220	n/a
221	n/a	def test_close(self):
222	n/a	shell = MockShell()
223	n/a	f = PseudoInputFile(shell, 'stdin', 'utf-8')
224	n/a	shell.push(['one\n', 'two\n', ''])
225	n/a	self.assertFalse(f.closed)
226	n/a	self.assertEqual(f.readline(), 'one\n')
227	n/a	f.close()
228	n/a	self.assertFalse(f.closed)
229	n/a	self.assertEqual(f.readline(), 'two\n')
230	n/a	self.assertRaises(TypeError, f.close, 1)
231	n/a
232	n/a
233	n/a	if __name__ == '__main__':
234	n/a	unittest.main(verbosity=2)