Coverage for idle_test/test_autocomplete.py: 17%

1"Test autocomplete, coverage 93%." 

2 

3import unittest (empty)

4from unittest.mock import Mock, patch (empty)

5from test.support import requires (empty)

6from tkinter import Tk, Text (empty)

7import os (empty)

8import __main__ (empty)

9 

10import idlelib.autocomplete as ac (empty)

11import idlelib.autocomplete_w as acw (empty)

12from idlelib.idle_test.mock_idle import Func (empty)

13from idlelib.idle_test.mock_tk import Event (empty)

14 

15 

16class DummyEditwin: (empty)

17 def __init__(self, root, text): (empty)

18 self.root = root 

19 self.text = text 

20 self.indentwidth = 8 

21 self.tabwidth = 8 

22 self.prompt_last_line = '>>>' # Currently not used by autocomplete. 

23 

24 

25class AutoCompleteTest(unittest.TestCase): (empty)

26 

27 @classmethod (empty)

28 def setUpClass(cls): (empty)

29 requires('gui') (empty)

30 cls.root = Tk() 

31 cls.root.withdraw() 

32 cls.text = Text(cls.root) 

33 cls.editor = DummyEditwin(cls.root, cls.text) 

34 

35 @classmethod (empty)

36 def tearDownClass(cls): (empty)

37 del cls.editor, cls.text 

38 cls.root.update_idletasks() 

39 cls.root.destroy() 

40 del cls.root 

41 

42 def setUp(self): (empty)

43 self.text.delete('1.0', 'end') 

44 self.autocomplete = ac.AutoComplete(self.editor) 

45 

46 def test_init(self): (empty)

47 self.assertEqual(self.autocomplete.editwin, self.editor) 

48 self.assertEqual(self.autocomplete.text, self.text) 

49 

50 def test_make_autocomplete_window(self): (empty)

51 testwin = self.autocomplete._make_autocomplete_window() 

52 self.assertIsInstance(testwin, acw.AutoCompleteWindow) 

53 

54 def test_remove_autocomplete_window(self): (empty)

55 acp = self.autocomplete 

56 acp.autocompletewindow = m = Mock() 

57 acp._remove_autocomplete_window() 

58 m.hide_window.assert_called_once() 

59 self.assertIsNone(acp.autocompletewindow) 

60 

61 def test_force_open_completions_event(self): (empty)

62 # Call _open_completions and break. 

63 acp = self.autocomplete 

64 open_c = Func() 

65 acp.open_completions = open_c 

66 self.assertEqual(acp.force_open_completions_event('event'), 'break') 

67 self.assertEqual(open_c.args[0], ac.FORCE) 

68 

69 def test_autocomplete_event(self): (empty)

70 Equal = self.assertEqual 

71 acp = self.autocomplete 

72 

73 # Result of autocomplete event: If modified tab, None. 

74 ev = Event(mc_state=True) 

75 self.assertIsNone(acp.autocomplete_event(ev)) 

76 del ev.mc_state 

77 

78 # If tab after whitespace, None. 

79 self.text.insert('1.0', ' """Docstring.\n ') 

80 self.assertIsNone(acp.autocomplete_event(ev)) 

81 self.text.delete('1.0', 'end') 

82 

83 # If active autocomplete window, complete() and 'break'. 

84 self.text.insert('1.0', 're.') 

85 acp.autocompletewindow = mock = Mock() 

86 mock.is_active = Mock(return_value=True) 

87 Equal(acp.autocomplete_event(ev), 'break') 

88 mock.complete.assert_called_once() 

89 acp.autocompletewindow = None 

90 

91 # If no active autocomplete window, open_completions(), None/break. 

92 open_c = Func(result=False) 

93 acp.open_completions = open_c 

94 Equal(acp.autocomplete_event(ev), None) 

95 Equal(open_c.args[0], ac.TAB) 

96 open_c.result = True 

97 Equal(acp.autocomplete_event(ev), 'break') 

98 Equal(open_c.args[0], ac.TAB) 

99 

100 def test_try_open_completions_event(self): (empty)

101 Equal = self.assertEqual 

102 text = self.text 

103 acp = self.autocomplete 

104 trycompletions = acp.try_open_completions_event 

105 after = Func(result='after1') 

106 acp.text.after = after 

107 

108 # If no text or trigger, after not called. 

109 trycompletions() 

110 Equal(after.called, 0) 

111 text.insert('1.0', 're') 

112 trycompletions() 

113 Equal(after.called, 0) 

114 

115 # Attribute needed, no existing callback. 

116 text.insert('insert', ' re.') 

117 acp._delayed_completion_id = None 

118 trycompletions() 

119 Equal(acp._delayed_completion_index, text.index('insert')) 

120 Equal(after.args, 

121 (acp.popupwait, acp._delayed_open_completions, ac.TRY_A)) 

122 cb1 = acp._delayed_completion_id 

123 Equal(cb1, 'after1') 

124 

125 # File needed, existing callback cancelled. 

126 text.insert('insert', ' "./Lib/') 

127 after.result = 'after2' 

128 cancel = Func() 

129 acp.text.after_cancel = cancel 

130 trycompletions() 

131 Equal(acp._delayed_completion_index, text.index('insert')) 

132 Equal(cancel.args, (cb1,)) 

133 Equal(after.args, 

134 (acp.popupwait, acp._delayed_open_completions, ac.TRY_F)) 

135 Equal(acp._delayed_completion_id, 'after2') 

136 

137 def test_delayed_open_completions(self): (empty)

138 Equal = self.assertEqual 

139 acp = self.autocomplete 

140 open_c = Func() 

141 acp.open_completions = open_c 

142 self.text.insert('1.0', '"dict.') 

143 

144 # Set autocomplete._delayed_completion_id to None. 

145 # Text index changed, don't call open_completions. 

146 acp._delayed_completion_id = 'after' 

147 acp._delayed_completion_index = self.text.index('insert+1c') 

148 acp._delayed_open_completions('dummy') 

149 self.assertIsNone(acp._delayed_completion_id) 

150 Equal(open_c.called, 0) 

151 

152 # Text index unchanged, call open_completions. 

153 acp._delayed_completion_index = self.text.index('insert') 

154 acp._delayed_open_completions((1, 2, 3, ac.FILES)) 

155 self.assertEqual(open_c.args[0], (1, 2, 3, ac.FILES)) 

156 

157 def test_oc_cancel_comment(self): (empty)

158 none = self.assertIsNone 

159 acp = self.autocomplete 

160 

161 # Comment is in neither code or string. 

162 acp._delayed_completion_id = 'after' 

163 after = Func(result='after') 

164 acp.text.after_cancel = after 

165 self.text.insert(1.0, '# comment') 

166 none(acp.open_completions(ac.TAB)) # From 'else' after 'elif'. 

167 none(acp._delayed_completion_id) 

168 

169 def test_oc_no_list(self): (empty)

170 acp = self.autocomplete 

171 fetch = Func(result=([],[])) 

172 acp.fetch_completions = fetch 

173 self.text.insert('1.0', 'object') 

174 self.assertIsNone(acp.open_completions(ac.TAB)) 

175 self.text.insert('insert', '.') 

176 self.assertIsNone(acp.open_completions(ac.TAB)) 

177 self.assertEqual(fetch.called, 2) 

178 

179 

180 def test_open_completions_none(self): (empty)

181 # Test other two None returns. 

182 none = self.assertIsNone 

183 acp = self.autocomplete 

184 

185 # No object for attributes or need call not allowed. 

186 self.text.insert(1.0, '.') 

187 none(acp.open_completions(ac.TAB)) 

188 self.text.insert('insert', ' int().') 

189 none(acp.open_completions(ac.TAB)) 

190 

191 # Blank or quote trigger 'if complete ...'. 

192 self.text.delete(1.0, 'end') 

193 self.assertFalse(acp.open_completions(ac.TAB)) 

194 self.text.insert('1.0', '"') 

195 self.assertFalse(acp.open_completions(ac.TAB)) 

196 self.text.delete('1.0', 'end') 

197 

198 class dummy_acw: (empty)

199 __init__ = Func() (empty)

200 show_window = Func(result=False) (empty)

201 hide_window = Func() (empty)

202 

203 def test_open_completions(self): (empty)

204 # Test completions of files and attributes. 

205 acp = self.autocomplete 

206 fetch = Func(result=(['tem'],['tem', '_tem'])) 

207 acp.fetch_completions = fetch 

208 def make_acw(): return self.dummy_acw() 

209 acp._make_autocomplete_window = make_acw 

210 

211 self.text.insert('1.0', 'int.') 

212 acp.open_completions(ac.TAB) 

213 self.assertIsInstance(acp.autocompletewindow, self.dummy_acw) 

214 self.text.delete('1.0', 'end') 

215 

216 # Test files. 

217 self.text.insert('1.0', '"t') 

218 self.assertTrue(acp.open_completions(ac.TAB)) 

219 self.text.delete('1.0', 'end') 

220 

221 def test_completion_kwds(self): (empty)

222 self.assertIn('and', ac.completion_kwds) 

223 self.assertIn('case', ac.completion_kwds) 

224 self.assertNotIn('None', ac.completion_kwds) 

225 

226 def test_fetch_completions(self): (empty)

227 # Test that fetch_completions returns 2 lists: 

228 # For attribute completion, a large list containing all variables, and 

229 # a small list containing non-private variables. 

230 # For file completion, a large list containing all files in the path, 

231 # and a small list containing files that do not start with '.'. 

232 acp = self.autocomplete 

233 small, large = acp.fetch_completions( 

234 '', ac.ATTRS) 

235 if hasattr(__main__, '__file__') and __main__.__file__ != ac.__file__: 

236 self.assertNotIn('AutoComplete', small) # See issue 36405. 

237 

238 # Test attributes 

239 s, b = acp.fetch_completions('', ac.ATTRS) 

240 self.assertLess(len(small), len(large)) 

241 self.assertTrue(all(filter(lambda x: x.startswith('_'), s))) 

242 self.assertTrue(any(filter(lambda x: x.startswith('_'), b))) 

243 

244 # Test smalll should respect to __all__. 

245 with patch.dict('__main__.__dict__', {'__all__': ['a', 'b']}): 

246 s, b = acp.fetch_completions('', ac.ATTRS) 

247 self.assertEqual(s, ['a', 'b']) 

248 self.assertIn('__name__', b) # From __main__.__dict__. 

249 self.assertIn('sum', b) # From __main__.__builtins__.__dict__. 

250 self.assertIn('nonlocal', b) # From keyword.kwlist. 

251 pos = b.index('False') # Test False not included twice. 

252 self.assertNotEqual(b[pos+1], 'False') 

253 

254 # Test attributes with name entity. 

255 mock = Mock() 

256 mock._private = Mock() 

257 with patch.dict('__main__.__dict__', {'foo': mock}): 

258 s, b = acp.fetch_completions('foo', ac.ATTRS) 

259 self.assertNotIn('_private', s) 

260 self.assertIn('_private', b) 

261 self.assertEqual(s, [i for i in sorted(dir(mock)) if i[:1] != '_']) 

262 self.assertEqual(b, sorted(dir(mock))) 

263 

264 # Test files 

265 def _listdir(path): 

266 # This will be patch and used in fetch_completions. 

267 if path == '.': 

268 return ['foo', 'bar', '.hidden'] 

269 return ['monty', 'python', '.hidden'] 

270 

271 with patch.object(os, 'listdir', _listdir): 

272 s, b = acp.fetch_completions('', ac.FILES) 

273 self.assertEqual(s, ['bar', 'foo']) 

274 self.assertEqual(b, ['.hidden', 'bar', 'foo']) 

275 

276 s, b = acp.fetch_completions('~', ac.FILES) 

277 self.assertEqual(s, ['monty', 'python']) 

278 self.assertEqual(b, ['.hidden', 'monty', 'python']) 

279 

280 def test_get_entity(self): (empty)

281 # Test that a name is in the namespace of sys.modules and 

282 # __main__.__dict__. 

283 acp = self.autocomplete 

284 Equal = self.assertEqual 

285 

286 Equal(acp.get_entity('int'), int) 

287 

288 # Test name from sys.modules. 

289 mock = Mock() 

290 with patch.dict('sys.modules', {'tempfile': mock}): 

291 Equal(acp.get_entity('tempfile'), mock) 

292 

293 # Test name from __main__.__dict__. 

294 di = {'foo': 10, 'bar': 20} 

295 with patch.dict('__main__.__dict__', {'d': di}): 

296 Equal(acp.get_entity('d'), di) 

297 

298 # Test name not in namespace. 

299 with patch.dict('__main__.__dict__', {}): 

300 with self.assertRaises(NameError): 

301 acp.get_entity('not_exist') 

302 

303 

304if __name__ == '__main__': 304 ↛ 305line 304 didn't jump to line 305, because the condition on line 304 was never true(empty)

305 unittest.main(verbosity=2)