Coverage for idle_test/test_history.py: 50%

1" Test history, coverage 100%." 

2 

3from idlelib.history import History (empty)

4import unittest (empty)

5from test.support import requires (empty)

6 

7import tkinter as tk (empty)

8from tkinter import Text as tkText (empty)

9from idlelib.idle_test.mock_tk import Text as mkText (empty)

10from idlelib.config import idleConf (empty)

11 

12line1 = 'a = 7' (empty)

13line2 = 'b = a' (empty)

14 

15 

16class StoreTest(unittest.TestCase): (empty)

17 '''Tests History.__init__ and History.store with mock Text''' 

18 

19 @classmethod (empty)

20 def setUpClass(cls): (empty)

21 cls.text = mkText() (empty)

22 cls.history = History(cls.text) (empty)

23 

24 def tearDown(self): (empty)

25 self.text.delete('1.0', 'end') (empty)

26 self.history.history = [] (empty)

27 

28 def test_init(self): (empty)

29 self.assertIs(self.history.text, self.text) 1 ctx1c

30 self.assertEqual(self.history.history, []) 1 ctx1c

31 self.assertIsNone(self.history.prefix) 1 ctx1c

32 self.assertIsNone(self.history.pointer) 1 ctx1c

33 self.assertEqual(self.history.cyclic, 1 ctx1c

34 idleConf.GetOption("main", "History", "cyclic", 1, "bool")) 

35 

36 def test_store_short(self): (empty)

37 self.history.store('a') 1 ctx1e

38 self.assertEqual(self.history.history, []) 1 ctx1e

39 self.history.store(' a ') 1 ctx1e

40 self.assertEqual(self.history.history, []) 1 ctx1e

41 

42 def test_store_dup(self): (empty)

43 self.history.store(line1) 1 ctx1b

44 self.assertEqual(self.history.history, [line1]) 1 ctx1b

45 self.history.store(line2) 1 ctx1b

46 self.assertEqual(self.history.history, [line1, line2]) 1 ctx1b

47 self.history.store(line1) 1 ctx1b

48 self.assertEqual(self.history.history, [line2, line1]) 1 ctx1b

49 

50 def test_store_reset(self): (empty)

51 self.history.prefix = line1 1 ctx1d

52 self.history.pointer = 0 1 ctx1d

53 self.history.store(line2) 1 ctx1d

54 self.assertIsNone(self.history.prefix) 1 ctx1d

55 self.assertIsNone(self.history.pointer) 1 ctx1d

56 

57 

58class TextWrapper: (empty)

59 def __init__(self, master): (empty)

60 self.text = tkText(master=master) 

61 self._bell = False 

62 def __getattr__(self, name): (empty)

63 return getattr(self.text, name) 

64 def bell(self): (empty)

65 self._bell = True 

66 

67 

68class FetchTest(unittest.TestCase): (empty)

69 '''Test History.fetch with wrapped tk.Text. 

70 ''' 

71 @classmethod (empty)

72 def setUpClass(cls): (empty)

73 requires('gui') (empty)

74 cls.root = tk.Tk() 

75 cls.root.withdraw() 

76 

77 def setUp(self): (empty)

78 self.text = text = TextWrapper(self.root) 

79 text.insert('1.0', ">>> ") 

80 text.mark_set('iomark', '1.4') 

81 text.mark_gravity('iomark', 'left') 

82 self.history = History(text) 

83 self.history.history = [line1, line2] 

84 

85 @classmethod (empty)

86 def tearDownClass(cls): (empty)

87 cls.root.destroy() 

88 del cls.root 

89 

90 def fetch_test(self, reverse, line, prefix, index, *, bell=False): (empty)

91 # Perform one fetch as invoked by Alt-N or Alt-P 

92 # Test the result. The line test is the most important. 

93 # The last two are diagnostic of fetch internals. 

94 History = self.history 

95 History.fetch(reverse) 

96 

97 Equal = self.assertEqual 

98 Equal(self.text.get('iomark', 'end-1c'), line) 

99 Equal(self.text._bell, bell) 

100 if bell: 

101 self.text._bell = False 

102 Equal(History.prefix, prefix) 

103 Equal(History.pointer, index) 

104 Equal(self.text.compare("insert", '==', "end-1c"), 1) 

105 

106 def test_fetch_prev_cyclic(self): (empty)

107 prefix = '' 

108 test = self.fetch_test 

109 test(True, line2, prefix, 1) 

110 test(True, line1, prefix, 0) 

111 test(True, prefix, None, None, bell=True) 

112 

113 def test_fetch_next_cyclic(self): (empty)

114 prefix = '' 

115 test = self.fetch_test 

116 test(False, line1, prefix, 0) 

117 test(False, line2, prefix, 1) 

118 test(False, prefix, None, None, bell=True) 

119 

120 # Prefix 'a' tests skip line2, which starts with 'b' 

121 def test_fetch_prev_prefix(self): (empty)

122 prefix = 'a' 

123 self.text.insert('iomark', prefix) 

124 self.fetch_test(True, line1, prefix, 0) 

125 self.fetch_test(True, prefix, None, None, bell=True) 

126 

127 def test_fetch_next_prefix(self): (empty)

128 prefix = 'a' 

129 self.text.insert('iomark', prefix) 

130 self.fetch_test(False, line1, prefix, 0) 

131 self.fetch_test(False, prefix, None, None, bell=True) 

132 

133 def test_fetch_prev_noncyclic(self): (empty)

134 prefix = '' 

135 self.history.cyclic = False 

136 test = self.fetch_test 

137 test(True, line2, prefix, 1) 

138 test(True, line1, prefix, 0) 

139 test(True, line1, prefix, 0, bell=True) 

140 

141 def test_fetch_next_noncyclic(self): (empty)

142 prefix = '' 

143 self.history.cyclic = False 

144 test = self.fetch_test 

145 test(False, prefix, None, None, bell=True) 

146 test(True, line2, prefix, 1) 

147 test(False, prefix, None, None, bell=True) 

148 test(False, prefix, None, None, bell=True) 

149 

150 def test_fetch_cursor_move(self): (empty)

151 # Move cursor after fetch 

152 self.history.fetch(reverse=True) # initialization 

153 self.text.mark_set('insert', 'iomark') 

154 self.fetch_test(True, line2, None, None, bell=True) 

155 

156 def test_fetch_edit(self): (empty)

157 # Edit after fetch 

158 self.history.fetch(reverse=True) # initialization 

159 self.text.delete('iomark', 'insert', ) 

160 self.text.insert('iomark', 'a =') 

161 self.fetch_test(True, line1, 'a =', 0) # prefix is reset 

162 

163 def test_history_prev_next(self): (empty)

164 # Minimally test functions bound to events 

165 self.history.history_prev('dummy event') 

166 self.assertEqual(self.history.pointer, 1) 

167 self.history.history_next('dummy event') 

168 self.assertEqual(self.history.pointer, None) 

169 

170 

171if __name__ == '__main__': 171 ↛ 172line 171 didn't jump to line 172, because the condition on line 171 was never true(empty)

172 unittest.main(verbosity=2, exit=2)