167 lines
5.3 KiB
Python
167 lines
5.3 KiB
Python
import unittest
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from test.support import requires
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import tkinter as tk
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from tkinter import Text as tkText
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from idlelib.idle_test.mock_tk import Text as mkText
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from idlelib.IdleHistory import History
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from idlelib.configHandler import idleConf
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line1 = 'a = 7'
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line2 = 'b = a'
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class StoreTest(unittest.TestCase):
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'''Tests History.__init__ and History.store with mock Text'''
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@classmethod
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def setUpClass(cls):
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cls.text = mkText()
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cls.history = History(cls.text)
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def tearDown(self):
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self.text.delete('1.0', 'end')
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self.history.history = []
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def test_init(self):
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self.assertIs(self.history.text, self.text)
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self.assertEqual(self.history.history, [])
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self.assertIsNone(self.history.prefix)
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self.assertIsNone(self.history.pointer)
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self.assertEqual(self.history.cyclic,
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idleConf.GetOption("main", "History", "cyclic", 1, "bool"))
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def test_store_short(self):
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self.history.store('a')
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self.assertEqual(self.history.history, [])
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self.history.store(' a ')
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self.assertEqual(self.history.history, [])
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def test_store_dup(self):
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self.history.store(line1)
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self.assertEqual(self.history.history, [line1])
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self.history.store(line2)
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self.assertEqual(self.history.history, [line1, line2])
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self.history.store(line1)
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self.assertEqual(self.history.history, [line2, line1])
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def test_store_reset(self):
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self.history.prefix = line1
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self.history.pointer = 0
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self.history.store(line2)
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self.assertIsNone(self.history.prefix)
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self.assertIsNone(self.history.pointer)
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class TextWrapper:
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def __init__(self, master):
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self.text = tkText(master=master)
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self._bell = False
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def __getattr__(self, name):
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return getattr(self.text, name)
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def bell(self):
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self._bell = True
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class FetchTest(unittest.TestCase):
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'''Test History.fetch with wrapped tk.Text.
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'''
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@classmethod
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def setUpClass(cls):
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requires('gui')
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cls.root = tk.Tk()
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def setUp(self):
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self.text = text = TextWrapper(self.root)
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text.insert('1.0', ">>> ")
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text.mark_set('iomark', '1.4')
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text.mark_gravity('iomark', 'left')
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self.history = History(text)
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self.history.history = [line1, line2]
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@classmethod
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def tearDownClass(cls):
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cls.root.destroy()
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def fetch_test(self, reverse, line, prefix, index, *, bell=False):
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# Perform one fetch as invoked by Alt-N or Alt-P
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# Test the result. The line test is the most important.
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# The last two are diagnostic of fetch internals.
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History = self.history
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History.fetch(reverse)
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Equal = self.assertEqual
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Equal(self.text.get('iomark', 'end-1c'), line)
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Equal(self.text._bell, bell)
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if bell:
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self.text._bell = False
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Equal(History.prefix, prefix)
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Equal(History.pointer, index)
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Equal(self.text.compare("insert", '==', "end-1c"), 1)
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def test_fetch_prev_cyclic(self):
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prefix = ''
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test = self.fetch_test
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test(True, line2, prefix, 1)
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test(True, line1, prefix, 0)
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test(True, prefix, None, None, bell=True)
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def test_fetch_next_cyclic(self):
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prefix = ''
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test = self.fetch_test
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test(False, line1, prefix, 0)
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test(False, line2, prefix, 1)
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test(False, prefix, None, None, bell=True)
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# Prefix 'a' tests skip line2, which starts with 'b'
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def test_fetch_prev_prefix(self):
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prefix = 'a'
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self.text.insert('iomark', prefix)
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self.fetch_test(True, line1, prefix, 0)
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self.fetch_test(True, prefix, None, None, bell=True)
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def test_fetch_next_prefix(self):
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prefix = 'a'
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self.text.insert('iomark', prefix)
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self.fetch_test(False, line1, prefix, 0)
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self.fetch_test(False, prefix, None, None, bell=True)
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def test_fetch_prev_noncyclic(self):
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prefix = ''
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self.history.cyclic = False
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test = self.fetch_test
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test(True, line2, prefix, 1)
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test(True, line1, prefix, 0)
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test(True, line1, prefix, 0, bell=True)
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def test_fetch_next_noncyclic(self):
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prefix = ''
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self.history.cyclic = False
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test = self.fetch_test
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test(False, prefix, None, None, bell=True)
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test(True, line2, prefix, 1)
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test(False, prefix, None, None, bell=True)
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test(False, prefix, None, None, bell=True)
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def test_fetch_cursor_move(self):
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# Move cursor after fetch
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self.history.fetch(reverse=True) # initialization
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self.text.mark_set('insert', 'iomark')
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self.fetch_test(True, line2, None, None, bell=True)
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def test_fetch_edit(self):
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# Edit after fetch
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self.history.fetch(reverse=True) # initialization
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self.text.delete('iomark', 'insert', )
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self.text.insert('iomark', 'a =')
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self.fetch_test(True, line1, 'a =', 0) # prefix is reset
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def test_history_prev_next(self):
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# Minimally test functions bound to events
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self.history.history_prev('dummy event')
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self.assertEqual(self.history.pointer, 1)
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self.history.history_next('dummy event')
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self.assertEqual(self.history.pointer, None)
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if __name__ == '__main__':
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unittest.main(verbosity=2, exit=2)
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