248 lines
9.6 KiB
Python
248 lines
9.6 KiB
Python
"Test autocomplete, coverage 87%."
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import unittest
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from unittest.mock import Mock, patch
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from test.support import requires
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from tkinter import Tk, Text
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import os
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import __main__
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import idlelib.autocomplete as ac
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import idlelib.autocomplete_w as acw
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from idlelib.idle_test.mock_idle import Func
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from idlelib.idle_test.mock_tk import Event
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class DummyEditwin:
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def __init__(self, root, text):
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self.root = root
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self.text = text
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self.indentwidth = 8
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self.tabwidth = 8
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self.prompt_last_line = '>>>' # Currently not used by autocomplete.
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class AutoCompleteTest(unittest.TestCase):
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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()
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cls.root.withdraw()
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cls.text = Text(cls.root)
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cls.editor = DummyEditwin(cls.root, cls.text)
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@classmethod
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def tearDownClass(cls):
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del cls.editor, cls.text
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cls.root.update_idletasks()
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cls.root.destroy()
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del cls.root
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def setUp(self):
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self.text.delete('1.0', 'end')
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self.autocomplete = ac.AutoComplete(self.editor)
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def test_init(self):
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self.assertEqual(self.autocomplete.editwin, self.editor)
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def test_make_autocomplete_window(self):
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testwin = self.autocomplete._make_autocomplete_window()
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self.assertIsInstance(testwin, acw.AutoCompleteWindow)
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def test_remove_autocomplete_window(self):
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self.autocomplete.autocompletewindow = (
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self.autocomplete._make_autocomplete_window())
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self.autocomplete._remove_autocomplete_window()
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self.assertIsNone(self.autocomplete.autocompletewindow)
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def test_force_open_completions_event(self):
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# Test that force_open_completions_event calls _open_completions.
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o_cs = Func()
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self.autocomplete.open_completions = o_cs
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self.autocomplete.force_open_completions_event('event')
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self.assertEqual(o_cs.args, (True, False, True))
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def test_try_open_completions_event(self):
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Equal = self.assertEqual
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autocomplete = self.autocomplete
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trycompletions = self.autocomplete.try_open_completions_event
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o_c_l = Func()
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autocomplete._open_completions_later = o_c_l
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# _open_completions_later should not be called with no text in editor.
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trycompletions('event')
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Equal(o_c_l.args, None)
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# _open_completions_later should be called with COMPLETE_ATTRIBUTES (1).
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self.text.insert('1.0', 're.')
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trycompletions('event')
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Equal(o_c_l.args, (False, False, False, 1))
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# _open_completions_later should be called with COMPLETE_FILES (2).
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self.text.delete('1.0', 'end')
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self.text.insert('1.0', '"./Lib/')
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trycompletions('event')
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Equal(o_c_l.args, (False, False, False, 2))
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def test_autocomplete_event(self):
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Equal = self.assertEqual
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autocomplete = self.autocomplete
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# Test that the autocomplete event is ignored if user is pressing a
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# modifier key in addition to the tab key.
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ev = Event(mc_state=True)
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self.assertIsNone(autocomplete.autocomplete_event(ev))
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del ev.mc_state
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# Test that tab after whitespace is ignored.
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self.text.insert('1.0', ' """Docstring.\n ')
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self.assertIsNone(autocomplete.autocomplete_event(ev))
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self.text.delete('1.0', 'end')
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# If autocomplete window is open, complete() method is called.
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self.text.insert('1.0', 're.')
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# This must call autocomplete._make_autocomplete_window().
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Equal(self.autocomplete.autocomplete_event(ev), 'break')
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# If autocomplete window is not active or does not exist,
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# open_completions is called. Return depends on its return.
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autocomplete._remove_autocomplete_window()
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o_cs = Func() # .result = None.
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autocomplete.open_completions = o_cs
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Equal(self.autocomplete.autocomplete_event(ev), None)
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Equal(o_cs.args, (False, True, True))
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o_cs.result = True
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Equal(self.autocomplete.autocomplete_event(ev), 'break')
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Equal(o_cs.args, (False, True, True))
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def test_open_completions_later(self):
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# Test that autocomplete._delayed_completion_id is set.
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acp = self.autocomplete
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acp._delayed_completion_id = None
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acp._open_completions_later(False, False, False, ac.COMPLETE_ATTRIBUTES)
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cb1 = acp._delayed_completion_id
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self.assertTrue(cb1.startswith('after'))
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# Test that cb1 is cancelled and cb2 is new.
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acp._open_completions_later(False, False, False, ac.COMPLETE_FILES)
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self.assertNotIn(cb1, self.root.tk.call('after', 'info'))
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cb2 = acp._delayed_completion_id
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self.assertTrue(cb2.startswith('after') and cb2 != cb1)
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self.text.after_cancel(cb2)
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def test_delayed_open_completions(self):
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# Test that autocomplete._delayed_completion_id set to None
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# and that open_completions is not called if the index is not
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# equal to _delayed_completion_index.
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acp = self.autocomplete
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acp.open_completions = Func()
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acp._delayed_completion_id = 'after'
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acp._delayed_completion_index = self.text.index('insert+1c')
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acp._delayed_open_completions(1, 2, 3)
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self.assertIsNone(acp._delayed_completion_id)
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self.assertEqual(acp.open_completions.called, 0)
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# Test that open_completions is called if indexes match.
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acp._delayed_completion_index = self.text.index('insert')
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acp._delayed_open_completions(1, 2, 3, ac.COMPLETE_FILES)
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self.assertEqual(acp.open_completions.args, (1, 2, 3, 2))
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def test_open_completions(self):
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# Test completions of files and attributes as well as non-completion
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# of errors.
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self.text.insert('1.0', 'pr')
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self.assertTrue(self.autocomplete.open_completions(False, True, True))
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self.text.delete('1.0', 'end')
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# Test files.
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self.text.insert('1.0', '"t')
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#self.assertTrue(self.autocomplete.open_completions(False, True, True))
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self.text.delete('1.0', 'end')
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# Test with blank will fail.
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self.assertFalse(self.autocomplete.open_completions(False, True, True))
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# Test with only string quote will fail.
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self.text.insert('1.0', '"')
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self.assertFalse(self.autocomplete.open_completions(False, True, True))
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self.text.delete('1.0', 'end')
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def test_fetch_completions(self):
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# Test that fetch_completions returns 2 lists:
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# For attribute completion, a large list containing all variables, and
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# a small list containing non-private variables.
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# For file completion, a large list containing all files in the path,
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# and a small list containing files that do not start with '.'.
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autocomplete = self.autocomplete
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small, large = self.autocomplete.fetch_completions(
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'', ac.COMPLETE_ATTRIBUTES)
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if __main__.__file__ != ac.__file__:
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self.assertNotIn('AutoComplete', small) # See issue 36405.
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# Test attributes
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s, b = autocomplete.fetch_completions('', ac.COMPLETE_ATTRIBUTES)
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self.assertLess(len(small), len(large))
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self.assertTrue(all(filter(lambda x: x.startswith('_'), s)))
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self.assertTrue(any(filter(lambda x: x.startswith('_'), b)))
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# Test smalll should respect to __all__.
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with patch.dict('__main__.__dict__', {'__all__': ['a', 'b']}):
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s, b = autocomplete.fetch_completions('', ac.COMPLETE_ATTRIBUTES)
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self.assertEqual(s, ['a', 'b'])
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self.assertIn('__name__', b) # From __main__.__dict__
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self.assertIn('sum', b) # From __main__.__builtins__.__dict__
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# Test attributes with name entity.
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mock = Mock()
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mock._private = Mock()
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with patch.dict('__main__.__dict__', {'foo': mock}):
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s, b = autocomplete.fetch_completions('foo', ac.COMPLETE_ATTRIBUTES)
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self.assertNotIn('_private', s)
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self.assertIn('_private', b)
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self.assertEqual(s, [i for i in sorted(dir(mock)) if i[:1] != '_'])
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self.assertEqual(b, sorted(dir(mock)))
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# Test files
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def _listdir(path):
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# This will be patch and used in fetch_completions.
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if path == '.':
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return ['foo', 'bar', '.hidden']
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return ['monty', 'python', '.hidden']
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with patch.object(os, 'listdir', _listdir):
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s, b = autocomplete.fetch_completions('', ac.COMPLETE_FILES)
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self.assertEqual(s, ['bar', 'foo'])
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self.assertEqual(b, ['.hidden', 'bar', 'foo'])
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s, b = autocomplete.fetch_completions('~', ac.COMPLETE_FILES)
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self.assertEqual(s, ['monty', 'python'])
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self.assertEqual(b, ['.hidden', 'monty', 'python'])
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def test_get_entity(self):
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# Test that a name is in the namespace of sys.modules and
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# __main__.__dict__.
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autocomplete = self.autocomplete
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Equal = self.assertEqual
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Equal(self.autocomplete.get_entity('int'), int)
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# Test name from sys.modules.
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mock = Mock()
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with patch.dict('sys.modules', {'tempfile': mock}):
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Equal(autocomplete.get_entity('tempfile'), mock)
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# Test name from __main__.__dict__.
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di = {'foo': 10, 'bar': 20}
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with patch.dict('__main__.__dict__', {'d': di}):
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Equal(autocomplete.get_entity('d'), di)
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# Test name not in namespace.
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with patch.dict('__main__.__dict__', {}):
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with self.assertRaises(NameError):
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autocomplete.get_entity('not_exist')
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if __name__ == '__main__':
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unittest.main(verbosity=2)
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