298 lines
10 KiB
Python
298 lines
10 KiB
Python
"Test autocomplete, coverage 93%."
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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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self.assertEqual(self.autocomplete.text, self.text)
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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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acp = self.autocomplete
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acp.autocompletewindow = m = Mock()
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acp._remove_autocomplete_window()
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m.hide_window.assert_called_once()
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self.assertIsNone(acp.autocompletewindow)
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def test_force_open_completions_event(self):
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# Call _open_completions and break.
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acp = self.autocomplete
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open_c = Func()
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acp.open_completions = open_c
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self.assertEqual(acp.force_open_completions_event('event'), 'break')
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self.assertEqual(open_c.args[0], ac.FORCE)
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def test_autocomplete_event(self):
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Equal = self.assertEqual
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acp = self.autocomplete
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# Result of autocomplete event: If modified tab, None.
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ev = Event(mc_state=True)
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self.assertIsNone(acp.autocomplete_event(ev))
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del ev.mc_state
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# If tab after whitespace, None.
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self.text.insert('1.0', ' """Docstring.\n ')
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self.assertIsNone(acp.autocomplete_event(ev))
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self.text.delete('1.0', 'end')
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# If active autocomplete window, complete() and 'break'.
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self.text.insert('1.0', 're.')
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acp.autocompletewindow = mock = Mock()
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mock.is_active = Mock(return_value=True)
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Equal(acp.autocomplete_event(ev), 'break')
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mock.complete.assert_called_once()
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acp.autocompletewindow = None
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# If no active autocomplete window, open_completions(), None/break.
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open_c = Func(result=False)
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acp.open_completions = open_c
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Equal(acp.autocomplete_event(ev), None)
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Equal(open_c.args[0], ac.TAB)
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open_c.result = True
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Equal(acp.autocomplete_event(ev), 'break')
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Equal(open_c.args[0], ac.TAB)
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def test_try_open_completions_event(self):
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Equal = self.assertEqual
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text = self.text
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acp = self.autocomplete
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trycompletions = acp.try_open_completions_event
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after = Func(result='after1')
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acp.text.after = after
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# If no text or trigger, after not called.
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trycompletions()
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Equal(after.called, 0)
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text.insert('1.0', 're')
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trycompletions()
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Equal(after.called, 0)
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# Attribute needed, no existing callback.
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text.insert('insert', ' re.')
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acp._delayed_completion_id = None
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trycompletions()
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Equal(acp._delayed_completion_index, text.index('insert'))
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Equal(after.args,
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(acp.popupwait, acp._delayed_open_completions, ac.TRY_A))
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cb1 = acp._delayed_completion_id
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Equal(cb1, 'after1')
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# File needed, existing callback cancelled.
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text.insert('insert', ' "./Lib/')
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after.result = 'after2'
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cancel = Func()
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acp.text.after_cancel = cancel
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trycompletions()
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Equal(acp._delayed_completion_index, text.index('insert'))
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Equal(cancel.args, (cb1,))
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Equal(after.args,
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(acp.popupwait, acp._delayed_open_completions, ac.TRY_F))
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Equal(acp._delayed_completion_id, 'after2')
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def test_delayed_open_completions(self):
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Equal = self.assertEqual
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acp = self.autocomplete
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open_c = Func()
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acp.open_completions = open_c
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self.text.insert('1.0', '"dict.')
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# Set autocomplete._delayed_completion_id to None.
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# Text index changed, don't call open_completions.
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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('dummy')
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self.assertIsNone(acp._delayed_completion_id)
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Equal(open_c.called, 0)
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# Text index unchanged, call open_completions.
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acp._delayed_completion_index = self.text.index('insert')
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acp._delayed_open_completions((1, 2, 3, ac.FILES))
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self.assertEqual(open_c.args[0], (1, 2, 3, ac.FILES))
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def test_oc_cancel_comment(self):
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none = self.assertIsNone
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acp = self.autocomplete
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# Comment is in neither code or string.
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acp._delayed_completion_id = 'after'
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after = Func(result='after')
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acp.text.after_cancel = after
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self.text.insert(1.0, '# comment')
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none(acp.open_completions(ac.TAB)) # From 'else' after 'elif'.
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none(acp._delayed_completion_id)
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def test_oc_no_list(self):
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acp = self.autocomplete
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fetch = Func(result=([],[]))
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acp.fetch_completions = fetch
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self.text.insert('1.0', 'object')
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self.assertIsNone(acp.open_completions(ac.TAB))
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self.text.insert('insert', '.')
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self.assertIsNone(acp.open_completions(ac.TAB))
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self.assertEqual(fetch.called, 2)
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def test_open_completions_none(self):
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# Test other two None returns.
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none = self.assertIsNone
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acp = self.autocomplete
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# No object for attributes or need call not allowed.
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self.text.insert(1.0, '.')
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none(acp.open_completions(ac.TAB))
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self.text.insert('insert', ' int().')
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none(acp.open_completions(ac.TAB))
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# Blank or quote trigger 'if complete ...'.
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self.text.delete(1.0, 'end')
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self.assertFalse(acp.open_completions(ac.TAB))
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self.text.insert('1.0', '"')
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self.assertFalse(acp.open_completions(ac.TAB))
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self.text.delete('1.0', 'end')
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class dummy_acw():
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__init__ = Func()
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show_window = Func(result=False)
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hide_window = Func()
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def test_open_completions(self):
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# Test completions of files and attributes.
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acp = self.autocomplete
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fetch = Func(result=(['tem'],['tem', '_tem']))
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acp.fetch_completions = fetch
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def make_acw(): return self.dummy_acw()
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acp._make_autocomplete_window = make_acw
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self.text.insert('1.0', 'int.')
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acp.open_completions(ac.TAB)
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self.assertIsInstance(acp.autocompletewindow, self.dummy_acw)
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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(acp.open_completions(ac.TAB))
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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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acp = self.autocomplete
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small, large = acp.fetch_completions(
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'', ac.ATTRS)
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if hasattr(__main__, '__file__') and __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 = acp.fetch_completions('', ac.ATTRS)
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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 = acp.fetch_completions('', ac.ATTRS)
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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 = acp.fetch_completions('foo', ac.ATTRS)
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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 = acp.fetch_completions('', ac.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 = acp.fetch_completions('~', ac.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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acp = self.autocomplete
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Equal = self.assertEqual
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Equal(acp.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(acp.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(acp.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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acp.get_entity('not_exist')
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if __name__ == '__main__':
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unittest.main(verbosity=2)
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