"Test autocomplete, coverage 93%." import unittest from unittest.mock import Mock, patch from test.support import requires from tkinter import Tk, Text import os import __main__ import idlelib.autocomplete as ac import idlelib.autocomplete_w as acw from idlelib.idle_test.mock_idle import Func from idlelib.idle_test.mock_tk import Event class DummyEditwin: def __init__(self, root, text): self.root = root self.text = text self.indentwidth = 8 self.tabwidth = 8 self.prompt_last_line = '>>>' # Currently not used by autocomplete. class AutoCompleteTest(unittest.TestCase): @classmethod def setUpClass(cls): requires('gui') cls.root = Tk() cls.root.withdraw() cls.text = Text(cls.root) cls.editor = DummyEditwin(cls.root, cls.text) @classmethod def tearDownClass(cls): del cls.editor, cls.text cls.root.update_idletasks() cls.root.destroy() del cls.root def setUp(self): self.text.delete('1.0', 'end') self.autocomplete = ac.AutoComplete(self.editor) def test_init(self): self.assertEqual(self.autocomplete.editwin, self.editor) self.assertEqual(self.autocomplete.text, self.text) def test_make_autocomplete_window(self): testwin = self.autocomplete._make_autocomplete_window() self.assertIsInstance(testwin, acw.AutoCompleteWindow) def test_remove_autocomplete_window(self): acp = self.autocomplete acp.autocompletewindow = m = Mock() acp._remove_autocomplete_window() m.hide_window.assert_called_once() self.assertIsNone(acp.autocompletewindow) def test_force_open_completions_event(self): # Call _open_completions and break. acp = self.autocomplete open_c = Func() acp.open_completions = open_c self.assertEqual(acp.force_open_completions_event('event'), 'break') self.assertEqual(open_c.args[0], ac.FORCE) def test_autocomplete_event(self): Equal = self.assertEqual acp = self.autocomplete # Result of autocomplete event: If modified tab, None. ev = Event(mc_state=True) self.assertIsNone(acp.autocomplete_event(ev)) del ev.mc_state # If tab after whitespace, None. self.text.insert('1.0', ' """Docstring.\n ') self.assertIsNone(acp.autocomplete_event(ev)) self.text.delete('1.0', 'end') # If active autocomplete window, complete() and 'break'. self.text.insert('1.0', 're.') acp.autocompletewindow = mock = Mock() mock.is_active = Mock(return_value=True) Equal(acp.autocomplete_event(ev), 'break') mock.complete.assert_called_once() acp.autocompletewindow = None # If no active autocomplete window, open_completions(), None/break. open_c = Func(result=False) acp.open_completions = open_c Equal(acp.autocomplete_event(ev), None) Equal(open_c.args[0], ac.TAB) open_c.result = True Equal(acp.autocomplete_event(ev), 'break') Equal(open_c.args[0], ac.TAB) def test_try_open_completions_event(self): Equal = self.assertEqual text = self.text acp = self.autocomplete trycompletions = acp.try_open_completions_event after = Func(result='after1') acp.text.after = after # If no text or trigger, after not called. trycompletions() Equal(after.called, 0) text.insert('1.0', 're') trycompletions() Equal(after.called, 0) # Attribute needed, no existing callback. text.insert('insert', ' re.') acp._delayed_completion_id = None trycompletions() Equal(acp._delayed_completion_index, text.index('insert')) Equal(after.args, (acp.popupwait, acp._delayed_open_completions, ac.TRY_A)) cb1 = acp._delayed_completion_id Equal(cb1, 'after1') # File needed, existing callback cancelled. text.insert('insert', ' "./Lib/') after.result = 'after2' cancel = Func() acp.text.after_cancel = cancel trycompletions() Equal(acp._delayed_completion_index, text.index('insert')) Equal(cancel.args, (cb1,)) Equal(after.args, (acp.popupwait, acp._delayed_open_completions, ac.TRY_F)) Equal(acp._delayed_completion_id, 'after2') def test_delayed_open_completions(self): Equal = self.assertEqual acp = self.autocomplete open_c = Func() acp.open_completions = open_c self.text.insert('1.0', '"dict.') # Set autocomplete._delayed_completion_id to None. # Text index changed, don't call open_completions. acp._delayed_completion_id = 'after' acp._delayed_completion_index = self.text.index('insert+1c') acp._delayed_open_completions('dummy') self.assertIsNone(acp._delayed_completion_id) Equal(open_c.called, 0) # Text index unchanged, call open_completions. acp._delayed_completion_index = self.text.index('insert') acp._delayed_open_completions((1, 2, 3, ac.FILES)) self.assertEqual(open_c.args[0], (1, 2, 3, ac.FILES)) def test_oc_cancel_comment(self): none = self.assertIsNone acp = self.autocomplete # Comment is in neither code or string. acp._delayed_completion_id = 'after' after = Func(result='after') acp.text.after_cancel = after self.text.insert(1.0, '# comment') none(acp.open_completions(ac.TAB)) # From 'else' after 'elif'. none(acp._delayed_completion_id) def test_oc_no_list(self): acp = self.autocomplete fetch = Func(result=([],[])) acp.fetch_completions = fetch self.text.insert('1.0', 'object') self.assertIsNone(acp.open_completions(ac.TAB)) self.text.insert('insert', '.') self.assertIsNone(acp.open_completions(ac.TAB)) self.assertEqual(fetch.called, 2) def test_open_completions_none(self): # Test other two None returns. none = self.assertIsNone acp = self.autocomplete # No object for attributes or need call not allowed. self.text.insert(1.0, '.') none(acp.open_completions(ac.TAB)) self.text.insert('insert', ' int().') none(acp.open_completions(ac.TAB)) # Blank or quote trigger 'if complete ...'. self.text.delete(1.0, 'end') self.assertFalse(acp.open_completions(ac.TAB)) self.text.insert('1.0', '"') self.assertFalse(acp.open_completions(ac.TAB)) self.text.delete('1.0', 'end') class dummy_acw: __init__ = Func() show_window = Func(result=False) hide_window = Func() def test_open_completions(self): # Test completions of files and attributes. acp = self.autocomplete fetch = Func(result=(['tem'],['tem', '_tem'])) acp.fetch_completions = fetch def make_acw(): return self.dummy_acw() acp._make_autocomplete_window = make_acw self.text.insert('1.0', 'int.') acp.open_completions(ac.TAB) self.assertIsInstance(acp.autocompletewindow, self.dummy_acw) self.text.delete('1.0', 'end') # Test files. self.text.insert('1.0', '"t') self.assertTrue(acp.open_completions(ac.TAB)) self.text.delete('1.0', 'end') def test_fetch_completions(self): # Test that fetch_completions returns 2 lists: # For attribute completion, a large list containing all variables, and # a small list containing non-private variables. # For file completion, a large list containing all files in the path, # and a small list containing files that do not start with '.'. acp = self.autocomplete small, large = acp.fetch_completions( '', ac.ATTRS) if hasattr(__main__, '__file__') and __main__.__file__ != ac.__file__: self.assertNotIn('AutoComplete', small) # See issue 36405. # Test attributes s, b = acp.fetch_completions('', ac.ATTRS) self.assertLess(len(small), len(large)) self.assertTrue(all(filter(lambda x: x.startswith('_'), s))) self.assertTrue(any(filter(lambda x: x.startswith('_'), b))) # Test smalll should respect to __all__. with patch.dict('__main__.__dict__', {'__all__': ['a', 'b']}): s, b = acp.fetch_completions('', ac.ATTRS) self.assertEqual(s, ['a', 'b']) self.assertIn('__name__', b) # From __main__.__dict__. self.assertIn('sum', b) # From __main__.__builtins__.__dict__. self.assertIn('nonlocal', b) # From keyword.kwlist. pos = b.index('False') # Test False not included twice. self.assertNotEqual(b[pos+1], 'False') # Test attributes with name entity. mock = Mock() mock._private = Mock() with patch.dict('__main__.__dict__', {'foo': mock}): s, b = acp.fetch_completions('foo', ac.ATTRS) self.assertNotIn('_private', s) self.assertIn('_private', b) self.assertEqual(s, [i for i in sorted(dir(mock)) if i[:1] != '_']) self.assertEqual(b, sorted(dir(mock))) # Test files def _listdir(path): # This will be patch and used in fetch_completions. if path == '.': return ['foo', 'bar', '.hidden'] return ['monty', 'python', '.hidden'] with patch.object(os, 'listdir', _listdir): s, b = acp.fetch_completions('', ac.FILES) self.assertEqual(s, ['bar', 'foo']) self.assertEqual(b, ['.hidden', 'bar', 'foo']) s, b = acp.fetch_completions('~', ac.FILES) self.assertEqual(s, ['monty', 'python']) self.assertEqual(b, ['.hidden', 'monty', 'python']) def test_get_entity(self): # Test that a name is in the namespace of sys.modules and # __main__.__dict__. acp = self.autocomplete Equal = self.assertEqual Equal(acp.get_entity('int'), int) # Test name from sys.modules. mock = Mock() with patch.dict('sys.modules', {'tempfile': mock}): Equal(acp.get_entity('tempfile'), mock) # Test name from __main__.__dict__. di = {'foo': 10, 'bar': 20} with patch.dict('__main__.__dict__', {'d': di}): Equal(acp.get_entity('d'), di) # Test name not in namespace. with patch.dict('__main__.__dict__', {}): with self.assertRaises(NameError): acp.get_entity('not_exist') if __name__ == '__main__': unittest.main(verbosity=2)