Edit: test_outwin.py
"Test outwin, coverage 76%." from idlelib import outwin import unittest from test.support import requires from tkinter import Tk, Text from idlelib.idle_test.mock_tk import Mbox_func from idlelib.idle_test.mock_idle import Func from unittest import mock class OutputWindowTest(unittest.TestCase): @classmethod def setUpClass(cls): requires('gui') root = cls.root = Tk() root.withdraw() w = cls.window = outwin.OutputWindow(None, None, None, root) cls.text = w.text = Text(root) @classmethod def tearDownClass(cls): cls.window.close() del cls.text, cls.window cls.root.destroy() del cls.root def setUp(self): self.text.delete('1.0', 'end') def test_ispythonsource(self): # OutputWindow overrides ispythonsource to always return False. w = self.window self.assertFalse(w.ispythonsource('test.txt')) self.assertFalse(w.ispythonsource(__file__)) def test_window_title(self): self.assertEqual(self.window.top.title(), 'Output') def test_maybesave(self): w = self.window eq = self.assertEqual w.get_saved = Func() w.get_saved.result = False eq(w.maybesave(), 'no') eq(w.get_saved.called, 1) w.get_saved.result = True eq(w.maybesave(), 'yes') eq(w.get_saved.called, 2) del w.get_saved def test_write(self): eq = self.assertEqual delete = self.text.delete get = self.text.get write = self.window.write # Test bytes. b = b'Test bytes.' eq(write(b), len(b)) eq(get('1.0', '1.end'), b.decode()) # No new line - insert stays on same line. delete('1.0', 'end') test_text = 'test text' eq(write(test_text), len(test_text)) eq(get('1.0', '1.end'), 'test text') eq(get('insert linestart', 'insert lineend'), 'test text') # New line - insert moves to next line. delete('1.0', 'end') test_text = 'test text\n' eq(write(test_text), len(test_text)) eq(get('1.0', '1.end'), 'test text') eq(get('insert linestart', 'insert lineend'), '') # Text after new line is tagged for second line of Text widget. delete('1.0', 'end') test_text = 'test text\nLine 2' eq(write(test_text), len(test_text)) eq(get('1.0', '1.end'), 'test text') eq(get('2.0', '2.end'), 'Line 2') eq(get('insert linestart', 'insert lineend'), 'Line 2') # Test tags. delete('1.0', 'end') test_text = 'test text\n' test_text2 = 'Line 2\n' eq(write(test_text, tags='mytag'), len(test_text)) eq(write(test_text2, tags='secondtag'), len(test_text2)) eq(get('mytag.first', 'mytag.last'), test_text) eq(get('secondtag.first', 'secondtag.last'), test_text2) eq(get('1.0', '1.end'), test_text.rstrip('\n')) eq(get('2.0', '2.end'), test_text2.rstrip('\n')) def test_writelines(self): eq = self.assertEqual get = self.text.get writelines = self.window.writelines writelines(('Line 1\n', 'Line 2\n', 'Line 3\n')) eq(get('1.0', '1.end'), 'Line 1') eq(get('2.0', '2.end'), 'Line 2') eq(get('3.0', '3.end'), 'Line 3') eq(get('insert linestart', 'insert lineend'), '') def test_goto_file_line(self): eq = self.assertEqual w = self.window text = self.text w.flist = mock.Mock() gfl = w.flist.gotofileline = Func() showerror = w.showerror = Mbox_func() # No file/line number. w.write('Not a file line') self.assertIsNone(w.goto_file_line()) eq(gfl.called, 0) eq(showerror.title, 'No special line') # Current file/line number. w.write(f'{str(__file__)}: 42: spam\n') w.write(f'{str(__file__)}: 21: spam') self.assertIsNone(w.goto_file_line()) eq(gfl.args, (str(__file__), 21)) # Previous line has file/line number. text.delete('1.0', 'end') w.write(f'{str(__file__)}: 42: spam\n') w.write('Not a file line') self.assertIsNone(w.goto_file_line()) eq(gfl.args, (str(__file__), 42)) del w.flist.gotofileline, w.showerror class ModuleFunctionTest(unittest.TestCase): @classmethod def setUp(cls): outwin.file_line_progs = None def test_compile_progs(self): outwin.compile_progs() for pat, regex in zip(outwin.file_line_pats, outwin.file_line_progs): self.assertEqual(regex.pattern, pat) @mock.patch('builtins.open') def test_file_line_helper(self, mock_open): flh = outwin.file_line_helper test_lines = ( (r'foo file "testfile1", line 42, bar', ('testfile1', 42)), (r'foo testfile2(21) bar', ('testfile2', 21)), (r' testfile3 : 42: foo bar\n', (' testfile3 ', 42)), (r'foo testfile4.py :1: ', ('foo testfile4.py ', 1)), ('testfile5: \u19D4\u19D2: ', ('testfile5', 42)), (r'testfile6: 42', None), # only one `:` (r'testfile7 42 text', None) # no separators ) for line, expected_output in test_lines: self.assertEqual(flh(line), expected_output) if expected_output: mock_open.assert_called_with(expected_output[0], 'r') if __name__ == '__main__': unittest.main(verbosity=2)
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