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"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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