outputwindow overrides ispythonsource to always return false no new line insert stays on same line new line insert moves to next line text after new line is tagged for second line of text widget test tags no fileline number current fileline number previous line has fileline number outputwindow overrides ispythonsource to always return false no new line insert stays on same line new line insert moves to next line text after new line is tagged for second line of text widget test tags no file line number current file line number previous line has file line number only one no separators
"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):
        
        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

        
        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')

        
        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'), '')

        
        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')

        
        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()

        
        w.write('Not a file line')
        self.assertIsNone(w.goto_file_line())
        eq(gfl.called, 0)
        eq(showerror.title, 'No special line')

        
        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))

        
        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),       
            (r'testfile7 42 text', None)    
            )
        for line, expected_output in test_lines:
            self.assertEqual(flh(line), expected_output)
            if expected_output:
                mock_open.assert_called_with(expected_output[0])


if __name__ == '__main__':
    unittest.main(verbosity=2)