line raw effective internal space isn t counted different results when mixing tabs and spaces spaces not divisible by tabwidth only checks spaces and tabs line raw effective internal space isn t counted different results when mixing tabs and spaces spaces not divisible by tabwidth only checks spaces and tabs selected text deletes selected text before adding new line line raw effective internal space isn t counted different results when mixing tabs and spaces spaces not divisible by tabwidth only checks spaces and tabs line raw effective internal space isn t counted different results when mixing tabs and spaces spaces not divisible by tabwidth only checks spaces and tabs force update for colorizer to finish docstring docstring n docstring n docstring line 2 docstring n docstring line 2 n selected text deletes selected text before adding new line text block indent tokenerror
"Test editor, coverage 53%."

from idlelib import editor
import unittest
from collections import namedtuple
from test.support import requires
from tkinter import Tk, Text

Editor = editor.EditorWindow


class EditorWindowTest(unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        requires('gui')
        cls.root = Tk()
        cls.root.withdraw()

    @classmethod
    def tearDownClass(cls):
        cls.root.update_idletasks()
        for id in cls.root.tk.call('after', 'info'):
            cls.root.after_cancel(id)
        cls.root.destroy()
        del cls.root

    def test_init(self):
        e = Editor(root=self.root)
        self.assertEqual(e.root, self.root)
        e._close()


class GetLineIndentTest(unittest.TestCase):
    def test_empty_lines(self):
        for tabwidth in [1, 2, 4, 6, 8]:
            for line in ['', '\n']:
                with self.subTest(line=line, tabwidth=tabwidth):
                    self.assertEqual(
                        editor.get_line_indent(line, tabwidth=tabwidth),
                        (0, 0),
                    )

    def test_tabwidth_4(self):
        
        tests = (('no spaces', (0, 0)),
                 
                 ('    space test', (4, 4)),
                 ('\ttab test', (1, 4)),
                 ('\t\tdouble tabs test', (2, 8)),
                 
                 ('    \tmixed test', (5, 8)),
                 ('  \t  mixed test', (5, 6)),
                 ('\t    mixed test', (5, 8)),
                 
                 ('  \tmixed test', (3, 4)),
                 (' \t mixed test', (3, 5)),
                 ('\t  mixed test', (3, 6)),
                 
                 ('\nnewline test', (0, 0)))

        for line, expected in tests:
            with self.subTest(line=line):
                self.assertEqual(
                    editor.get_line_indent(line, tabwidth=4),
                    expected,
                )

    def test_tabwidth_8(self):
        
        tests = (('no spaces', (0, 0)),
                 
                 ('        space test', (8, 8)),
                 ('\ttab test', (1, 8)),
                 ('\t\tdouble tabs test', (2, 16)),
                 
                 ('        \tmixed test', (9, 16)),
                 ('      \t  mixed test', (9, 10)),
                 ('\t        mixed test', (9, 16)),
                 
                 ('  \tmixed test', (3, 8)),
                 (' \t mixed test', (3, 9)),
                 ('\t  mixed test', (3, 10)),
                 
                 ('\nnewline test', (0, 0)))

        for line, expected in tests:
            with self.subTest(line=line):
                self.assertEqual(
                    editor.get_line_indent(line, tabwidth=8),
                    expected,
                )


def insert(text, string):
    text.delete('1.0', 'end')
    text.insert('end', string)
    text.update()  


class IndentAndNewlineTest(unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        requires('gui')
        cls.root = Tk()
        cls.root.withdraw()
        cls.window = Editor(root=cls.root)
        cls.window.indentwidth = 2
        cls.window.tabwidth = 2

    @classmethod
    def tearDownClass(cls):
        cls.window._close()
        del cls.window
        cls.root.update_idletasks()
        for id in cls.root.tk.call('after', 'info'):
            cls.root.after_cancel(id)
        cls.root.destroy()
        del cls.root

    def test_indent_and_newline_event(self):
        eq = self.assertEqual
        w = self.window
        text = w.text
        get = text.get
        nl = w.newline_and_indent_event

        TestInfo = namedtuple('Tests', ['label', 'text', 'expected', 'mark'])

        tests = (TestInfo('Empty line inserts with no indent.',
                          '  \n  def __init__(self):',
                          '\n  \n  def __init__(self):\n',
                          '1.end'),
                 TestInfo('Inside bracket before space, deletes space.',
                          '  def f1(self, a, b):',
                          '  def f1(self,\n         a, b):\n',
                          '1.14'),
                 TestInfo('Inside bracket after space, deletes space.',
                          '  def f1(self, a, b):',
                          '  def f1(self,\n         a, b):\n',
                          '1.15'),
                 TestInfo('Inside string with one line - no indent.',
                          '  ',
                          '  \n',
                          '1.15'),
                 TestInfo('Inside string with more than one line.',
                          '  ',
                          '  \n',
                          '2.18'),
                 TestInfo('Backslash with one line.',
                          'a =\\',
                          'a =\\\n  \n',
                          '1.end'),
                 TestInfo('Backslash with more than one line.',
                          'a =\\\n          multiline\\',
                          'a =\\\n          multiline\\\n          \n',
                          '2.end'),
                 TestInfo('Block opener - indents +1 level.',
                          '  def f1(self):\n    pass',
                          '  def f1(self):\n    \n    pass\n',
                          '1.end'),
                 TestInfo('Block closer - dedents -1 level.',
                          '  def f1(self):\n    pass',
                          '  def f1(self):\n    pass\n  \n',
                          '2.end'),
                 )

        for test in tests:
            with self.subTest(label=test.label):
                insert(text, test.text)
                text.mark_set('insert', test.mark)
                nl(event=None)
                eq(get('1.0', 'end'), test.expected)

        
        insert(text, '  def f1(self, a, b):\n    return a + b')
        text.tag_add('sel', '1.17', '1.end')
        nl(None)
        
        eq(get('1.0', 'end'), '  def f1(self, a,\n         \n    return a + b\n')


class IndentSearcherTest(unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        requires('gui')
        cls.root = Tk()
        cls.root.withdraw()
        cls.text = Text(cls.root)

    @classmethod
    def tearDownClass(cls):
        cls.root.destroy()
        del cls.root

    def test_searcher(self):
        text = self.text
        searcher = (self.text)
        test_info = (
                     ("", (None, None)),
                     ("[1,", (None, None)),  
                     ("if 1:\n", ('if 1:\n', None)),
                     ("if 1:\n  2\n  3\n", ('if 1:\n', '  2\n')),
                     )
        for code, expected_pair in test_info:
            with self.subTest(code=code):
                insert(text, code)
                actual_pair = editor.IndentSearcher(text).run()
                self.assertEqual(actual_pair, expected_pair)


class RMenuTest(unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        requires('gui')
        cls.root = Tk()
        cls.root.withdraw()
        cls.window = Editor(root=cls.root)

    @classmethod
    def tearDownClass(cls):
        cls.window._close()
        del cls.window
        cls.root.update_idletasks()
        for id in cls.root.tk.call('after', 'info'):
            cls.root.after_cancel(id)
        cls.root.destroy()
        del cls.root

    class DummyRMenu:
        def tk_popup(x, y): pass

    def test_rclick(self):
        pass


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