Restoring authorship annotation for <shadchin@yandex-team.ru>. Commit 2 of 2.

1 files changed, 629 insertions, 629 deletions

diff --git a/contrib/python/prompt-toolkit/py2/tests/test_cli.py b/contrib/python/prompt-toolkit/py2/tests/test_cli.py
index 403b6163d4..68ca3d03f0 100644
--- a/contrib/python/prompt-toolkit/py2/tests/test_cli.py
+++ b/contrib/python/prompt-toolkit/py2/tests/test_cli.py
@@ -1,629 +1,629 @@
-# encoding: utf-8 
-""" 
-These are almost end-to-end tests. They create a CommandLineInterface 
-instance, feed it with some input and check the result. 
-""" 
-from __future__ import unicode_literals 
-from prompt_toolkit.application import Application 
-from prompt_toolkit.buffer import Buffer, AcceptAction 
-from prompt_toolkit.clipboard import InMemoryClipboard, ClipboardData 
-from prompt_toolkit.enums import DEFAULT_BUFFER, EditingMode 
-from prompt_toolkit.eventloop.posix import PosixEventLoop 
-from prompt_toolkit.history import InMemoryHistory 
-from prompt_toolkit.input import PipeInput 
-from prompt_toolkit.interface import CommandLineInterface 
-from prompt_toolkit.key_binding.manager import KeyBindingManager 
-from prompt_toolkit.output import DummyOutput 
-from prompt_toolkit.terminal.vt100_input import ANSI_SEQUENCES 
-from functools import partial 
-import pytest 
- 
- 
-def _history(): 
-    h = InMemoryHistory() 
-    h.append('line1 first input') 
-    h.append('line2 second input') 
-    h.append('line3 third input') 
-    return h 
- 
- 
-def _feed_cli_with_input(text, editing_mode=EditingMode.EMACS, clipboard=None, 
-                         history=None, multiline=False, check_line_ending=True, 
-                         pre_run_callback=None): 
-    """ 
-    Create a CommandLineInterface, feed it with the given user input and return 
-    the CLI object. 
- 
-    This returns a (result, CLI) tuple. 
-    """ 
-    # If the given text doesn't end with a newline, the interface won't finish. 
-    if check_line_ending: 
-        assert text.endswith('\n') 
- 
-    loop = PosixEventLoop() 
-    try: 
-        inp = PipeInput() 
-        inp.send_text(text) 
-        cli = CommandLineInterface( 
-            application=Application( 
-                buffer=Buffer(accept_action=AcceptAction.RETURN_DOCUMENT, 
-                              history=history, is_multiline=multiline), 
-                editing_mode=editing_mode, 
-                clipboard=clipboard or InMemoryClipboard(), 
-                key_bindings_registry=KeyBindingManager.for_prompt().registry, 
-            ), 
-            eventloop=loop, 
-            input=inp, 
-            output=DummyOutput()) 
- 
-        if pre_run_callback: 
-            pre_run_callback(cli) 
- 
-        result = cli.run() 
-        return result, cli 
-    finally: 
-        loop.close() 
-        inp.close() 
- 
- 
-def test_simple_text_input(): 
-    # Simple text input, followed by enter. 
-    result, cli = _feed_cli_with_input('hello\n') 
-    assert result.text == 'hello' 
-    assert cli.buffers[DEFAULT_BUFFER].text == 'hello' 
- 
- 
-def test_emacs_cursor_movements(): 
-    """ 
-    Test cursor movements with Emacs key bindings. 
-    """ 
-    # ControlA (beginning-of-line) 
-    result, cli = _feed_cli_with_input('hello\x01X\n') 
-    assert result.text == 'Xhello' 
- 
-    # ControlE (end-of-line) 
-    result, cli = _feed_cli_with_input('hello\x01X\x05Y\n') 
-    assert result.text == 'XhelloY' 
- 
-    # ControlH or \b 
-    result, cli = _feed_cli_with_input('hello\x08X\n') 
-    assert result.text == 'hellX' 
- 
-    # Delete.  (Left, left, delete) 
-    result, cli = _feed_cli_with_input('hello\x1b[D\x1b[D\x1b[3~\n') 
-    assert result.text == 'helo' 
- 
-    # Left. 
-    result, cli = _feed_cli_with_input('hello\x1b[DX\n') 
-    assert result.text == 'hellXo' 
- 
-    # ControlA, right 
-    result, cli = _feed_cli_with_input('hello\x01\x1b[CX\n') 
-    assert result.text == 'hXello' 
- 
-    # ControlA, right 
-    result, cli = _feed_cli_with_input('hello\x01\x1b[CX\n') 
-    assert result.text == 'hXello' 
- 
-    # ControlB (backward-char) 
-    result, cli = _feed_cli_with_input('hello\x02X\n') 
-    assert result.text == 'hellXo' 
- 
-    # ControlF (forward-char) 
-    result, cli = _feed_cli_with_input('hello\x01\x06X\n') 
-    assert result.text == 'hXello' 
- 
-    # ControlC: raise KeyboardInterrupt. 
-    with pytest.raises(KeyboardInterrupt): 
-        result, cli = _feed_cli_with_input('hello\x03\n') 
-        assert result.text == 'hello' 
- 
-    # ControlD without any input: raises EOFError. 
-    with pytest.raises(EOFError): 
-        result, cli = _feed_cli_with_input('\x04\n') 
-        assert result.text == 'hello' 
- 
-    # ControlD: delete after cursor. 
-    result, cli = _feed_cli_with_input('hello\x01\x04\n') 
-    assert result.text == 'ello' 
- 
-    # ControlD at the end of the input ssshould not do anything. 
-    result, cli = _feed_cli_with_input('hello\x04\n') 
-    assert result.text == 'hello' 
- 
-    # Left, Left, ControlK  (kill-line) 
-    result, cli = _feed_cli_with_input('hello\x1b[D\x1b[D\x0b\n') 
-    assert result.text == 'hel' 
- 
-    # Left, Left Esc- ControlK (kill-line, but negative) 
-    result, cli = _feed_cli_with_input('hello\x1b[D\x1b[D\x1b-\x0b\n') 
-    assert result.text == 'lo' 
- 
-    # ControlL: should not influence the result. 
-    result, cli = _feed_cli_with_input('hello\x0c\n') 
-    assert result.text == 'hello' 
- 
-    # ControlRight (forward-word) 
-    result, cli = _feed_cli_with_input('hello world\x01X\x1b[1;5CY\n') 
-    assert result.text == 'XhelloY world' 
- 
-    # ContrlolLeft (backward-word) 
-    result, cli = _feed_cli_with_input('hello world\x1b[1;5DY\n') 
-    assert result.text == 'hello Yworld' 
- 
-    # <esc>-f with argument. (forward-word) 
-    result, cli = _feed_cli_with_input('hello world abc def\x01\x1b3\x1bfX\n') 
-    assert result.text == 'hello world abcX def' 
- 
-    # <esc>-f with negative argument. (forward-word) 
-    result, cli = _feed_cli_with_input('hello world abc def\x1b-\x1b3\x1bfX\n') 
-    assert result.text == 'hello Xworld abc def' 
- 
-    # <esc>-b with argument. (backward-word) 
-    result, cli = _feed_cli_with_input('hello world abc def\x1b3\x1bbX\n') 
-    assert result.text == 'hello Xworld abc def' 
- 
-    # <esc>-b with negative argument. (backward-word) 
-    result, cli = _feed_cli_with_input('hello world abc def\x01\x1b-\x1b3\x1bbX\n') 
-    assert result.text == 'hello world abc Xdef' 
- 
-    # ControlW (kill-word / unix-word-rubout) 
-    result, cli = _feed_cli_with_input('hello world\x17\n') 
-    assert result.text == 'hello ' 
-    assert cli.clipboard.get_data().text == 'world' 
- 
-    result, cli = _feed_cli_with_input('test hello world\x1b2\x17\n') 
-    assert result.text == 'test ' 
- 
-    # Escape Backspace (unix-word-rubout) 
-    result, cli = _feed_cli_with_input('hello world\x1b\x7f\n') 
-    assert result.text == 'hello ' 
-    assert cli.clipboard.get_data().text == 'world' 
- 
-    result, cli = _feed_cli_with_input('hello world\x1b\x08\n') 
-    assert result.text == 'hello ' 
-    assert cli.clipboard.get_data().text == 'world' 
- 
-    # Backspace (backward-delete-char) 
-    result, cli = _feed_cli_with_input('hello world\x7f\n') 
-    assert result.text == 'hello worl' 
-    assert result.cursor_position == len('hello worl') 
- 
-    result, cli = _feed_cli_with_input('hello world\x08\n') 
-    assert result.text == 'hello worl' 
-    assert result.cursor_position == len('hello worl') 
- 
-    # Delete (delete-char) 
-    result, cli = _feed_cli_with_input('hello world\x01\x1b[3~\n') 
-    assert result.text == 'ello world' 
-    assert result.cursor_position == 0 
- 
-    # Escape-\\ (delete-horizontal-space) 
-    result, cli = _feed_cli_with_input('hello     world\x1b8\x02\x1b\\\n') 
-    assert result.text == 'helloworld' 
-    assert result.cursor_position == len('hello') 
- 
- 
-def test_emacs_yank(): 
-    # ControlY (yank) 
-    c = InMemoryClipboard(ClipboardData('XYZ')) 
-    result, cli = _feed_cli_with_input('hello\x02\x19\n', clipboard=c) 
-    assert result.text == 'hellXYZo' 
-    assert result.cursor_position == len('hellXYZ') 
- 
- 
-def test_quoted_insert(): 
-    # ControlQ - ControlB (quoted-insert) 
-    result, cli = _feed_cli_with_input('hello\x11\x02\n') 
-    assert result.text == 'hello\x02' 
- 
- 
-def test_transformations(): 
-    # Meta-c (capitalize-word) 
-    result, cli = _feed_cli_with_input('hello world\01\x1bc\n') 
-    assert result.text == 'Hello world' 
-    assert result.cursor_position == len('Hello') 
- 
-    # Meta-u (uppercase-word) 
-    result, cli = _feed_cli_with_input('hello world\01\x1bu\n') 
-    assert result.text == 'HELLO world' 
-    assert result.cursor_position == len('Hello') 
- 
-    # Meta-u (downcase-word) 
-    result, cli = _feed_cli_with_input('HELLO WORLD\01\x1bl\n') 
-    assert result.text == 'hello WORLD' 
-    assert result.cursor_position == len('Hello') 
- 
-    # ControlT (transpose-chars) 
-    result, cli = _feed_cli_with_input('hello\x14\n') 
-    assert result.text == 'helol' 
-    assert result.cursor_position == len('hello') 
- 
-    # Left, Left, Control-T (transpose-chars) 
-    result, cli = _feed_cli_with_input('abcde\x1b[D\x1b[D\x14\n') 
-    assert result.text == 'abdce' 
-    assert result.cursor_position == len('abcd') 
- 
- 
-def test_emacs_other_bindings(): 
-    # Transpose characters. 
-    result, cli = _feed_cli_with_input('abcde\x14X\n')  # Ctrl-T 
-    assert result.text == 'abcedX' 
- 
-    # Left, Left, Transpose. (This is slightly different.) 
-    result, cli = _feed_cli_with_input('abcde\x1b[D\x1b[D\x14X\n') 
-    assert result.text == 'abdcXe' 
- 
-    # Clear before cursor. 
-    result, cli = _feed_cli_with_input('hello\x1b[D\x1b[D\x15X\n') 
-    assert result.text == 'Xlo' 
- 
-    # unix-word-rubout: delete word before the cursor. 
-    # (ControlW). 
-    result, cli = _feed_cli_with_input('hello world test\x17X\n') 
-    assert result.text == 'hello world X' 
- 
-    result, cli = _feed_cli_with_input('hello world /some/very/long/path\x17X\n') 
-    assert result.text == 'hello world X' 
- 
-    # (with argument.) 
-    result, cli = _feed_cli_with_input('hello world test\x1b2\x17X\n') 
-    assert result.text == 'hello X' 
- 
-    result, cli = _feed_cli_with_input('hello world /some/very/long/path\x1b2\x17X\n') 
-    assert result.text == 'hello X' 
- 
-    # backward-kill-word: delete word before the cursor. 
-    # (Esc-ControlH). 
-    result, cli = _feed_cli_with_input('hello world /some/very/long/path\x1b\x08X\n') 
-    assert result.text == 'hello world /some/very/long/X' 
- 
-    # (with arguments.) 
-    result, cli = _feed_cli_with_input('hello world /some/very/long/path\x1b3\x1b\x08X\n') 
-    assert result.text == 'hello world /some/very/X' 
- 
- 
-def test_controlx_controlx(): 
-    # At the end: go to the start of the line. 
-    result, cli = _feed_cli_with_input('hello world\x18\x18X\n') 
-    assert result.text == 'Xhello world' 
-    assert result.cursor_position == 1 
- 
-    # At the start: go to the end of the line. 
-    result, cli = _feed_cli_with_input('hello world\x01\x18\x18X\n') 
-    assert result.text == 'hello worldX' 
- 
-    # Left, Left Control-X Control-X: go to the end of the line. 
-    result, cli = _feed_cli_with_input('hello world\x1b[D\x1b[D\x18\x18X\n') 
-    assert result.text == 'hello worldX' 
- 
- 
-def test_emacs_history_bindings(): 
-    # Adding a new item to the history. 
-    history = _history() 
-    result, cli = _feed_cli_with_input('new input\n', history=history) 
-    assert result.text == 'new input' 
-    history.strings[-1] == 'new input' 
- 
-    # Go up in history, and accept the last item. 
-    result, cli = _feed_cli_with_input('hello\x1b[A\n', history=history) 
-    assert result.text == 'new input' 
- 
-    # Esc< (beginning-of-history) 
-    result, cli = _feed_cli_with_input('hello\x1b<\n', history=history) 
-    assert result.text == 'line1 first input' 
- 
-    # Esc> (end-of-history) 
-    result, cli = _feed_cli_with_input('another item\x1b[A\x1b[a\x1b>\n', history=history) 
-    assert result.text == 'another item' 
- 
-    # ControlUp (previous-history) 
-    result, cli = _feed_cli_with_input('\x1b[1;5A\n', history=history) 
-    assert result.text == 'another item' 
- 
-    # Esc< ControlDown (beginning-of-history, next-history) 
-    result, cli = _feed_cli_with_input('\x1b<\x1b[1;5B\n', history=history) 
-    assert result.text == 'line2 second input' 
- 
- 
-def test_emacs_reverse_search(): 
-    history = _history() 
- 
-    # ControlR  (reverse-search-history) 
-    result, cli = _feed_cli_with_input('\x12input\n\n', history=history) 
-    assert result.text == 'line3 third input' 
- 
-    # Hitting ControlR twice. 
-    result, cli = _feed_cli_with_input('\x12input\x12\n\n', history=history) 
-    assert result.text == 'line2 second input' 
- 
- 
-def test_emacs_arguments(): 
-    """ 
-    Test various combinations of arguments in Emacs mode. 
-    """ 
-    # esc 4 
-    result, cli = _feed_cli_with_input('\x1b4x\n') 
-    assert result.text == 'xxxx' 
- 
-    # esc 4 4 
-    result, cli = _feed_cli_with_input('\x1b44x\n') 
-    assert result.text == 'x' * 44 
- 
-    # esc 4 esc 4 
-    result, cli = _feed_cli_with_input('\x1b4\x1b4x\n') 
-    assert result.text == 'x' * 44 
- 
-    # esc - right (-1 position to the right, equals 1 to the left.) 
-    result, cli = _feed_cli_with_input('aaaa\x1b-\x1b[Cbbbb\n') 
-    assert result.text == 'aaabbbba' 
- 
-    # esc - 3 right 
-    result, cli = _feed_cli_with_input('aaaa\x1b-3\x1b[Cbbbb\n') 
-    assert result.text == 'abbbbaaa' 
- 
-    # esc - - - 3 right 
-    result, cli = _feed_cli_with_input('aaaa\x1b---3\x1b[Cbbbb\n') 
-    assert result.text == 'abbbbaaa' 
- 
- 
-def test_emacs_arguments_for_all_commands(): 
-    """ 
-    Test all Emacs commands with Meta-[0-9] arguments (both positive and 
-    negative). No one should crash. 
-    """ 
-    for key in ANSI_SEQUENCES: 
-        # Ignore BracketedPaste. This would hang forever, because it waits for 
-        # the end sequence. 
-        if key != '\x1b[200~': 
-            try: 
-                # Note: we add an 'X' after the key, because Ctrl-Q (quoted-insert) 
-                # expects something to follow. We add an additional \n, because 
-                # Ctrl-R and Ctrl-S (reverse-search) expect that. 
-                result, cli = _feed_cli_with_input( 
-                    'hello\x1b4' + key + 'X\n\n') 
- 
-                result, cli = _feed_cli_with_input( 
-                    'hello\x1b-' + key + 'X\n\n') 
-            except KeyboardInterrupt: 
-                # This exception should only be raised for Ctrl-C 
-                assert key == '\x03' 
- 
- 
-def test_emacs_kill_ring(): 
-    operations = ( 
-        # abc ControlA ControlK 
-        'abc\x01\x0b' 
- 
-        # def ControlA ControlK 
-        'def\x01\x0b' 
- 
-        # ghi ControlA ControlK 
-        'ghi\x01\x0b' 
- 
-        # ControlY (yank) 
-        '\x19' 
-    ) 
- 
-    result, cli = _feed_cli_with_input(operations + '\n') 
-    assert result.text == 'ghi' 
- 
-    result, cli = _feed_cli_with_input(operations + '\x1by\n') 
-    assert result.text == 'def' 
- 
-    result, cli = _feed_cli_with_input(operations + '\x1by\x1by\n') 
-    assert result.text == 'abc' 
- 
-    result, cli = _feed_cli_with_input(operations + '\x1by\x1by\x1by\n') 
-    assert result.text == 'ghi' 
- 
- 
-def test_emacs_insert_comment(): 
-    # Test insert-comment (M-#) binding. 
-    result, cli = _feed_cli_with_input('hello\x1b#', check_line_ending=False) 
-    assert result.text == '#hello' 
- 
-    result, cli = _feed_cli_with_input( 
-        'hello\nworld\x1b#', check_line_ending=False, multiline=True) 
-    assert result.text == '#hello\n#world' 
- 
- 
-def test_emacs_record_macro(): 
-    operations = ( 
-        '  ' 
-        '\x18('  # Start recording macro. C-X( 
-        'hello' 
-        '\x18)'  # Stop recording macro. 
-        '  ' 
-        '\x18e'  # Execute macro. 
-        '\x18e'  # Execute macro. 
-        '\n' 
-    ) 
- 
-    result, cli = _feed_cli_with_input(operations) 
-    assert result.text == '  hello  hellohello' 
- 
- 
-def test_prefix_meta(): 
-    # Test the prefix-meta command. 
-    def setup_keybindings(cli): 
-        from prompt_toolkit.key_binding.bindings.named_commands import prefix_meta 
-        from prompt_toolkit.filters import ViInsertMode 
-        cli.application.key_bindings_registry.add_binding('j', 'j', filter=ViInsertMode())(prefix_meta) 
- 
-    result, cli = _feed_cli_with_input( 
-        'hellojjIX\n', pre_run_callback=setup_keybindings, editing_mode=EditingMode.VI) 
-    assert result.text == 'Xhello' 
- 
- 
-def test_bracketed_paste(): 
-    result, cli = _feed_cli_with_input('\x1b[200~hello world\x1b[201~\n') 
-    assert result.text == 'hello world' 
- 
-    result, cli = _feed_cli_with_input('\x1b[200~hello\nworld\x1b[201~\x1b\n') 
-    assert result.text == 'hello\nworld' 
- 
-    # With \r\n endings. 
-    result, cli = _feed_cli_with_input('\x1b[200~hello\r\nworld\x1b[201~\x1b\n') 
-    assert result.text == 'hello\nworld' 
- 
-    # With \r endings. 
-    result, cli = _feed_cli_with_input('\x1b[200~hello\rworld\x1b[201~\x1b\n') 
-    assert result.text == 'hello\nworld' 
- 
- 
-def test_vi_cursor_movements(): 
-    """ 
-    Test cursor movements with Vi key bindings. 
-    """ 
-    feed = partial(_feed_cli_with_input, editing_mode=EditingMode.VI) 
- 
-    result, cli = feed('\x1b\n') 
-    assert result.text == '' 
-    assert cli.editing_mode == EditingMode.VI 
- 
-    # Esc h a X 
-    result, cli = feed('hello\x1bhaX\n') 
-    assert result.text == 'hellXo' 
- 
-    # Esc I X 
-    result, cli = feed('hello\x1bIX\n') 
-    assert result.text == 'Xhello' 
- 
-    # Esc I X 
-    result, cli = feed('hello\x1bIX\n') 
-    assert result.text == 'Xhello' 
- 
-    # Esc 2hiX 
-    result, cli = feed('hello\x1b2hiX\n') 
-    assert result.text == 'heXllo' 
- 
-    # Esc 2h2liX 
-    result, cli = feed('hello\x1b2h2liX\n') 
-    assert result.text == 'hellXo' 
- 
-    # Esc \b\b 
-    result, cli = feed('hello\b\b\n') 
-    assert result.text == 'hel' 
- 
-    # Esc \b\b 
-    result, cli = feed('hello\b\b\n') 
-    assert result.text == 'hel' 
- 
-    # Esc 2h D 
-    result, cli = feed('hello\x1b2hD\n') 
-    assert result.text == 'he' 
- 
-    # Esc 2h rX \n 
-    result, cli = feed('hello\x1b2hrX\n') 
-    assert result.text == 'heXlo' 
- 
- 
-def test_vi_operators(): 
-    feed = partial(_feed_cli_with_input, editing_mode=EditingMode.VI) 
- 
-    # Esc g~0 
-    result, cli = feed('hello\x1bg~0\n') 
-    assert result.text == 'HELLo' 
- 
-    # Esc gU0 
-    result, cli = feed('hello\x1bgU0\n') 
-    assert result.text == 'HELLo' 
- 
-    # Esc d0 
-    result, cli = feed('hello\x1bd0\n') 
-    assert result.text == 'o' 
- 
- 
-def test_vi_text_objects(): 
-    feed = partial(_feed_cli_with_input, editing_mode=EditingMode.VI) 
- 
-    # Esc gUgg 
-    result, cli = feed('hello\x1bgUgg\n') 
-    assert result.text == 'HELLO' 
- 
-    # Esc gUU 
-    result, cli = feed('hello\x1bgUU\n') 
-    assert result.text == 'HELLO' 
- 
-    # Esc di( 
-    result, cli = feed('before(inside)after\x1b8hdi(\n') 
-    assert result.text == 'before()after' 
- 
-    # Esc di[ 
-    result, cli = feed('before[inside]after\x1b8hdi[\n') 
-    assert result.text == 'before[]after' 
- 
-    # Esc da( 
-    result, cli = feed('before(inside)after\x1b8hda(\n') 
-    assert result.text == 'beforeafter' 
- 
- 
-def test_vi_digraphs(): 
-    feed = partial(_feed_cli_with_input, editing_mode=EditingMode.VI) 
- 
-    # C-K o/ 
-    result, cli = feed('hello\x0bo/\n') 
-    assert result.text == 'helloø' 
- 
-    # C-K /o  (reversed input.) 
-    result, cli = feed('hello\x0b/o\n') 
-    assert result.text == 'helloø' 
- 
-    # C-K e: 
-    result, cli = feed('hello\x0be:\n') 
-    assert result.text == 'helloë' 
- 
-    # C-K xxy (Unknown digraph.) 
-    result, cli = feed('hello\x0bxxy\n') 
-    assert result.text == 'helloy' 
- 
- 
-def test_vi_block_editing(): 
-    " Test Vi Control-V style block insertion. " 
-    feed = partial(_feed_cli_with_input, editing_mode=EditingMode.VI, 
-                   multiline=True) 
- 
-    operations = ( 
-        # Three lines of text. 
-        '-line1\n-line2\n-line3\n-line4\n-line5\n-line6' 
-        # Go to the second character of the second line. 
-        '\x1bkkkkkkkj0l' 
-        # Enter Visual block mode. 
-        '\x16' 
-        # Go down two more lines. 
-        'jj' 
-        # Go 3 characters to the right. 
-        'lll' 
-        # Go to insert mode. 
-        'insert'  # (Will be replaced.) 
-        # Insert stars. 
-        '***' 
-        # Escape again. 
-        '\x1b\n') 
- 
-    # Control-I 
-    result, cli = feed(operations.replace('insert', 'I')) 
- 
-    assert (result.text == 
-            '-line1\n-***line2\n-***line3\n-***line4\n-line5\n-line6') 
- 
-    # Control-A 
-    result, cli = feed(operations.replace('insert', 'A')) 
- 
-    assert (result.text == 
-            '-line1\n-line***2\n-line***3\n-line***4\n-line5\n-line6') 
- 
- 
-def test_vi_character_paste(): 
-    feed = partial(_feed_cli_with_input, editing_mode=EditingMode.VI) 
- 
-    # Test 'p' character paste. 
-    result, cli = feed('abcde\x1bhhxp\n') 
-    assert result.text == 'abdce' 
-    assert result.cursor_position == 3 
- 
-    # Test 'P' character paste. 
-    result, cli = feed('abcde\x1bhhxP\n') 
-    assert result.text == 'abcde' 
-    assert result.cursor_position == 2 
+# encoding: utf-8
+"""
+These are almost end-to-end tests. They create a CommandLineInterface
+instance, feed it with some input and check the result.
+"""
+from __future__ import unicode_literals
+from prompt_toolkit.application import Application
+from prompt_toolkit.buffer import Buffer, AcceptAction
+from prompt_toolkit.clipboard import InMemoryClipboard, ClipboardData
+from prompt_toolkit.enums import DEFAULT_BUFFER, EditingMode
+from prompt_toolkit.eventloop.posix import PosixEventLoop
+from prompt_toolkit.history import InMemoryHistory
+from prompt_toolkit.input import PipeInput
+from prompt_toolkit.interface import CommandLineInterface
+from prompt_toolkit.key_binding.manager import KeyBindingManager
+from prompt_toolkit.output import DummyOutput
+from prompt_toolkit.terminal.vt100_input import ANSI_SEQUENCES
+from functools import partial
+import pytest
+
+
+def _history():
+    h = InMemoryHistory()
+    h.append('line1 first input')
+    h.append('line2 second input')
+    h.append('line3 third input')
+    return h
+
+
+def _feed_cli_with_input(text, editing_mode=EditingMode.EMACS, clipboard=None,
+                         history=None, multiline=False, check_line_ending=True,
+                         pre_run_callback=None):
+    """
+    Create a CommandLineInterface, feed it with the given user input and return
+    the CLI object.
+
+    This returns a (result, CLI) tuple.
+    """
+    # If the given text doesn't end with a newline, the interface won't finish.
+    if check_line_ending:
+        assert text.endswith('\n')
+
+    loop = PosixEventLoop()
+    try:
+        inp = PipeInput()
+        inp.send_text(text)
+        cli = CommandLineInterface(
+            application=Application(
+                buffer=Buffer(accept_action=AcceptAction.RETURN_DOCUMENT,
+                              history=history, is_multiline=multiline),
+                editing_mode=editing_mode,
+                clipboard=clipboard or InMemoryClipboard(),
+                key_bindings_registry=KeyBindingManager.for_prompt().registry,
+            ),
+            eventloop=loop,
+            input=inp,
+            output=DummyOutput())
+
+        if pre_run_callback:
+            pre_run_callback(cli)
+
+        result = cli.run()
+        return result, cli
+    finally:
+        loop.close()
+        inp.close()
+
+
+def test_simple_text_input():
+    # Simple text input, followed by enter.
+    result, cli = _feed_cli_with_input('hello\n')
+    assert result.text == 'hello'
+    assert cli.buffers[DEFAULT_BUFFER].text == 'hello'
+
+
+def test_emacs_cursor_movements():
+    """
+    Test cursor movements with Emacs key bindings.
+    """
+    # ControlA (beginning-of-line)
+    result, cli = _feed_cli_with_input('hello\x01X\n')
+    assert result.text == 'Xhello'
+
+    # ControlE (end-of-line)
+    result, cli = _feed_cli_with_input('hello\x01X\x05Y\n')
+    assert result.text == 'XhelloY'
+
+    # ControlH or \b
+    result, cli = _feed_cli_with_input('hello\x08X\n')
+    assert result.text == 'hellX'
+
+    # Delete.  (Left, left, delete)
+    result, cli = _feed_cli_with_input('hello\x1b[D\x1b[D\x1b[3~\n')
+    assert result.text == 'helo'
+
+    # Left.
+    result, cli = _feed_cli_with_input('hello\x1b[DX\n')
+    assert result.text == 'hellXo'
+
+    # ControlA, right
+    result, cli = _feed_cli_with_input('hello\x01\x1b[CX\n')
+    assert result.text == 'hXello'
+
+    # ControlA, right
+    result, cli = _feed_cli_with_input('hello\x01\x1b[CX\n')
+    assert result.text == 'hXello'
+
+    # ControlB (backward-char)
+    result, cli = _feed_cli_with_input('hello\x02X\n')
+    assert result.text == 'hellXo'
+
+    # ControlF (forward-char)
+    result, cli = _feed_cli_with_input('hello\x01\x06X\n')
+    assert result.text == 'hXello'
+
+    # ControlC: raise KeyboardInterrupt.
+    with pytest.raises(KeyboardInterrupt):
+        result, cli = _feed_cli_with_input('hello\x03\n')
+        assert result.text == 'hello'
+
+    # ControlD without any input: raises EOFError.
+    with pytest.raises(EOFError):
+        result, cli = _feed_cli_with_input('\x04\n')
+        assert result.text == 'hello'
+
+    # ControlD: delete after cursor.
+    result, cli = _feed_cli_with_input('hello\x01\x04\n')
+    assert result.text == 'ello'
+
+    # ControlD at the end of the input ssshould not do anything.
+    result, cli = _feed_cli_with_input('hello\x04\n')
+    assert result.text == 'hello'
+
+    # Left, Left, ControlK  (kill-line)
+    result, cli = _feed_cli_with_input('hello\x1b[D\x1b[D\x0b\n')
+    assert result.text == 'hel'
+
+    # Left, Left Esc- ControlK (kill-line, but negative)
+    result, cli = _feed_cli_with_input('hello\x1b[D\x1b[D\x1b-\x0b\n')
+    assert result.text == 'lo'
+
+    # ControlL: should not influence the result.
+    result, cli = _feed_cli_with_input('hello\x0c\n')
+    assert result.text == 'hello'
+
+    # ControlRight (forward-word)
+    result, cli = _feed_cli_with_input('hello world\x01X\x1b[1;5CY\n')
+    assert result.text == 'XhelloY world'
+
+    # ContrlolLeft (backward-word)
+    result, cli = _feed_cli_with_input('hello world\x1b[1;5DY\n')
+    assert result.text == 'hello Yworld'
+
+    # <esc>-f with argument. (forward-word)
+    result, cli = _feed_cli_with_input('hello world abc def\x01\x1b3\x1bfX\n')
+    assert result.text == 'hello world abcX def'
+
+    # <esc>-f with negative argument. (forward-word)
+    result, cli = _feed_cli_with_input('hello world abc def\x1b-\x1b3\x1bfX\n')
+    assert result.text == 'hello Xworld abc def'
+
+    # <esc>-b with argument. (backward-word)
+    result, cli = _feed_cli_with_input('hello world abc def\x1b3\x1bbX\n')
+    assert result.text == 'hello Xworld abc def'
+
+    # <esc>-b with negative argument. (backward-word)
+    result, cli = _feed_cli_with_input('hello world abc def\x01\x1b-\x1b3\x1bbX\n')
+    assert result.text == 'hello world abc Xdef'
+
+    # ControlW (kill-word / unix-word-rubout)
+    result, cli = _feed_cli_with_input('hello world\x17\n')
+    assert result.text == 'hello '
+    assert cli.clipboard.get_data().text == 'world'
+
+    result, cli = _feed_cli_with_input('test hello world\x1b2\x17\n')
+    assert result.text == 'test '
+
+    # Escape Backspace (unix-word-rubout)
+    result, cli = _feed_cli_with_input('hello world\x1b\x7f\n')
+    assert result.text == 'hello '
+    assert cli.clipboard.get_data().text == 'world'
+
+    result, cli = _feed_cli_with_input('hello world\x1b\x08\n')
+    assert result.text == 'hello '
+    assert cli.clipboard.get_data().text == 'world'
+
+    # Backspace (backward-delete-char)
+    result, cli = _feed_cli_with_input('hello world\x7f\n')
+    assert result.text == 'hello worl'
+    assert result.cursor_position == len('hello worl')
+
+    result, cli = _feed_cli_with_input('hello world\x08\n')
+    assert result.text == 'hello worl'
+    assert result.cursor_position == len('hello worl')
+
+    # Delete (delete-char)
+    result, cli = _feed_cli_with_input('hello world\x01\x1b[3~\n')
+    assert result.text == 'ello world'
+    assert result.cursor_position == 0
+
+    # Escape-\\ (delete-horizontal-space)
+    result, cli = _feed_cli_with_input('hello     world\x1b8\x02\x1b\\\n')
+    assert result.text == 'helloworld'
+    assert result.cursor_position == len('hello')
+
+
+def test_emacs_yank():
+    # ControlY (yank)
+    c = InMemoryClipboard(ClipboardData('XYZ'))
+    result, cli = _feed_cli_with_input('hello\x02\x19\n', clipboard=c)
+    assert result.text == 'hellXYZo'
+    assert result.cursor_position == len('hellXYZ')
+
+
+def test_quoted_insert():
+    # ControlQ - ControlB (quoted-insert)
+    result, cli = _feed_cli_with_input('hello\x11\x02\n')
+    assert result.text == 'hello\x02'
+
+
+def test_transformations():
+    # Meta-c (capitalize-word)
+    result, cli = _feed_cli_with_input('hello world\01\x1bc\n')
+    assert result.text == 'Hello world'
+    assert result.cursor_position == len('Hello')
+
+    # Meta-u (uppercase-word)
+    result, cli = _feed_cli_with_input('hello world\01\x1bu\n')
+    assert result.text == 'HELLO world'
+    assert result.cursor_position == len('Hello')
+
+    # Meta-u (downcase-word)
+    result, cli = _feed_cli_with_input('HELLO WORLD\01\x1bl\n')
+    assert result.text == 'hello WORLD'
+    assert result.cursor_position == len('Hello')
+
+    # ControlT (transpose-chars)
+    result, cli = _feed_cli_with_input('hello\x14\n')
+    assert result.text == 'helol'
+    assert result.cursor_position == len('hello')
+
+    # Left, Left, Control-T (transpose-chars)
+    result, cli = _feed_cli_with_input('abcde\x1b[D\x1b[D\x14\n')
+    assert result.text == 'abdce'
+    assert result.cursor_position == len('abcd')
+
+
+def test_emacs_other_bindings():
+    # Transpose characters.
+    result, cli = _feed_cli_with_input('abcde\x14X\n')  # Ctrl-T
+    assert result.text == 'abcedX'
+
+    # Left, Left, Transpose. (This is slightly different.)
+    result, cli = _feed_cli_with_input('abcde\x1b[D\x1b[D\x14X\n')
+    assert result.text == 'abdcXe'
+
+    # Clear before cursor.
+    result, cli = _feed_cli_with_input('hello\x1b[D\x1b[D\x15X\n')
+    assert result.text == 'Xlo'
+
+    # unix-word-rubout: delete word before the cursor.
+    # (ControlW).
+    result, cli = _feed_cli_with_input('hello world test\x17X\n')
+    assert result.text == 'hello world X'
+
+    result, cli = _feed_cli_with_input('hello world /some/very/long/path\x17X\n')
+    assert result.text == 'hello world X'
+
+    # (with argument.)
+    result, cli = _feed_cli_with_input('hello world test\x1b2\x17X\n')
+    assert result.text == 'hello X'
+
+    result, cli = _feed_cli_with_input('hello world /some/very/long/path\x1b2\x17X\n')
+    assert result.text == 'hello X'
+
+    # backward-kill-word: delete word before the cursor.
+    # (Esc-ControlH).
+    result, cli = _feed_cli_with_input('hello world /some/very/long/path\x1b\x08X\n')
+    assert result.text == 'hello world /some/very/long/X'
+
+    # (with arguments.)
+    result, cli = _feed_cli_with_input('hello world /some/very/long/path\x1b3\x1b\x08X\n')
+    assert result.text == 'hello world /some/very/X'
+
+
+def test_controlx_controlx():
+    # At the end: go to the start of the line.
+    result, cli = _feed_cli_with_input('hello world\x18\x18X\n')
+    assert result.text == 'Xhello world'
+    assert result.cursor_position == 1
+
+    # At the start: go to the end of the line.
+    result, cli = _feed_cli_with_input('hello world\x01\x18\x18X\n')
+    assert result.text == 'hello worldX'
+
+    # Left, Left Control-X Control-X: go to the end of the line.
+    result, cli = _feed_cli_with_input('hello world\x1b[D\x1b[D\x18\x18X\n')
+    assert result.text == 'hello worldX'
+
+
+def test_emacs_history_bindings():
+    # Adding a new item to the history.
+    history = _history()
+    result, cli = _feed_cli_with_input('new input\n', history=history)
+    assert result.text == 'new input'
+    history.strings[-1] == 'new input'
+
+    # Go up in history, and accept the last item.
+    result, cli = _feed_cli_with_input('hello\x1b[A\n', history=history)
+    assert result.text == 'new input'
+
+    # Esc< (beginning-of-history)
+    result, cli = _feed_cli_with_input('hello\x1b<\n', history=history)
+    assert result.text == 'line1 first input'
+
+    # Esc> (end-of-history)
+    result, cli = _feed_cli_with_input('another item\x1b[A\x1b[a\x1b>\n', history=history)
+    assert result.text == 'another item'
+
+    # ControlUp (previous-history)
+    result, cli = _feed_cli_with_input('\x1b[1;5A\n', history=history)
+    assert result.text == 'another item'
+
+    # Esc< ControlDown (beginning-of-history, next-history)
+    result, cli = _feed_cli_with_input('\x1b<\x1b[1;5B\n', history=history)
+    assert result.text == 'line2 second input'
+
+
+def test_emacs_reverse_search():
+    history = _history()
+
+    # ControlR  (reverse-search-history)
+    result, cli = _feed_cli_with_input('\x12input\n\n', history=history)
+    assert result.text == 'line3 third input'
+
+    # Hitting ControlR twice.
+    result, cli = _feed_cli_with_input('\x12input\x12\n\n', history=history)
+    assert result.text == 'line2 second input'
+
+
+def test_emacs_arguments():
+    """
+    Test various combinations of arguments in Emacs mode.
+    """
+    # esc 4
+    result, cli = _feed_cli_with_input('\x1b4x\n')
+    assert result.text == 'xxxx'
+
+    # esc 4 4
+    result, cli = _feed_cli_with_input('\x1b44x\n')
+    assert result.text == 'x' * 44
+
+    # esc 4 esc 4
+    result, cli = _feed_cli_with_input('\x1b4\x1b4x\n')
+    assert result.text == 'x' * 44
+
+    # esc - right (-1 position to the right, equals 1 to the left.)
+    result, cli = _feed_cli_with_input('aaaa\x1b-\x1b[Cbbbb\n')
+    assert result.text == 'aaabbbba'
+
+    # esc - 3 right
+    result, cli = _feed_cli_with_input('aaaa\x1b-3\x1b[Cbbbb\n')
+    assert result.text == 'abbbbaaa'
+
+    # esc - - - 3 right
+    result, cli = _feed_cli_with_input('aaaa\x1b---3\x1b[Cbbbb\n')
+    assert result.text == 'abbbbaaa'
+
+
+def test_emacs_arguments_for_all_commands():
+    """
+    Test all Emacs commands with Meta-[0-9] arguments (both positive and
+    negative). No one should crash.
+    """
+    for key in ANSI_SEQUENCES:
+        # Ignore BracketedPaste. This would hang forever, because it waits for
+        # the end sequence.
+        if key != '\x1b[200~':
+            try:
+                # Note: we add an 'X' after the key, because Ctrl-Q (quoted-insert)
+                # expects something to follow. We add an additional \n, because
+                # Ctrl-R and Ctrl-S (reverse-search) expect that.
+                result, cli = _feed_cli_with_input(
+                    'hello\x1b4' + key + 'X\n\n')
+
+                result, cli = _feed_cli_with_input(
+                    'hello\x1b-' + key + 'X\n\n')
+            except KeyboardInterrupt:
+                # This exception should only be raised for Ctrl-C
+                assert key == '\x03'
+
+
+def test_emacs_kill_ring():
+    operations = (
+        # abc ControlA ControlK
+        'abc\x01\x0b'
+
+        # def ControlA ControlK
+        'def\x01\x0b'
+
+        # ghi ControlA ControlK
+        'ghi\x01\x0b'
+
+        # ControlY (yank)
+        '\x19'
+    )
+
+    result, cli = _feed_cli_with_input(operations + '\n')
+    assert result.text == 'ghi'
+
+    result, cli = _feed_cli_with_input(operations + '\x1by\n')
+    assert result.text == 'def'
+
+    result, cli = _feed_cli_with_input(operations + '\x1by\x1by\n')
+    assert result.text == 'abc'
+
+    result, cli = _feed_cli_with_input(operations + '\x1by\x1by\x1by\n')
+    assert result.text == 'ghi'
+
+
+def test_emacs_insert_comment():
+    # Test insert-comment (M-#) binding.
+    result, cli = _feed_cli_with_input('hello\x1b#', check_line_ending=False)
+    assert result.text == '#hello'
+
+    result, cli = _feed_cli_with_input(
+        'hello\nworld\x1b#', check_line_ending=False, multiline=True)
+    assert result.text == '#hello\n#world'
+
+
+def test_emacs_record_macro():
+    operations = (
+        '  '
+        '\x18('  # Start recording macro. C-X(
+        'hello'
+        '\x18)'  # Stop recording macro.
+        '  '
+        '\x18e'  # Execute macro.
+        '\x18e'  # Execute macro.
+        '\n'
+    )
+
+    result, cli = _feed_cli_with_input(operations)
+    assert result.text == '  hello  hellohello'
+
+
+def test_prefix_meta():
+    # Test the prefix-meta command.
+    def setup_keybindings(cli):
+        from prompt_toolkit.key_binding.bindings.named_commands import prefix_meta
+        from prompt_toolkit.filters import ViInsertMode
+        cli.application.key_bindings_registry.add_binding('j', 'j', filter=ViInsertMode())(prefix_meta)
+
+    result, cli = _feed_cli_with_input(
+        'hellojjIX\n', pre_run_callback=setup_keybindings, editing_mode=EditingMode.VI)
+    assert result.text == 'Xhello'
+
+
+def test_bracketed_paste():
+    result, cli = _feed_cli_with_input('\x1b[200~hello world\x1b[201~\n')
+    assert result.text == 'hello world'
+
+    result, cli = _feed_cli_with_input('\x1b[200~hello\nworld\x1b[201~\x1b\n')
+    assert result.text == 'hello\nworld'
+
+    # With \r\n endings.
+    result, cli = _feed_cli_with_input('\x1b[200~hello\r\nworld\x1b[201~\x1b\n')
+    assert result.text == 'hello\nworld'
+
+    # With \r endings.
+    result, cli = _feed_cli_with_input('\x1b[200~hello\rworld\x1b[201~\x1b\n')
+    assert result.text == 'hello\nworld'
+
+
+def test_vi_cursor_movements():
+    """
+    Test cursor movements with Vi key bindings.
+    """
+    feed = partial(_feed_cli_with_input, editing_mode=EditingMode.VI)
+
+    result, cli = feed('\x1b\n')
+    assert result.text == ''
+    assert cli.editing_mode == EditingMode.VI
+
+    # Esc h a X
+    result, cli = feed('hello\x1bhaX\n')
+    assert result.text == 'hellXo'
+
+    # Esc I X
+    result, cli = feed('hello\x1bIX\n')
+    assert result.text == 'Xhello'
+
+    # Esc I X
+    result, cli = feed('hello\x1bIX\n')
+    assert result.text == 'Xhello'
+
+    # Esc 2hiX
+    result, cli = feed('hello\x1b2hiX\n')
+    assert result.text == 'heXllo'
+
+    # Esc 2h2liX
+    result, cli = feed('hello\x1b2h2liX\n')
+    assert result.text == 'hellXo'
+
+    # Esc \b\b
+    result, cli = feed('hello\b\b\n')
+    assert result.text == 'hel'
+
+    # Esc \b\b
+    result, cli = feed('hello\b\b\n')
+    assert result.text == 'hel'
+
+    # Esc 2h D
+    result, cli = feed('hello\x1b2hD\n')
+    assert result.text == 'he'
+
+    # Esc 2h rX \n
+    result, cli = feed('hello\x1b2hrX\n')
+    assert result.text == 'heXlo'
+
+
+def test_vi_operators():
+    feed = partial(_feed_cli_with_input, editing_mode=EditingMode.VI)
+
+    # Esc g~0
+    result, cli = feed('hello\x1bg~0\n')
+    assert result.text == 'HELLo'
+
+    # Esc gU0
+    result, cli = feed('hello\x1bgU0\n')
+    assert result.text == 'HELLo'
+
+    # Esc d0
+    result, cli = feed('hello\x1bd0\n')
+    assert result.text == 'o'
+
+
+def test_vi_text_objects():
+    feed = partial(_feed_cli_with_input, editing_mode=EditingMode.VI)
+
+    # Esc gUgg
+    result, cli = feed('hello\x1bgUgg\n')
+    assert result.text == 'HELLO'
+
+    # Esc gUU
+    result, cli = feed('hello\x1bgUU\n')
+    assert result.text == 'HELLO'
+
+    # Esc di(
+    result, cli = feed('before(inside)after\x1b8hdi(\n')
+    assert result.text == 'before()after'
+
+    # Esc di[
+    result, cli = feed('before[inside]after\x1b8hdi[\n')
+    assert result.text == 'before[]after'
+
+    # Esc da(
+    result, cli = feed('before(inside)after\x1b8hda(\n')
+    assert result.text == 'beforeafter'
+
+
+def test_vi_digraphs():
+    feed = partial(_feed_cli_with_input, editing_mode=EditingMode.VI)
+
+    # C-K o/
+    result, cli = feed('hello\x0bo/\n')
+    assert result.text == 'helloø'
+
+    # C-K /o  (reversed input.)
+    result, cli = feed('hello\x0b/o\n')
+    assert result.text == 'helloø'
+
+    # C-K e:
+    result, cli = feed('hello\x0be:\n')
+    assert result.text == 'helloë'
+
+    # C-K xxy (Unknown digraph.)
+    result, cli = feed('hello\x0bxxy\n')
+    assert result.text == 'helloy'
+
+
+def test_vi_block_editing():
+    " Test Vi Control-V style block insertion. "
+    feed = partial(_feed_cli_with_input, editing_mode=EditingMode.VI,
+                   multiline=True)
+
+    operations = (
+        # Three lines of text.
+        '-line1\n-line2\n-line3\n-line4\n-line5\n-line6'
+        # Go to the second character of the second line.
+        '\x1bkkkkkkkj0l'
+        # Enter Visual block mode.
+        '\x16'
+        # Go down two more lines.
+        'jj'
+        # Go 3 characters to the right.
+        'lll'
+        # Go to insert mode.
+        'insert'  # (Will be replaced.)
+        # Insert stars.
+        '***'
+        # Escape again.
+        '\x1b\n')
+
+    # Control-I
+    result, cli = feed(operations.replace('insert', 'I'))
+
+    assert (result.text ==
+            '-line1\n-***line2\n-***line3\n-***line4\n-line5\n-line6')
+
+    # Control-A
+    result, cli = feed(operations.replace('insert', 'A'))
+
+    assert (result.text ==
+            '-line1\n-line***2\n-line***3\n-line***4\n-line5\n-line6')
+
+
+def test_vi_character_paste():
+    feed = partial(_feed_cli_with_input, editing_mode=EditingMode.VI)
+
+    # Test 'p' character paste.
+    result, cli = feed('abcde\x1bhhxp\n')
+    assert result.text == 'abdce'
+    assert result.cursor_position == 3
+
+    # Test 'P' character paste.
+    result, cli = feed('abcde\x1bhhxP\n')
+    assert result.text == 'abcde'
+    assert result.cursor_position == 2