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from __future__ import unicode_literals
from prompt_toolkit.terminal.vt100_input import InputStream
from prompt_toolkit.keys import Keys
import pytest
class _ProcessorMock(object):
def __init__(self):
self.keys = []
def feed_key(self, key_press):
self.keys.append(key_press)
@pytest.fixture
def processor():
return _ProcessorMock()
@pytest.fixture
def stream(processor):
return InputStream(processor.feed_key)
def test_control_keys(processor, stream):
stream.feed('\x01\x02\x10')
assert len(processor.keys) == 3
assert processor.keys[0].key == Keys.ControlA
assert processor.keys[1].key == Keys.ControlB
assert processor.keys[2].key == Keys.ControlP
assert processor.keys[0].data == '\x01'
assert processor.keys[1].data == '\x02'
assert processor.keys[2].data == '\x10'
def test_arrows(processor, stream):
stream.feed('\x1b[A\x1b[B\x1b[C\x1b[D')
assert len(processor.keys) == 4
assert processor.keys[0].key == Keys.Up
assert processor.keys[1].key == Keys.Down
assert processor.keys[2].key == Keys.Right
assert processor.keys[3].key == Keys.Left
assert processor.keys[0].data == '\x1b[A'
assert processor.keys[1].data == '\x1b[B'
assert processor.keys[2].data == '\x1b[C'
assert processor.keys[3].data == '\x1b[D'
def test_escape(processor, stream):
stream.feed('\x1bhello')
assert len(processor.keys) == 1 + len('hello')
assert processor.keys[0].key == Keys.Escape
assert processor.keys[1].key == 'h'
assert processor.keys[0].data == '\x1b'
assert processor.keys[1].data == 'h'
def test_special_double_keys(processor, stream):
stream.feed('\x1b[1;3D') # Should both send escape and left.
assert len(processor.keys) == 2
assert processor.keys[0].key == Keys.Escape
assert processor.keys[1].key == Keys.Left
assert processor.keys[0].data == '\x1b[1;3D'
assert processor.keys[1].data == '\x1b[1;3D'
def test_flush_1(processor, stream):
# Send left key in two parts without flush.
stream.feed('\x1b')
stream.feed('[D')
assert len(processor.keys) == 1
assert processor.keys[0].key == Keys.Left
assert processor.keys[0].data == '\x1b[D'
def test_flush_2(processor, stream):
# Send left key with a 'Flush' in between.
# The flush should make sure that we process evenything before as-is,
# with makes the first part just an escape character instead.
stream.feed('\x1b')
stream.flush()
stream.feed('[D')
assert len(processor.keys) == 3
assert processor.keys[0].key == Keys.Escape
assert processor.keys[1].key == '['
assert processor.keys[2].key == 'D'
assert processor.keys[0].data == '\x1b'
assert processor.keys[1].data == '['
assert processor.keys[2].data == 'D'
def test_meta_arrows(processor, stream):
stream.feed('\x1b\x1b[D')
assert len(processor.keys) == 2
assert processor.keys[0].key == Keys.Escape
assert processor.keys[1].key == Keys.Left
def test_control_square_close(processor, stream):
stream.feed('\x1dC')
assert len(processor.keys) == 2
assert processor.keys[0].key == Keys.ControlSquareClose
assert processor.keys[1].key == 'C'
def test_invalid(processor, stream):
# Invalid sequence that has at two characters in common with other
# sequences.
stream.feed('\x1b[*')
assert len(processor.keys) == 3
assert processor.keys[0].key == Keys.Escape
assert processor.keys[1].key == '['
assert processor.keys[2].key == '*'
def test_cpr_response(processor, stream):
stream.feed('a\x1b[40;10Rb')
assert len(processor.keys) == 3
assert processor.keys[0].key == 'a'
assert processor.keys[1].key == Keys.CPRResponse
assert processor.keys[2].key == 'b'
def test_cpr_response_2(processor, stream):
# Make sure that the newline is not included in the CPR response.
stream.feed('\x1b[40;1R\n')
assert len(processor.keys) == 2
assert processor.keys[0].key == Keys.CPRResponse
assert processor.keys[1].key == Keys.ControlJ
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