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113 lines
2.6 KiB
Python
113 lines
2.6 KiB
Python
from __future__ import unicode_literals
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import pytest
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from prompt_toolkit.buffer import Buffer
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@pytest.fixture
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def _buffer():
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buff = Buffer()
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return buff
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def test_initial(_buffer):
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assert _buffer.text == ''
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assert _buffer.cursor_position == 0
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def test_insert_text(_buffer):
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_buffer.insert_text('some_text')
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assert _buffer.text == 'some_text'
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assert _buffer.cursor_position == len('some_text')
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def test_cursor_movement(_buffer):
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_buffer.insert_text('some_text')
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_buffer.cursor_left()
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_buffer.cursor_left()
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_buffer.cursor_left()
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_buffer.cursor_right()
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_buffer.insert_text('A')
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assert _buffer.text == 'some_teAxt'
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assert _buffer.cursor_position == len('some_teA')
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def test_backspace(_buffer):
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_buffer.insert_text('some_text')
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_buffer.cursor_left()
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_buffer.cursor_left()
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_buffer.delete_before_cursor()
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assert _buffer.text == 'some_txt'
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assert _buffer.cursor_position == len('some_t')
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def test_cursor_up(_buffer):
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# Cursor up to a line thats longer.
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_buffer.insert_text('long line1\nline2')
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_buffer.cursor_up()
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assert _buffer.document.cursor_position == 5
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# Going up when already at the top.
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_buffer.cursor_up()
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assert _buffer.document.cursor_position == 5
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# Going up to a line that's shorter.
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_buffer.reset()
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_buffer.insert_text('line1\nlong line2')
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_buffer.cursor_up()
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assert _buffer.document.cursor_position == 5
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def test_cursor_down(_buffer):
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_buffer.insert_text('line1\nline2')
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_buffer.cursor_position = 3
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# Normally going down
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_buffer.cursor_down()
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assert _buffer.document.cursor_position == len('line1\nlin')
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# Going down to a line that's shorter.
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_buffer.reset()
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_buffer.insert_text('long line1\na\nb')
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_buffer.cursor_position = 3
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_buffer.cursor_down()
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assert _buffer.document.cursor_position == len('long line1\na')
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def test_join_next_line(_buffer):
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_buffer.insert_text('line1\nline2\nline3')
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_buffer.cursor_up()
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_buffer.join_next_line()
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assert _buffer.text == 'line1\nline2 line3'
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# Test when there is no '\n' in the text
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_buffer.reset()
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_buffer.insert_text('line1')
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_buffer.cursor_position = 0
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_buffer.join_next_line()
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assert _buffer.text == 'line1'
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def test_newline(_buffer):
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_buffer.insert_text('hello world')
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_buffer.newline()
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assert _buffer.text == 'hello world\n'
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def test_swap_characters_before_cursor(_buffer):
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_buffer.insert_text('hello world')
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_buffer.cursor_left()
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_buffer.cursor_left()
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_buffer.swap_characters_before_cursor()
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assert _buffer.text == 'hello wrold'
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