128 lines
3.1 KiB
Python
128 lines
3.1 KiB
Python
from testing.runner import and_exit
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from testing.runner import run
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def test_nothing_to_undo_redo():
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with run() as h, and_exit(h):
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h.press('M-u')
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h.await_text('nothing to undo!')
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h.press('M-U')
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h.await_text('nothing to redo!')
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def test_undo_redo():
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with run() as h, and_exit(h):
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h.press('hello')
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h.await_text('hello')
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h.press('M-u')
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h.await_text('undo: text')
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h.await_text_missing('hello')
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h.await_text_missing(' *')
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h.press('M-U')
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h.await_text('redo: text')
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h.await_text('hello')
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h.await_text(' *')
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def test_undo_redo_movement_interrupts_actions():
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with run() as h, and_exit(h):
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h.press('hello')
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h.press('Left')
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h.press('Right')
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h.press('world')
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h.press('M-u')
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h.await_text('undo: text')
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h.await_text('hello')
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def test_undo_redo_action_interrupts_actions():
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with run() as h, and_exit(h):
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h.press('hello')
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h.await_text('hello')
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h.press('Bspace')
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h.await_text_missing('hello')
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h.press('M-u')
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h.await_text('hello')
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h.press('world')
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h.await_text('helloworld')
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h.press('M-u')
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h.await_text_missing('world')
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h.await_text('hello')
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def test_undo_redo_mixed_newlines(tmpdir):
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f = tmpdir.join('f')
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f.write_binary(b'foo\nbar\r\n')
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with run(str(f)) as h, and_exit(h):
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h.press('hello')
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h.press('M-u')
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h.await_text('undo: text')
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h.await_text(' *')
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def test_undo_redo_with_save(tmpdir):
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f = tmpdir.join('f').ensure()
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with run(str(f)) as h, and_exit(h):
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h.press('hello')
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h.press('^S')
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h.await_text_missing(' *')
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h.press('M-u')
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h.await_text(' *')
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h.press('M-U')
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h.await_text_missing(' *')
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h.press('M-u')
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h.await_text(' *')
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h.press('^S')
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h.await_text_missing(' *')
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h.press('M-U')
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h.await_text(' *')
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def test_undo_redo_implicit_linebreak(tmpdir):
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f = tmpdir.join('f')
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with run(str(f)) as h, and_exit(h):
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h.press('hello')
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h.press('M-u')
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h.press('^S')
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h.await_text('saved!')
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assert f.read() == ''
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h.press('M-U')
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h.press('^S')
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h.await_text('saved!')
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assert f.read() == 'hello\n'
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def test_redo_cleared_after_action(tmpdir):
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with run() as h, and_exit(h):
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h.press('hello')
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h.press('M-u')
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h.press('world')
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h.press('M-U')
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h.await_text('nothing to redo!')
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def test_undo_no_action_when_noop():
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with run() as h, and_exit(h):
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h.press('hello')
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h.press('Enter')
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h.press('world')
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h.press('Down')
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h.press('^K')
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h.press('M-u')
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h.await_text('undo: text')
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h.await_cursor_position(x=0, y=2)
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def test_undo_redo_causes_scroll():
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with run(height=8) as h, and_exit(h):
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for i in range(10):
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h.press('Enter')
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h.await_cursor_position(x=0, y=3)
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h.press('M-u')
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h.await_cursor_position(x=0, y=1)
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h.press('M-U')
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h.await_cursor_position(x=0, y=4)
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