def test_scroll_down(self):
with tmux.TmuxPane(40, 8) as t:
tmux.send_command(t, 'true')
tmux.send_command(t, 'true')
tmux.send_command(t, 'true')
tmux.send_command(t, 'true')
tmux.send_command(t, 'true')
tmux.send_command(t, 'python rewrite.py', prompt=u'>')
self.assertEqual(tmux.visible(t),
(['$true']*5 +
['$python rewrite.py',
'>']))
self.assertEqual(tmux.cursor_pos(t), (6, 1))
save()
tmux.send_command(t, 'hello!', prompt=u'>')
save()
tmux.send_command(t, 'hi again!', prompt=u'>')
save()
self.assertEqual(tmux.visible(t),
['$true']*4 + ['$python rewrite.py',
'>hello!',
'>hi again!',
'>'])
restore(t)
self.assertEqual(tmux.visible_after_prompt(t, '>'),
['$true']*4 + ['$python rewrite.py',
'>hello!',
'>'])
self.assertEqual(tmux.cursor_pos(t), (6, 1))
def test_simple_save_and_restore(self):
with tmux.TmuxPane(40, 10) as t:
tmux.send_command(t, 'python rewrite.py', prompt=u'>')
self.assertEqual(tmux.visible(t), ['$python rewrite.py', '>'])
self.assertEqual(tmux.cursor_pos(t), (1, 1))
save()
tmux.send_command(t, 'hello!', prompt=u'>')
self.assertEqual(tmux.visible(t),
['$python rewrite.py', '>hello!', '>'])
restore(t)
self.assertEqual(tmux.visible_after_prompt(t, '>'),
['$python rewrite.py', '>'])
self.assertEqual(tmux.cursor_pos(t), (1, 1))
def test_resize(self):
"""lines and cursor pos wrap, reported by line
The front of the current line retains its position!"""
with tmux.TmuxPane(10, 10) as t:
self.assertEqual(tmux.cursor_pos(t), (0, 1))
tmux.send_command(t, 'true 123456789')
self.assertEqual(tmux.visible(t),
['$true 1234', '56789', '$'])
self.assertEqual(tmux.cursor_pos(t), (2, 1))
t.set_width(5)
self.assertEqual(tmux.cursor_pos(t), (2, 1))
self.assertEqual(tmux.visible_after_prompt(t),
[' 1234', '56789', '$'])
tmux.stepwise_resize_width(t, 20)
tmux.stepwise_resize_height(t, 20)
def test_scroll_off(self):
"""Scroll down causing recorded output to scroll off the top."""
with tmux.TmuxPane(40, 3) as t:
tmux.send_command(t, 'python rewrite.py', prompt=u'>')
save()
self.assertEqual(tmux.visible(t), ['$python rewrite.py', '>'])
self.assertEqual(tmux.cursor_pos(t), (1, 1))
tmux.send_command(t, 'hello!', prompt=u'>')
save()
tmux.send_command(t, 'hi again!', prompt=u'>')
save()
self.assertEqual(tmux.visible(t),
['>hello!', '>hi again!', '>'])
restore(t)
self.assertEqual(tmux.visible_after_prompt(t, '>'),
['>hello!', '>'])
self.assertEqual(tmux.cursor_pos(t), (1, 1))
def test_rewind_to_scrolled_off_prompt(self):
"""Recreating history in visible area because undo goes offscreen
For this we need to track history, do math to place
this history in the visible window, and track scrolling
or cursor position to know that we've run out of space.
I think we don't need an emulator yet - just cursor querying should do.
"""
with tmux.TmuxPane(60, 3) as t:
tmux.send_command(t, 'python rewrite.py', prompt=u'>')
save()
self.assertEqual(tmux.visible(t), ['$python rewrite.py', '>'])
self.assertEqual(tmux.cursor_pos(t), (1, 1))
tmux.send_command(t, 'hi there!', prompt=u'>')
save()
tmux.send_command(t, 'hello!', prompt=u'>')
tmux.send_command(t, 'hi again!', prompt=u'>')
tmux.send_command(t, 'hey!', prompt=u'>')
save()
self.assertEqual(tmux.scrollback(t),
['$python rewrite.py',
'>hi there!',
'>hello!'])
self.assertEqual(tmux.visible(t),
['>hi again!',
'>hey!',
'>'])
restore(t)
self.assertEqual(tmux.scrollback(t),
['$python rewrite.py',
'>hi there!',
'>hello!',
'#<---History contiguity broken by rewind--->'])
self.assertEqual(tmux.visible_after_prompt(t, '>'),
['>hi there!',
'>'])
self.assertEqual(tmux.cursor_pos(t), (1, 1))
def test_running_rewrite(self):
with tmux.TmuxPane(40, 10) as t:
t.send_keys('python rewrite.py')
self.assertEqual(tmux.visible_after_prompt(t, '>'),
['$ python rewrite.py', '>'])