bpython/bpython/test/test_curtsies_painting.py at master · mmorello1/bpython · GitHub

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# coding: utf8

from __future__ import unicode_literals

import sys

import os

from contextlib import contextmanager

from curtsies.formatstringarray import FormatStringTest, fsarray

from curtsies.fmtfuncs import cyan, bold, green, yellow, on_magenta, red

from bpython.curtsiesfrontend.events import RefreshRequestEvent

from bpython.test import mock

from bpython import config, inspection

from bpython.curtsiesfrontend.repl import Repl

from bpython.curtsiesfrontend import replpainter

from bpython.repl import History

from bpython.curtsiesfrontend.repl import INCONSISTENT_HISTORY_MSG, \

CONTIGUITY_BROKEN_MSG

from bpython.test import FixLanguageTestCase as TestCase

def setup_config():

config_struct = config.Struct()

config.loadini(config_struct, os.devnull)

return config_struct

class ClearEnviron(TestCase):

@classmethod

def setUpClass(cls):

cls.mock_environ = mock.patch.dict('os.environ', {}, clear=True)

cls.mock_environ.start()

TestCase.setUpClass()

@classmethod

def tearDownClass(cls):

cls.mock_environ.stop()

TestCase.tearDownClass()

class CurtsiesPaintingTest(FormatStringTest, ClearEnviron):

def setUp(self):

self.repl = Repl(config=setup_config())

# clear history

self.repl.rl_history = History()

self.repl.height, self.repl.width = (5, 10)

def assert_paint(self, screen, cursor_row_col):

array, cursor_pos = self.repl.paint()

self.assertFSArraysEqual(array, screen)

self.assertEqual(cursor_pos, cursor_row_col)

def assert_paint_ignoring_formatting(self, screen, cursor_row_col=None):

array, cursor_pos = self.repl.paint()

self.assertFSArraysEqualIgnoringFormatting(array, screen)

if cursor_row_col is not None:

self.assertEqual(cursor_pos, cursor_row_col)

class TestCurtsiesPaintingTest(CurtsiesPaintingTest):

def test_history_is_cleared(self):

self.assertEqual(self.repl.rl_history.entries, [''])

class TestCurtsiesPaintingSimple(CurtsiesPaintingTest):

def test_startup(self):

screen = fsarray([cyan('>>> '), cyan('Welcome to')])

self.assert_paint(screen, (0, 4))

def test_enter_text(self):

[self.repl.add_normal_character(c) for c in '1 + 1']

screen = fsarray([cyan('>>> ') + bold(green('1') + cyan(' ') +

yellow('+') + cyan(' ') + green('1')),

cyan('Welcome to')])

self.assert_paint(screen, (0, 9))

def test_run_line(self):

try:

orig_stdout = sys.stdout

sys.stdout = self.repl.stdout

[self.repl.add_normal_character(c) for c in '1 + 1']

self.repl.on_enter(insert_into_history=False)

screen = fsarray(['>>> 1 + 1', '2', 'Welcome to'])

self.assert_paint_ignoring_formatting(screen, (1, 1))

finally:

sys.stdout = orig_stdout

def test_completion(self):

self.repl.height, self.repl.width = (5, 32)

self.repl.current_line = 'an'

self.cursor_offset = 2

if config.supports_box_chars():

screen = ['>>> an',

'┌───────────────────────┐',

'│ and any( │',

'└───────────────────────┘',

'Welcome to bpython! Press <F1> f']

else:

screen = ['>>> an',

'+-----------------------+',

'| and any( |',

'+-----------------------+',

'Welcome to bpython! Press <F1> f']

self.assert_paint_ignoring_formatting(screen, (0, 4))

def test_argspec(self):

def foo(x, y, z=10):

"docstring!"

pass

argspec = inspection.getargspec('foo', foo) + [1]

array = replpainter.formatted_argspec(argspec, 30, setup_config())

screen = [bold(cyan('foo')) + cyan(':') + cyan(' ') + cyan('(') +

cyan('x') + yellow(',') + yellow(' ') + bold(cyan('y')) +

yellow(',') + yellow(' ') + cyan('z') + yellow('=') +

bold(cyan('10')) + yellow(')')]

self.assertFSArraysEqual(fsarray(array), fsarray(screen))

def test_formatted_docstring(self):

actual = replpainter.formatted_docstring(

'Returns the results\n\n' 'Also has side effects',

40, config=setup_config())

expected = fsarray(['Returns the results', '',

'Also has side effects'])

self.assertFSArraysEqualIgnoringFormatting(actual, expected)

def test_paint_lasts_events(self):

actual = replpainter.paint_last_events(4, 100, ['a', 'b', 'c'],

config=setup_config())

if config.supports_box_chars():

expected = fsarray(["┌─┐",

"│c│",

"│b│",

"└─┘"])

else:

expected = fsarray(["+-+",

"|c|",

"|b|",

"+-+"])

self.assertFSArraysEqualIgnoringFormatting(actual, expected)

@contextmanager

def output_to_repl(repl):

old_out, old_err = sys.stdout, sys.stderr

try:

sys.stdout, sys.stderr = repl.stdout, repl.stderr

yield

finally:

sys.stdout, sys.stderr = old_out, old_err

class TestCurtsiesRewindRedraw(CurtsiesPaintingTest):

def refresh(self):

self.refresh_requests.append(RefreshRequestEvent())

def send_refreshes(self):

while self.refresh_requests:

self.repl.process_event(self.refresh_requests.pop())

_, _ = self.repl.paint()

def enter(self, line=None):

"""Enter a line of text, avoiding autocompletion windows

autocomplete could still happen if the entered line has

autocompletion that would happen then, but intermediate

stages won't happen"""

if line is not None:

self.repl._set_cursor_offset(len(line), update_completion=False)

self.repl.current_line = line

with output_to_repl(self.repl):

self.repl.on_enter(insert_into_history=False)

self.assertEqual(self.repl.rl_history.entries, [''])

self.send_refreshes()

def undo(self):

with output_to_repl(self.repl):

self.repl.undo()

self.send_refreshes()

def setUp(self):

self.refresh_requests = []

self.repl = Repl(banner='', config=setup_config(),

request_refresh=self.refresh)

# clear history

self.repl.rl_history = History()

self.repl.height, self.repl.width = (5, 32)

def test_rewind(self):

self.repl.current_line = '1 + 1'

self.enter()

screen = ['>>> 1 + 1',

'2',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (2, 4))

self.repl.undo()

screen = ['>>> ']

self.assert_paint_ignoring_formatting(screen, (0, 4))

def test_rewind_contiguity_loss(self):

self.enter('1 + 1')

self.enter('2 + 2')

self.enter('def foo(x):')

self.repl.current_line = ' return x + 1'

screen = ['>>> 1 + 1',

'2',

'>>> 2 + 2',

'4',

'>>> def foo(x):',

'... return x + 1']

self.assert_paint_ignoring_formatting(screen, (5, 8))

self.repl.scroll_offset = 1

self.assert_paint_ignoring_formatting(screen[1:], (4, 8))

self.undo()

screen = ['2',

'>>> 2 + 2',

'4',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (3, 4))

self.undo()

screen = ['2',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (1, 4))

self.undo()

screen = [CONTIGUITY_BROKEN_MSG[:self.repl.width],

'>>> ',

'',

' '] # TODO why is that there? Necessary?

self.assert_paint_ignoring_formatting(screen, (1, 4))

screen = ['>>> ']

self.assert_paint_ignoring_formatting(screen, (0, 4))

def test_inconsistent_history_doesnt_happen_if_onscreen(self):

self.enter('1 + 1')

screen = ['>>> 1 + 1',

'2',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (2, 4))

self.enter("2 + 2")

screen = ['>>> 1 + 1',

'2',

'>>> 2 + 2',

'4',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (4, 4))

self.repl.display_lines[0] = self.repl.display_lines[0] * 2

self.undo()

screen = ['>>> 1 + 1',

'2',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (2, 4))

def test_rewind_inconsistent_history(self):

self.enter('1 + 1')

self.enter('2 + 2')

self.enter('3 + 3')

screen = ['>>> 1 + 1',

'2',

'>>> 2 + 2',

'4',

'>>> 3 + 3',

'6',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (6, 4))

self.repl.scroll_offset += len(screen) - self.repl.height

self.assert_paint_ignoring_formatting(screen[2:], (4, 4))

self.repl.display_lines[0] = self.repl.display_lines[0] * 2

self.undo()

screen = [INCONSISTENT_HISTORY_MSG[:self.repl.width],

'>>> 2 + 2',

'4',

'>>> ',

'',

' ']

self.assert_paint_ignoring_formatting(screen, (3, 4))

self.repl.scroll_offset += len(screen) - self.repl.height

self.assert_paint_ignoring_formatting(screen[1:-2], (2, 4))

def test_rewind_inconsistent_history_more_lines_same_screen(self):

self.repl.width = 60

sys.a = 5

self.enter('import sys')

self.enter('for i in range(sys.a):')

self.enter(' print(sys.a)')

self.enter('')

self.enter('1 + 1')

self.enter('2 + 2')

screen = ['>>> import sys',

'>>> for i in range(sys.a):',

'... print(sys.a)',

'... ',

'5',

'>>> 1 + 1',

'2',

'>>> 2 + 2',

'4',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (13, 4))

self.repl.scroll_offset += len(screen) - self.repl.height

self.assert_paint_ignoring_formatting(screen[9:], (4, 4))

sys.a = 6

self.undo()

screen = [INCONSISTENT_HISTORY_MSG[:self.repl.width],

'6',

# everything will jump down a line - that's perfectly

# reasonable

'>>> 1 + 1',

'2',

'>>> ',

' ']

self.assert_paint_ignoring_formatting(screen, (4, 4))

self.repl.scroll_offset += len(screen) - self.repl.height

self.assert_paint_ignoring_formatting(screen[1:-1], (3, 4))

def test_rewind_inconsistent_history_more_lines_lower_screen(self):

self.repl.width = 60

sys.a = 5

self.enter("import sys")

self.enter("for i in range(sys.a):")

self.enter(" print(sys.a)")

self.enter("")

self.enter("1 + 1")

self.enter("2 + 2")

screen = [">>> import sys",

">>> for i in range(sys.a):",

"... print(sys.a)",

'... ',

'5',

'>>> 1 + 1',

'2',

'>>> 2 + 2',

'4',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (13, 4))

self.repl.scroll_offset += len(screen) - self.repl.height

self.assert_paint_ignoring_formatting(screen[9:], (4, 4))

sys.a = 8

self.undo()

screen = [INCONSISTENT_HISTORY_MSG[:self.repl.width],

'8',

'>>> 1 + 1',

'2',

'>>> ']

self.assert_paint_ignoring_formatting(screen)

self.repl.scroll_offset += len(screen) - self.repl.height

self.assert_paint_ignoring_formatting(screen[-5:])

def test_rewind_inconsistent_history_more_lines_raise_screen(self):

self.repl.width = 60

sys.a = 5

self.enter("import sys")

self.enter("for i in range(sys.a):")

self.enter(" print(sys.a)")

self.enter("")

self.enter("1 + 1")

self.enter("2 + 2")

screen = [">>> import sys",

">>> for i in range(sys.a):",

"... print(sys.a)",

'... ',

'5',

'>>> 1 + 1',

'2',

'>>> 2 + 2',

'4',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (13, 4))

self.repl.scroll_offset += len(screen) - self.repl.height

self.assert_paint_ignoring_formatting(screen[9:], (4, 4))

sys.a = 1

self.undo()

screen = [INCONSISTENT_HISTORY_MSG[:self.repl.width],

'1',

'>>> 1 + 1',

'2',

'>>> ',

' ']

self.assert_paint_ignoring_formatting(screen)

self.repl.scroll_offset += len(screen) - self.repl.height

self.assert_paint_ignoring_formatting(screen[1:-1])

def test_rewind_history_not_quite_inconsistent(self):

self.repl.width = 50

sys.a = 5

self.enter("for i in range(__import__('sys').a):")

self.enter(" print(i)")

self.enter("")

self.enter("1 + 1")

self.enter("2 + 2")

screen = [">>> for i in range(__import__('sys').a):",

"... print(i)",

"... ",

'0',

'1',

'2',

'3',

'4',

'>>> 1 + 1',

'2',

'>>> 2 + 2',

'4',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (12, 4))

self.repl.scroll_offset += len(screen) - self.repl.height

self.assert_paint_ignoring_formatting(screen[8:], (4, 4))

sys.a = 6

self.undo()

screen = ['5',

# everything will jump down a line - that's perfectly

# reasonable

'>>> 1 + 1',

'2',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (3, 4))

def test_rewind_barely_consistent(self):

self.enter("1 + 1")

self.enter("2 + 2")

self.enter("3 + 3")

screen = [">>> 1 + 1",

'2',

'>>> 2 + 2',

'4',

'>>> 3 + 3',

'6',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (6, 4))

self.repl.scroll_offset += len(screen) - self.repl.height

self.assert_paint_ignoring_formatting(screen[2:], (4, 4))

self.repl.display_lines[2] = self.repl.display_lines[2] * 2

self.undo()

screen = ['>>> 2 + 2',

'4',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (2, 4))

def test_clear_screen(self):

self.enter("1 + 1")

self.enter("2 + 2")

screen = [">>> 1 + 1",

'2',

'>>> 2 + 2',

'4',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (4, 4))

self.repl.request_paint_to_clear_screen = True

screen = [">>> 1 + 1",

'2',

'>>> 2 + 2',

'4',

'>>> ', '', '', '', '']

self.assert_paint_ignoring_formatting(screen, (4, 4))

def test_scroll_down_while_banner_visible(self):

self.repl.status_bar.message('STATUS_BAR')

self.enter("1 + 1")

self.enter("2 + 2")

screen = [">>> 1 + 1",

'2',

'>>> 2 + 2',

'4',

'>>> ',

'STATUS_BAR ']

self.assert_paint_ignoring_formatting(screen, (4, 4))

self.repl.scroll_offset += len(screen) - self.repl.height

self.assert_paint_ignoring_formatting(screen[1:], (3, 4))

def test_clear_screen_while_banner_visible(self):

self.repl.status_bar.message('STATUS_BAR')

self.enter("1 + 1")

self.enter("2 + 2")

screen = [">>> 1 + 1",

'2',

'>>> 2 + 2',

'4',

'>>> ',

'STATUS_BAR ']

self.assert_paint_ignoring_formatting(screen, (4, 4))

self.repl.scroll_offset += len(screen) - self.repl.height

self.assert_paint_ignoring_formatting(screen[1:], (3, 4))

self.repl.request_paint_to_clear_screen = True

screen = ['2',

'>>> 2 + 2',

'4',

'>>> ',

'', '', '',

'STATUS_BAR ']

self.assert_paint_ignoring_formatting(screen, (3, 4))

def test_cursor_stays_at_bottom_of_screen(self):

"""infobox showing up during intermediate render was causing this to

fail, #371"""

self.repl.width = 50

self.repl.current_line = "__import__('random').__name__"

with output_to_repl(self.repl):

self.repl.on_enter(insert_into_history=False)

screen = [">>> __import__('random').__name__",

"'random'"]

self.assert_paint_ignoring_formatting(screen)

with output_to_repl(self.repl):

self.repl.process_event(self.refresh_requests.pop())

screen = [">>> __import__('random').__name__",

"'random'",

""]

self.assert_paint_ignoring_formatting(screen)

with output_to_repl(self.repl):

self.repl.process_event(self.refresh_requests.pop())

screen = [">>> __import__('random').__name__",

"'random'",

">>> "]

self.assert_paint_ignoring_formatting(screen, (2, 4))

def test_unhighlight_paren_bugs(self):

"""two previous bugs, paren did't highlight until next render

and paren didn't unhighlight until enter"""

self.assertEqual(self.repl.rl_history.entries, [''])

self.enter('(')

self.assertEqual(self.repl.rl_history.entries, [''])

screen = [">>> (",

"... "]

self.assertEqual(self.repl.rl_history.entries, [''])

self.assert_paint_ignoring_formatting(screen)

self.assertEqual(self.repl.rl_history.entries, [''])

with output_to_repl(self.repl):

self.assertEqual(self.repl.rl_history.entries, [''])

self.repl.process_event(')')

self.assertEqual(self.repl.rl_history.entries, [''])

screen = fsarray([cyan(">>> ")+on_magenta(bold(red('('))),

green("... ")+on_magenta(bold(red(')')))])

self.assert_paint(screen, (1, 5))

with output_to_repl(self.repl):

self.repl.process_event(' ')

screen = fsarray([cyan(">>> ")+yellow('('),

green("... ")+yellow(')')+bold(cyan(" "))])

self.assert_paint(screen, (1, 6))

def send_key(self, key):

self.repl.process_event('<SPACE>' if key == ' ' else key)

self.repl.paint() # has some side effects we need to be wary of

def test_472(self):

[self.send_key(c) for c in "(1, 2, 3)"]

with output_to_repl(self.repl):

self.send_key('\n')

self.send_refreshes()

self.send_key('<UP>')

self.repl.paint()

[self.send_key('<LEFT>') for _ in range(4)]

self.send_key('<BACKSPACE>')

self.send_key('4')

self.repl.on_enter()

self.send_refreshes()

screen = [">>> (1, 2, 3)",

'(1, 2, 3)',

'>>> (1, 4, 3)',

'(1, 4, 3)',

'>>> ']

self.assert_paint_ignoring_formatting(screen, (4, 4))

bpython/bpython/test/test_curtsies_painting.py at master · mmorello1/bpython · GitHub

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