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test_curtsies_painting.py
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883 lines (795 loc) · 29.6 KB
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import itertools
import os
import pydoc
import string
import sys
from contextlib import contextmanager
from typing import cast
from curtsies.formatstringarray import (
fsarray,
assertFSArraysEqual,
assertFSArraysEqualIgnoringFormatting,
)
from curtsies.fmtfuncs import cyan, bold, green, yellow, on_magenta, red
from curtsies.window import CursorAwareWindow
from unittest import mock, skipIf
from bpython.curtsiesfrontend.events import RefreshRequestEvent
from bpython import config, inspection
from bpython.curtsiesfrontend.repl import BaseRepl
from bpython.curtsiesfrontend import replpainter
from bpython.curtsiesfrontend.repl import (
INCONSISTENT_HISTORY_MSG,
CONTIGUITY_BROKEN_MSG,
)
from bpython.test import FixLanguageTestCase as TestCase, TEST_CONFIG
def setup_config():
config_struct = config.Config(TEST_CONFIG)
config_struct.cli_suggestion_width = 1
return config_struct
class ClearEnviron(TestCase):
@classmethod
def setUpClass(cls):
cls.mock_environ = mock.patch.dict(
"os.environ",
{
"LC_ALL": os.environ.get("LC_ALL", "C.UTF-8"),
"LANG": os.environ.get("LANG", "C.UTF-8"),
},
clear=True,
)
cls.mock_environ.start()
TestCase.setUpClass()
@classmethod
def tearDownClass(cls):
cls.mock_environ.stop()
TestCase.tearDownClass()
class CurtsiesPaintingTest(ClearEnviron):
def setUp(self):
class TestRepl(BaseRepl):
def _request_refresh(inner_self):
pass
self.repl = TestRepl(setup_config(), cast(CursorAwareWindow, None))
self.repl.height, self.repl.width = (5, 10)
@property
def locals(self):
return self.repl.coderunner.interp.locals
def assert_paint(self, screen, cursor_row_col):
array, cursor_pos = self.repl.paint()
assertFSArraysEqual(array, screen)
self.assertEqual(cursor_pos, cursor_row_col)
def assert_paint_ignoring_formatting(
self, screen, cursor_row_col=None, **paint_kwargs
):
array, cursor_pos = self.repl.paint(**paint_kwargs)
assertFSArraysEqualIgnoringFormatting(array, screen)
if cursor_row_col is not None:
self.assertEqual(cursor_pos, cursor_row_col)
def process_box_characters(self, screen):
if not self.repl.config.unicode_box or not config.supports_box_chars():
return [
line.replace("┌", "+")
.replace("└", "+")
.replace("┘", "+")
.replace("┐", "+")
.replace("─", "-")
for line in screen
]
return screen
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(">>> ")], width=10)
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")
),
],
width=10,
)
self.assert_paint(screen, (0, 9))
def test_run_line(self):
orig_stdout = sys.stdout
try:
sys.stdout = self.repl.stdout
[self.repl.add_normal_character(c) for c in "1 + 1"]
self.repl.on_enter(new_code=False)
screen = fsarray([">>> 1 + 1", "2"])
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
screen = self.process_box_characters(
[
">>> an",
"┌──────────────────────────────┐",
"│ and anext( any( │",
"└──────────────────────────────┘",
]
)
self.assert_paint_ignoring_formatting(screen, (0, 4))
def test_argspec(self):
def foo(x, y, z=10):
"docstring!"
pass
argspec = inspection.getfuncprops("foo", foo)
array = replpainter.formatted_argspec(argspec, 1, 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(")")
]
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"])
assertFSArraysEqualIgnoringFormatting(actual, expected)
def test_unicode_docstrings(self):
"A bit of a special case in Python 2"
# issue 653
def foo():
"åß∂ƒ"
actual = replpainter.formatted_docstring(
foo.__doc__, 40, config=setup_config()
)
expected = fsarray(["åß∂ƒ"])
assertFSArraysEqualIgnoringFormatting(actual, expected)
def test_nonsense_docstrings(self):
for docstring in [
123,
{},
[],
]:
try:
replpainter.formatted_docstring(
docstring, 40, config=setup_config()
)
except Exception:
self.fail(f"bad docstring caused crash: {docstring!r}")
def test_weird_boto_docstrings(self):
# Boto does something like this.
# botocore: botocore/docs/docstring.py
class WeirdDocstring(str):
# a mighty hack. See botocore/docs/docstring.py
def expandtabs(self, tabsize=8):
return "asdfåß∂ƒ".expandtabs(tabsize)
def foo():
pass
foo.__doc__ = WeirdDocstring()
wd = pydoc.getdoc(foo)
actual = replpainter.formatted_docstring(wd, 40, config=setup_config())
expected = fsarray(["asdfåß∂ƒ"])
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|", "+-+"])
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 HigherLevelCurtsiesPaintingTest(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(new_code=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 = []
class TestRepl(BaseRepl):
def _request_refresh(inner_self):
self.refresh()
self.repl = TestRepl(
setup_config(), cast(CursorAwareWindow, None), banner=""
)
self.repl.height, self.repl.width = (5, 32)
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
class TestWidthAwareness(HigherLevelCurtsiesPaintingTest):
def test_cursor_position_with_fullwidth_char(self):
self.repl.add_normal_character("間")
cursor_pos = self.repl.paint()[1]
self.assertEqual(cursor_pos, (0, 6))
def test_cursor_position_with_padding_char(self):
# odd numbered so fullwidth chars don't wrap evenly
self.repl.width = 11
[self.repl.add_normal_character(c) for c in "ｗｉｄｔｈ"]
cursor_pos = self.repl.paint()[1]
self.assertEqual(cursor_pos, (1, 4))
@skipIf(
sys.version_info[:2] >= (3, 11) and sys.version_info[:3] < (3, 11, 1),
"https://github.com/python/cpython/issues/98744",
)
def test_display_of_padding_chars(self):
self.repl.width = 11
[self.repl.add_normal_character(c) for c in "ｗｉｄｔｈ"]
self.enter()
expected = [">>> ｗｉｄ ", "ｔｈ"] # <--- note the added trailing space
result = [d.s for d in self.repl.display_lines[0:2]]
self.assertEqual(result, expected)
class TestCurtsiesRewindRedraw(HigherLevelCurtsiesPaintingTest):
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))
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",
"5",
"5",
"5",
"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",
"5",
"5",
"5",
"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",
"8",
"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",
"5",
"5",
"5",
"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(new_code=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, parent didn't highlight until next render
and paren didn't unhighlight until enter"""
self.repl.width = 32
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(")"))),
],
width=32,
)
self.assert_paint(screen, (1, 5))
with output_to_repl(self.repl):
self.repl.process_event(" ")
screen = fsarray(
[
cyan(">>> ") + yellow("("),
green("... ") + yellow(")") + bold(cyan(" ")),
],
width=32,
)
self.assert_paint(screen, (1, 6))
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))
def completion_target(num_names, chars_in_first_name=1):
class Class:
pass
if chars_in_first_name < 1:
raise ValueError("need at least one char in each name")
elif chars_in_first_name == 1 and num_names > len(string.ascii_letters):
raise ValueError("need more chars to make so many names")
names = gen_names()
if num_names > 0:
setattr(Class, "a" * chars_in_first_name, 1)
next(names) # use the above instead of first name
for _, name in zip(range(num_names - 1), names):
setattr(Class, name, 0)
return Class()
def gen_names():
for letters in itertools.chain(
itertools.combinations_with_replacement(string.ascii_letters, 1),
itertools.combinations_with_replacement(string.ascii_letters, 2),
):
yield "".join(letters)
class TestCompletionHelpers(TestCase):
def test_gen_names(self):
self.assertEqual(
list(zip([1, 2, 3], gen_names())), [(1, "a"), (2, "b"), (3, "c")]
)
def test_completion_target(self):
target = completion_target(14)
self.assertEqual(
len([x for x in dir(target) if not x.startswith("_")]), 14
)
class TestCurtsiesInfoboxPaint(HigherLevelCurtsiesPaintingTest):
def test_simple(self):
self.repl.width, self.repl.height = (20, 30)
self.locals["abc"] = completion_target(3, 50)
self.repl.current_line = "abc"
self.repl.cursor_offset = 3
self.repl.process_event(".")
screen = self.process_box_characters(
[
">>> abc.",
"┌──────────────────┐",
"│ aaaaaaaaaaaaaaaa │",
"│ b │",
"│ c │",
"└──────────────────┘",
]
)
self.assert_paint_ignoring_formatting(screen, (0, 8))
def test_fill_screen(self):
self.repl.width, self.repl.height = (20, 15)
self.locals["abc"] = completion_target(20, 100)
self.repl.current_line = "abc"
self.repl.cursor_offset = 3
self.repl.process_event(".")
screen = self.process_box_characters(
[
">>> abc.",
"┌──────────────────┐",
"│ aaaaaaaaaaaaaaaa │",
"│ b │",
"│ c │",
"│ d │",
"│ e │",
"│ f │",
"│ g │",
"│ h │",
"│ i │",
"│ j │",
"│ k │",
"│ l │",
"└──────────────────┘",
]
)
self.assert_paint_ignoring_formatting(screen, (0, 8))
def test_lower_on_screen(self):
self.repl.get_top_usable_line = lambda: 10 # halfway down terminal
self.repl.width, self.repl.height = (20, 15)
self.locals["abc"] = completion_target(20, 100)
self.repl.current_line = "abc"
self.repl.cursor_offset = 3
self.repl.process_event(".")
screen = self.process_box_characters(
[
">>> abc.",
"┌──────────────────┐",
"│ aaaaaaaaaaaaaaaa │",
"│ b │",
"│ c │",
"│ d │",
"│ e │",
"│ f │",
"│ g │",
"│ h │",
"│ i │",
"│ j │",
"│ k │",
"│ l │",
"└──────────────────┘",
]
)
# behavior before issue #466
self.assert_paint_ignoring_formatting(
screen, try_preserve_history_height=0
)
self.assert_paint_ignoring_formatting(screen, min_infobox_height=100)
# behavior after issue #466
screen = self.process_box_characters(
[
">>> abc.",
"┌──────────────────┐",
"│ aaaaaaaaaaaaaaaa │",
"│ b │",
"│ c │",
"└──────────────────┘",
]
)
self.assert_paint_ignoring_formatting(screen)
def test_at_bottom_of_screen(self):
self.repl.get_top_usable_line = lambda: 17 # two lines from bottom
self.repl.width, self.repl.height = (20, 15)
self.locals["abc"] = completion_target(20, 100)
self.repl.current_line = "abc"
self.repl.cursor_offset = 3
self.repl.process_event(".")
screen = self.process_box_characters(
[
">>> abc.",
"┌──────────────────┐",
"│ aaaaaaaaaaaaaaaa │",
"│ b │",
"│ c │",
"│ d │",
"│ e │",
"│ f │",
"│ g │",
"│ h │",
"│ i │",
"│ j │",
"│ k │",
"│ l │",
"└──────────────────┘",
]
)
# behavior before issue #466
self.assert_paint_ignoring_formatting(
screen, try_preserve_history_height=0
)
self.assert_paint_ignoring_formatting(screen, min_infobox_height=100)
# behavior after issue #466
screen = self.process_box_characters(
[
">>> abc.",
"┌──────────────────┐",
"│ aaaaaaaaaaaaaaaa │",
"│ b │",
"│ c │",
"└──────────────────┘",
]
)
self.assert_paint_ignoring_formatting(screen)