def test_ensure_width(monkeypatch):
screen = HistoryScreen(5, 5, history=50)
screen.set_mode(mo.LNM)
monkeypatch.setattr(Stream, "escape",
dict(N="next_page", P="prev_page", **Stream.escape))
stream = Stream()
stream.attach(screen)
for idx in range(len(screen.buffer) * 5):
for ch in str(idx) + os.linesep:
stream.feed(ch)
assert screen.display == ["21 ", "22 ", "23 ", "24 ", " "]
# a) shrinking the screen, expecting the lines displayed to
# be truncated.
screen.resize(5, 2)
stream.feed(ctrl.ESC + "P")
assert all(len(l) != 2 for l in screen.history.top)
assert all(len(l) == 2 for l in screen.history.bottom)
assert screen.display == ["18", "19", "20", "21", "22"]
# b) expading the screen, expecting the lines displayed to
# be filled with whitespace characters.
screen.resize(5, 10)
stream.feed(ctrl.ESC + "N")
assert all(len(l) == 10 for l in list(screen.history.top)[-3:])
assert all(len(l) != 10 for l in screen.history.bottom)
assert screen.display == [
"21 ", "22 ", "23 ", "24 ", " "
]
def test_ensure_width():
screen = HistoryScreen(5, 5, history=50)
screen.set_mode(mo.LNM)
stream = Stream()
stream.attach(screen)
stream.escape["N"] = "next_page"
stream.escape["P"] = "prev_page"
for idx in range(len(screen) * 5):
for ch in str(idx) + os.linesep:
stream.feed(ch)
assert screen.display == ["21 ", "22 ", "23 ", "24 ", " "]
# a) shrinking the screen, expecting the lines displayed to
# be truncated.
screen.resize(5, 2)
stream.feed(ctrl.ESC + "P")
assert all(len(l) is not 2 for l in screen.history.top)
assert all(len(l) is 2 for l in screen.history.bottom)
assert screen.display == ["18", "19", "20", "21", "22"]
# b) expading the screen, expecting the lines displayed to
# be filled with whitespace characters.
screen.resize(5, 10)
stream.feed(ctrl.ESC + "N")
assert all(len(l) is 10 for l in list(screen.history.top)[-3:])
assert all(len(l) is not 10 for l in screen.history.bottom)
assert screen.display == [
"21 ", "22 ", "23 ", "24 ", " "
]
def test_ensure_width(monkeypatch):
screen = HistoryScreen(5, 5, history=50)
screen.set_mode(mo.LNM)
monkeypatch.setattr(Stream, "escape",
dict(N="next_page", P="prev_page", **Stream.escape))
stream = Stream()
stream.attach(screen)
for idx in range(len(screen.buffer) * 5):
for ch in str(idx) + os.linesep:
stream.feed(ch)
assert screen.display == [
"21 ",
"22 ",
"23 ",
"24 ",
" "
]
# a) shrinking the screen, expecting the lines displayed to
# be truncated.
screen.resize(5, 2)
stream.feed(ctrl.ESC + "P")
assert all(len(l) != 2 for l in screen.history.top)
assert all(len(l) == 2 for l in screen.history.bottom)
assert screen.display == [
"18",
"19",
"20",
"21",
"22"
]
# b) expading the screen, expecting the lines displayed to
# be filled with whitespace characters.
screen.resize(5, 10)
stream.feed(ctrl.ESC + "N")
assert all(len(l) == 10 for l in list(screen.history.top)[-3:])
assert all(len(l) != 10 for l in screen.history.bottom)
assert screen.display == [
"21 ",
"22 ",
"23 ",
"24 ",
" "
]
def test_ensure_width():
screen = HistoryScreen(5, 5, history=50)
screen.set_mode(mo.LNM)
stream = Stream()
stream.attach(screen)
stream.escape["N"] = "next_page"
stream.escape["P"] = "prev_page"
for idx in range(len(screen) * 5):
for ch in str(idx) + os.linesep:
stream.feed(ch)
assert screen.display == [
"21 ",
"22 ",
"23 ",
"24 ",
" "
]
# a) shrinking the screen, expecting the lines displayed to
# be truncated.
screen.resize(5, 2)
stream.feed(ctrl.ESC + "P")
assert all(len(l) is not 2 for l in screen.history.top)
assert all(len(l) is 2 for l in screen.history.bottom)
assert screen.display == [
"18",
"19",
"20",
"21",
"22"
]
# b) expading the screen, expecting the lines displayed to
# be filled with whitespace characters.
screen.resize(5, 10)
stream.feed(ctrl.ESC + "N")
assert all(len(l) is 10 for l in list(screen.history.top)[-3:])
assert all(len(l) is not 10 for l in screen.history.bottom)
assert screen.display == [
"21 ",
"22 ",
"23 ",
"24 ",
" "
]
