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_draw():
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) doing a pageup and then a draw -- expecting the screen
# to scroll to the bottom before drawing anything.
stream.feed(ctrl.ESC + "P")
stream.feed(ctrl.ESC + "P")
stream.feed(ctrl.ESC + "N")
stream.feed("x")
assert screen.display == [
"21 ",
"22 ",
"23 ",
"24 ",
"x "
]
def test_unicode():
screen = Screen(4, 2)
stream = Stream()
stream.attach(screen)
try:
stream.feed("тест")
except UnicodeDecodeError:
pytest.fail("Check your code -- we do accept unicode.")
assert screen.display == ["тест", " "]
def test_private_report_device_attributes():
# Some console apps (e.g. ADOM) might add ``?`` to the DA request,
# even though the VT102/VT220 spec does not allow this.
screen = Screen(10, 10)
stream = Stream()
stream.attach(screen)
acc = []
screen.write_process_input = acc.append
stream.feed(ctrl.CSI + "?0c")
assert acc.pop() == ctrl.CSI + "?6c"
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 main(path):
font = ImageFont.truetype("SourceCodePro-Regular.otf", size=16)
with tempfile.TemporaryDirectory() as dirname, open(path, 'r') as f:
j = json.load(f)
screen = Screen(j['width'], j['height'])
stream = Stream()
stream.attach(screen)
i = 0
for delay, text in j['stdout']:
img = Image.new("RGBA", (1280, 960))
draw = ImageDraw.Draw(img)
stream.feed(text)
draw.multiline_text((0, 0), "\n".join(screen.display), font=font)
img.save(os.path.join(dirname, '%04d.gif' % i))
i = i + 1
subprocess.run('gifsicle -d 10 --loopcount -O2 --output %s.gif %s/*.gif' % (path, dirname),
shell=True, check=True)
def main(path):
font = ImageFont.truetype("SourceCodePro-Regular.otf", size=16)
with tempfile.TemporaryDirectory() as dirname, open(path, 'r') as f:
j = json.load(f)
screen = Screen(j['width'], j['height'])
stream = Stream()
stream.attach(screen)
i = 0
for delay, text in j['stdout']:
img = Image.new("RGBA", (1280, 960))
draw = ImageDraw.Draw(img)
stream.feed(text)
draw.multiline_text((0, 0), "\n".join(screen.display), font=font)
img.save(os.path.join(dirname, '%04d.gif' % i))
i = i + 1
subprocess.run(
'gifsicle -d 10 --loopcount -O2 --output %s.gif %s/*.gif' %
(path, dirname),
shell=True,
check=True)
def test_cursor_is_hidden():
screen = HistoryScreen(5, 5, history=50)
stream = Stream()
stream.attach(screen)
stream.escape["N"] = "next_page"
stream.escape["P"] = "prev_page"
for idx in range(len(screen) * 5):
map(stream.feed, unicode(idx) + "\n")
assert not screen.cursor.hidden
stream.feed(ctrl.ESC + "P")
assert screen.cursor.hidden
stream.feed(ctrl.ESC + "P")
assert screen.cursor.hidden
stream.feed(ctrl.ESC + "N")
assert screen.cursor.hidden
stream.feed(ctrl.ESC + "N")
assert not screen.cursor.hidden
def test_cursor_is_hidden():
screen = HistoryScreen(5, 5, history=50)
stream = Stream()
stream.attach(screen)
stream.escape["N"] = "next_page"
stream.escape["P"] = "prev_page"
for idx in range(len(screen.buffer) * 5):
for ch in str(idx) + os.linesep:
stream.feed(ch)
assert not screen.cursor.hidden
stream.feed(ctrl.ESC + "P")
assert screen.cursor.hidden
stream.feed(ctrl.ESC + "P")
assert screen.cursor.hidden
stream.feed(ctrl.ESC + "N")
assert screen.cursor.hidden
stream.feed(ctrl.ESC + "N")
assert not screen.cursor.hidden
def test_cursor_is_hidden():
screen = HistoryScreen(5, 5, history=50)
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 not screen.cursor.hidden
stream.feed(ctrl.ESC + "P")
assert screen.cursor.hidden
stream.feed(ctrl.ESC + "P")
assert screen.cursor.hidden
stream.feed(ctrl.ESC + "N")
assert screen.cursor.hidden
stream.feed(ctrl.ESC + "N")
assert not screen.cursor.hidden
def test_draw():
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.buffer) * 5):
for ch in str(idx) + os.linesep:
stream.feed(ch)
assert screen.display == ["21 ", "22 ", "23 ", "24 ", " "]
# a) doing a pageup and then a draw -- expecting the screen
# to scroll to the bottom before drawing anything.
stream.feed(ctrl.ESC + "P")
stream.feed(ctrl.ESC + "P")
stream.feed(ctrl.ESC + "N")
stream.feed("x")
assert screen.display == ["21 ", "22 ", "23 ", "24 ", "x "]
