def test_styled_text_render_and_animate_special_marks():
sc, sh, text_plane = styled_text()
msg = "Hello World!"
# Special mark callable index uses dependency injection, like TM.Transformers.
m = SpecialMark(index=lambda tick, length: tick % length,
attributes={"color": TM.Color("red")})
m1 = SpecialMark(index=lambda tick, length: (tick + 1) % length,
pop_attributes={"color": None})
text_plane.marks.special.update([m, m1])
text_plane[0, 5] = msg
sc.update()
yield None
assert sc.data[0, 5].foreground == TM.Color("red")
assert sc.data[1, 5].foreground == TM.values.DEFAULT_FG
for i, char in enumerate(msg[:-1], 1):
text_plane.update()
sc.update()
yield None
assert sc.data[i - 1, 5].foreground == TM.values.DEFAULT_FG
assert sc.data[i, 5].foreground == TM.Color("red")
assert sc.data[i + 1, 5].foreground == TM.values.DEFAULT_FG
assert sc.data[i + 2, 5].foreground == TM.values.DEFAULT_FG
def test_transformers_can_be_stacked():
sh = TM.shape((1, 1))
green = Color((0, 255, 0))
sh.context.color = "red"
sh.context.background = green
sh.context.effects = TM.Effects.underline
sh[0, 0] = "*"
res = tuple(sh[0, 0])
# in SVG land, from where we get the color names, 'green' is 0, 128, 0.
green = Color((0, 255, 0))
assert res == ("*", Color("red"), green, TM.Effects.underline)
sh.context.transformers.append(TM.Transformer(char=lambda value: "."))
res = tuple(sh[0, 0])
assert res == (".", Color("red"), green, TM.Effects.underline)
sh.context.transformers.append(
TM.Transformer(foreground=lambda value: TM.Color(
(value.green, value.blue, value.red))))
res = tuple(sh[0, 0])
assert res == (".", Color("blue"), green, TM.Effects.underline)
sh.context.transformers.append(
TM.Transformer(background=lambda value: TM.Color(
(value.green, value.blue, value.red))))
res = tuple(sh[0, 0])
assert res == (".", Color("blue"), Color("red"), TM.Effects.underline)
sh.context.transformers.append(
TM.Transformer(effects=lambda value: value | TM.Effects.blink))
res = tuple(sh[0, 0])
assert res == (".", Color("blue"), Color("red"),
TM.Effects.underline | TM.Effects.blink)
def test_transform_pixel_channel_works():
sh = TM.shape((1,1))
def new_pixel(value):
return "*", TM.Color("red"), TM.Color("blue"), TM.Effects.underline
sh.context.transformers.append(TM.Transformer(pixel=new_pixel, background=TM.Color("green")))
assert tuple(sh[0,0]) == ("*", TM.Color("red"), TM.Color("green"), TM.Effects.underline)
def test_styled_text_on_replaying_skipped_cell_mark_should_place_it_first_than_inline_mark_on_next_char(
):
sc, sh, text_plane = styled_text()
sh.text[1].marks[5, 0] = TM.Mark(attributes={"foreground": "red"})
sh.text[1][4, 0] = "[effect: encircled]A[color: yellow]B[/color]C"
sc.update()
yield None
assert sh[6, 0].foreground == TM.Color("yellow")
assert sh[8, 0].foreground == TM.Color("red")
def test_mltokenizer_generates_mark_sequences_with_markups_at_same_place():
x = MLTokenizer("[color: blue][background: white]Hello World!")
x.parse()
assert x.parsed_text == "Hello World!"
assert isinstance(x.mark_sequence[0], Sequence)
assert len(x.mark_sequence[0]) == 2
assert x.mark_sequence[0][0].attributes == {"color": TM.Color("blue")}
assert x.mark_sequence[0][1].attributes == {
"background": TM.Color("white")
}
def test_richtext_rendering_respects_existing_context():
sc, sh, text_plane = styled_text()
msg = "H[color: yellow]ell[/color]o World!"
sh.context.color = "red"
text_plane[0, 0] = msg
sc.update()
yield None
assert sc.data[0, 0].foreground == TM.Color("red")
assert sc.data[1, 0].foreground == TM.Color("yellow")
assert sc.data[4, 0].foreground == TM.Color("red")
def test_styled_sequence_retrives_marks_from_text_plane():
sc, sh, text_plane = styled_text()
text_plane.marks[1, 0] = Mark(attributes={"color": TM.Color("yellow")})
msg = "Hello World!"
aa = StyledSequence(msg, {}, text_plane)
aa.render()
sc.update()
yield None
assert sc.data[0, 0].foreground == TM.DEFAULT_FG
for i, letter in enumerate(msg[1:], 1):
assert sc.data[i, 0].foreground == TM.Color("yellow")
def test_styled_text_marks_can_be_built_with_keywords_and_strings():
x = TM.Mark(color="green", effects="Blink", direction="Left")
assert x.attributes["foreground"] == TM.Color("green")
assert x.attributes["effects"] == TM.Effects.blink
assert x.attributes["direction"] == TM.Directions.LEFT
x = TM.Mark(background="green", effects="Blink, bold")
assert x.attributes["background"] == TM.Color("green")
assert x.attributes["effects"] == TM.Effects.blink | TM.Effects.bold
x = TM.Mark(effects="Blink | bold")
assert x.attributes["effects"] == TM.Effects.blink | TM.Effects.bold
x = TM.Mark(effects="Blink bold")
assert x.attributes["effects"] == TM.Effects.blink | TM.Effects.bold
def test_styled_text_doesnot_skip_positional_mark_placed_at_continuation_of_double_character(
direction):
sc, sh, text_plane = styled_text()
sh.text[1].marks[5, 0] = TM.Mark(attributes={"foreground": "red"})
if direction == "right":
start = (4, 0)
check_point = (6, 0)
else:
start = (6, 0)
check_point = (3, 0)
sh.text[1][start] = f"[direction: {direction}][effect: encircled]ABC"
sc.update()
yield None
# the next assert is covered by other tests - but it ensures at once
# that directions, effects, and double-width printing are working in a consistent way
assert sh[check_point].value == "B"
# TODO: nowadays, the constant "TM.values.CONTINUATION is retrieved at the adjacent
# cell - this should be changed so that the value that is "continued" is retrieved,
# and a "raw" way should be provided to find the "CONTINUATION" indication
# (The backend rendering needs it)
# - so, the assert works now, but is commented out, as this behavior is
# subject to change:
# assert sh[check_point + V2(1, 0)].value == TM.values.CONTINUATION
# This assert is the object of the current test:
assert sh[check_point].foreground == TM.Color("red")
def test_styled_text_push_context_attribute():
seq = StyledSequence("", {})
seq._enter_iteration()
color = TM.Color("red")
color2 = TM.Color("yellow")
assert seq.context.color != color
original = seq.context.color
seq._context_push({"color": color}, {}, "sequence", 0)
assert seq.context.color == color
seq._context_push({"color": color2}, {}, "sequence", 0)
assert seq.context.color == color2
seq._context_push({}, {"color": None}, "sequence", 0)
assert seq.context.color == color
seq._context_push({}, {"color": None}, "sequence", 0)
assert seq.context.color == original
def draw(event):
colors = "red green blue white yellow".split()
tr.current_color = TM.Color(colors[event.tick // 5 % len(colors)])
sc.sprites[0].pos = 10, 10
if event.tick == 100:
sh = sc.sprites[0].shape
sh.clear()
sh.text[4].at((0, 0), "terminedia")
class FocusTransformer(terminedia.Transformer):
bg_color = terminedia.Color((.3, .3, .3))
def background(self, source, background, pos):
if not (pos[0] in (0, source.size[0] - 1) or pos[1] in (0, source.size[1] - 1)):
return background
return self.bg_color
def test_square_fullcolor_set_half_pixel_to_different_color_preserves_other_half():
color = TM.Color("blue")
color2 = TM.Color("red")
sc = TM.Screen(size=(3, 3))
sc.data.context.color = color
sc.data.square.set_at((0,0))
sc.data.context.color = color2
sc.data.square.set_at((0,1))
sc.update((0, 0))
yield None
assert sc.data.square.get_at((0,0)) == color
assert sc.data.square.get_at((0,1)) == color2
assert sc.data[0,0].background == color
assert sc.data[0,0].foreground == color2
assert sc.data[0,0].value == TM.subpixels.HalfChars.LOWER_HALF_BLOCK
def test_transformer_background_channel_works():
sh = TM.shape((1,1))
sh.context.background = "red"
sh[0,0] = "*"
assert sh[0,0].background == Color("red")
sh.context.transformers.append(TM.Transformer(background=lambda value: TM.Color((value.green, value.blue, value.red))))
assert sh[0,0].value == "*"
assert sh[0,0].background == Color("blue")
def test_styled_text_marks_inline_end_markup_dont_turn_off_location_based_mark(
):
sc, sh, text_plane = styled_text()
sc.text[1].marks[3, 0] = TM.Mark(attributes={"color": "green"})
sc.text[1].marks[4, 0] = TM.Mark(pop_attributes={"color": None})
sc.text[1].marks[5, 0] = TM.Mark(attributes={"color": "green"})
sc.text[1].marks[7, 0] = TM.Mark(pop_attributes={"color": None})
sc.text[1][0, 0] = "[color: purple]012345[/color]6789"
sc.update()
yield None
assert sc.data[0, 0].foreground == TM.Color("purple")
assert sc.data[3, 0].foreground == TM.Color("green")
assert sc.data[4, 0].foreground == TM.Color("purple")
assert sc.data[6, 0].foreground == TM.Color("green")
assert sc.data[7, 0].foreground == TM.values.DEFAULT_FG
def test_text_plane_clear():
sh = TM.shape((10, 10))
sh.text[1].marks[1, 0] = TM.Mark(attributes={"color": TM.Color("yellow")})
sh.text[1][0, 0] = "qazwsx"
assert isinstance(sh.text[1].marks[10, 0], TM.Mark)
assert sh.text[1].plane[1, 0] == "a"
sh.text[1].clear()
assert isinstance(sh.text[1].marks[10, 0], TM.Mark)
assert sh.text[1].plane[1, 0] == " "
assert sh.text[1].marks.get((1, 0), None) is None
def test_styled_text_transformers_spam_based_index_attribute_and_deactivation(
):
sc, sh, text_plane = styled_text()
sc.text.transformers_map["red"] = TM.Transformer(
foreground=lambda: TM.Color("red"))
sc.text.transformers_map["deg1"] = TM.Transformer(
background=lambda sequence_index: TM.Color(
(0, 25 * sequence_index, 255 - 25 * sequence_index)))
sc.text[1][
0,
0] = "[transformer: red 5]abc[transformer: deg1 10]defghijklmnopqrstyz"
sc.update()
yield None
for i in range(0, 20):
assert sc.data[i, 0].foreground == (TM.Color("red")
if i < 5 else TM.values.DEFAULT_FG)
if i < 3 or 13 <= i:
assert sc.data[i, 0].background == TM.values.DEFAULT_BG
else:
assert sc.data[i, 0].background == TM.Color(
(0, 25 * (i - 3), 255 - 25 * (i - 3)))
def test_square_fullcolor_set_half_pixel_to_other_color_than_default_preserves_other_half():
color = TM.Color("blue")
sc = TM.Screen(size=(3, 3))
sc.data.square.set_at((0,0))
sc.data.context.color = color
sc.data.square.set_at((0,1))
sc.update((0, 0))
yield None
assert sc.data.square.get_at((0,0)) is TM.DEFAULT_FG
assert sc.data.square.get_at((0,1)) == color
assert sc.data[0,0].background == color
assert sc.data[0,0].value == TM.subpixels.HalfChars.UPPER_HALF_BLOCK
def selector():
global sc, selector
options = [
(TM.Color(option))
for option in "red green blue white yellow black #0ff #f0f".split()
]
selector = W.Selector(sc,
pos=(30, 10),
options=options,
callback=done,
border=True,
min_height=3,
max_height=5,
text_plane=1,
min_width=10)
def test_styled_sequence_can_handle_pretransformers():
sc, sh, text_plane = styled_text()
msg = "0123456789"
tt = TM.Transformer(
foreground=lambda pos: TM.Color((pos[0] * 25 % 256, 0, 0)),
background=lambda pos: TM.Color((0, 0, (255 - pos[0] * 25) % 256)),
)
aa = StyledSequence(msg, {0: TM.Mark(attributes={"pretransformer": tt})},
text_plane)
aa.render()
sc.update()
yield None
assert sc.data[0, 0].foreground == TM.Color((0, 0, 0))
assert sc.data[0, 0].background == TM.Color((0, 0, 255))
assert sc.data[9, 0].foreground == TM.Color((225, 0, 0))
assert sc.data[9, 0].background == TM.Color((0, 0, 30))
def test_styled_text_anotates_writtings():
sc, sh, text_plane = styled_text()
msg = "Hello World!"
# Special mark callable index uses dependency injection, like TM.Transformers.
m = SpecialMark(index=lambda tick, length: tick % length,
attributes={"color": TM.Color("red")})
m1 = SpecialMark(index=lambda tick, length: (tick + 1) % length,
pop_attributes={"color": None})
# text_plane.marks.special.update(m, m1)
mm = {"special": [m, m1]}
aa = StyledSequence(msg,
mark_sequence=mm,
text_plane=text_plane,
starting_point=(0, 5))
text_plane.render_styled_sequence(aa)
# text_plane[0, 5] = msg
assert text_plane.writtings
assert next(iter(text_plane.writtings)) is aa
def test_styled_text_transformers_inline_end_markup_dont_turn_off_location_based_mark_when_both_are_defined_as_string(
):
sc, sh, text_plane = styled_text()
sc.text.transformers_map["red"] = TM.Transformer(
foreground=lambda: TM.Color("red"))
sc.text.transformers_map["blue"] = TM.Transformer(
background=lambda: TM.Color("blue"))
sc.text[1].marks[3, 0] = TM.Mark(attributes={"pretransformer": "blue"})
sc.text[1][0, 0] = "[transformer: red]012345[/transformer]6789"
sc.update()
yield None
assert sc.data[0, 0].foreground == TM.Color("red")
assert sc.data[3, 0].foreground == TM.Color("red")
assert sc.data[3, 0].background == TM.Color("blue")
assert sc.data[6, 0].foreground == TM.values.DEFAULT_FG
assert sc.data[6, 0].background == TM.Color("blue")
def test_styled_text_transformers_inline_end_markup_turn_off_just_last_transformer(
):
sc, sh, text_plane = styled_text()
sc.text.transformers_map["red"] = TM.Transformer(
foreground=lambda: TM.Color("red"))
sc.text.transformers_map["blue"] = TM.Transformer(
background=lambda: TM.Color("blue"))
sc.text[1][
0,
0] = "[transformer: red]012[transformer: blue]345[/transformer]67[/transformer]89"
sc.update()
yield None
assert sc.data[0, 0].foreground == TM.Color("red")
assert sc.data[3, 0].foreground == TM.Color("red")
assert sc.data[3, 0].background == TM.Color("blue")
assert sc.data[6, 0].foreground == TM.Color("red")
assert sc.data[6, 0].background == TM.values.DEFAULT_BG
assert sc.data[8, 0].foreground == TM.values.DEFAULT_FG
assert sc.data[8, 0].background == TM.values.DEFAULT_BG
def cycle_color(foreground, tick):
if foreground != TM.DEFAULT_FG:
return foreground
return TM.Color(["red", "blue", "yellow", "lime"][tick % 4])
def pixel(pixel):
fg = TM.Color(pixel.foreground)
char = "#*o. "[int((1 - fg.value) * 5)]
fg.value = 1
return char, fg, pixel.background, pixel.effects
class Tr(TM.Transformer):
current_color = TM.Color("yellow")
def foreground(self):
return self.current_color
def new_pixel(value):
return "*", TM.Color("red"), TM.Color("blue"), TM.Effects.underline
@rendering_test
def test_styled_sequence_is_rendered():
sc, sh, text_plane = styled_text()
msg = "Hello World!"
aa = StyledSequence(msg, {}, text_plane)
aa.render()
sc.update()
yield None
for i, char in enumerate(msg):
assert sc.data[i, 0].value == char
@pytest.mark.parametrize(("attrname", "value"), [
(
"color",
TM.Color("red"),
),
(
"background",
TM.Color("green"),
),
("effects", TM.Effects.blink),
])
@pytest.mark.parametrize(*fast_render_mark)
@rendering_test
def test_styled_sequence_is_rendered_with_attribute(attrname, value):
sc, sh, text_plane = styled_text()
msg = "Hello World!"
aa = StyledSequence(msg, {0: Mark(attributes={attrname: value})},
text_plane)
aa.render()
def test_mltokenizer_generates_marks():
x = MLTokenizer("[color: blue]Hello World!")
x.parse()
assert x.parsed_text == "Hello World!"
assert len(x.mark_sequence) == 1
assert x.mark_sequence[0].attributes == {"color": TM.Color("blue")}