def test_print_oob_left_wide():
buffer = Buffer(10, 1)
buffer.print("你好，世界", -1, 0)
assert_buffer_matches(
buffer,
" 好 ， 世 界 " # extra spaces are shadowed by two-wide chars in terminal
)
def test_blit_blittable():
blittable = SimpleNamespace()
blittable.blit_to = Mock()
blittable.w = 1
blittable.h = 1
buffer = Buffer(1, 1)
buffer.blit(blittable)
assert blittable.blit_to.called
def test_print_fullwidth_shadowing():
buffer = Buffer(4, 1)
buffer.clear(char="X")
buffer.print("你好", 0, 0)
assert buffer.at(0, 0).char == "你"
assert buffer.at(1, 0).char == " "
assert buffer.at(2, 0).char == "好"
assert buffer.at(3, 0).char == " "
def test_drawing_draw_box_negative_dim():
buffer = Buffer(3, 3)
draw_box(buffer, 1, 1, -1, 1, chars=_BOX_CHARS_TEST)
assert_buffer_matches(
buffer,
" ",
" ",
" "
)
def test_drawing_draw_box_one_tall():
buffer = Buffer(5, 3)
draw_box(buffer, 1, 1, 3, 1, chars=_BOX_CHARS_TEST)
assert_buffer_matches(
buffer,
" ",
" ttt ",
" "
)
def test_drawing_draw_vline():
buffer = Buffer(3, 3)
draw_vline(buffer, 1, char="X")
assert_buffer_matches(
buffer,
" X ",
" X ",
" X "
)
def test_drawing_draw_box_one_wide():
buffer = Buffer(3, 5)
draw_box(buffer, 1, 1, 1, 3, chars=_BOX_CHARS_TEST)
assert_buffer_matches(
buffer,
" ",
" l ",
" l ",
" l ",
" "
)
def test_drawing_draw_box():
buffer = Buffer(5, 5)
draw_box(buffer, 1, 1, 3, 3, chars=_BOX_CHARS_TEST)
assert_buffer_matches(
buffer,
" ",
" AtB ",
" l r ",
" CbD ",
" "
)
def test_buffer_fill_char_none():
buffer = Buffer(2, 1)
buffer.at(0, 0).char = "X"
buffer.at(1, 0).char = "Y"
buffer.fill(0, 0, buffer.w, buffer.h, char=None)
assert buffer.at(0, 0).char == "X"
assert buffer.at(1, 0).char == "Y"
def test_drawing_draw_progress_too_small():
buffer = Buffer(2, 1)
draw_progress(
buffer, 0, 0,
w=2,
progress=1/3,
start="[[",
end="]"
)
assert_buffer_matches(
buffer,
" "
)
def test_drawing_draw_progress():
buffer = Buffer(5, 1)
draw_progress(
buffer, 0, 0,
w=5,
progress=1/3,
start="[",
end="]",
bar_char="=",
empty_char="x",
head_chars=">"
)
assert_buffer_matches(
buffer,
"[=>x]"
)
def test_drawing_draw_progress_multi_head():
buffer = Buffer(7, 1)
draw_progress(
buffer, 0, 0,
w=7,
progress=3.35/5,
start="[",
end="]",
bar_char="=",
empty_char="x",
head_chars="0123456789"
)
assert_buffer_matches(
buffer,
"[===3x]"
)
def test_drawing_draw_progress_big_caps():
buffer = Buffer(11, 1)
draw_progress(
buffer, 0, 0,
w=11,
progress=1/3,
start="start",
end="end",
bar_char="=",
empty_char="x",
head_chars=">"
)
assert_buffer_matches(
buffer,
"start=>xend"
)
def test_drawing_draw_spinner():
buffer = Buffer(1, 1)
draw_spinner(buffer, 0, 0, t=0, freq=1/4, frames="0123")
assert buffer.at(0, 0).char == "0"
draw_spinner(buffer, 0, 0, t=1, freq=1/4, frames="0123")
assert buffer.at(0, 0).char == "1"
draw_spinner(buffer, 0, 0, t=5, freq=1/4, frames="0123")
assert buffer.at(0, 0).char == "1"
draw_spinner(buffer, 0, 0, t=7, freq=1/4, frames="0123")
assert buffer.at(0, 0).char == "3"
def test_buffer_clear_char():
buffer = Buffer(2, 1)
buffer.clear(char="X")
assert buffer.at(0, 0).char == "X"
assert buffer.at(1, 0).char == "X"
def test_buffer_fill_char():
buffer = Buffer(2, 1)
buffer.fill(0, 0, buffer.w, buffer.h, char="X")
assert buffer.at(0, 0).char == "X"
assert buffer.at(1, 0).char == "X"
def test_buffer_fill_char_oob():
buffer = Buffer(2, 1)
buffer.fill(-1, -1, buffer.w + 1, buffer.h + 1, char="X")
assert buffer.at(0, 0).char == "X"
assert buffer.at(1, 0).char == "X"
def test_buffer_at_oob_raises():
buffer = Buffer(2, 1)
with pytest.raises(Exception, match="bounds"):
buffer.at(3, 1)
def test_buffer_at_clip():
buffer = Buffer(2, 2)
assert buffer.at(2, 1, clip=True) is buffer.at(1, 1)
assert buffer.at(-1, 0, clip=True) is buffer.at(0, 0)
def test_buffer_at():
buffer = Buffer(2, 2)
assert isinstance(buffer.at(0, 0), PixelData)
def test_buffer_at_distinct():
buffer = Buffer(2, 1)
assert buffer.at(0, 0) is not buffer.at(1, 0)
def test_buffer_in_bounds():
buffer = Buffer(3, 2)
assert buffer.in_bounds(0, 0)
assert buffer.in_bounds(2, 1)
def test_buffer_in_bounds_not():
buffer = Buffer(3, 2)
assert not buffer.in_bounds(3, 1)
assert not buffer.in_bounds(0, -1)
def test_print_newline_line_start():
buffer = Buffer(3, 3)
buffer.print("X\nY", 1, 1, line_start=0)
assert buffer.at(1, 1).char == "X"
assert buffer.at(1, 2).char == " "
assert buffer.at(0, 2).char == "Y"
def source_target_sample_1():
source = Buffer(3, 2)
target = Buffer(2, 2)
source.fill(1, 1, 2, 1, char="S")
target.clear(char="T")
return source, target
def test_print_fullwidth_spacing():
buffer = Buffer(4, 1)
buffer.print("你好", 0, 0)
assert buffer.at(0, 0).char == "你"
assert buffer.at(2, 0).char == "好"
def test_put_char():
buffer = Buffer(2, 2)
buffer.put_char("X", 1, 1)
assert_buffer_matches(buffer, " ", " X")
def test_buffer_resize():
buffer = Buffer(2, 2)
buffer.resize(4, 3)
assert buffer.w == 4
assert buffer.h == 3
def test_put_char_fullwidth():
buffer = Buffer(2, 1)
buffer.put_char("人", 0, 0)
assert_buffer_matches(buffer, "人 ")
def test_blit_buffer():
source = Buffer(2, 1)
target = Buffer(2, 2)
target.clear(char="T")
source.at(0, 0).char = "X"
source.at(1, 0).char = "Y"
target.blit(source, y=1)
assert target.at(0, 0).char == "T"
assert target.at(1, 0).char == "T"
assert target.at(0, 1).char == "X"
assert target.at(1, 1).char == "Y"