74 lines
2.5 KiB
Python
74 lines
2.5 KiB
Python
"""倒计时前缀文字位图测试（证据 analysis/web/timedjs2.js:180-236）。"""
|
|
import pytest
|
|
|
|
from ppclock import textbitmap as TB
|
|
|
|
|
|
class TestCharUnits:
|
|
def test_chinese_counts_one(self):
|
|
assert TB.char_units("距离") == 2.0
|
|
|
|
def test_english_counts_half(self):
|
|
assert TB.char_units("ab") == 1.0
|
|
assert TB.char_units("ab中") == 2.0
|
|
assert TB.char_units("a中") == 1.5
|
|
|
|
|
|
class TestBitmap:
|
|
def test_clock_bitmap_size(self):
|
|
"""16px 格：n 个单位 → n*32 字节"""
|
|
bmp = TB.render_text_bitmap("中考", grid=16)
|
|
assert len(bmp) == 2 * 32
|
|
|
|
def test_calendar_bitmap_size(self):
|
|
"""24px 格：n 个单位 → n*72 字节"""
|
|
bmp = TB.render_text_bitmap("中考", grid=24)
|
|
assert len(bmp) == 2 * 72
|
|
|
|
def test_bitmap_not_blank(self):
|
|
bmp = TB.render_text_bitmap("试", grid=16)
|
|
assert any(bmp)
|
|
|
|
def test_grid_must_be_16_or_24(self):
|
|
with pytest.raises(ValueError):
|
|
TB.render_text_bitmap("x", grid=12)
|
|
|
|
|
|
class TestFrames:
|
|
def test_clock_single_pack(self):
|
|
"""≤4 单位：单包 0{n}+位图"""
|
|
frames = TB.prefix_frames("目标", "clock")
|
|
assert len(frames) == 1
|
|
assert frames[0][0:1] == bytes([0x02]) # '0'+2
|
|
assert len(frames[0]) == 1 + 2 * 32
|
|
|
|
def test_clock_two_packs(self):
|
|
""">4 单位：首包 04+128B，次包 0{n}+余量"""
|
|
frames = TB.prefix_frames("距离中考还有", "clock") # 6 单位
|
|
assert len(frames) == 2
|
|
assert frames[0][0] == 0x04
|
|
assert len(frames[0]) == 1 + 128
|
|
assert frames[1][0] == 0x06
|
|
assert len(frames[1]) == 1 + 2 * 32
|
|
|
|
def test_clock_over_8_units_rejected(self):
|
|
with pytest.raises(ValueError):
|
|
TB.prefix_frames("一二三四五六七八九", "clock")
|
|
|
|
def test_calendar_per_char_pack(self):
|
|
"""日历模式：每字一包 990{j}+72B"""
|
|
frames = TB.prefix_frames("中考", "calendar")
|
|
assert len(frames) == 2
|
|
assert frames[0][:2] == bytes([0x99, 0x00])
|
|
assert len(frames[0]) == 2 + 72
|
|
assert frames[1][:2] == bytes([0x99, 0x01])
|
|
|
|
def test_calendar_over_4_units_rejected(self):
|
|
with pytest.raises(ValueError):
|
|
TB.prefix_frames("一二三四五", "calendar")
|
|
|
|
def test_fractional_units_rejected(self):
|
|
"""0.5 单位（英文混排）JS 会产生非法 hex——CLI 拒绝"""
|
|
with pytest.raises(ValueError):
|
|
TB.prefix_frames("a中", "clock")
|