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1from fontTools import unicodedata
2
3import pytest
4
5
6def test_script():
7    assert unicodedata.script("a") == "Latn"
8    assert unicodedata.script(chr(0)) == "Zyyy"
9    assert unicodedata.script(chr(0x0378)) == "Zzzz"
10    assert unicodedata.script(chr(0x10FFFF)) == "Zzzz"
11
12    # these were randomly sampled, one character per script
13    assert unicodedata.script(chr(0x1E918)) == 'Adlm'
14    assert unicodedata.script(chr(0x1170D)) == 'Ahom'
15    assert unicodedata.script(chr(0x145A0)) == 'Hluw'
16    assert unicodedata.script(chr(0x0607)) == 'Arab'
17    assert unicodedata.script(chr(0x056C)) == 'Armn'
18    assert unicodedata.script(chr(0x10B27)) == 'Avst'
19    assert unicodedata.script(chr(0x1B41)) == 'Bali'
20    assert unicodedata.script(chr(0x168AD)) == 'Bamu'
21    assert unicodedata.script(chr(0x16ADD)) == 'Bass'
22    assert unicodedata.script(chr(0x1BE5)) == 'Batk'
23    assert unicodedata.script(chr(0x09F3)) == 'Beng'
24    assert unicodedata.script(chr(0x11C5B)) == 'Bhks'
25    assert unicodedata.script(chr(0x3126)) == 'Bopo'
26    assert unicodedata.script(chr(0x1103B)) == 'Brah'
27    assert unicodedata.script(chr(0x2849)) == 'Brai'
28    assert unicodedata.script(chr(0x1A0A)) == 'Bugi'
29    assert unicodedata.script(chr(0x174E)) == 'Buhd'
30    assert unicodedata.script(chr(0x18EE)) == 'Cans'
31    assert unicodedata.script(chr(0x102B7)) == 'Cari'
32    assert unicodedata.script(chr(0x1053D)) == 'Aghb'
33    assert unicodedata.script(chr(0x11123)) == 'Cakm'
34    assert unicodedata.script(chr(0xAA1F)) == 'Cham'
35    assert unicodedata.script(chr(0xAB95)) == 'Cher'
36    assert unicodedata.script(chr(0x1F0C7)) == 'Zyyy'
37    assert unicodedata.script(chr(0x2C85)) == 'Copt'
38    assert unicodedata.script(chr(0x12014)) == 'Xsux'
39    assert unicodedata.script(chr(0x1082E)) == 'Cprt'
40    assert unicodedata.script(chr(0xA686)) == 'Cyrl'
41    assert unicodedata.script(chr(0x10417)) == 'Dsrt'
42    assert unicodedata.script(chr(0x093E)) == 'Deva'
43    assert unicodedata.script(chr(0x1BC4B)) == 'Dupl'
44    assert unicodedata.script(chr(0x1310C)) == 'Egyp'
45    assert unicodedata.script(chr(0x1051C)) == 'Elba'
46    assert unicodedata.script(chr(0x2DA6)) == 'Ethi'
47    assert unicodedata.script(chr(0x10AD)) == 'Geor'
48    assert unicodedata.script(chr(0x2C52)) == 'Glag'
49    assert unicodedata.script(chr(0x10343)) == 'Goth'
50    assert unicodedata.script(chr(0x11371)) == 'Gran'
51    assert unicodedata.script(chr(0x03D0)) == 'Grek'
52    assert unicodedata.script(chr(0x0AAA)) == 'Gujr'
53    assert unicodedata.script(chr(0x0A4C)) == 'Guru'
54    assert unicodedata.script(chr(0x23C9F)) == 'Hani'
55    assert unicodedata.script(chr(0xC259)) == 'Hang'
56    assert unicodedata.script(chr(0x1722)) == 'Hano'
57    assert unicodedata.script(chr(0x108F5)) == 'Hatr'
58    assert unicodedata.script(chr(0x05C2)) == 'Hebr'
59    assert unicodedata.script(chr(0x1B072)) == 'Hira'
60    assert unicodedata.script(chr(0x10847)) == 'Armi'
61    assert unicodedata.script(chr(0x033A)) == 'Zinh'
62    assert unicodedata.script(chr(0x10B66)) == 'Phli'
63    assert unicodedata.script(chr(0x10B4B)) == 'Prti'
64    assert unicodedata.script(chr(0xA98A)) == 'Java'
65    assert unicodedata.script(chr(0x110B2)) == 'Kthi'
66    assert unicodedata.script(chr(0x0CC6)) == 'Knda'
67    assert unicodedata.script(chr(0x3337)) == 'Kana'
68    assert unicodedata.script(chr(0xA915)) == 'Kali'
69    assert unicodedata.script(chr(0x10A2E)) == 'Khar'
70    assert unicodedata.script(chr(0x17AA)) == 'Khmr'
71    assert unicodedata.script(chr(0x11225)) == 'Khoj'
72    assert unicodedata.script(chr(0x112B6)) == 'Sind'
73    assert unicodedata.script(chr(0x0ED7)) == 'Laoo'
74    assert unicodedata.script(chr(0xAB3C)) == 'Latn'
75    assert unicodedata.script(chr(0x1C48)) == 'Lepc'
76    assert unicodedata.script(chr(0x1923)) == 'Limb'
77    assert unicodedata.script(chr(0x1071D)) == 'Lina'
78    assert unicodedata.script(chr(0x100EC)) == 'Linb'
79    assert unicodedata.script(chr(0xA4E9)) == 'Lisu'
80    assert unicodedata.script(chr(0x10284)) == 'Lyci'
81    assert unicodedata.script(chr(0x10926)) == 'Lydi'
82    assert unicodedata.script(chr(0x11161)) == 'Mahj'
83    assert unicodedata.script(chr(0x0D56)) == 'Mlym'
84    assert unicodedata.script(chr(0x0856)) == 'Mand'
85    assert unicodedata.script(chr(0x10AF0)) == 'Mani'
86    assert unicodedata.script(chr(0x11CB0)) == 'Marc'
87    assert unicodedata.script(chr(0x11D28)) == 'Gonm'
88    assert unicodedata.script(chr(0xABDD)) == 'Mtei'
89    assert unicodedata.script(chr(0x1E897)) == 'Mend'
90    assert unicodedata.script(chr(0x109B0)) == 'Merc'
91    assert unicodedata.script(chr(0x10993)) == 'Mero'
92    assert unicodedata.script(chr(0x16F5D)) == 'Plrd'
93    assert unicodedata.script(chr(0x1160B)) == 'Modi'
94    assert unicodedata.script(chr(0x18A8)) == 'Mong'
95    assert unicodedata.script(chr(0x16A48)) == 'Mroo'
96    assert unicodedata.script(chr(0x1128C)) == 'Mult'
97    assert unicodedata.script(chr(0x105B)) == 'Mymr'
98    assert unicodedata.script(chr(0x108AF)) == 'Nbat'
99    assert unicodedata.script(chr(0x19B3)) == 'Talu'
100    assert unicodedata.script(chr(0x1143D)) == 'Newa'
101    assert unicodedata.script(chr(0x07F4)) == 'Nkoo'
102    assert unicodedata.script(chr(0x1B192)) == 'Nshu'
103    assert unicodedata.script(chr(0x169C)) == 'Ogam'
104    assert unicodedata.script(chr(0x1C56)) == 'Olck'
105    assert unicodedata.script(chr(0x10CE9)) == 'Hung'
106    assert unicodedata.script(chr(0x10316)) == 'Ital'
107    assert unicodedata.script(chr(0x10A93)) == 'Narb'
108    assert unicodedata.script(chr(0x1035A)) == 'Perm'
109    assert unicodedata.script(chr(0x103D5)) == 'Xpeo'
110    assert unicodedata.script(chr(0x10A65)) == 'Sarb'
111    assert unicodedata.script(chr(0x10C09)) == 'Orkh'
112    assert unicodedata.script(chr(0x0B60)) == 'Orya'
113    assert unicodedata.script(chr(0x104CF)) == 'Osge'
114    assert unicodedata.script(chr(0x104A8)) == 'Osma'
115    assert unicodedata.script(chr(0x16B12)) == 'Hmng'
116    assert unicodedata.script(chr(0x10879)) == 'Palm'
117    assert unicodedata.script(chr(0x11AF1)) == 'Pauc'
118    assert unicodedata.script(chr(0xA869)) == 'Phag'
119    assert unicodedata.script(chr(0x10909)) == 'Phnx'
120    assert unicodedata.script(chr(0x10B81)) == 'Phlp'
121    assert unicodedata.script(chr(0xA941)) == 'Rjng'
122    assert unicodedata.script(chr(0x16C3)) == 'Runr'
123    assert unicodedata.script(chr(0x0814)) == 'Samr'
124    assert unicodedata.script(chr(0xA88C)) == 'Saur'
125    assert unicodedata.script(chr(0x111C8)) == 'Shrd'
126    assert unicodedata.script(chr(0x1045F)) == 'Shaw'
127    assert unicodedata.script(chr(0x115AD)) == 'Sidd'
128    assert unicodedata.script(chr(0x1D8C0)) == 'Sgnw'
129    assert unicodedata.script(chr(0x0DB9)) == 'Sinh'
130    assert unicodedata.script(chr(0x110F9)) == 'Sora'
131    assert unicodedata.script(chr(0x11A60)) == 'Soyo'
132    assert unicodedata.script(chr(0x1B94)) == 'Sund'
133    assert unicodedata.script(chr(0xA81F)) == 'Sylo'
134    assert unicodedata.script(chr(0x0740)) == 'Syrc'
135    assert unicodedata.script(chr(0x1714)) == 'Tglg'
136    assert unicodedata.script(chr(0x1761)) == 'Tagb'
137    assert unicodedata.script(chr(0x1965)) == 'Tale'
138    assert unicodedata.script(chr(0x1A32)) == 'Lana'
139    assert unicodedata.script(chr(0xAA86)) == 'Tavt'
140    assert unicodedata.script(chr(0x116A5)) == 'Takr'
141    assert unicodedata.script(chr(0x0B8E)) == 'Taml'
142    assert unicodedata.script(chr(0x1754D)) == 'Tang'
143    assert unicodedata.script(chr(0x0C40)) == 'Telu'
144    assert unicodedata.script(chr(0x07A4)) == 'Thaa'
145    assert unicodedata.script(chr(0x0E42)) == 'Thai'
146    assert unicodedata.script(chr(0x0F09)) == 'Tibt'
147    assert unicodedata.script(chr(0x2D3A)) == 'Tfng'
148    assert unicodedata.script(chr(0x114B0)) == 'Tirh'
149    assert unicodedata.script(chr(0x1038B)) == 'Ugar'
150    assert unicodedata.script(chr(0xA585)) == 'Vaii'
151    assert unicodedata.script(chr(0x118CF)) == 'Wara'
152    assert unicodedata.script(chr(0xA066)) == 'Yiii'
153    assert unicodedata.script(chr(0x11A31)) == 'Zanb'
154
155
156def test_script_extension():
157    assert unicodedata.script_extension("a") == {"Latn"}
158    assert unicodedata.script_extension(chr(0)) == {"Zyyy"}
159    assert unicodedata.script_extension(chr(0x0378)) == {"Zzzz"}
160    assert unicodedata.script_extension(chr(0x10FFFF)) == {"Zzzz"}
161
162    assert unicodedata.script_extension("\u0660") == {'Arab', 'Thaa', 'Yezi'}
163    assert unicodedata.script_extension("\u0964") == {
164        'Beng', 'Deva', 'Dogr', 'Gong', 'Gonm', 'Gran', 'Gujr', 'Guru', 'Knda',
165        'Mahj', 'Mlym', 'Nand', 'Orya', 'Sind', 'Sinh', 'Sylo', 'Takr', 'Taml',
166        'Telu', 'Tirh'}
167
168
169def test_script_name():
170    assert unicodedata.script_name("Latn") == "Latin"
171    assert unicodedata.script_name("Zyyy") == "Common"
172    assert unicodedata.script_name("Zzzz") == "Unknown"
173    # underscores in long names are replaced by spaces
174    assert unicodedata.script_name("Egyp") == "Egyptian Hieroglyphs"
175
176    with pytest.raises(KeyError):
177        unicodedata.script_name("QQQQ")
178    assert unicodedata.script_name("QQQQ", default="Unknown")
179
180
181def test_script_code():
182    assert unicodedata.script_code("Latin") == "Latn"
183    assert unicodedata.script_code("Common") == "Zyyy"
184    assert unicodedata.script_code("Unknown") == "Zzzz"
185    # case, whitespace, underscores and hyphens are ignored
186    assert unicodedata.script_code("Egyptian Hieroglyphs") == "Egyp"
187    assert unicodedata.script_code("Egyptian_Hieroglyphs") == "Egyp"
188    assert unicodedata.script_code("egyptianhieroglyphs") == "Egyp"
189    assert unicodedata.script_code("Egyptian-Hieroglyphs") == "Egyp"
190
191    with pytest.raises(KeyError):
192        unicodedata.script_code("Does not exist")
193    assert unicodedata.script_code("Does not exist", default="Zzzz") == "Zzzz"
194
195
196def test_block():
197    assert unicodedata.block("\x00") == "Basic Latin"
198    assert unicodedata.block("\x7F") == "Basic Latin"
199    assert unicodedata.block("\x80") == "Latin-1 Supplement"
200    assert unicodedata.block("\u1c90") == "Georgian Extended"
201    assert unicodedata.block("\u0870") == "No_Block"
202
203
204def test_ot_tags_from_script():
205    # simple
206    assert unicodedata.ot_tags_from_script("Latn") == ["latn"]
207    # script mapped to multiple new and old script tags
208    assert unicodedata.ot_tags_from_script("Deva") == ["dev2", "deva"]
209    # exceptions
210    assert unicodedata.ot_tags_from_script("Hira") == ["kana"]
211    # special script codes map to DFLT
212    assert unicodedata.ot_tags_from_script("Zinh") == ["DFLT"]
213    assert unicodedata.ot_tags_from_script("Zyyy") == ["DFLT"]
214    assert unicodedata.ot_tags_from_script("Zzzz") == ["DFLT"]
215    # this is invalid or unknown
216    assert unicodedata.ot_tags_from_script("Aaaa") == ["DFLT"]
217
218
219def test_ot_tag_to_script():
220    assert unicodedata.ot_tag_to_script("latn") == "Latn"
221    assert unicodedata.ot_tag_to_script("kana") == "Kana"
222    assert unicodedata.ot_tag_to_script("DFLT") == None
223    assert unicodedata.ot_tag_to_script("aaaa") == None
224    assert unicodedata.ot_tag_to_script("beng") == "Beng"
225    assert unicodedata.ot_tag_to_script("bng2") == "Beng"
226    assert unicodedata.ot_tag_to_script("dev2") == "Deva"
227    assert unicodedata.ot_tag_to_script("gjr2") == "Gujr"
228    assert unicodedata.ot_tag_to_script("yi  ") == "Yiii"
229    assert unicodedata.ot_tag_to_script("nko ") == "Nkoo"
230    assert unicodedata.ot_tag_to_script("vai ") == "Vaii"
231    assert unicodedata.ot_tag_to_script("lao ") == "Laoo"
232    assert unicodedata.ot_tag_to_script("yi") == "Yiii"
233
234    for invalid_value in ("", " ", "z zz", "zzzzz"):
235        with pytest.raises(ValueError, match="invalid OpenType tag"):
236            unicodedata.ot_tag_to_script(invalid_value)
237
238
239def test_script_horizontal_direction():
240    assert unicodedata.script_horizontal_direction("Latn") == "LTR"
241    assert unicodedata.script_horizontal_direction("Arab") == "RTL"
242    assert unicodedata.script_horizontal_direction("Thaa") == "RTL"
243
244    with pytest.raises(KeyError):
245        unicodedata.script_horizontal_direction("Azzz")
246    assert unicodedata.script_horizontal_direction("Azzz",
247                                                   default="LTR") == "LTR"
248
249
250if __name__ == "__main__":
251    import sys
252    sys.exit(pytest.main(sys.argv))
253