xref: /aosp_15_r20/external/fonttools/Tests/ttLib/main_test.py (revision e1fe3e4ad2793916b15cccdc4a7da52a7e1dd0e9) 
1import subprocess
2import sys
3import tempfile
4from pathlib import Path
5
6from fontTools.ttLib import __main__, TTFont, TTCollection
7
8import pytest
9
10
11TEST_DATA = Path(__file__).parent / "data"
12
13
14@pytest.fixture
15def ttfont_path():
16    font = TTFont()
17    font.importXML(TEST_DATA / "TestTTF-Regular.ttx")
18    with tempfile.NamedTemporaryFile(suffix=".ttf", delete=False) as fp:
19        font_path = Path(fp.name)
20        font.save(font_path)
21    yield font_path
22    font_path.unlink()
23
24
25@pytest.fixture
26def ttcollection_path():
27    font1 = TTFont()
28    font1.importXML(TEST_DATA / "TestTTF-Regular.ttx")
29    font2 = TTFont()
30    font2.importXML(TEST_DATA / "TestTTF-Regular.ttx")
31    coll = TTCollection()
32    coll.fonts = [font1, font2]
33    with tempfile.NamedTemporaryFile(suffix=".ttf", delete=False) as fp:
34        collection_path = Path(fp.name)
35        coll.save(collection_path)
36    yield collection_path
37    collection_path.unlink()
38
39
40@pytest.fixture(params=[None, "woff"])
41def flavor(request):
42    return request.param
43
44
45def test_ttLib_main_as_subprocess(ttfont_path):
46    subprocess.run(
47        [sys.executable, "-m", "fontTools.ttLib", str(ttfont_path)], check=True
48    )
49
50
51def test_ttLib_open_ttfont(ttfont_path):
52    __main__.main([str(ttfont_path)])
53
54
55def test_ttLib_open_save_ttfont(tmp_path, ttfont_path, flavor):
56    output_path = tmp_path / "TestTTF-Regular.ttf"
57    args = ["-o", str(output_path), str(ttfont_path)]
58    if flavor is not None:
59        args.extend(["--flavor", flavor])
60
61    __main__.main(args)
62
63    assert output_path.exists()
64    assert TTFont(output_path).getGlyphOrder() == TTFont(ttfont_path).getGlyphOrder()
65
66
67def test_ttLib_open_ttcollection(ttcollection_path):
68    __main__.main(["-y", "0", str(ttcollection_path)])
69
70
71def test_ttLib_open_ttcollection_save_single_font(tmp_path, ttcollection_path, flavor):
72    for i in range(2):
73        output_path = tmp_path / f"TestTTF-Regular#{i}.ttf"
74        args = ["-y", str(i), "-o", str(output_path), str(ttcollection_path)]
75        if flavor is not None:
76            args.extend(["--flavor", flavor])
77
78        __main__.main(args)
79
80        assert output_path.exists()
81        assert (
82            TTFont(output_path).getGlyphOrder()
83            == TTCollection(ttcollection_path)[i].getGlyphOrder()
84        )
85
86
87def test_ttLib_open_ttcollection_save_ttcollection(tmp_path, ttcollection_path):
88    output_path = tmp_path / "TestTTF.ttc"
89
90    __main__.main(["-o", str(output_path), str(ttcollection_path)])
91
92    assert output_path.exists()
93    assert len(TTCollection(output_path)) == len(TTCollection(ttcollection_path))
94
95
96def test_ttLib_open_multiple_fonts_save_ttcollection(tmp_path, ttfont_path):
97    output_path = tmp_path / "TestTTF.ttc"
98
99    __main__.main(["-o", str(output_path), str(ttfont_path), str(ttfont_path)])
100
101    assert output_path.exists()
102
103    coll = TTCollection(output_path)
104    assert len(coll) == 2
105    assert coll[0].getGlyphOrder() == coll[1].getGlyphOrder()
106