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[varLib.avar] Add roundtrip test

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Fails currently.
This commit is contained in:
Behdad Esfahbod 2024-08-04 15:55:27 -06:00
parent 132654c9e5
commit 8d58f7f730
1 changed files with 68 additions and 45 deletions
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113
Tests/varLib/avar_test.py
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@ -1,51 +1,51 @@
from fontTools.varLib.models import VariationModel
from fontTools.varLib.avar import _pruneLocations
import unittest
import pytest
TESTS = [
(
[
{"wght": 1},
{"wght": 0.5},
],
[
{"wght": 0.5},
],
[
{"wght": 0.5},
],
),
(
[
{"wght": 1, "wdth": 1},
{"wght": 0.5, "wdth": 1},
],
[
{"wght": 1, "wdth": 1},
],
[
{"wght": 1, "wdth": 1},
{"wght": 0.5, "wdth": 1},
],
),
(
[
{"wght": 1},
{"wdth": 1},
{"wght": 0.5, "wdth": 0.5},
],
[
{"wght": 0.5, "wdth": 0.5},
],
[
{"wght": 0.5, "wdth": 0.5},
],
),
]
@pytest.mark.parametrize(
"locations, poles, expected",
[
(
[
{"wght": 1},
{"wght": 0.5},
],
[
{"wght": 0.5},
],
[
{"wght": 0.5},
],
),
(
[
{"wght": 1, "wdth": 1},
{"wght": 0.5, "wdth": 1},
],
[
{"wght": 1, "wdth": 1},
],
[
{"wght": 1, "wdth": 1},
{"wght": 0.5, "wdth": 1},
],
),
(
[
{"wght": 1},
{"wdth": 1},
{"wght": 0.5, "wdth": 0.5},
],
[
{"wght": 0.5, "wdth": 0.5},
],
[
{"wght": 0.5, "wdth": 0.5},
],
),
],
)
@pytest.mark.parametrize("locations, poles, expected", TESTS)
def test_pruneLocations(locations, poles, expected):
axisTags = set()
for location in locations:
@ -54,6 +54,29 @@ def test_pruneLocations(locations, poles, expected):
locations = [{}] + locations
output = _pruneLocations(locations, poles, axisTags)
pruned = _pruneLocations(locations, poles, axisTags)
assert output == expected, (output, expected)
assert pruned == expected, (pruned, expected)
@pytest.mark.parametrize("locations, poles, expected", TESTS)
def test_roundtrip(locations, poles, expected):
axisTags = set()
for location in locations:
axisTags.update(location.keys())
axisTags = sorted(axisTags)
locations = [{}] + locations
expected = [{}] + expected
model1 = VariationModel(locations, axisTags)
model2 = VariationModel(expected, axisTags)
for location in poles:
i = model1.locations.index(location)
support1 = model1.supports[i]
i = model2.locations.index(location)
support2 = model2.supports[i]
assert support1 == support2, (support1, support2)