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instancer_test: add tests for normalizeAxisLimits function

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coverage is now 97%, good enough
This commit is contained in:
Cosimo Lupo 2019-05-30 14:10:26 +01:00
parent 68bbc74a78
commit b0ede1a3c6
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1 changed files with 29 additions and 0 deletions
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29
Tests/varLib/instancer_test.py
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@ -1358,6 +1358,35 @@ def test_parseLimits_invalid(limits):
instancer.parseLimits(limits)
def test_normalizeAxisLimits_tuple(varfont):
normalized = instancer.normalizeAxisLimits(varfont, {"wght": (100, 400)})
assert normalized == {"wght": (-1.0, 0)}
def test_normalizeAxisLimits_no_avar(varfont):
del varfont["avar"]
normalized = instancer.normalizeAxisLimits(varfont, {"wght": (500, 600)})
assert normalized["wght"] == pytest.approx((0.2, 0.4), 1e-4)
def test_normalizeAxisLimits_missing_from_fvar(varfont):
with pytest.raises(ValueError, match="not present in fvar"):
instancer.normalizeAxisLimits(varfont, {"ZZZZ": 1000})
def test_sanityCheckVariableTables(varfont):
font = ttLib.TTFont()
with pytest.raises(ValueError, match="Missing required table fvar"):
instancer.sanityCheckVariableTables(font)
del varfont["glyf"]
with pytest.raises(ValueError, match="Can't have gvar without glyf"):
instancer.sanityCheckVariableTables(varfont)
def test_main(varfont, tmpdir):
fontfile = str(tmpdir / "PartialInstancerTest-VF.ttf")
varfont.save(fontfile)