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from ufomerge import merge_ufos, subset_ufo
import pytest
def test_layout_closure(helpers):
ufo2 = helpers.create_ufo_from_features("feature ccmp { sub A A' B' by C; } ccmp;")
ufo1 = subset_ufo(ufo2, glyphs=["A"], layout_handling="ignore")
helpers.assert_glyphset(ufo1, ["A"])
assert ufo1.features.text == ""
ufo1 = subset_ufo(ufo2, glyphs=["A", "B"], layout_handling="closure")
helpers.assert_glyphset(ufo1, ["A", "B", "C"])
def test_ignorable_rule(helpers):
ufo2 = helpers.create_ufo_from_features(
"lookup ccmp1 { sub A B by C; sub A D by E; } ccmp1; feature ccmp { lookup ccmp1; } ccmp;"
)
ufo1 = subset_ufo(ufo2, glyphs=["A", "B"])
helpers.assert_glyphset(ufo1, ["A", "B"])
ufo1 = subset_ufo(ufo2, glyphs=["A", "B"], layout_handling="closure")
helpers.assert_glyphset(ufo1, ["A", "B", "C"])
helpers.assert_features_similar(
ufo1,
"""
lookup ccmp1 {
sub A B by C;
} ccmp1;
feature ccmp {
lookup ccmp1;
} ccmp;
""",
)
def test_pos(helpers):
ufo2 = helpers.create_ufo_from_features(
"lookup kern1 { pos [A B] 120; } kern1; feature kern { lookup kern1; } kern;"
)
ufo1 = subset_ufo(ufo2, glyphs=["A"])
helpers.assert_features_similar(
ufo1,
"""
lookup kern1 {
pos [A] 120;
} kern1;
feature kern {
lookup kern1;
} kern;
""",
)
def test_chain(helpers):
ufo2 = helpers.create_ufo_from_features(
"""
lookup chained { pos A 120; pos B 200; } chained;
lookup chain { pos [A B]' lookup chained [A B C]; } chain;
feature kern { lookup chain; } kern;
"""
)
ufo1 = subset_ufo(ufo2, glyphs=["A", "C"])
helpers.assert_features_similar(
ufo1,
"""
lookup chained {
pos A 120;
} chained;
lookup chain {
pos [A]' lookup chained [A C];
} chain;
feature kern {
lookup chain;
} kern;
""",
)
def test_languagesystems(helpers):
ufo1 = helpers.create_ufo_from_features(
"""
languagesystem latn dflt;
feature ccmp { sub A by B; } ccmp;
"""
)
ufo2 = helpers.create_ufo_from_features(
"""
languagesystem DFLT dflt;
languagesystem dev2 dflt;
languagesystem dev2 NEP;
feature ccmp {
sub ka-deva by sa-deva;
script dev2;
language NEP;
sub ta-deva by kssa-deva;
sub la-deva by kssa-deva;
} ccmp;
"""
)
merge_ufos(ufo1, ufo2, glyphs=["ka-deva", "sa-deva", "kssa-deva", "ta-deva"])
helpers.assert_features_similar(
ufo1,
"""
languagesystem DFLT dflt;
languagesystem latn dflt;
languagesystem dev2 dflt;
languagesystem dev2 NEP;
feature ccmp {
sub A by B;
} ccmp;
feature ccmp {
sub ka-deva by sa-deva;
script dev2;
language NEP;
sub ta-deva by kssa-deva;
} ccmp;
""",
)
def test_drop_contextual_empty_class(helpers):
ufo2 = helpers.create_ufo_from_features(
"""
@DAGESH = [dagesh-hb];
@OFFENDING_PUNCTUATION = [period];
lookup hebrew_mark_resolve_clashing_punctuation {
lookupflag RightToLeft;
pos [vav-hb zayin-hb] @DAGESH @OFFENDING_PUNCTUATION' 60;
} hebrew_mark_resolve_clashing_punctuation;
feature kern {
lookup hebrew_mark_resolve_clashing_punctuation;
} kern;
"""
)
ufo1 = subset_ufo(ufo2, glyphs=["period"])
helpers.assert_features_similar(
ufo1,
"""
@OFFENDING_PUNCTUATION = [period];
@DAGESH = [];""",
)
def test_drop_mark_class(helpers):
ufo2 = helpers.create_ufo_from_features(
"""
@something = [ a c ];
markClass @something <anchor 100 200> @MC_above;
feature mark {
lookup MARK_BASE_above {
@bGC_A_above = [A];
pos base @bGC_A_above <anchor 150 200> mark @MC_above;
} MARK_BASE_above;
} mark;
"""
)
ufo1 = subset_ufo(ufo2, glyphs=["A"])
helpers.assert_features_similar(
ufo1,
"""
@something = [];""",
)
def test_deduplicate_classes(helpers):
ufo2 = helpers.create_ufo_from_features(
"""
@SOMETHING = [a b c];
@SOMETHING_ALT = [a.alt b.alt c.alt];
feature kern {
pos @SOMETHING @SOMETHING_ALT 60;
pos @SOMETHING_ALT @SOMETHING 30;
} kern;
feature locl {
sub @SOMETHING by @SOMETHING_ALT;
} locl;
feature rlig {
lookup bla {
@FOO = [b c];
sub @FOO a' @SOMETHING by b.alt;
} bla;
} rlig;
"""
)
ufo1 = subset_ufo(ufo2, glyphs=["a", "a.alt", "b.alt", "c", "c.alt"])
helpers.assert_features_similar(
ufo1,
"""
@FOO = [c];
@SOMETHING_ALT = [a.alt b.alt c.alt];
@SOMETHING = [a c];
feature kern {
pos @SOMETHING @SOMETHING_ALT 60;
pos @SOMETHING_ALT @SOMETHING 30;
} kern;
feature locl {
sub [a c] by [a.alt c.alt];
} locl;
feature rlig {
lookup bla {
sub @FOO a' @SOMETHING by b.alt;
} bla;
} rlig;
""",
)
def test_cull_unwanted_named_features(helpers) -> None:
ufo1 = helpers.create_ufo([])
ufo2 = helpers.create_ufo(["a", "a.alt", "b"])
ufo2.features.text = """
feature ss01 {
featureNames {
name "Single story a";
};
sub a by a.alt;
} ss01;
"""
merge_ufos(ufo1, ufo2, ["b"])
assert "ss01" not in ufo1.features.text
def test_cull_unwanted_aalt(helpers) -> None:
ufo1 = helpers.create_ufo([])
ufo2 = helpers.create_ufo(["a", "a.alt", "b", "b.alt"])
ufo2.features.text = """
feature ss01 {
featureNames {
name "Single story a";
};
sub a by a.alt;
} ss01;
feature ss02 {
sub b by b.alt;
} ss02;
feature aalt {
feature ss01;
feature ss02;
} aalt;
"""
merge_ufos(ufo1, ufo2, ["b", "b.alt"])
assert "aalt" in ufo1.features.text
assert "ss01" not in ufo1.features.text
assert "ss02" in ufo1.features.text
def test_both_ss_names(helpers) -> None:
ufo1 = helpers.create_ufo(["a", "a.alt", "b"])
ufo1.features.text = """
feature ss01 {
featureNames {
name "Single story a";
};
sub a by a.alt;
} ss01;
"""
ufo2 = helpers.create_ufo(["g", "g.alt"])
ufo2.features.text = """
feature ss02 {
featureNames {
name "Single story g";
};
sub g by g.alt;
} ss02;
"""
merge_ufos(ufo1, ufo2)
assert "ss01" in ufo1.features.text
assert "ss02" in ufo1.features.text
assert "Single story a" in ufo1.features.text
assert "Single story g" in ufo1.features.text
|
