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add test_converters.py
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@anthrotype
anthrotype committed Nov 19, 2021
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from __future__ import annotations

from typing import Any

import pytest
from fontTools.misc.transform import Transform

from ufoLib2.constants import DATA_LIB_KEY
from ufoLib2.converters import json_converter
from ufoLib2.objects import (
Anchor,
Component,
Contour,
DataSet,
Font,
Glyph,
Guideline,
Image,
ImageSet,
Info,
Kerning,
Layer,
LayerSet,
Lib,
Point,
)
from ufoLib2.objects.info import GaspBehavior, GaspRangeRecord, NameRecord, WidthClass


@pytest.mark.parametrize(
"obj, expected",
[
(Anchor(0, 0), {"x": 0, "y": 0}),
(
Anchor(1, -2, "top", "1,0,0,1", "01234"),
{"x": 1, "y": -2, "name": "top", "color": "1,0,0,1", "identifier": "01234"},
),
(Point(0, 0), {"x": 0, "y": 0}),
(
Point(1.5, -2.1, "qcurve", True, "foobar", "12345"),
{
"x": 1.5,
"y": -2.1,
"type": "qcurve",
"smooth": True,
"name": "foobar",
"identifier": "12345",
},
),
(Component("a"), {"baseGlyph": "a"}),
(
Component("b", Transform(1, 0, 0, 0.5, 10, 20), "abcd1234"),
{
"baseGlyph": "b",
"transformation": (1, 0, 0, 0.5, 10, 20),
"identifier": "abcd1234",
},
),
(Contour(), {}),
(
Contour([Point(0, 0), Point(1, 2)], "zzzz"),
{"points": [{"x": 0, "y": 0}, {"x": 1, "y": 2}], "identifier": "zzzz"},
),
(Image(), {}),
(
Image("path/to/image.png", Transform(2, 0, 0, 2, 0, 0), "1,1,1,1"),
{
"fileName": "path/to/image.png",
"transformation": (2, 0, 0, 2, 0, 0),
"color": "1,1,1,1",
},
),
(Lib(), {}),
(Lib(foo="bar"), {"foo": "bar"}),
(Lib(foo=[1, 2], bar={"baz": 3}), {"foo": [1, 2], "bar": {"baz": 3}}),
(
Lib(foo={"bar": b"baz"}, oof=[b"rab", "zab"]),
{
"foo": {
"bar": {"data": "YmF6", "type": DATA_LIB_KEY},
},
"oof": [
{"data": "cmFi", "type": DATA_LIB_KEY},
"zab",
],
},
),
(Guideline(x=0, name="foo"), {"x": 0, "name": "foo"}),
(Guideline(y=1, name="bar"), {"y": 1, "name": "bar"}),
(
Guideline(
x=1, y=2, angle=45.0, name="baz", color="0,1,0.5,1", identifier="0001"
),
{
"x": 1,
"y": 2,
"angle": 45.0,
"name": "baz",
"color": "0,1,0.5,1",
"identifier": "0001",
},
),
(Glyph(), {}),
(
Glyph(
"a",
width=1000,
height=800,
unicodes=[97],
lib=Lib(foo=b"bar"),
note="Latin lowercase 'a'",
anchors=[Anchor(100, 200, "top"), Anchor(100, -50, "bottom")],
contours=[
Contour(
[Point(0, 0, "line"), Point(1, 1, "line"), Point(1, 0, "line")]
),
Contour(
[
Point(2, 2, "move"),
Point(3, 2),
Point(4, 1),
Point(4, -1, "curve"),
]
),
],
guidelines=[Guideline(x=10)],
),
{
"name": "a",
"width": 1000,
"height": 800,
"unicodes": [97],
"lib": {"foo": {"data": "YmFy", "type": DATA_LIB_KEY}},
"note": "Latin lowercase 'a'",
"anchors": [
{"name": "top", "x": 100, "y": 200},
{"name": "bottom", "x": 100, "y": -50},
],
"contours": [
{
"points": [
{"x": 0, "y": 0, "type": "line"},
{"x": 1, "y": 1, "type": "line"},
{"x": 1, "y": 0, "type": "line"},
]
},
{
"points": [
{"x": 2, "y": 2, "type": "move"},
{"x": 3, "y": 2},
{"x": 4, "y": 1},
{"x": 4, "y": -1, "type": "curve"},
]
},
],
"guidelines": [{"x": 10}],
},
),
(Kerning(), {}),
(
Kerning({("a", "b"): -10, ("a", "d"): 5, ("b", "d"): 0}),
{"a": {"b": -10, "d": 5}, "b": {"d": 0}},
),
(
Info(
familyName="Test",
styleName="Bold",
versionMajor=2,
versionMinor=1,
unitsPerEm=1000,
guidelines=[Guideline(y=500, name="x-height")],
openTypeGaspRangeRecords=[
GaspRangeRecord(
rangeMaxPPEM=18,
rangeGaspBehavior=[GaspBehavior.SYMMETRIC_SMOOTHING],
)
],
openTypeHeadFlags=[0, 1, 2],
openTypeNameRecords=[
NameRecord(
nameID=5,
platformID=0,
encodingID=0,
languageID=0,
string="Version 2.1",
)
],
openTypeOS2WidthClass=WidthClass.MEDIUM,
postscriptBlueScale=0.25,
),
{
"familyName": "Test",
"styleName": "Bold",
"versionMajor": 2,
"versionMinor": 1,
"unitsPerEm": 1000,
"guidelines": [{"y": 500, "name": "x-height"}],
"openTypeGaspRangeRecords": [
{"rangeMaxPPEM": 18, "rangeGaspBehavior": [3]},
],
"openTypeHeadFlags": [0, 1, 2],
"openTypeNameRecords": [
{
"nameID": 5,
"platformID": 0,
"encodingID": 0,
"languageID": 0,
"string": "Version 2.1",
}
],
"openTypeOS2WidthClass": 5,
"postscriptBlueScale": 0.25,
},
),
(Layer(), {}),
(
Layer(
name="foreground",
glyphs={"a": Glyph("a"), "b": Glyph("b")},
color="1,0,1,1",
lib=Lib(foobar=0.1),
),
{
"name": "foreground",
"glyphs": {"a": {"name": "a"}, "b": {"name": "b"}},
"color": "1,0,1,1",
"lib": {"foobar": 0.1},
},
),
(LayerSet.default(), {"layers": [{}]}),
(
LayerSet.from_iterable(
[Layer("foreground"), Layer("background")],
defaultLayerName="foreground",
),
{
"layers": [{"name": "foreground"}, {"name": "background"}],
"defaultLayerName": "foreground",
},
),
(DataSet(), {}),
(DataSet({"foo": b"bar"}), {"foo": "YmFy"}),
(ImageSet(), {}),
(ImageSet({"foo": b"bar"}), {"foo": "YmFy"}),
(Font(), {}),
(
Font(
layers=LayerSet.from_iterable([Layer(glyphs={"a": Glyph("a")})]),
info=Info(familyName="Test"),
features="languagesystem DFLT dflt;",
groups={"LOWERCASE": ["a"]},
kerning={("a", "a"): 10},
lib={"foo": "bar"},
data={"baz": b"\0"},
images={"foobarbaz": b"\0"},
),
{
"layers": {"layers": [{"glyphs": {"a": {"name": "a"}}}]},
"info": {"familyName": "Test"},
"features": "languagesystem DFLT dflt;",
"groups": {"LOWERCASE": ["a"]},
"kerning": {"a": {"a": 10}},
"lib": {"foo": "bar"},
"data": {"baz": "AA=="},
"images": {"foobarbaz": "AA=="},
},
),
],
)
def test_unstructure_structure(obj: Any, expected: dict[str, Any]) -> None:
assert json_converter.unstructure(obj) == expected
assert json_converter.structure(expected, type(obj)) == obj

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