node-fontnik/test/fontnik.test.js
2018-06-27 12:33:07 -07:00

268 lines
9.1 KiB
JavaScript

'use strict';
/* jshint node: true */
var fontnik = require('..');
var test = require('tape');
var fs = require('fs');
var path = require('path');
var zlib = require('zlib');
var zdata = fs.readFileSync(__dirname + '/fixtures/range.0.256.pbf');
var Protobuf = require('pbf');
var Glyphs = require('./format/glyphs');
var UPDATE = process.env.UPDATE;
function nobuffer(key, val) {
return key !== '_buffer' && key !== 'bitmap' ? val : undefined;
}
function jsonEqual(t, key, json) {
if (UPDATE) fs.writeFileSync(__dirname + '/expected/' + key + '.json', JSON.stringify(json, null, 2));
t.deepEqual(json, require('./expected/' + key + '.json'));
}
var expected = JSON.parse(fs.readFileSync(__dirname + '/expected/load.json').toString());
var firasans = fs.readFileSync(path.resolve(__dirname + '/../fonts/firasans-medium/FiraSans-Medium.ttf'));
var opensans = fs.readFileSync(path.resolve(__dirname + '/../fonts/open-sans/OpenSans-Regular.ttf'));
var invalid_no_family = fs.readFileSync(path.resolve(__dirname + '/fixtures/fonts-invalid/1c2c3fc37b2d4c3cb2ef726c6cdaaabd4b7f3eb9.ttf'));
var guardianbold = fs.readFileSync(path.resolve(__dirname + '/../fonts/GuardianTextSansWeb/GuardianTextSansWeb-Bold.ttf'));
var osaka = fs.readFileSync(path.resolve(__dirname + '/../fonts/osaka/Osaka.ttf'));
test('load', function(t) {
t.test('loads: Fira Sans', function(t) {
fontnik.load(firasans, function(err, faces) {
t.error(err);
t.equal(faces[0].points.length, 789);
t.equal(faces[0].family_name, 'Fira Sans');
t.equal(faces[0].style_name, 'Medium');
t.end();
});
});
t.test('loads: Open Sans', function(t) {
fontnik.load(opensans, function(err, faces) {
t.error(err);
t.equal(faces[0].points.length, 882);
t.equal(faces[0].family_name, 'Open Sans');
t.equal(faces[0].style_name, 'Regular');
t.end();
});
});
t.test('loads: Guardian Bold', function(t) {
fontnik.load(guardianbold, function(err, faces) {
t.error(err);
t.equal(faces[0].points.length, 227);
t.equal(faces[0].hasOwnProperty('family_name'), true);
t.equal(faces[0].family_name, '?');
t.equal(faces[0].hasOwnProperty('style_name'), false);
t.equal(faces[0].style_name, undefined);
t.end();
});
});
t.test('loads: Osaka', function(t) {
fontnik.load(osaka, function(err, faces) {
t.error(err);
t.equal(faces[0].family_name, 'Osaka');
t.equal(faces[0].style_name, 'Regular');
t.end();
});
});
t.test('invalid arguments', function(t) {
t.throws(function() {
fontnik.load();
}, /First argument must be a font buffer/);
t.throws(function() {
fontnik.load({});
}, /First argument must be a font buffer/);
t.end();
});
t.test('non existent font loading', function(t) {
var doesnotexistsans = Buffer.from('baloney');
fontnik.load(doesnotexistsans, function(err, faces) {
t.ok(err.message.indexOf('Font buffer is not an object'));
t.end();
});
});
t.test('load typeerror callback', function(t) {
t.throws(function() {
fontnik.load(firasans);
}, /Callback must be a function/);
t.end();
});
t.test('load font with no family name', function(t) {
fontnik.load(invalid_no_family, function(err, faces) {
t.ok(err.message.indexOf('font does not have family_name') > -1);
t.equal(faces,undefined);
t.end();
});
});
});
test('range', function(t) {
var data;
zlib.inflate(zdata, function(err, d) {
if (err) throw err;
data = d;
});
t.test('ranges', function(t) {
fontnik.range({font: opensans, start: 0, end: 256}, function(err, res) {
t.error(err);
t.ok(data);
var zpath = __dirname + '/fixtures/range.0.256.pbf';
function compare() {
zlib.inflate(fs.readFileSync(zpath), function(err, inflated) {
t.error(err);
t.deepEqual(data, inflated);
var vt = new Glyphs(new Protobuf(new Uint8Array(data)));
var json = JSON.parse(JSON.stringify(vt, nobuffer));
jsonEqual(t, 'range', json);
t.end();
});
}
if (UPDATE) {
zlib.deflate(data, function(err, zdata) {
t.error(err);
fs.writeFileSync(zpath, zdata);
compare();
});
} else {
compare();
}
});
});
t.test('longrange', function(t) {
fontnik.range({font: opensans, start: 0, end: 1024}, function(err, data) {
t.error(err);
t.ok(data);
t.end();
});
});
t.test('shortrange', function(t) {
fontnik.range({font: opensans, start: 34, end: 38}, function(err, res) {
t.error(err);
var vt = new Glyphs(new Protobuf(new Uint8Array(res)));
t.equal(vt.stacks.hasOwnProperty('Open Sans Regular'), true);
var codes = Object.keys(vt.stacks['Open Sans Regular'].glyphs);
t.deepEqual(codes, ['34','35','36','37','38']);
t.end();
});
});
t.test('invalid arguments', function(t) {
t.throws(function() {
fontnik.range();
}, /First argument must be an object of options/);
t.throws(function() {
fontnik.range({font:'not an object'}, function(err, data) {});
}, /Font buffer is not an object/);
t.throws(function() {
fontnik.range({font:{}}, function(err, data) {});
}, /First argument must be a font buffer/);
t.end();
});
t.test('range filepath does not exist', function(t) {
var doesnotexistsans = Buffer.from('baloney');
fontnik.range({font: doesnotexistsans, start: 0, end: 256}, function(err, faces) {
t.ok(err);
t.equal(err.message, 'could not open font');
t.end();
});
});
t.test('range invalid font with no family name', function(t) {
fontnik.range({font: invalid_no_family, start: 0, end: 256}, function(err, faces) {
t.ok(err);
t.equal(err.message, 'font does not have family_name');
t.end();
});
});
t.test('range typeerror start', function(t) {
t.throws(function() {
fontnik.range({font: opensans, start: 'x', end: 256}, function(err, data) {});
}, /option `start` must be a number from 0-65535/);
t.throws(function() {
fontnik.range({font: opensans, start: -3, end: 256}, function(err, data) {});
}, /option `start` must be a number from 0-65535/);
t.end();
});
t.test('range typeerror end', function(t) {
t.throws(function() {
fontnik.range({font: opensans, start: 0, end: 'y'}, function(err, data) {});
}, /option `end` must be a number from 0-65535/);
t.throws(function() {
fontnik.range({font: opensans, start: 0, end: 10000000}, function(err, data) {});
}, /option `end` must be a number from 0-65535/);
t.end();
});
t.test('range typeerror lt', function(t) {
t.throws(function() {
fontnik.range({font: opensans, start: 256, end: 0}, function(err, data) {});
}, /`start` must be less than or equal to `end`/);
t.end();
});
t.test('range typeerror callback', function(t) {
t.throws(function() {
fontnik.range({font: opensans, start: 0, end: 256}, '');
}, /Callback must be a function/);
t.throws(function() {
fontnik.range({font: opensans, start: 0, end: 256});
}, /Callback must be a function/);
t.end();
});
t.test('range with undefined style_name', function(t) {
fontnik.range({font: guardianbold, start: 0, end: 256}, function(err, data) {
t.error(err);
var vt = new Glyphs(new Protobuf(new Uint8Array(data)));
t.equal(vt.stacks.hasOwnProperty('?'), true);
t.equal(vt.stacks['?'].hasOwnProperty('name'), true);
t.equal(vt.stacks['?'].name, '?');
t.end();
});
});
t.test('range with osaka', function(t) {
fontnik.range({font: osaka, start:0, end: 256}, function(err, data) {
t.error(err);
var vt = new Glyphs(new Protobuf(new Uint8Array(data)));
var glyphs = vt.stacks['Osaka Regular'].glyphs;
var keys = Object.keys(glyphs);
var glyph;
for (var i = 0; i < keys.length; i++) {
glyph = glyphs[keys[i]];
t.deepEqual(Object.keys(glyph), ['id', 'width', 'height', 'left', 'top', 'advance']);
t.equal(glyph.width, 0);
t.equal(glyph.height, 0);
}
t.end();
});
});
});