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'use strict';
/* jshint node:true */
var test = require('tape');
var mbgl = require('..');
var fs = require('fs');
var path = require('path');
var mkdirp = require('mkdirp');
var PNG = require('pngjs').PNG;
var compare = require('./compare.js');
var suitePath = path.dirname(require.resolve('mapbox-gl-test-suite/package.json'));
function template(name) {
return fs.readFileSync(require.resolve('mapbox-gl-test-suite/templates/' + name + '.html.tmpl')).toString();
}
var results = '';
var resultTemplate = template('result');
function format(tmpl, kwargs) {
return tmpl.replace(/\{\{|\}\}|\{([^}]+)\}/g, function(match, key) {
if (match === '{{') return '{';
if (match === '}}') return '}';
return kwargs[key];
});
}
function renderTest(style, info, base, key) {
var dir = path.join(suitePath, 'tests', base, key);
mkdirp.sync(dir);
return function(t) {
var watchdog = setTimeout(function() {
t.fail('timed out after 20 seconds');
}, 20000);
t.once('end', function() {
clearTimeout(watchdog);
});
var options = {};
options.request = function(req) {
fs.readFile(path.join(suitePath, decodeURIComponent(req.url)), function(err, data) {
req.respond(err, { data: data });
t.error(err);
});
};
options.cancel = function() {};
options.ratio = 1.0;
var map = new mbgl.Map(options);
map.load(style);
map.render(info[key], function(err, data) {
t.error(err);
map.release();
var expected = path.join(dir, 'expected.png');
var actual = path.join(dir, 'actual.png');
var diff = path.join(dir, 'diff.png');
var png = new PNG({
width: data.width,
height: data.height
});
png.data = data.pixels;
if (process.env.UPDATE) {
png.pack()
.pipe(fs.createWriteStream(expected))
.on('finish', t.end);
} else {
png.pack()
.pipe(fs.createWriteStream(actual))
.on('finish', function() {
compare(actual, expected, diff, t, function(err, diff) {
t.error(err);
var allowed = ('diff' in info) ? info.diff : 0.001;
var color = diff <= allowed ? 'green' : 'red';
results += format(resultTemplate, {
name: base,
key: key,
color: color,
error: err ? '<p>' + err + '</p>' : '',
difference: diff,
zoom: info.zoom || 0,
center: info.center || [0, 0],
bearing: info.bearing || 0,
width: info.width || 512,
height: info.height || 512
});
t.ok(diff <= allowed, 'actual matches expected');
t.end();
});
});
}
});
};
}
function rewriteLocalSchema(url) {
var regex = /^local:\/\//;
if (url instanceof Array) {
return url.map(function(str) {
return str.replace(regex, '');
});
} else if (typeof url === "string") {
return url.replace(regex, '');
}
}
var tests;
if (process.argv[1] === __filename) {
tests = process.argv.slice(2);
}
test('Render', function(t) {
fs.readdirSync(path.join(suitePath, 'tests')).forEach(function(dir) {
if (dir === 'index.html' || dir[0] === '.') return;
if (tests && tests.length && tests.indexOf(dir) < 0) return;
var style = require(path.join(suitePath, 'tests', dir, 'style.json')),
info = require(path.join(suitePath, 'tests', dir, 'info.json'));
for (var k in style.sources) {
var source = style.sources[k];
if (source.tiles) {
source.tiles = source.tiles.map(rewriteLocalSchema);
}
if (source.url) {
source.url = rewriteLocalSchema(source.url);
}
}
if (style.sprite) style.sprite = rewriteLocalSchema(style.sprite);
if (style.glyphs) style.glyphs = rewriteLocalSchema(style.glyphs);
style = JSON.stringify(style);
for (k in info) {
(info[k].native === false ? t.skip : t.test)(dir + ' ' + k, renderTest(style, info, dir, k));
}
});
t.test('results', function(t) {
var p = path.join(suitePath, 'tests', 'index.html');
fs.writeFileSync(p, format(template('results'), {results: results}));
console.warn('Results at: ' + p);
t.end();
});
});
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