126 lines
3.7 KiB
JavaScript
126 lines
3.7 KiB
JavaScript
'use strict';
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/* jshint node: true */
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var test = require('tape').test;
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var mbgl = require('../../../..');
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var fs = require('fs');
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var path = require('path');
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var mkdirp = require('mkdirp');
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var http = require('http');
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var request = require('request');
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var st = require('st');
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var style = require('../fixtures/style.json');
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var PNG = require('pngjs').PNG;
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var compare = require('../compare.js');
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var server = http.createServer(st({ path: path.join(__dirname, '..') }));
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server.listen(0);
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function filePath(name) {
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return ['expected', 'actual', 'diff'].reduce(function(prev, key) {
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var dir = path.join(__dirname, '..', key, 'gzip');
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mkdirp.sync(dir);
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prev[key] = path.join(dir, name);
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return prev;
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}, {});
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}
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function setup(options, callback) {
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callback(new mbgl.Map(options));
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}
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function getOptions(gzip, t) {
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return {
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request: function(req) {
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var parts = req.url.split('.');
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var filetype = parts[parts.length - 1];
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request({
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url: 'http://localhost:' + server.address().port + path.join('/', req.url),
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encoding: null,
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gzip: filetype === 'pbf' ? gzip : true,
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headers: {
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'Accept-Encoding': 'gzip'
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}
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}, function (err, res, body) {
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t.error(err);
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var response = {};
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response.data = res.body;
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req.respond(null, response);
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});
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},
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ratio: 1.0
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};
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}
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test('gzip', function(t) {
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t.test('success', function(t) {
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mbgl.on('message', function(msg) {
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if (msg.severity == 'ERROR') t.error(msg);
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});
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setup(getOptions(true, t), function(map) {
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map.load(style);
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map.render({}, function(err, data) {
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mbgl.removeAllListeners('message');
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map.release();
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t.error(err);
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var filename = filePath('success.png');
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var png = new PNG({
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width: data.width,
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height: data.height
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});
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png.data = data.pixels;
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if (process.env.UPDATE) {
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png.pack()
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.pipe(fs.createWriteStream(filename.expected))
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.on('finish', t.end);
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} else {
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png.pack()
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.pipe(fs.createWriteStream(filename.actual))
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.on('finish', function() {
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compare(filename.actual, filename.expected, filename.diff, t, function(err, diff) {
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t.error(err);
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t.ok(diff <= 0.01, 'actual matches expected');
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t.end();
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});
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});
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}
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});
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});
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});
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t.test('unhandled', function(t) {
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mbgl.once('message', function(msg) {
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if (msg.severity == 'ERROR') {
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t.ok(msg, 'emits error');
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t.equal(msg.class, 'Style');
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t.equal(msg.severity, 'ERROR');
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t.ok(msg.text.match(/pbf unknown field type exception/), 'error text matches');
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}
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});
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setup(getOptions(false, t), function(map) {
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map.load(style);
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map.render({}, function(err, data) {
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map.release();
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t.ok(err, 'returns error');
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t.ok(err.message.match(/Failed to parse/), 'error text matches');
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t.end();
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});
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});
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});
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t.test('teardown', function(t) {
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server.close(t.end);
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});
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});
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