93 lines
3.4 KiB
JavaScript
93 lines
3.4 KiB
JavaScript
'use strict';
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require('../../support/test-helper');
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var fs = require('fs');
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var assert = require('../../support/assert');
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var testClient = require('./support/test-client');
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var serverOptions = require('./support/ported-server-options');
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describe.skip('render limits', function () {
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var IMAGE_EQUALS_TOLERANCE_PER_MIL = 25;
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var limitsConfig;
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var onTileErrorStrategy;
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before(function () {
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limitsConfig = serverOptions.renderer.mapnik.limits;
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serverOptions.renderer.mapnik.limits = {
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render: 50,
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cacheOnTimeout: false
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};
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onTileErrorStrategy = serverOptions.renderer.onTileErrorStrategy;
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serverOptions.renderer.onTileErrorStrategy = function (err, tile, headers, stats, format, callback) {
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callback(err, tile, headers, stats);
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};
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});
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after(function () {
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serverOptions.renderer.mapnik.limits = limitsConfig;
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serverOptions.renderer.onTileErrorStrategy = onTileErrorStrategy;
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});
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var slowQuery = 'select pg_sleep(1), * from test_table limit 2';
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var slowQueryMapConfig = testClient.singleLayerMapConfig(slowQuery);
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it('slow query/render returns with 400 status', function (done) {
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var options = {
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statusCode: 400,
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serverOptions: serverOptions
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};
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testClient.createLayergroup(slowQueryMapConfig, options, function (err, res) {
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assert.deepEqual(JSON.parse(res.body), { errors: ['Render timed out'] });
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done();
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});
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});
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it('uses onTileErrorStrategy to handle error and modify response', function (done) {
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serverOptions.renderer.onTileErrorStrategy = function (err, tile, headers, stats, format, callback) {
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var fixture = __dirname + '/../../fixtures/limits/fallback.png';
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fs.readFile(fixture, { encoding: 'binary' }, function (err, img) {
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callback(null, img, { 'Content-Type': 'image/png' }, {});
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});
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};
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var options = {
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statusCode: 200,
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contentType: 'image/png',
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serverOptions: serverOptions
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};
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testClient.createLayergroup(slowQueryMapConfig, options, function (err, res) {
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var parsed = JSON.parse(res.body);
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assert.ok(parsed.layergroupid);
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done();
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});
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});
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it('returns a fallback tile that was modified via onTileErrorStrategy', function (done) {
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var fixtureImage = './test/fixtures/limits/fallback.png';
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serverOptions.renderer.onTileErrorStrategy = function (err, tile, headers, stats, format, callback) {
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fs.readFile(fixtureImage, { encoding: null }, function (err, img) {
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callback(null, img, { 'Content-Type': 'image/png' }, {});
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});
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};
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var options = {
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statusCode: 200,
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contentType: 'image/png',
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serverOptions: serverOptions
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};
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testClient.withLayergroup(slowQueryMapConfig, options, function (err, requestTile, finish) {
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var tileUrl = '/0/0/0.png';
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requestTile(tileUrl, options, function (err, res) {
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assert.imageBufferIsSimilarToFile(res.body, fixtureImage, IMAGE_EQUALS_TOLERANCE_PER_MIL,
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function (err) {
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finish(function (finishErr) {
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done(err || finishErr);
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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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});
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