95 lines
3.4 KiB
JavaScript
95 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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