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render-sync.test.js
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"use strict";
var mapnik = require('../');
var assert = require('assert');
var exists = require('fs').existsSync || require('path').existsSync;
var helper = require('./support/helper');
var path = require('path');
mapnik.register_datasource(path.join(mapnik.settings.paths.input_plugins,'shape.input'));
describe('mapnik sync rendering', function() {
it('should clear marker cache', function() {
assert.equal(mapnik.clearCache(), undefined);
});
it('should render - png (default)', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
// Test some bad parameter passings
assert.throws(function() { map.renderSync(null); });
assert.throws(function() { map.renderSync({format:null}); });
assert.throws(function() { map.renderSync({palette:null}); });
assert.throws(function() { map.renderSync({palette:{}}); });
assert.throws(function() { map.renderSync({scale:null}); });
assert.throws(function() { map.renderSync({scale_denominator:null}); });
assert.throws(function() { map.renderSync({buffer_size:null}); });
var out = map.renderSync();
assert.ok(out);
});
it('should render - tiff', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
var out = map.renderSync({format:'tiff'});
assert.ok(out);
});
it('should render - scale', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
var out = map.renderSync({scale:2});
assert.ok(out);
});
it('should render - scale_denominator', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
var out = map.renderSync({scale_denominator:2});
assert.ok(out);
});
it('should render - buffer_size', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
var out = map.renderSync({buffer_size:2});
assert.ok(out);
});
it('should fail to render - png', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
map.srs = 'pie';
assert.throws(function() { map.renderSync(); });
});
it('should render to a file', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
var filename = helper.filename();
var layers = map.layers();
assert.equal(layers[0].describe().styles[0], 'style');
// Test some bad parameter passings
assert.throws(function() { map.renderFileSync(); });
assert.throws(function() { map.renderFileSync(1); });
assert.throws(function() { map.renderFileSync(filename,2,3); });
assert.throws(function() { map.renderFileSync(filename, null); });
assert.throws(function() { map.renderFileSync(filename, {format:null}); });
assert.throws(function() { map.renderFileSync(filename, {palette:null}); });
assert.throws(function() { map.renderFileSync(filename, {palette:{}}); });
assert.throws(function() { map.renderFileSync(filename, {scale:null}); });
assert.throws(function() { map.renderFileSync(filename, {scale_denominator:null}); });
assert.throws(function() { map.renderFileSync(filename, {buffer_size:null}); });
assert.throws(function() { map.renderFileSync('test/data/tmp', {format:''}); });
map.renderFileSync(filename);
assert.ok(exists(filename));
});
it('should fail render to a file', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
var layers = map.layers();
map.srs = 'pie';
layers[0].srs = 'pizza';
var filename = helper.filename();
assert.throws(function() { map.renderFileSync(filename, {format:''}); });
});
it('should render to a file - empty format', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
var filename = helper.filename();
map.renderFileSync(filename, {format:''});
assert.ok(exists(filename));
});
it('should render to a file - tiff', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
var filename = helper.filename();
map.renderFileSync(filename, {format:'tiff'});
assert.ok(exists(filename));
});
if (mapnik.supports.cairo) {
it('should render to a file - pdf', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
var filename = helper.filename();
map.renderFileSync(filename, {format:'pdf'});
assert.ok(exists(filename));
});
} else {
it.skip('should render to a file - pdf', function() { });
}
it('should render to a file - scale', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
var filename = helper.filename();
map.renderFileSync(filename, {scale:2});
assert.ok(exists(filename));
});
it('should render to a file - scale_denominator', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
var filename = helper.filename();
map.renderFileSync(filename, {scale_denominator:2});
assert.ok(exists(filename));
});
it('should render to a file - buffer_size', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
map.zoomAll();
var filename = helper.filename();
map.renderFileSync(filename, {buffer_size:2});
assert.ok(exists(filename));
});
it('should render to a file - zoom to box', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
assert.throws(function() { map.zoomToBox(1); });
assert.throws(function() { map.zoomToBox(1,2,3); });
assert.throws(function() { map.zoomToBox('1',2,3,4); });
map.zoomToBox([10,10,11,11]);
map.zoomToBox(10,10,11,11);
var filename = helper.filename();
map.renderFileSync(filename);
assert.ok(exists(filename));
});
it('should fail to zoomAll properly - throwing exception', function() {
var map = new mapnik.Map(256, 256);
map.loadSync('./test/stylesheet.xml');
var layer = map.layers();
map.srs = 'pie';
layer[0].srs = 'pizza';
assert.throws(function() { map.zoomAll(); });
});
});