shields/test/svg-to-img.spec.js
2017-04-12 23:13:16 +02:00

41 lines
1.1 KiB
JavaScript

const assert = require('assert');
const sinon = require('sinon');
const isPng = require('is-png');
const badge = require('../lib/badge');
const svg2img = require('../lib/svg-to-img.js');
describe('The rasterizer', function () {
let cacheGet;
beforeEach(function () { cacheGet = sinon.spy(svg2img._imgCache, 'get'); });
afterEach(function () { cacheGet.restore(); });
it('should produce PNG', function(done) {
badge({ text: ['cactus', 'grown'], format: 'svg' }, svg => {
svg2img(svg, 'png', (err, data) => {
assert.equal(err, null);
assert.ok(isPng(data));
done();
});
});
});
it('should cache its results', function(done) {
badge({ text: ['will-this', 'be-cached?'], format: 'svg' }, svg => {
svg2img(svg, 'png', (err, data) => {
assert.equal(err, null);
assert.ok(isPng(data));
assert.equal(cacheGet.called, false);
svg2img(svg, 'png', (err, data) => {
assert.equal(err, null);
assert.ok(isPng(data));
assert.ok(cacheGet.calledOnce);
done();
});
});
});
});
});