var Blob = require('../'); var expect = require('expect.js'); describe('blob', function() { if (!Blob) { it('should not have a blob or a blob builder in the global namespace, or blob should not be a constructor function if the module exports false', function() { try { var ab = (new Uint8Array(5)).buffer; global.Blob([ab]); expect().fail('Blob shouldn\'t be constructable'); } catch (e) {} var BlobBuilder = global.BlobBuilder || global.WebKitBlobBuilder || global.MSBlobBuilder || global.MozBlobBuilder; expect(BlobBuilder).to.be(undefined); }); } else { it('should encode a proper sized blob when given a string argument', function() { var b = new Blob(['hi']); expect(b.size).to.be(2); }); it('should encode a blob with proper size when given two strings as arguments', function() { var b = new Blob(['hi', 'hello']); expect(b.size).to.be(7); }); it('should encode arraybuffers with right content', function(done) { var ary = new Uint8Array(5); for (var i = 0; i < 5; i++) ary[i] = i; var b = new Blob([ary.buffer]); var fr = new FileReader(); fr.onload = function() { var newAry = new Uint8Array(this.result); for (var i = 0; i < 5; i++) expect(newAry[i]).to.be(i); done(); }; fr.readAsArrayBuffer(b); }); it('should encode typed arrays with right content', function(done) { var ary = new Uint8Array(5); for (var i = 0; i < 5; i++) ary[i] = i; var b = new Blob([ary]); var fr = new FileReader(); fr.onload = function() { var newAry = new Uint8Array(this.result); for (var i = 0; i < 5; i++) expect(newAry[i]).to.be(i); done(); }; fr.readAsArrayBuffer(b); }); it('should encode sliced typed arrays with right content', function(done) { var ary = new Uint8Array(5); for (var i = 0; i < 5; i++) ary[i] = i; var b = new Blob([ary.subarray(2)]); var fr = new FileReader(); fr.onload = function() { var newAry = new Uint8Array(this.result); for (var i = 0; i < 3; i++) expect(newAry[i]).to.be(i + 2); done(); }; fr.readAsArrayBuffer(b); }); it('should encode with blobs', function(done) { var ary = new Uint8Array(5); for (var i = 0; i < 5; i++) ary[i] = i; var b = new Blob([new Blob([ary.buffer])]); var fr = new FileReader(); fr.onload = function() { var newAry = new Uint8Array(this.result); for (var i = 0; i < 5; i++) expect(newAry[i]).to.be(i); done(); }; fr.readAsArrayBuffer(b); }); it('should enode mixed contents to right size', function() { var ary = new Uint8Array(5); for (var i = 0; i < 5; i++) ary[i] = i; var b = new Blob([ary.buffer, 'hello']); expect(b.size).to.be(10); }); it('should accept mime type', function() { var b = new Blob(['hi', 'hello'], { type: 'text/html' }); expect(b.type).to.be('text/html'); }); it('should be an instance of constructor', function() { var b = new Blob(['hi']); expect(b).to.be.a(Blob); expect(b).to.be.a(global.Blob); }); } });