define(["Filer", "util"], function(Filer, util) { // We reuse the same set of tests for all adapters. // buildTestsFor() creates a set of tests bound to an // adapter, and uses the provider set on the query string // (defaults to best available/supported provider, see test-utils.js). function buildTestsFor(adapterName, buildAdapter) { function encode(str) { // TextEncoder is either native, or shimmed by Filer return (new TextEncoder("utf-8")).encode(str); } // Make some string + binary buffer versions of things we'll need var valueStr = "value", valueBuffer = encode(valueStr); var value1Str = "value1", value1Buffer = encode(value1Str); var value2Str = "value2", value2Buffer = encode(value2Str); function createProvider() { return buildAdapter(util.provider().provider); } describe("Filer.FileSystem.adapters." + adapterName, function() { beforeEach(util.setup); afterEach(util.cleanup); it("is supported -- if it isn't, none of these tests can run.", function() { // Allow for combined adapters (e.g., 'Encryption+Compression') joined by '+' adapterName.split('+').forEach(function(name) { expect(Filer.FileSystem.adapters[name].isSupported()).to.be.true; }); }); it("has open, getReadOnlyContext, and getReadWriteContext instance methods", function() { var provider = createProvider(); expect(provider.open).to.be.a('function'); expect(provider.getReadOnlyContext).to.be.a('function'); expect(provider.getReadWriteContext).to.be.a('function'); }); }); describe("open a provider with an " + adapterName + " adapter", function() { beforeEach(util.setup); afterEach(util.cleanup); it("should open a new database", function(done) { var provider = createProvider(); provider.open(function(error, firstAccess) { expect(error).not.to.exist; // NOTE: we test firstAccess logic in the individual provider tests // (see tests/spec/providers/*) but can't easily/actually test it here, // since the provider-agnostic code in test-utils pre-creates a // FileSystem object, thus eating the first access info. // See https://github.com/js-platform/filer/issues/127 done(); }); }); }); describe("Read/Write operations on a provider with an " + adapterName + " adapter", function() { beforeEach(util.setup); afterEach(util.cleanup); it("should allow put() and get()", function(done) { var provider = createProvider(); provider.open(function(error, firstAccess) { if(error) throw error; var context = provider.getReadWriteContext(); context.put("key", valueBuffer, function(error, result) { if(error) throw error; context.get("key", function(error, result) { expect(error).not.to.exist; expect(util.typedArrayEqual(result, valueBuffer)).to.be.true; done(); }); }); }); }); it("should allow delete()", function(done) { var provider = createProvider(); provider.open(function(error, firstAccess) { if(error) throw error; var context = provider.getReadWriteContext(); context.put("key", valueBuffer, function(error, result) { if(error) throw error; context.delete("key", function(error, result) { if(error) throw error; context.get("key", function(error, result) { expect(error).not.to.exist; expect(result).not.to.exist; done(); }); }); }); }); }); it("should allow clear()", function(done) { var provider = createProvider(); provider.open(function(error, firstAccess) { if(error) throw error; var context = provider.getReadWriteContext(); context.put("key1", value1Buffer, function(error, result) { if(error) throw error; context.put("key2", value2Buffer, function(error, result) { if(error) throw error; context.clear(function(err) { if(error) throw error; context.get("key1", function(error, result) { if(error) throw error; expect(result).not.to.exist; context.get("key2", function(error, result) { expect(error).not.to.exist; expect(result).not.to.exist; done(); }); }); }); }); }); }); }); it("should fail when trying to write on ReadOnlyContext", function(done) { var provider = createProvider(); provider.open(function(error, firstAccess) { if(error) throw error; var context = provider.getReadOnlyContext(); context.put("key1", value1Buffer, function(error, result) { expect(error).to.exist; expect(result).not.to.exist; done(); }); }); }); }); } // Encryption buildTestsFor('Encryption', function buildAdapter(provider) { var passphrase = '' + Date.now(); return new Filer.FileSystem.adapters.Encryption(passphrase, provider); }); // Compression buildTestsFor('Compression', function buildAdapter(provider) { return new Filer.FileSystem.adapters.Compression(provider); }); // Encryption + Compression together buildTestsFor('Encryption+Compression', function buildAdapter(provider) { var passphrase = '' + Date.now(); var compression = new Filer.FileSystem.adapters.Compression(provider); var encryptionWithCompression = new Filer.FileSystem.adapters.Encryption(passphrase, compression); return encryptionWithCompression; }); });