localForage/test/test.datatypes.js

522 lines
20 KiB
JavaScript

/* global before:true, beforeEach:true, describe:true, expect:true, it:true, Modernizr:true */
var DRIVERS = [
localforage.INDEXEDDB,
localforage.LOCALSTORAGE,
localforage.WEBSQL
];
DRIVERS.forEach(function(driverName) {
if ((!Modernizr.indexeddb && driverName === localforage.INDEXEDDB) ||
(!Modernizr.localstorage && driverName === localforage.LOCALSTORAGE) ||
(!Modernizr.websqldatabase && driverName === localforage.WEBSQL)) {
// Browser doesn't support this storage library, so we exit the API
// tests.
return;
}
describe('Type handler for ' + driverName, function() {
'use strict';
before(function(done) {
localforage.setDriver(driverName).then(done);
});
beforeEach(function(done) {
localforage.clear(done);
});
it('saves a string [callback]', function(done) {
localforage.setItem('office', 'Initech', function(err, setValue) {
expect(setValue).to.be('Initech');
localforage.getItem('office', function(err, value) {
expect(value).to.be(setValue);
done();
});
});
});
it('saves a string [promise]', function(done) {
localforage.setItem('office', 'Initech').then(function(setValue) {
expect(setValue).to.be('Initech');
return localforage.getItem('office');
}).then(function(value) {
expect(value).to.be('Initech');
done();
});
});
it('saves a number [callback]', function(done) {
localforage.setItem('number', 546, function(err, setValue) {
expect(setValue).to.be(546);
expect(setValue).to.be.a('number');
localforage.getItem('number', function(err, value) {
expect(value).to.be(setValue);
expect(value).to.be.a('number');
done();
});
});
});
it('saves a number [promise]', function(done) {
localforage.setItem('number', 546).then(function(setValue) {
expect(setValue).to.be(546);
expect(setValue).to.be.a('number');
return localforage.getItem('number');
}).then(function(value) {
expect(value).to.be(546);
expect(value).to.be.a('number');
done();
});
});
it('saves a boolean [callback]', function(done) {
localforage.setItem('boolean', false, function(err, setValue) {
expect(setValue).to.be(false);
expect(setValue).to.be.a('boolean');
localforage.getItem('boolean', function(err, value) {
expect(value).to.be(setValue);
expect(value).to.be.a('boolean');
done();
});
});
});
it('saves a boolean [promise]', function(done) {
localforage.setItem('boolean', false).then(function(setValue) {
expect(setValue).to.be(false);
expect(setValue).to.be.a('boolean');
return localforage.getItem('boolean');
}).then(function(value) {
expect(value).to.be(false);
expect(value).to.be.a('boolean');
done();
});
});
it('saves null [callback]', function(done) {
localforage.setItem('null', null, function(err, setValue) {
expect(setValue).to.be(null);
localforage.getItem('null', function(err, value) {
expect(value).to.be(null);
done();
});
});
});
it('saves null [promise]', function(done) {
localforage.setItem('null', null).then(function(setValue) {
expect(setValue).to.be(null);
return localforage.getItem('null');
}).then(function(value) {
expect(value).to.be(null);
done();
});
});
it('saves undefined as null [callback]', function(done) {
localforage.setItem('null', undefined, function(err, setValue) {
expect(setValue).to.be(null);
localforage.getItem('null', function(err, value) {
expect(value).to.be(null);
done();
});
});
});
it('saves undefined as null [promise]', function(done) {
localforage.setItem('null', undefined).then(function(setValue) {
expect(setValue).to.be(null);
return localforage.getItem('null');
}).then(function(value) {
expect(value).to.be(null);
done();
});
});
it('saves a float [callback]', function(done) {
localforage.setItem('float', 546.041, function(err, setValue) {
expect(setValue).to.be(546.041);
expect(setValue).to.be.a('number');
localforage.getItem('float', function(err, value) {
expect(value).to.be(setValue);
expect(value).to.be.a('number');
done();
});
});
});
it('saves a float [promise]', function(done) {
localforage.setItem('float', 546.041).then(function(setValue) {
expect(setValue).to.be(546.041);
expect(setValue).to.be.a('number');
return localforage.getItem('float');
}).then(function(value) {
expect(value).to.be(546.041);
expect(value).to.be.a('number');
done();
});
});
var arrayToSave = [2, 'one', true];
it('saves an array [callback]', function(done) {
localforage.setItem('array', arrayToSave, function(err, setValue) {
expect(setValue.length).to.be(arrayToSave.length);
expect(setValue instanceof Array).to.be(true);
localforage.getItem('array', function(err, value) {
expect(value.length).to.be(arrayToSave.length);
expect(value instanceof Array).to.be(true);
expect(value[1]).to.be.a('string');
done();
});
});
});
it('saves an array [promise]', function(done) {
localforage.setItem('array', arrayToSave).then(function(setValue) {
expect(setValue.length).to.be(arrayToSave.length);
expect(setValue instanceof Array).to.be(true);
return localforage.getItem('array');
}).then(function(value) {
expect(value.length).to.be(arrayToSave.length);
expect(value instanceof Array).to.be(true);
expect(value[1]).to.be.a('string');
done();
});
});
var objectToSave = {
floating: 43.01,
nested: {
array: [1, 2, 3]
},
nestedObjects: [
{truth: true},
{theCake: 'is a lie'},
{happiness: 'is a warm gun'},
false
],
string: 'bar'
};
it('saves a nested object [callback]', function(done) {
localforage.setItem('obj', objectToSave, function(err, setValue) {
expect(Object.keys(setValue).length)
.to.be(Object.keys(objectToSave).length);
expect(setValue).to.be.an('object');
localforage.getItem('obj', function(err, value) {
expect(Object.keys(value).length)
.to.be(Object.keys(objectToSave).length);
expect(value).to.be.an('object');
expect(value.nested).to.be.an('object');
expect(value.nestedObjects[0].truth).to.be.a('boolean');
expect(value.nestedObjects[1].theCake).to.be.a('string');
expect(value.nestedObjects[3]).to.be(false);
done();
});
});
});
it('saves a nested object [promise]', function(done) {
localforage.setItem('obj', objectToSave).then(function(setValue) {
expect(Object.keys(setValue).length)
.to.be(Object.keys(objectToSave).length);
expect(setValue).to.be.an('object');
return localforage.getItem('obj');
}).then(function(value) {
expect(Object.keys(value).length)
.to.be(Object.keys(objectToSave).length);
expect(value).to.be.an('object');
expect(value.nested).to.be.an('object');
expect(value.nestedObjects[0].truth).to.be.a('boolean');
expect(value.nestedObjects[1].theCake).to.be.a('string');
expect(value.nestedObjects[3]).to.be(false);
done();
});
});
// Skip binary (ArrayBuffer) data tests if Array Buffer isn't supported.
if (typeof ArrayBuffer !== 'undefined') {
var runBinaryTest = function(url, done) {
var request = new XMLHttpRequest();
request.open('GET', url, true);
request.responseType = 'arraybuffer';
// When the AJAX state changes, save the photo locally.
request.onreadystatechange = function() {
if (request.readyState === request.DONE) {
var response = request.response;
localforage.setItem('ab', response, function(err, sab) {
expect(sab.toString())
.to.be('[object ArrayBuffer]');
expect(sab.byteLength)
.to.be(response.byteLength);
}).then(function() {
// TODO: Running getItem from inside the setItem
// callback times out on IE 10/11. Could be an
// open transaction issue?
localforage.getItem('ab', function(err, arrayBuff) {
expect(arrayBuff.toString())
.to.be('[object ArrayBuffer]');
expect(arrayBuff.byteLength)
.to.be(response.byteLength);
});
done();
});
}
};
request.send();
};
it('saves binary (ArrayBuffer) data', function(done) {
runBinaryTest('/test/photo.jpg', done);
});
it('saves odd length binary (ArrayBuffer) data', function(done) {
runBinaryTest('/test/photo2.jpg', done);
});
} else {
it.skip('saves binary (ArrayBuffer) data (ArrayBuffer type does not exist)');
}
// This does not run on PhantomJS < 2.0.
// https://github.com/ariya/phantomjs/issues/11013
// Skip binary(Blob) data tests if Blob isn't supported.
if (typeof Blob === 'function') {
it('saves binary (Blob) data', function(done) {
var fileParts = ['<a id=\"a\"><b id=\"b\">hey!<\/b><\/a>'];
var mimeString = 'text\/html';
var testBlob = new Blob(fileParts, { 'type' : mimeString });
localforage.setItem('blob', testBlob, function(err, blob) {
expect(err).to.be(null);
expect(blob.toString())
.to.be('[object Blob]');
expect(blob.size)
.to.be(testBlob.size);
expect(blob.type)
.to.be(testBlob.type);
}).then(function() {
localforage.getItem('blob', function(err, blob) {
expect(err).to.be(null);
expect(blob.toString())
.to.be('[object Blob]');
expect(blob.size)
.to.be(testBlob.size);
// TODO: localForage does not restore the mimeString!?
// expect(blob.type)
// .to.be(testBlob.type);
done();
});
});
});
} else {
it.skip('saves binary (Blob) data (Blob type does not exist)');
}
});
describe('Typed Array handling in ' + driverName, function() {
if (typeof Int8Array !== 'undefined') {
it('saves an Int8Array', function(done) {
var array = new Int8Array(8);
array[2] = 65;
array[4] = 0;
localforage.setItem('array', array, function(err, writeValue) {
localforage.getItem('array', function(err, readValue) {
expect(readValue instanceof Int8Array).to.be(true);
expect(readValue[2]).to.be(array[2]);
expect(readValue[4]).to.be(writeValue[4]);
expect(readValue.length).to.be(writeValue.length);
done();
});
});
});
} else {
it.skip("doesn't have the Int8Array type");
}
if (typeof Uint8Array !== 'undefined') {
it('saves an Uint8Array', function(done) {
var array = new Uint8Array(8);
array[0] = 65;
array[4] = 0;
localforage.setItem('array', array, function(err, writeValue) {
localforage.getItem('array', function(err, readValue) {
expect(readValue instanceof Uint8Array).to.be(true);
expect(readValue[0]).to.be(array[0]);
expect(readValue[4]).to.be(writeValue[4]);
expect(readValue.length).to.be(writeValue.length);
done();
});
});
});
} else {
it.skip("doesn't have the Uint8Array type");
}
if (typeof Uint8ClampedArray !== 'undefined') {
it('saves an Uint8ClampedArray', function(done) {
var array = new Uint8ClampedArray(8);
array[0] = 0;
array[1] = 93;
array[2] = 350;
localforage.setItem('array', array, function(err, writeValue) {
localforage.getItem('array', function(err, readValue) {
expect(readValue instanceof Uint8ClampedArray)
.to.be(true);
expect(readValue[0]).to.be(array[0]);
expect(readValue[1]).to.be(array[1]);
expect(readValue[2]).to.be(array[2]);
expect(readValue[1]).to.be(writeValue[1]);
expect(readValue.length).to.be(writeValue.length);
done();
});
});
});
} else {
it.skip("doesn't have the Uint8Array type");
}
if (typeof Int16Array !== 'undefined') {
it('saves an Int16Array', function(done) {
var array = new Int16Array(8);
array[0] = 65;
array[4] = 0;
localforage.setItem('array', array, function(err, writeValue) {
localforage.getItem('array', function(err, readValue) {
expect(readValue instanceof Int16Array).to.be(true);
expect(readValue[0]).to.be(array[0]);
expect(readValue[4]).to.be(writeValue[4]);
expect(readValue.length).to.be(writeValue.length);
done();
});
});
});
} else {
it.skip("doesn't have the Int16Array type");
}
if (typeof Uint16Array !== 'undefined') {
it('saves an Uint16Array', function(done) {
var array = new Uint16Array(8);
array[0] = 65;
array[4] = 0;
localforage.setItem('array', array, function(err, writeValue) {
localforage.getItem('array', function(err, readValue) {
expect(readValue instanceof Uint16Array).to.be(true);
expect(readValue[0]).to.be(array[0]);
expect(readValue[4]).to.be(writeValue[4]);
expect(readValue.length).to.be(writeValue.length);
done();
});
});
});
} else {
it.skip("doesn't have the Uint16Array type");
}
if (typeof Int32Array !== 'undefined') {
it('saves an Int32Array', function(done) {
var array = new Int32Array(8);
array[0] = 65;
array[4] = 0;
localforage.setItem('array', array, function(err, writeValue) {
localforage.getItem('array', function(err, readValue) {
expect(readValue instanceof Int32Array).to.be(true);
expect(readValue[0]).to.be(array[0]);
expect(readValue[4]).to.be(writeValue[4]);
expect(readValue.length).to.be(writeValue.length);
done();
});
});
});
} else {
it.skip("doesn't have the Int32Array type");
}
if (typeof Uint32Array !== 'undefined') {
it('saves an Uint32Array', function(done) {
var array = new Uint32Array(8);
array[0] = 65;
array[4] = 0;
localforage.setItem('array', array, function(err, writeValue) {
localforage.getItem('array', function(err, readValue) {
expect(readValue instanceof Uint32Array).to.be(true);
expect(readValue[0]).to.be(array[0]);
expect(readValue[4]).to.be(writeValue[4]);
expect(readValue.length).to.be(writeValue.length);
done();
});
});
});
} else {
it.skip("doesn't have the Uint32Array type");
}
if (typeof Float32Array !== 'undefined') {
it('saves a Float32Array', function(done) {
var array = new Float32Array(8);
array[0] = 6.5;
array[4] = 0.1;
localforage.setItem('array', array, function(err, writeValue) {
localforage.getItem('array', function(err, readValue) {
expect(readValue instanceof Float32Array).to.be(true);
expect(readValue[0]).to.be(array[0]);
expect(readValue[4]).to.be(writeValue[4]);
expect(readValue.length).to.be(writeValue.length);
done();
});
});
});
} else {
it.skip("doesn't have the Float32Array type");
}
if (typeof Float64Array !== 'undefined') {
it('saves a Float64Array', function(done) {
var array = new Float64Array(8);
array[0] = 6.5;
array[4] = 0.1;
localforage.setItem('array', array, function(err, writeValue) {
localforage.getItem('array', function(err, readValue) {
expect(readValue instanceof Float64Array).to.be(true);
expect(readValue[0]).to.be(array[0]);
expect(readValue[4]).to.be(writeValue[4]);
expect(readValue.length).to.be(writeValue.length);
done();
});
});
});
} else {
it.skip("doesn't have the Float64Array type");
}
});
});