filer/tests/spec/providers/providers.indexeddb.spec.js

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2013-11-27 17:18:09 +00:00
define(["IDBFS"], function(IDBFS) {
describe("IDBFS.FileSystem.providers.IndexedDB", function() {
it("is supported -- if it isn't, none of these tests can run.", function() {
expect(IDBFS.FileSystem.providers.IndexedDB.isSupported()).toEqual(true);
});
it("has open, getReadOnlyContext, and getReadWriteContext instance methods", function() {
var indexedDBProvider = new IDBFS.FileSystem.providers.IndexedDB();
expect(typeof indexedDBProvider.open).toEqual('function');
expect(typeof indexedDBProvider.getReadOnlyContext).toEqual('function');
expect(typeof indexedDBProvider.getReadWriteContext).toEqual('function');
});
describe("open an IndexedDB provider", function() {
beforeEach(function() {
this.db_name = mk_db_name();
});
afterEach(function() {
indexedDB.deleteDatabase(this.db_name);
});
it("should open a new IndexedDB database", function() {
var complete = false;
var _error, _result;
var provider = new IDBFS.FileSystem.providers.IndexedDB(this.db_name);
provider.open(function(err, firstAccess) {
_error = err;
_result = firstAccess;
complete = true;
});
waitsFor(function() {
return complete;
}, 'test to complete', DEFAULT_TIMEOUT);
runs(function() {
expect(_error).toEqual(null);
expect(_result).toEqual(true);
});
});
});
describe("Read/Write operations on an IndexedDB provider", function() {
beforeEach(function() {
this.db_name = mk_db_name();
});
afterEach(function() {
indexedDB.deleteDatabase(this.db_name);
});
it("should allow put() and get()", function() {
var complete = false;
var _error, _result;
var provider = new IDBFS.FileSystem.providers.IndexedDB(this.db_name);
provider.open(function(err, firstAccess) {
_error = err;
var context = provider.getReadWriteContext();
context.put("key", "value", function(err, result) {
_error = _error || err;
context.get("key", function(err, result) {
_error = _error || err;
_result = result;
complete = true;
});
});
});
waitsFor(function() {
return complete;
}, 'test to complete', DEFAULT_TIMEOUT);
runs(function() {
expect(_error).toEqual(null);
expect(_result).toEqual("value");
});
});
it("should allow delete()", function() {
var complete = false;
var _error, _result;
var provider = new IDBFS.FileSystem.providers.IndexedDB(this.db_name);
provider.open(function(err, firstAccess) {
_error = err;
var context = provider.getReadWriteContext();
context.put("key", "value", function(err, result) {
_error = _error || err;
context.delete("key", function(err, result) {
_error = _error || err;
context.get("key", function(err, result) {
_error = _error || err;
_result = result;
complete = true;
});
});
});
});
waitsFor(function() {
return complete;
}, 'test to complete', DEFAULT_TIMEOUT);
runs(function() {
expect(_error).toEqual(null);
expect(_result).toEqual(null);
});
});
it("should allow clear()", function() {
var complete = false;
var _error, _result1, _result2;
var provider = new IDBFS.FileSystem.providers.IndexedDB(this.db_name);
provider.open(function(err, firstAccess) {
_error = err;
var context = provider.getReadWriteContext();
context.put("key1", "value1", function(err, result) {
_error = _error || err;
context.put("key2", "value2", function(err, result) {
_error = _error || err;
context.clear(function(err) {
_error = _error || err;
context.get("key1", function(err, result) {
_error = _error || err;
_result1 = result;
context.get("key2", function(err, result) {
_error = _error || err;
_result2 = result;
complete = true;
});
});
});
});
});
});
waitsFor(function() {
return complete;
}, 'test to complete', DEFAULT_TIMEOUT);
runs(function() {
expect(_error).toEqual(null);
expect(_result1).toEqual(null);
expect(_result2).toEqual(null);
});
});
it("should fail when trying to write on ReadOnlyContext", function() {
var complete = false;
var _error, _result;
var provider = new IDBFS.FileSystem.providers.IndexedDB(this.db_name);
provider.open(function(err, firstAccess) {
_error = err;
var context = provider.getReadOnlyContext();
context.put("key1", "value1", function(err, result) {
_error = _error || err;
_result = result;
complete = true;
});
});
waitsFor(function() {
return complete;
}, 'test to complete', DEFAULT_TIMEOUT);
runs(function() {
expect(_error).toBeDefined();
expect(_result).toEqual(null);
});
});
});
});
});