filer/tests/spec/fs.write.spec.js

101 lines
2.5 KiB
JavaScript

define(["IDBFS"], function(IDBFS) {
describe('fs.write', function() {
beforeEach(function() {
this.db_name = mk_db_name();
this.fs = new IDBFS.FileSystem({
name: this.db_name,
flags: 'FORMAT'
});
});
afterEach(function() {
indexedDB.deleteDatabase(this.db_name);
delete this.fs;
});
it('should be a function', function() {
expect(typeof this.fs.write).toEqual('function');
});
it('should write data to a file', function() {
var complete = false;
var _error, _result, _stats;
var that = this;
var buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
that.fs.open('/myfile', 'w', function(error, result) {
if(error) throw error;
var fd = result;
that.fs.write(fd, buffer, 0, buffer.length, 0, function(error, result) {
_error = error;
_result = result;
that.fs.stat('/myfile', function(error, result) {
if(error) throw error;
_stats = result;
complete = true;
});
});
});
waitsFor(function() {
return complete;
}, 'test to complete', DEFAULT_TIMEOUT);
runs(function() {
expect(_error).toEqual(null);
expect(_result).toEqual(buffer.length);
expect(_stats.size).toEqual(buffer.length);
});
});
it('should update the current file position', function() {
var complete = false;
var _error, _result, _stats;
var that = this;
var buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
_result = 0;
that.fs.open('/myfile', 'w', function(error, result) {
if(error) throw error;
var fd = result;
that.fs.write(fd, buffer, 0, buffer.length, undefined, function(error, result) {
if(error) throw error;
_result += result;
that.fs.write(fd, buffer, 0, buffer.length, undefined, function(error, result) {
if(error) throw error;
_result += result;
that.fs.stat('/myfile', function(error, result) {
if(error) throw error;
_stats = result;
complete = true;
});
});
});
});
waitsFor(function() {
return complete;
}, 'test to complete', DEFAULT_TIMEOUT);
runs(function() {
expect(_error).toEqual(null);
expect(_result).toEqual(2 * buffer.length);
expect(_stats.size).toEqual(_result);
});
});
});
});