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

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define(["Filer", "util"], function(Filer, util) {
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describe('fs.write', function() {
beforeEach(util.setup);
afterEach(util.cleanup);
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it('should be a function', function() {
var fs = util.fs();
expect(fs.write).to.be.a('function');
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});
it('should write data to a file', function(done) {
var fs = util.fs();
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var buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
fs.open('/myfile', 'w', function(error, fd) {
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if(error) throw error;
fs.write(fd, buffer, 0, buffer.length, 0, function(error, result) {
expect(error).not.to.exist;
expect(result).to.equal(buffer.length);
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fs.stat('/myfile', function(error, result) {
expect(error).not.to.exist;
expect(result.type).to.equal('FILE');
expect(result.size).to.equal(buffer.length);
done();
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});
});
});
});
it('should update the current file position', function(done) {
var fs = util.fs();
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var buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
var _result = 0;
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fs.open('/myfile', 'w', function(error, fd) {
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if(error) throw error;
fs.write(fd, buffer, 0, buffer.length, undefined, function(error, result) {
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if(error) throw error;
_result += result;
fs.write(fd, buffer, 0, buffer.length, undefined, function(error, result) {
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if(error) throw error;
_result += result;
fs.stat('/myfile', function(error, result) {
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if(error) throw error;
expect(error).not.to.exist;
expect(_result).to.equal(2 * buffer.length);
expect(result.size).to.equal(_result);
done();
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});
});
});
});
});
});
});