filer/tests/spec/fs.open.spec.js

110 lines
3.0 KiB
JavaScript

var Filer = require('../..');
var util = require('../lib/test-utils.js');
var expect = require('chai').expect;
var constants = require('../../src/constants.js');
describe('fs.open', function() {
beforeEach(util.setup);
afterEach(util.cleanup);
it('should be a function', function() {
var fs = util.fs();
expect(fs.open).to.be.a('function');
});
it('should return an error if the parent path does not exist', function(done) {
var fs = util.fs();
fs.open('/tmp/myfile', 'w+', function(error, result) {
expect(error).to.exist;
expect(error.code).to.equal("ENOENT");
expect(result).not.to.exist;
done();
});
});
it('should return an error when flagged for read and the path does not exist', function(done) {
var fs = util.fs();
fs.open('/myfile', 'r+', function(error, result) {
expect(error).to.exist;
expect(error.code).to.equal("ENOENT");
expect(result).not.to.exist;
done();
});
});
it('should return an error when flagged for write and the path is a directory', function(done) {
var fs = util.fs();
fs.mkdir('/tmp', function(error) {
if(error) throw error;
fs.open('/tmp', 'w', function(error, result) {
expect(error).to.exist;
expect(error.code).to.equal("EISDIR");
expect(result).not.to.exist;
done();
});
});
});
it('should return an error when flagged for append and the path is a directory', function(done) {
var fs = util.fs();
fs.mkdir('/tmp', function(error) {
if(error) throw error;
fs.open('/tmp', 'a', function(error, result) {
expect(error).to.exist;
expect(error.code).to.equal("EISDIR");
expect(result).not.to.exist;
done();
});
});
});
it('should return a unique file descriptor', function(done) {
var fs = util.fs();
var fd1;
fs.open('/file1', 'w+', function(error, fd) {
if(error) throw error;
expect(error).not.to.exist;
expect(fd).to.be.a('number');
fs.open('/file2', 'w+', function(error, fd) {
if(error) throw error;
expect(error).not.to.exist;
expect(fd).to.be.a('number');
expect(fd).not.to.equal(fd1);
done();
});
});
});
it('should return the argument value of the file descriptor index matching the value set by the first useable file descriptor constant', function(done) {
var fs = util.fs();
var firstFD = constants.FIRST_DESCRIPTOR;
var fd1;
fs.open('/file1', 'w+', function(error, fd) {
if(error) throw error;
expect(fd).to.equal(firstFD);
done();
});
});
it('should create a new file when flagged for write', function(done) {
var fs = util.fs();
fs.open('/myfile', 'w', function(error, result) {
if(error) throw error;
fs.stat('/myfile', function(error, result) {
expect(error).not.to.exist;
expect(result).to.exist;
expect(result.type).to.equal('FILE');
done();
});
});
});
});