140 lines
3.9 KiB
JavaScript
140 lines
3.9 KiB
JavaScript
var util = require('../lib/test-utils.js');
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var expect = require('chai').expect;
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var constants = require('../../src/constants.js');
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describe('fs.open', function() {
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beforeEach(util.setup);
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afterEach(util.cleanup);
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it('should be a function', function() {
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var fs = util.fs();
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expect(fs.open).to.be.a('function');
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});
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it('should return an error if the parent path does not exist', function(done) {
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var fs = util.fs();
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fs.open('/tmp/myfile', 'w+', function(error, result) {
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expect(error).to.exist;
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expect(error.code).to.equal('ENOENT');
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expect(result).not.to.exist;
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done();
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});
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});
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it('should return an error when flagged for read and the path does not exist', function(done) {
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var fs = util.fs();
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fs.open('/myfile', 'r+', function(error, result) {
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expect(error).to.exist;
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expect(error.code).to.equal('ENOENT');
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expect(result).not.to.exist;
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done();
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});
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});
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it('should return an error when flagged for write and the path is a directory', function(done) {
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var fs = util.fs();
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fs.mkdir('/tmp', function(error) {
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if(error) throw error;
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fs.open('/tmp', 'w', function(error, result) {
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expect(error).to.exist;
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expect(error.code).to.equal('EISDIR');
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expect(result).not.to.exist;
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done();
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});
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});
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});
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it('should return an error when flagged for append and the path is a directory', function(done) {
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var fs = util.fs();
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fs.mkdir('/tmp', function(error) {
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if(error) throw error;
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fs.open('/tmp', 'a', function(error, result) {
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expect(error).to.exist;
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expect(error.code).to.equal('EISDIR');
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expect(result).not.to.exist;
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done();
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});
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});
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});
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it('should return a unique file descriptor', function(done) {
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var fs = util.fs();
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var fd1;
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fs.open('/file1', 'w+', function(error, fd) {
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if(error) throw error;
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expect(error).not.to.exist;
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expect(fd).to.be.a('number');
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fs.open('/file2', 'w+', function(error, fd) {
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if(error) throw error;
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expect(error).not.to.exist;
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expect(fd).to.be.a('number');
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expect(fd).not.to.equal(fd1);
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done();
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});
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});
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});
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it('should return the argument value of the file descriptor index matching the value set by the first useable file descriptor constant', function(done) {
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var fs = util.fs();
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var firstFD = constants.FIRST_DESCRIPTOR;
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var fd1;
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fs.open('/file1', 'w+', function(error, fd) {
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if(error) throw error;
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expect(fd).to.equal(firstFD);
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done();
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});
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});
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it('should create a new file when flagged for write', function(done) {
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var fs = util.fs();
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fs.open('/myfile', 'w', function(error, result) {
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if(error) throw error;
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fs.stat('/myfile', function(error, result) {
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expect(error).not.to.exist;
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expect(result).to.exist;
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expect(result.type).to.equal('FILE');
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done();
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});
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});
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});
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/**
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* This test is currently correct per our code, but incorrect according to the spec.
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* When we fix https://github.com/filerjs/filer/issues/314 we'll have to update this.
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*/
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it('should error if an ofd\'s node goes away while open', function(done) {
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var fs = util.fs();
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fs.writeFile('/myfile', 'data', function(error) {
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if(error) throw error;
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fs.open('/myfile', 'r', function(error, fd) {
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if(error) throw error;
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// Delete the file while it's still open
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fs.unlink('/myfile', function(error) {
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if(error) throw error;
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// This should fail now, since fd points to a bad node
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fs.fstat(fd, function(error, result) {
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expect(error).to.exist;
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expect(error.code).to.equal('EBADF');
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expect(result).not.to.exist;
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fs.close(fd);
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done();
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});
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});
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});
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});
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});
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});
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