filer/tests/spec/filer.spec.js

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'use strict';
const Filer = require('../../src');
const util = require('../lib/test-utils');
const expect = require('chai').expect;
describe('Filer', function() {
it('is defined', function() {
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expect(typeof Filer).not.to.equal(undefined);
});
it('has FileSystem constructor', function() {
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expect(typeof Filer.FileSystem).to.equal('function');
});
it('has Buffer constructor', function() {
expect(typeof Filer.Buffer).to.equal('function');
});
it('has Path and path objects', function() {
expect(typeof Filer.Path).to.equal('object');
expect(typeof Filer.path).to.equal('object');
expect(Filer.Path).to.equal(Filer.path);
});
it('has Errors object', function() {
expect(typeof Filer.Errors).to.equal('object');
});
it('has an fs object that returns a Filer.FileSystem', function() {
// Depends on IndexedDB being available, since we can't
// configure our own test provider. Shim for coverage.
util.shimIndexedDB(function() {
expect(typeof Filer.fs).to.equal('object');
const fs1 = Filer.fs;
const fs2 = Filer.fs;
expect(fs1).to.be.an.instanceof(Filer.FileSystem);
expect(fs2).to.be.an.instanceof(Filer.FileSystem);
expect(fs1).to.equal(fs2);
});
});
it('has Shell constructor', function() {
expect(typeof Filer.Shell).to.equal('function');
});
it('must honor the \'FORMAT\' flag', function(done) {
const name = 'local-test';
// Because we need to use a bunch of Filer filesystems
// in this test, we can't use the usual test infrastructure
// to create/manage the fs instance. Pick the best one
// based on the testing environment (browser vs. node)
const providers = Filer.FileSystem.providers;
let Provider;
if(providers.IndexedDB.isSupported()) {
Provider = providers.IndexedDB;
} else {
Provider = providers.Memory;
}
let fs = new Filer.FileSystem({name, provider: new Provider(name)});
let fs2 = new Filer.FileSystem({name, provider: new Provider(name)});
fs.mkdir('/test', function(err){
if(err) throw err;
fs2.readdir('/', function(err, list) {
if(err) throw err;
expect(list).to.exist;
expect(list).to.have.length(1);
fs2 = new Filer.FileSystem({name, provider: new Provider(name), flags:['FORMAT']});
fs2.readdir('/', function(err, list2) {
expect(err).to.not.exist;
expect(list2).to.exist;
expect(list2).to.have.length(0);
done();
});
});
});
});
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});