define(["Filer", "util"], function(Filer, util) { describe('FileSystemShell.cat', function() { beforeEach(util.setup); afterEach(util.cleanup); it('should be a function', function() { var shell = util.shell(); expect(shell.cat).to.be.a('function'); }); it('should fail when files argument is absent', function(done) { var fs = util.fs(); var shell = fs.Shell(); shell.cat(null, function(error, data) { expect(error).to.exist; expect(error.code).to.equal("EINVAL"); expect(data).not.to.exist; done(); }); }); it('should return the contents of a single file', function(done) { var fs = util.fs(); var shell = fs.Shell(); var contents = "file contents"; fs.writeFile('/file', contents, function(err) { if(err) throw err; shell.cat('/file', function(err, data) { expect(err).not.to.exist; expect(data).to.equal(contents); done(); }); }); }); it('should return the contents of multiple files', function(done) { var fs = util.fs(); var shell = fs.Shell(); var contents = "file contents"; var contents2 = contents + '\n' + contents; fs.writeFile('/file', contents, function(err) { if(err) throw err; fs.writeFile('/file2', contents2, function(err) { if(err) throw err; shell.cat(['/file', '/file2'], function(err, data) { expect(err).not.to.exist; expect(data).to.equal(contents + '\n' + contents2); done(); }); }); }); }); it('should fail if any of multiple file paths is invalid', function(done) { var fs = util.fs(); var shell = fs.Shell(); var contents = "file contents"; var contents2 = contents + '\n' + contents; fs.writeFile('/file', contents, function(err) { if(err) throw err; fs.writeFile('/file2', contents2, function(err) { if(err) throw err; shell.cat(['/file', '/nofile'], function(err, data) { expect(err).to.exist; expect(err.code).to.equal("ENOENT"); expect(data).not.to.exist; done(); }); }); }); }); }); });