caesar-cipher-amine/test/caeser.js

Implementation of caesar cipher

var should = require('should');
var caesar = require('../bin/caesarMethode.js');

describe('caesar' , function () {
	it("should fail if the -d argument is not a number",function(done) {
		try {
			caesar("Hello" , "aa");
		}
		catch(e) {
			e.toString().should.containDeep('The value of -d option must be an number')
			return done();
		}
		done(new Error("Should not be working"))

	});
	it("should fail with an undifined text argument", function(done) {
		try{
			var text;
			caesar( text , 2);
		}
		catch(e){
			e.toString().should.containDeep("arguments must be defined");
			return done();
		}
		done(new Error("Should not be working"));
	});
	it ("should work. test with 'abc def' and right shift of 2" , function(done) {
		var result = caesar("abd def" , 2);
		should.deepEqual(result ,'cdf fgh');
		done();
	});
	it("should work. test with 'abc 2' and rightshift of 2" , function(done) {
		var result = caesar("abc 2" , 2);
		should.deepEqual(result,"cde 2");
		done();
	});
	it ("should work. Test the left shift with -2" , function (done) {
		var result = caesar("abc" , -2);
		should.deepEqual(result, "yza");
		done();
	});
	it ("should work. Test the right shift with 30. Equivalent to 4",function(done) {
		var result = caesar("abc", 30);
		should.deepEqual(result , "efg" );
		done();
	});
});