validate.js

//
// validate.js 
// A declarative way of validating j
// javascript objects.
//
// This test was based on the example 
// http://validatejs.org/#validate
//

load("http://cdnjs.cloudflare.com/ajax/libs/validate.js/0.8.0/validate.min.js"); 


constraints = {
  username: {
    presence: true,
    exclusion: {
      within: ["nicklas"],
      message: "'%{value}' is not allowed"
    }
  },
  password: {
    presence: true,
    length: {
      minimum: 6,
      message: "must be at least 6 characters"
    }
  }
};

x = validate({password: "bad"}, constraints);

x.username;
x.username[0];
if (x.username[0] !== "Username can't be blank") throw ""

x.password;
x.password[0];
if (x.password[0] !== "Password must be at least 6 characters") throw ""



x = validate({username: "nick", password: "better"}, constraints);
if (x !== undefined) throw "";


x = validate({username: "nicklas", password: "better"}, constraints);
x.username;
x.username[0];
if (x.username[0] !== "Username 'nicklas' is not allowed") throw ""

x = validate({password: "better"}, constraints, {fullMessages: false});
x.username;
x.username[0];
if (x.username[0] !== "can't be blank") throw "";


x =	validate({}, constraints, {format: "flat"});
if (x[0] != "Username can't be blank") throw ""
if (x[1] != "Password can't be blank") throw ""

x =	validate({username: "nicklas", password: "bad"}, constraints, {format: "detailed"});
x[0];

if (x[1].attribute != "password") throw "";
if (x[1].error != "Password must be at least 6 characters") throw "";

x[1].options;

if (x[1].options.minimum != 6) throw "";
if (x[1].options.message != "must be at least 6 characters") throw "";
if (x[1].validator != "length") throw "";
if (x[1].value != "bad") throw "";


x = validate({}, {username: {presence: {message: "^You must pick a username"}}});
x.username;
x.username[0];
if (x.username[0] != "You must pick a username") throw "";