jaywalk/dist/test/mutate.spec.js

Runtime type validation

"use strict";
var test = require('blue-tape');
var index_1 = require('../index');
test('mutate', function (t) {
    t.test('uses', function (t) {
        var schema = new index_1.Types.String({
            uses: [
                new index_1.Types.Mutate({
                    name: 'toLower',
                    mutate: function (str) { return str.toLowerCase(); }
                }),
                new index_1.Types.Whitelist({
                    whitelist: ['hey']
                })
            ]
        });
        var validate = index_1.compile(schema);
        t.test('should validate with mutation', function (t) {
            return validate('HEY')
                .then(function (value) {
                t.equal(value, 'HEY');
            });
        });
        t.test('should fail with non-whitelisted lower string', function (t) {
            t.plan(2);
            return validate('invalid')
                .catch(function (err) {
                t.equal(err.errors.length, 1);
                t.deepEqual(err.errors[0].keyword, 'whitelist');
            });
        });
    });
});
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