graphql-validity/test/koa-middleware.js

Make business logic validation easy on the graphql side without adding any declarations or modifications to the existing graphql schema.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const sinon = require("sinon");
const profiling_1 = require("../src/profiling");
const koa_middleware_1 = require("../src/koa-middleware");
const mocks_1 = require("./helpers/mocks");
const validation = require("../src/validation");
var chai = require("chai");
var chaiAsPromised = require("chai-as-promised");
chai.use(chaiAsPromised);
var expect = chai.expect;
describe('koa-middleware', () => {
    let profilingResultHandler = {
        handler: profiling_1.defaultProfilingResultHandler
    };
    let req;
    let next;
    let ctx;
    let result;
    let applyValidationFake;
    let sandbox;
    beforeEach(() => {
        req = { __graphQLValidity: undefined };
        next = () => { };
        ctx = {
            body: '{}',
            req
        };
        applyValidationFake = sinon.fake();
        const mockValidation = mocks_1.mockModule(validation, {
            applyValidation: applyValidationFake
        });
        sandbox = sinon.createSandbox();
        mockValidation(sandbox);
        result = koa_middleware_1.default(profilingResultHandler);
    });
    afterEach(() => {
        sandbox.restore();
    });
    it('should return wrapper function', () => {
        expect(result).to.be.an('function');
    });
    describe('graphQLValidityKoaMiddleware', () => {
        it('should add validity data to request', () => {
            expect(req.__graphQLValidity).to.not.be.null;
        });
        it('should call validation function', async () => {
            await result(ctx, next);
            expect(applyValidationFake.callCount).to.equal(1);
        });
        it('should not throw exception if output data is not in JSON format', () => {
            ctx = {
                body: '',
                req
            };
            expect(result(ctx, next)).to.eventually.be.fulfilled;
        });
    });
});
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