// Configure Mocha, telling both it and chai to use BDD-style tests. mocha.setup("tdd"); var assert = chai.assert; let repository = { "200": { "offer-id": 200, "percentage": 15 }, "400": { "offer-id": 400, "percentage": 22 } }; function getOfferById(id) { var response = {}; if (typeof id !== 'string') response = { "code": 400, "body": { "errors": ["The id you provided is invalid"] } }; else if (repository[id]) { response = { "code": 200, "body": repository[id] }; } else { notify("Offer not found: " + id); response = { "code": 404, "body": { "errors": ["The id you provided cannot be found"] } }; } return JSON.stringify(response); } describe('ifs endpoint should', function(){ it('return an offer 200', function(){ assert.equal("{\"code\":200,\"body\":{\"offer-id\":200,\"percentage\":15}}", getOfferById("200")); }); it('return a validation error 400 when not found', function(){ assert.equal("{\"code\":400,\"body\":{\"errors\":[\"The id you provided is invalid\"]}}", getOfferById(400)); }); it('return a not found 404', function(){ assert.equal("{\"code\":404,\"body\":{\"errors\":[\"The id you provided cannot be found\"]}}", getOfferById("404")); }); }); // Run all our test suites. Only necessary in the browser. mocha.run();