@unleash/proxy
Version:
The Unleash Proxy (Open-Source)
132 lines • 6.28 kB
JavaScript
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const content_type_checker_1 = __importDefault(require("../content-type-checker"));
const mockRequest = (transferEncoding) => (contentType) => {
const headers = {
'content-type': contentType,
'transfer-encoding': transferEncoding,
};
// @ts-expect-error (It's not a real request)
return {
header: (name) =>
//@ts-expect-error (yes, this may fail)
headers[name.toLowerCase()],
headers,
};
};
const mockRequestWithBody = mockRequest('chunked');
const mockRequestWithoutBody = mockRequest(undefined);
const returns415 = (t) => ({
// @ts-expect-error
status: (code) => {
expect(415).toBe(code);
return {
end: t,
};
},
});
const expectNoCall = (t) => ({
status: () => ({
// @ts-expect-error
end: () => expect(t).toHaveBeenCalledTimes(0),
}),
});
describe('Content-type checker middleware', () => {
test('should by default only support application/json', () => {
const middleware = (0, content_type_checker_1.default)();
const t = jest.fn();
const fail = jest.fn();
middleware(mockRequestWithBody('application/json'), expectNoCall(fail), t);
middleware(mockRequestWithBody('text/plain'), returns415(t), fail);
expect(t).toHaveBeenCalledTimes(2);
expect(fail).toHaveBeenCalledTimes(0);
});
test('should support application/json with charset by default', () => {
const middleware = (0, content_type_checker_1.default)();
const t = jest.fn();
const fail = jest.fn();
middleware(mockRequestWithBody('application/json; charset=UTF-8'), expectNoCall(fail), t);
middleware(mockRequestWithBody('text/plain'), returns415(t), fail);
expect(t).toHaveBeenCalledTimes(2);
expect(fail).toHaveBeenCalledTimes(0);
});
test('should allow adding custom supported types', () => {
const middleware = (0, content_type_checker_1.default)('application/yaml');
const t = jest.fn();
const fail = jest.fn();
middleware(mockRequestWithBody('application/yaml'), expectNoCall(fail), t);
middleware(mockRequestWithBody('text/html'), returns415(t), fail);
middleware(mockRequestWithBody('text/plain'), returns415(t), fail);
expect(t).toHaveBeenCalledTimes(3);
expect(fail).toHaveBeenCalledTimes(0);
});
test('does not support default support types if you provide your own', () => {
const middleware = (0, content_type_checker_1.default)('application/yaml');
const t = jest.fn();
const fail = jest.fn();
middleware(mockRequestWithBody('application/json'), returns415(t), fail);
expect(t).toHaveBeenCalledTimes(1);
expect(fail).toHaveBeenCalledTimes(0);
});
test('Should accept multiple content-types', () => {
const middleware = (0, content_type_checker_1.default)('application/json', 'application/yaml', 'form/multipart');
const fail = jest.fn();
const succeed = jest.fn();
middleware(mockRequestWithBody('application/json'), expectNoCall(fail), succeed);
middleware(mockRequestWithBody('application/yaml'), expectNoCall(fail), succeed);
middleware(mockRequestWithBody('form/multipart'), expectNoCall(fail), succeed);
middleware(mockRequestWithBody('text/plain'), returns415(succeed), fail);
expect(succeed).toHaveBeenCalledTimes(4);
expect(fail).toHaveBeenCalledTimes(0);
});
test('should not stop requests that have no body', () => {
const middleware = (0, content_type_checker_1.default)('application/yaml');
const t = jest.fn();
const fail = jest.fn();
middleware(mockRequestWithBody('application/json'), returns415(t), fail);
expect(t).toHaveBeenCalledTimes(1);
expect(fail).toHaveBeenCalledTimes(0);
});
describe('add default content-types to requests with bodies but no content-type', () => {
test('should add the default content type if no custom types are provided', () => {
const middleware = (0, content_type_checker_1.default)();
const request = mockRequestWithBody();
const t = jest.fn();
const fail = jest.fn();
middleware(request, expectNoCall(fail), t);
expect(t).toHaveBeenCalledTimes(1);
expect(request.header('content-type')).toEqual('application/json');
});
test('does not add default content type if there is no body', () => {
const middleware = (0, content_type_checker_1.default)();
const request = mockRequestWithoutBody();
const t = jest.fn();
const fail = jest.fn();
middleware(request, expectNoCall(fail), t);
expect(t).toHaveBeenCalledTimes(1);
expect(request.header('content-type')).toEqual(undefined);
});
test('should add the first custom content type if provided', () => {
const middleware = (0, content_type_checker_1.default)('application/yaml', 'application/xml', 'application/x-www-form-urlencoded');
const request = mockRequestWithBody();
const t = jest.fn();
const fail = jest.fn();
middleware(request, expectNoCall(fail), t);
expect(t).toHaveBeenCalledTimes(1);
expect(request.header('content-type')).toEqual('application/yaml');
});
test('does not change the content-type if the request already has one', () => {
const middleware = (0, content_type_checker_1.default)('application/json', 'application/yaml');
const request = mockRequestWithBody('application/yaml');
const t = jest.fn();
const fail = jest.fn();
middleware(request, expectNoCall(fail), t);
expect(t).toHaveBeenCalledTimes(1);
expect(request.header('content-type')).toEqual('application/yaml');
});
});
});
//# sourceMappingURL=content-type-checker.test.js.map