import type { Operation } from '../../../../src/http/Operation'; import { BasicRepresentation } from '../../../../src/http/representation/BasicRepresentation'; import { HtmlViewHandler } from '../../../../src/identity/interaction/HtmlViewHandler'; import type { InteractionRoute } from '../../../../src/identity/interaction/routing/InteractionRoute'; import { TEXT_HTML } from '../../../../src/util/ContentTypes'; import { MethodNotAllowedHttpError } from '../../../../src/util/errors/MethodNotAllowedHttpError'; import { NotFoundHttpError } from '../../../../src/util/errors/NotFoundHttpError'; import { NotImplementedHttpError } from '../../../../src/util/errors/NotImplementedHttpError'; import { readableToString } from '../../../../src/util/StreamUtil'; import type { TemplateEngine } from '../../../../src/util/templates/TemplateEngine'; describe('An HtmlViewHandler', (): void => { const idpIndex = 'http://example.com/idp/'; let index: InteractionRoute; let operation: Operation; let templates: Record>; let templateEngine: TemplateEngine; let handler: HtmlViewHandler; beforeEach(async(): Promise => { index = { getPath: jest.fn().mockReturnValue(idpIndex), } as any; operation = { method: 'GET', target: { path: 'http://example.com/idp/login/' }, preferences: { type: { 'text/html': 1 }}, body: new BasicRepresentation(), }; templates = { '/templates/login.html.ejs': { getPath: jest.fn().mockReturnValue('http://example.com/idp/login/') } as any, '/templates/register.html.ejs': { getPath: jest.fn().mockReturnValue('http://example.com/idp/register/') } as any, }; templateEngine = { render: jest.fn().mockReturnValue(Promise.resolve('')), }; handler = new HtmlViewHandler(index, templateEngine, templates); }); it('rejects non-GET requests.', async(): Promise => { operation.method = 'POST'; await expect(handler.canHandle({ operation })).rejects.toThrow(MethodNotAllowedHttpError); }); it('rejects unsupported paths.', async(): Promise => { operation.target.path = 'http://example.com/idp/otherPath/'; await expect(handler.canHandle({ operation })).rejects.toThrow(NotFoundHttpError); }); it('rejects requests that do not prefer HTML to JSON.', async(): Promise => { operation.preferences = { type: { '*/*': 1 }}; await expect(handler.canHandle({ operation })).rejects.toThrow(NotImplementedHttpError); operation.preferences = { type: { 'application/json': 1, 'text/html': 1 }}; await expect(handler.canHandle({ operation })).rejects.toThrow(NotImplementedHttpError); operation.preferences = { type: { 'application/json': 1, 'text/html': 0.8 }}; await expect(handler.canHandle({ operation })).rejects.toThrow(NotImplementedHttpError); }); it('can handle matching requests.', async(): Promise => { await expect(handler.canHandle({ operation })).resolves.toBeUndefined(); }); it('returns the resolved template.', async(): Promise => { const result = await handler.handle({ operation }); expect(result.metadata.contentType).toBe(TEXT_HTML); await expect(readableToString(result.data)).resolves.toBe(''); expect(templateEngine.render).toHaveBeenCalledTimes(1); expect(templateEngine.render) .toHaveBeenLastCalledWith({ idpIndex, authenticating: false }, { templateFile: '/templates/login.html.ejs' }); }); it('sets authenticating to true if there is an active interaction.', async(): Promise => { const result = await handler.handle({ operation, oidcInteraction: {} as any }); expect(result.metadata.contentType).toBe(TEXT_HTML); await expect(readableToString(result.data)).resolves.toBe(''); expect(templateEngine.render).toHaveBeenCalledTimes(1); expect(templateEngine.render) .toHaveBeenLastCalledWith({ idpIndex, authenticating: true }, { templateFile: '/templates/login.html.ejs' }); }); });