2022-02-11 10:52:45 +01:00

87 lines
3.9 KiB
TypeScript

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<string, jest.Mocked<InteractionRoute>>;
let templateEngine: TemplateEngine;
let handler: HtmlViewHandler;
beforeEach(async(): Promise<void> => {
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('<html>')),
};
handler = new HtmlViewHandler(index, templateEngine, templates);
});
it('rejects non-GET requests.', async(): Promise<void> => {
operation.method = 'POST';
await expect(handler.canHandle({ operation })).rejects.toThrow(MethodNotAllowedHttpError);
});
it('rejects unsupported paths.', async(): Promise<void> => {
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<void> => {
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<void> => {
await expect(handler.canHandle({ operation })).resolves.toBeUndefined();
});
it('returns the resolved template.', async(): Promise<void> => {
const result = await handler.handle({ operation });
expect(result.metadata.contentType).toBe(TEXT_HTML);
await expect(readableToString(result.data)).resolves.toBe('<html>');
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<void> => {
const result = await handler.handle({ operation, oidcInteraction: {} as any });
expect(result.metadata.contentType).toBe(TEXT_HTML);
await expect(readableToString(result.data)).resolves.toBe('<html>');
expect(templateEngine.render).toHaveBeenCalledTimes(1);
expect(templateEngine.render)
.toHaveBeenLastCalledWith({ idpIndex, authenticating: true }, { templateFile: '/templates/login.html.ejs' });
});
});