73 lines
2.8 KiB
TypeScript
73 lines
2.8 KiB
TypeScript
import { UsersRankService } from '../../backend/src/modules/users/users-rank.service';
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function buildMockManager(opts: { pointsByUser?: Map<string, number>; usersAhead?: number }): any {
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const pointsByUser = opts.pointsByUser ?? new Map();
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const usersAhead = opts.usersAhead ?? 0;
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const repo: any = {
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createQueryBuilder: jest.fn().mockImplementation((alias: string) => {
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const builder: any = {};
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builder.select = jest.fn().mockReturnThis();
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builder.addSelect = jest.fn().mockReturnThis();
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builder.where = jest.fn().mockReturnThis();
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builder.groupBy = jest.fn().mockReturnThis();
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builder.having = jest.fn().mockReturnThis();
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builder.getRawOne = jest.fn().mockImplementation(async () => {
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return { total: pointsByUser.get(alias === 's' ? '_self_' : '_self_') ?? 0 };
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});
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builder.getRawOneForUser = jest.fn().mockImplementation(async (userId: string) => {
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return { total: pointsByUser.get(userId) ?? 0 };
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});
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builder.getRawMany = jest.fn().mockImplementation(async () => {
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return Array.from({ length: usersAhead }, (_, i) => ({ userId: 'other_' + i }));
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});
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return builder;
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}),
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};
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// Wire the user's id into the "self" lookup.
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return {
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getRepository: () => ({
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createQueryBuilder: () => {
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const b: any = {};
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b.select = jest.fn().mockReturnThis();
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b.addSelect = jest.fn().mockReturnThis();
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b.where = jest.fn((q: string, p: any) => {
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b._userId = p?.userId;
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return b;
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});
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b.groupBy = jest.fn().mockReturnThis();
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b.having = jest.fn().mockReturnThis();
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b.getRawOne = jest.fn().mockImplementation(async () => {
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return { total: pointsByUser.get(b._userId) ?? 0 };
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});
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b.getRawMany = jest.fn().mockImplementation(async () => {
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return Array.from({ length: usersAhead }, (_, i) => ({ userId: 'other_' + i }));
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});
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return b;
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},
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}),
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};
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}
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describe('UsersRankService.rankOfUser', () => {
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it('returns null rank and 0 points for a user with no solves', async () => {
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const svc = new UsersRankService();
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const r = await svc.rankOfUser(buildMockManager({}) as any, 'u1');
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expect(r.rank).toBeNull();
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expect(r.points).toBe(0);
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});
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it('returns rank 1 when no users are ahead', async () => {
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const svc = new UsersRankService();
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const r = await svc.rankOfUser(buildMockManager({ pointsByUser: new Map([['u1', 100]]), usersAhead: 0 }) as any, 'u1');
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expect(r.rank).toBe(1);
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expect(r.points).toBe(100);
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});
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it('returns rank = ahead+1', async () => {
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const svc = new UsersRankService();
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const r = await svc.rankOfUser(buildMockManager({ pointsByUser: new Map([['u1', 100]]), usersAhead: 2 }) as any, 'u1');
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expect(r.rank).toBe(3);
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expect(r.points).toBe(100);
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});
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});
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