feat: Authenticated Shell: Header, Quick Tabs and Change Password

tests/backend/rank-points.spec.ts

@@ -0,0 +1,72 @@
+import { UsersRankService } from '../../backend/src/modules/users/users-rank.service';
+
+function buildMockManager(opts: { pointsByUser?: Map<string, number>; usersAhead?: number }): any {
+  const pointsByUser = opts.pointsByUser ?? new Map();
+  const usersAhead = opts.usersAhead ?? 0;
+  const repo: any = {
+    createQueryBuilder: jest.fn().mockImplementation((alias: string) => {
+      const builder: any = {};
+      builder.select = jest.fn().mockReturnThis();
+      builder.addSelect = jest.fn().mockReturnThis();
+      builder.where = jest.fn().mockReturnThis();
+      builder.groupBy = jest.fn().mockReturnThis();
+      builder.having = jest.fn().mockReturnThis();
+      builder.getRawOne = jest.fn().mockImplementation(async () => {
+        return { total: pointsByUser.get(alias === 's' ? '_self_' : '_self_') ?? 0 };
+      });
+      builder.getRawOneForUser = jest.fn().mockImplementation(async (userId: string) => {
+        return { total: pointsByUser.get(userId) ?? 0 };
+      });
+      builder.getRawMany = jest.fn().mockImplementation(async () => {
+        return Array.from({ length: usersAhead }, (_, i) => ({ userId: 'other_' + i }));
+      });
+      return builder;
+    }),
+  };
+  // Wire the user's id into the "self" lookup.
+  return {
+    getRepository: () => ({
+      createQueryBuilder: () => {
+        const b: any = {};
+        b.select = jest.fn().mockReturnThis();
+        b.addSelect = jest.fn().mockReturnThis();
+        b.where = jest.fn((q: string, p: any) => {
+          b._userId = p?.userId;
+          return b;
+        });
+        b.groupBy = jest.fn().mockReturnThis();
+        b.having = jest.fn().mockReturnThis();
+        b.getRawOne = jest.fn().mockImplementation(async () => {
+          return { total: pointsByUser.get(b._userId) ?? 0 };
+        });
+        b.getRawMany = jest.fn().mockImplementation(async () => {
+          return Array.from({ length: usersAhead }, (_, i) => ({ userId: 'other_' + i }));
+        });
+        return b;
+      },
+    }),
+  };
+}
+
+describe('UsersRankService.rankOfUser', () => {
+  it('returns null rank and 0 points for a user with no solves', async () => {
+    const svc = new UsersRankService();
+    const r = await svc.rankOfUser(buildMockManager({}) as any, 'u1');
+    expect(r.rank).toBeNull();
+    expect(r.points).toBe(0);
+  });
+
+  it('returns rank 1 when no users are ahead', async () => {
+    const svc = new UsersRankService();
+    const r = await svc.rankOfUser(buildMockManager({ pointsByUser: new Map([['u1', 100]]), usersAhead: 0 }) as any, 'u1');
+    expect(r.rank).toBe(1);
+    expect(r.points).toBe(100);
+  });
+
+  it('returns rank = ahead+1', async () => {
+    const svc = new UsersRankService();
+    const r = await svc.rankOfUser(buildMockManager({ pointsByUser: new Map([['u1', 100]]), usersAhead: 2 }) as any, 'u1');
+    expect(r.rank).toBe(3);
+    expect(r.points).toBe(100);
+  });
+});