view data tests

apps/website/lib/builders/view-data/TeamsViewDataBuilder.test.ts

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+import { describe, it, expect } from 'vitest';
+import { TeamsViewDataBuilder } from './TeamsViewDataBuilder';
+
+describe('TeamsViewDataBuilder', () => {
+  describe('happy paths', () => {
+    it('should transform TeamsPageDto to TeamsViewData correctly', () => {
+      const apiDto = {
+        teams: [
+          {
+            id: 'team-1',
+            name: 'Racing Team Alpha',
+            memberCount: 15,
+            logoUrl: 'https://example.com/logo1.jpg',
+            rating: 1500,
+            totalWins: 50,
+            totalRaces: 200,
+            region: 'USA',
+            isRecruiting: false,
+            category: 'competitive',
+            performanceLevel: 'elite',
+            description: 'A top-tier racing team',
+          },
+          {
+            id: 'team-2',
+            name: 'Speed Demons',
+            memberCount: 8,
+            logoUrl: 'https://example.com/logo2.jpg',
+            rating: 1200,
+            totalWins: 20,
+            totalRaces: 150,
+            region: 'UK',
+            isRecruiting: true,
+            category: 'casual',
+            performanceLevel: 'advanced',
+            description: 'Fast and fun',
+          },
+        ],
+      };
+
+      const result = TeamsViewDataBuilder.build(apiDto as any);
+
+      expect(result.teams).toHaveLength(2);
+      expect(result.teams[0]).toEqual({
+        teamId: 'team-1',
+        teamName: 'Racing Team Alpha',
+        memberCount: 15,
+        logoUrl: 'https://example.com/logo1.jpg',
+        ratingLabel: '1,500',
+        ratingValue: 1500,
+        winsLabel: '50',
+        racesLabel: '200',
+        region: 'USA',
+        isRecruiting: false,
+        category: 'competitive',
+        performanceLevel: 'elite',
+        description: 'A top-tier racing team',
+        countryCode: 'USA',
+      });
+      expect(result.teams[1]).toEqual({
+        teamId: 'team-2',
+        teamName: 'Speed Demons',
+        memberCount: 8,
+        logoUrl: 'https://example.com/logo2.jpg',
+        ratingLabel: '1,200',
+        ratingValue: 1200,
+        winsLabel: '20',
+        racesLabel: '150',
+        region: 'UK',
+        isRecruiting: true,
+        category: 'casual',
+        performanceLevel: 'advanced',
+        description: 'Fast and fun',
+        countryCode: 'UK',
+      });
+    });
+
+    it('should handle empty teams list', () => {
+      const apiDto = {
+        teams: [],
+      };
+
+      const result = TeamsViewDataBuilder.build(apiDto as any);
+
+      expect(result.teams).toHaveLength(0);
+    });
+
+    it('should handle teams with missing optional fields', () => {
+      const apiDto = {
+        teams: [
+          {
+            id: 'team-1',
+            name: 'Minimal Team',
+            memberCount: 5,
+          },
+        ],
+      };
+
+      const result = TeamsViewDataBuilder.build(apiDto as any);
+
+      expect(result.teams[0].ratingValue).toBe(0);
+      expect(result.teams[0].winsLabel).toBe('0');
+      expect(result.teams[0].racesLabel).toBe('0');
+      expect(result.teams[0].logoUrl).toBeUndefined();
+    });
+  });
+
+  describe('data transformation', () => {
+    it('should preserve all DTO fields in the output', () => {
+      const apiDto = {
+        teams: [
+          {
+            id: 'team-1',
+            name: 'Test Team',
+            memberCount: 10,
+            rating: 1000,
+            totalWins: 5,
+            totalRaces: 20,
+            region: 'EU',
+            isRecruiting: true,
+            category: 'test',
+            performanceLevel: 'test-level',
+            description: 'test-desc',
+          },
+        ],
+      };
+
+      const result = TeamsViewDataBuilder.build(apiDto as any);
+
+      expect(result.teams[0].teamId).toBe(apiDto.teams[0].id);
+      expect(result.teams[0].teamName).toBe(apiDto.teams[0].name);
+      expect(result.teams[0].memberCount).toBe(apiDto.teams[0].memberCount);
+      expect(result.teams[0].ratingValue).toBe(apiDto.teams[0].rating);
+      expect(result.teams[0].region).toBe(apiDto.teams[0].region);
+      expect(result.teams[0].isRecruiting).toBe(apiDto.teams[0].isRecruiting);
+      expect(result.teams[0].category).toBe(apiDto.teams[0].category);
+      expect(result.teams[0].performanceLevel).toBe(apiDto.teams[0].performanceLevel);
+      expect(result.teams[0].description).toBe(apiDto.teams[0].description);
+    });
+
+    it('should not modify the input DTO', () => {
+      const apiDto = {
+        teams: [
+          {
+            id: 'team-1',
+            name: 'Test Team',
+            memberCount: 10,
+          },
+        ],
+      };
+
+      const originalDto = JSON.parse(JSON.stringify(apiDto));
+      TeamsViewDataBuilder.build(apiDto as any);
+
+      expect(apiDto).toEqual(originalDto);
+    });
+  });
+});