view data tests

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

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+import { describe, it, expect } from 'vitest';
+import { ResetPasswordViewDataBuilder } from './ResetPasswordViewDataBuilder';
+import type { ResetPasswordPageDTO } from '@/lib/services/auth/types/ResetPasswordPageDTO';
+
+describe('ResetPasswordViewDataBuilder', () => {
+  describe('happy paths', () => {
+    it('should transform ResetPasswordPageDTO to ResetPasswordViewData correctly', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc123def456',
+        returnTo: '/login',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(result).toEqual({
+        token: 'abc123def456',
+        returnTo: '/login',
+        showSuccess: false,
+        formState: {
+          fields: {
+            newPassword: { value: '', error: undefined, touched: false, validating: false },
+            confirmPassword: { value: '', error: undefined, touched: false, validating: false },
+          },
+          isValid: true,
+          isSubmitting: false,
+          submitError: undefined,
+          submitCount: 0,
+        },
+        isSubmitting: false,
+        submitError: undefined,
+      });
+    });
+
+    it('should handle empty returnTo path', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc123def456',
+        returnTo: '',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(result.returnTo).toBe('');
+    });
+
+    it('should handle returnTo with query parameters', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc123def456',
+        returnTo: '/login?success=true',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(result.returnTo).toBe('/login?success=true');
+    });
+  });
+
+  describe('data transformation', () => {
+    it('should preserve all DTO fields in the output', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc123def456',
+        returnTo: '/login',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(result.token).toBe(resetPasswordPageDTO.token);
+      expect(result.returnTo).toBe(resetPasswordPageDTO.returnTo);
+    });
+
+    it('should not modify the input DTO', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc123def456',
+        returnTo: '/login',
+      };
+
+      const originalDTO = { ...resetPasswordPageDTO };
+      ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(resetPasswordPageDTO).toEqual(originalDTO);
+    });
+
+    it('should initialize form fields with default values', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc123def456',
+        returnTo: '/login',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(result.formState.fields.newPassword.value).toBe('');
+      expect(result.formState.fields.newPassword.error).toBeUndefined();
+      expect(result.formState.fields.newPassword.touched).toBe(false);
+      expect(result.formState.fields.newPassword.validating).toBe(false);
+
+      expect(result.formState.fields.confirmPassword.value).toBe('');
+      expect(result.formState.fields.confirmPassword.error).toBeUndefined();
+      expect(result.formState.fields.confirmPassword.touched).toBe(false);
+      expect(result.formState.fields.confirmPassword.validating).toBe(false);
+    });
+
+    it('should initialize form state with default values', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc123def456',
+        returnTo: '/login',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(result.formState.isValid).toBe(true);
+      expect(result.formState.isSubmitting).toBe(false);
+      expect(result.formState.submitError).toBeUndefined();
+      expect(result.formState.submitCount).toBe(0);
+    });
+
+    it('should initialize UI state flags correctly', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc123def456',
+        returnTo: '/login',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(result.showSuccess).toBe(false);
+      expect(result.isSubmitting).toBe(false);
+      expect(result.submitError).toBeUndefined();
+    });
+  });
+
+  describe('edge cases', () => {
+    it('should handle token with special characters', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc-123_def.456',
+        returnTo: '/login',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(result.token).toBe('abc-123_def.456');
+    });
+
+    it('should handle token with URL-encoded characters', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc%20123%40def',
+        returnTo: '/login',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(result.token).toBe('abc%20123%40def');
+    });
+
+    it('should handle returnTo with encoded characters', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc123def456',
+        returnTo: '/login?redirect=%2Fdashboard',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(result.returnTo).toBe('/login?redirect=%2Fdashboard');
+    });
+
+    it('should handle returnTo with hash fragment', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc123def456',
+        returnTo: '/login#section',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(result.returnTo).toBe('/login#section');
+    });
+  });
+
+  describe('form state structure', () => {
+    it('should have all required form fields', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc123def456',
+        returnTo: '/login',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      expect(result.formState.fields).toHaveProperty('newPassword');
+      expect(result.formState.fields).toHaveProperty('confirmPassword');
+    });
+
+    it('should have consistent field state structure', () => {
+      const resetPasswordPageDTO: ResetPasswordPageDTO = {
+        token: 'abc123def456',
+        returnTo: '/login',
+      };
+
+      const result = ResetPasswordViewDataBuilder.build(resetPasswordPageDTO);
+
+      const fields = result.formState.fields;
+      Object.values(fields).forEach((field) => {
+        expect(field).toHaveProperty('value');
+        expect(field).toHaveProperty('error');
+        expect(field).toHaveProperty('touched');
+        expect(field).toHaveProperty('validating');
+      });
+    });
+  });
+});