refactor DTOs to domain modules with validation tests#138
refactor DTOs to domain modules with validation tests#138Villarley merged 1 commit intoVolunChain:mainfrom
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WalkthroughThis change migrates all DTOs for email verification and user registration from the global Changes
Sequence Diagram(s)sequenceDiagram
participant Test as Unit Test
participant RegisterDTO as RegisterDTO
participant Validator as class-validator
Test->>RegisterDTO: Create instance with test data
Test->>RegisterDTO: Call static validate()
RegisterDTO->>Validator: validate(instance)
Validator-->>RegisterDTO: Validation errors (if any)
RegisterDTO-->>Test: Return errors
Test->>Test: Assert error count and properties
Assessment against linked issues
Assessment against linked issues: Out-of-scope changes
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Actionable comments posted: 5
🧹 Nitpick comments (6)
tests/__mocks__/prisma.ts (1)
1-6: Remove unnecessary constructor as flagged by static analysis.The mock implementation is well-structured and follows good patterns for testing. However, the empty constructor is unnecessary and should be removed.
Apply this diff to address the static analysis hint:
export const PrismaClient = class { - constructor() {} };src/modules/auth/__tests__/dto/emailVerification.dto.test.ts (3)
50-55: Remove redundant test case.This test case duplicates the email format validation already covered in lines 26-36. Both test invalid email formats but this one provides less specific assertions.
Consider removing this test case to eliminate redundancy:
- it("should fail with invalid email", async () => { - const dto = new RegisterDTO(); - dto.email = "invalid-email"; - const errors = await RegisterDTO.validate(dto); - expect(errors.length).toBeGreaterThan(0); - });
15-24: Enhance test assertions for required fields validation.The test correctly identifies missing required fields but doesn't verify the specific validation messages or constraint types, making it less robust for catching validation decorator changes.
Consider adding constraint-specific assertions similar to the pattern used in
tests/dto-validation.test.ts:it("should validate required fields", async () => { const dto = new RegisterDTO({ email: "john.doe@example.com", password: "SecurePassword123", }); const errors = await RegisterDTO.validate(dto); expect(errors).toHaveLength(2); expect(errors[0].property).toBe("name"); expect(errors[1].property).toBe("wallet"); + expect(errors[0].constraints?.isNotEmpty).toBeDefined(); + expect(errors[1].constraints?.isNotEmpty).toBeDefined(); });
1-56: Consider adding edge case tests for better coverage.The current test suite covers the main validation scenarios but could benefit from additional edge cases to ensure robust validation.
Consider adding tests for:
- Empty strings vs undefined values (due to constructor defaulting behavior)
- Maximum length constraints if applicable
- Special characters in wallet addresses
- Password complexity requirements beyond length
Example:
it("should handle undefined vs empty string fields", async () => { const dto = new RegisterDTO({ name: undefined, wallet: undefined }); const errors = await RegisterDTO.validate(dto); expect(errors).toHaveLength(4); // name, wallet, email, password all invalid });tests/dto-validation.test.ts (1)
1-58: Consider consolidating duplicate test coverage.This test file duplicates some validation scenarios already covered in
src/modules/auth/__tests__/dto/emailVerification.dto.test.ts. While the constraint-specific assertions here are more thorough, consider whether both test files are necessary.Options to consider:
- Merge the detailed constraint checking from this file into the domain-specific test file
- Keep this as a general DTO validation suite and remove duplicate cases from the domain test
- Clearly differentiate the scope of each test file in comments
The current approach provides good coverage but may lead to maintenance overhead with duplicate test scenarios.
src/modules/auth/dto/emailVerification.dto.ts (1)
35-37: Add return type annotation for better type safety.The static validate method should explicitly declare its return type for better TypeScript support and documentation.
- static validate(dto: RegisterDTO) { + static validate(dto: RegisterDTO): Promise<ValidationError[]> { return validate(dto); }You'll need to import
ValidationErrorfromclass-validator.
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📒 Files selected for processing (12)
jest.config.ts(1 hunks)package.json(1 hunks)src/dtos/emailVerification.dto.ts(0 hunks)src/dtos/verifyEmailDTO.ts(0 hunks)src/modules/auth/__tests__/dto/emailVerification.dto.test.ts(1 hunks)src/modules/auth/__tests__/dto/resendVerificationDTO.test.ts(1 hunks)src/modules/auth/__tests__/dto/verifyEmailDTO.test.ts(1 hunks)src/modules/auth/dto/emailVerification.dto.ts(1 hunks)src/modules/auth/dto/verifyEmailDTO.ts(1 hunks)tests/__mocks__/prisma.ts(1 hunks)tests/dto-validation.test.ts(1 hunks)tests/email.test.ts(2 hunks)
💤 Files with no reviewable changes (2)
- src/dtos/verifyEmailDTO.ts
- src/dtos/emailVerification.dto.ts
🧰 Additional context used
🧬 Code Graph Analysis (5)
src/modules/auth/__tests__/dto/emailVerification.dto.test.ts (1)
src/modules/auth/dto/emailVerification.dto.ts (1)
RegisterDTO(9-38)
src/modules/auth/__tests__/dto/resendVerificationDTO.test.ts (2)
src/modules/auth/dto/emailVerification.dto.ts (1)
ResendVerificationDTO(44-46)src/modules/auth/dto/resendVerificationDTO.ts (1)
ResendVerificationDTO(3-6)
tests/dto-validation.test.ts (1)
src/modules/auth/dto/emailVerification.dto.ts (2)
RegisterDTO(9-38)validate(35-37)
src/modules/auth/dto/verifyEmailDTO.ts (1)
src/modules/auth/dto/emailVerification.dto.ts (1)
VerifyEmailDTO(40-42)
src/modules/auth/dto/emailVerification.dto.ts (2)
src/modules/auth/dto/verifyEmailDTO.ts (1)
VerifyEmailDTO(3-7)src/modules/auth/dto/resendVerificationDTO.ts (1)
ResendVerificationDTO(3-6)
🪛 Biome (1.9.4)
tests/__mocks__/prisma.ts
[error] 2-2: This constructor is unnecessary.
Unsafe fix: Remove the unnecessary constructor.
(lint/complexity/noUselessConstructor)
🔇 Additional comments (5)
src/modules/auth/dto/verifyEmailDTO.ts (1)
1-7: LGTM! Well-implemented DTO with proper validation.The class-based DTO with
class-validatordecorators is a significant improvement over interface-based DTOs, providing runtime validation for the token property. The validation rules are appropriate for an email verification token.src/modules/auth/__tests__/dto/resendVerificationDTO.test.ts (1)
1-27: No changes needed: @isemail rejects empty stringsWe verified that
validator.isEmail('')returnsfalse, so the@IsEmail()decorator already treats empty strings as invalid. The existing tests correctly cover this behavior, and there’s no need to add an@IsNotEmpty()decorator.src/modules/auth/__tests__/dto/verifyEmailDTO.test.ts (1)
1-28: LGTM! Comprehensive test coverage with proper runtime validation testing.The test suite effectively covers all validation scenarios including the important runtime type checking test. The use of
as anywith the ESLint disable comment is appropriate for testing runtime validation behavior beyond TypeScript's compile-time checks.tests/email.test.ts (1)
1-95: LGTM! Formatting improvements enhance consistency.The changes are purely stylistic improvements that standardize quote usage and formatting. The ESLint directive for the unused
userIdvariable is appropriate since it's assigned during registration but not used in subsequent tests.jest.config.ts (1)
1-37: LGTM! Configuration properly supports new test structure.The Jest configuration updates appropriately support the DTO test migration:
- ES module conversion modernizes the config
- Adding
<rootDir>/srcto roots enables test discovery in the new location- Extended test patterns correctly match the new test file locations
- Prisma mock mapping provides proper test isolation
- Formatting improvements enhance consistency
The configuration changes align well with the PR objectives of reorganizing DTOs into domain modules with comprehensive testing.
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🚀 Volunchain Pull Request
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xall the checkboxes that apply (like[x])dto/) #128📌 Type of Change
📝 Changes description
🎉 This pull request addresses issue #128 by moving all DTOs to their respective domain modules and enhancing validation with comprehensive unit tests. The changes align with the Domain-Driven Design principles and the project's architecture standards.
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✅ Definition of Done
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