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gridpilot.gg/apps/api/src/shared/testing/contractValidation.test.ts
Marc Mintel 9ac74f5046
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2026-01-26 17:22:01 +01:00

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TypeScript

/**
* API Contract Validation Tests
*
* Validates that API DTOs are consistent and generate valid OpenAPI specs.
* This test suite ensures contract compatibility between API and website.
*/
import { describe, it, expect, beforeAll } from 'vitest';
import * as fs from 'fs/promises';
import * as path from 'path';
// Import DTO classes to validate their structure
import { GetAnalyticsMetricsOutputDTO } from '../../domain/analytics/dtos/GetAnalyticsMetricsOutputDTO';
import { GetDashboardDataOutputDTO } from '../../domain/analytics/dtos/GetDashboardDataOutputDTO';
import { RecordEngagementInputDTO } from '../../domain/analytics/dtos/RecordEngagementInputDTO';
import { RecordEngagementOutputDTO } from '../../domain/analytics/dtos/RecordEngagementOutputDTO';
import { RecordPageViewInputDTO } from '../../domain/analytics/dtos/RecordPageViewInputDTO';
import { RecordPageViewOutputDTO } from '../../domain/analytics/dtos/RecordPageViewOutputDTO';
import { RequestAvatarGenerationInputDTO } from '../../domain/media/dtos/RequestAvatarGenerationInputDTO';
import { RequestAvatarGenerationOutputDTO } from '../../domain/media/dtos/RequestAvatarGenerationOutputDTO';
import { UploadMediaInputDTO } from '../../domain/media/dtos/UploadMediaInputDTO';
import { UploadMediaOutputDTO } from '../../domain/media/dtos/UploadMediaOutputDTO';
import { ValidateFaceInputDTO } from '../../domain/media/dtos/ValidateFaceInputDTO';
import { ValidateFaceOutputDTO } from '../../domain/media/dtos/ValidateFaceOutputDTO';
import { RaceDTO } from '../../domain/race/dtos/RaceDTO';
import { RaceDetailDTO } from '../../domain/race/dtos/RaceDetailDTO';
import { RaceResultDTO } from '../../domain/race/dtos/RaceResultDTO';
import { SponsorDTO } from '../../domain/sponsor/dtos/SponsorDTO';
import { SponsorshipDTO } from '../../domain/sponsor/dtos/SponsorshipDTO';
import { TeamDTO } from '../../domain/team/dtos/TeamDto';
const colors = {
reset: '\x1b[0m',
green: '\x1b[32m',
red: '\x1b[31m',
yellow: '\x1b[33m',
cyan: '\x1b[36m',
dim: '\x1b[2m'
};
describe('API Contract Validation', () => {
let openApiSpec: any;
let specPath: string;
beforeAll(async () => {
// Load the OpenAPI spec
specPath = path.join(__dirname, '..', '..', '..', 'openapi.json');
const specContent = await fs.readFile(specPath, 'utf-8');
openApiSpec = JSON.parse(specContent);
});
describe('OpenAPI Spec Integrity', () => {
it('should have valid OpenAPI structure', () => {
expect(openApiSpec).toBeDefined();
expect(openApiSpec.openapi).toBeDefined();
expect(openApiSpec.info).toBeDefined();
expect(openApiSpec.paths).toBeDefined();
expect(openApiSpec.components).toBeDefined();
expect(openApiSpec.components.schemas).toBeDefined();
});
it('should have valid OpenAPI version', () => {
expect(openApiSpec.openapi).toMatch(/^3\.\d+\.\d+$/);
});
it('should have required API metadata', () => {
expect(openApiSpec.info.title).toBeDefined();
expect(openApiSpec.info.version).toBeDefined();
expect(openApiSpec.info.description).toBeDefined();
});
it('should have no circular references in schemas', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
const visited = new Set<string>();
const visiting = new Set<string>();
const checkCircular = (schemaName: string, schema: any): boolean => {
if (!schema) return false;
if (visiting.has(schemaName)) {
return true; // Circular reference detected
}
if (visited.has(schemaName)) {
return false;
}
visiting.add(schemaName);
// Check $ref references
if (schema.$ref) {
const refName = schema.$ref.split('/').pop();
if (schemas[refName] && checkCircular(refName, schemas[refName])) {
return true;
}
}
// Check properties
if (schema.properties) {
for (const prop of Object.values(schema.properties)) {
if ((prop as any).$ref) {
const refName = (prop as any).$ref.split('/').pop();
if (schemas[refName] && checkCircular(refName, schemas[refName])) {
return true;
}
}
}
}
// Check array items
if (schema.items && schema.items.$ref) {
const refName = schema.items.$ref.split('/').pop();
if (schemas[refName] && checkCircular(refName, schemas[refName])) {
return true;
}
}
visiting.delete(schemaName);
visited.add(schemaName);
return false;
};
for (const [schemaName, schema] of Object.entries(schemas)) {
if (checkCircular(schemaName, schema as any)) {
throw new Error(`Circular reference detected in schema: ${schemaName}`);
}
}
});
it('should have all required DTOs in OpenAPI spec', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
// List of critical DTOs that must exist in the spec
const requiredDTOs = [
'GetAnalyticsMetricsOutputDTO',
'GetDashboardDataOutputDTO',
'RecordEngagementInputDTO',
'RecordEngagementOutputDTO',
'RecordPageViewInputDTO',
'RecordPageViewOutputDTO',
'RequestAvatarGenerationInputDTO',
'RequestAvatarGenerationOutputDTO',
'UploadMediaInputDTO',
'UploadMediaOutputDTO',
'ValidateFaceInputDTO',
'ValidateFaceOutputDTO',
'RaceDTO',
'RaceDetailDTO',
'RaceResultDTO',
'SponsorDTO',
'SponsorshipDTO',
'TeamDTO'
];
for (const dtoName of requiredDTOs) {
expect(schemas[dtoName], `DTO ${dtoName} should exist in OpenAPI spec`).toBeDefined();
}
});
it('should have valid JSON schema for all DTOs', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
for (const [schemaName, schema] of Object.entries(schemas)) {
expect(schema, `Schema ${schemaName} should be an object`).toBeInstanceOf(Object);
expect(schema.type, `Schema ${schemaName} should have a type`).toBeDefined();
if (schema.type === 'object') {
expect(schema.properties, `Schema ${schemaName} should have properties`).toBeDefined();
}
}
});
});
describe('DTO Consistency', () => {
it('should have consistent DTO definitions between code and spec', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
// Test a sample of DTOs to ensure they match the spec
const testDTOs = [
{ name: 'GetAnalyticsMetricsOutputDTO', expectedProps: ['pageViews', 'uniqueVisitors', 'averageSessionDuration', 'bounceRate'] },
{ name: 'RaceDTO', expectedProps: ['id', 'name', 'date'] },
{ name: 'SponsorDTO', expectedProps: ['id', 'name'] }
];
for (const { name, expectedProps } of testDTOs) {
const schema = schemas[name];
expect(schema, `Schema ${name} should exist`).toBeDefined();
if (schema.properties) {
for (const prop of expectedProps) {
expect(schema.properties[prop], `Property ${prop} should exist in ${name}`).toBeDefined();
}
}
}
});
it('should have no duplicate DTO names', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
const schemaNames = Object.keys(schemas);
const uniqueNames = new Set(schemaNames);
expect(schemaNames.length).toBe(uniqueNames.size);
});
it('should have consistent naming conventions', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
for (const schemaName of Object.keys(schemas)) {
// DTO names should end with DTO
expect(schemaName).toMatch(/DTO$/);
}
});
});
describe('Type Generation Integrity', () => {
it('should have all DTOs with proper type definitions', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
for (const [schemaName, schema] of Object.entries(schemas)) {
if (schema.type === 'object') {
expect(schema.properties, `Schema ${schemaName} should have properties`).toBeDefined();
// Check that all properties have types or are references
for (const [propName, propSchema] of Object.entries(schema.properties)) {
const prop = propSchema as any;
// Properties can have a type directly, or be a $ref to another schema
const hasType = prop.type !== undefined;
const isRef = prop.$ref !== undefined;
expect(hasType || isRef, `Property ${propName} in ${schemaName} should have a type or be a $ref`).toBe(true);
}
}
}
});
it('should have required fields properly marked', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
// Test a few critical DTOs
const testDTOs = [
{ name: 'GetAnalyticsMetricsOutputDTO', required: ['pageViews', 'uniqueVisitors', 'averageSessionDuration', 'bounceRate'] },
{ name: 'RaceDTO', required: ['id', 'name', 'date'] }
];
for (const { name, required } of testDTOs) {
const schema = schemas[name];
expect(schema.required, `Schema ${name} should have required fields`).toBeDefined();
for (const field of required) {
expect(schema.required).toContain(field);
}
}
});
it('should have nullable fields properly marked', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
// Check that nullable fields are properly marked
for (const [schemaName, schema] of Object.entries(schemas)) {
if (schema.properties) {
for (const [propName, propSchema] of Object.entries(schema.properties)) {
if ((propSchema as any).nullable === true) {
// Nullable fields should not be in required array
if (schema.required) {
expect(schema.required).not.toContain(propName);
}
}
}
}
}
});
});
describe('Contract Compatibility', () => {
it('should have backward compatible DTOs', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
// Critical DTOs that must maintain backward compatibility
const criticalDTOs = [
'RaceDTO',
'SponsorDTO',
'TeamDTO',
'DriverDTO'
];
for (const dtoName of criticalDTOs) {
const schema = schemas[dtoName];
expect(schema, `Critical DTO ${dtoName} should exist`).toBeDefined();
// These DTOs should have required fields that cannot be removed
if (schema.required) {
expect(schema.required.length).toBeGreaterThan(0);
}
}
});
it('should have no breaking changes in required fields', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
// Check that required fields are not empty for critical DTOs
const criticalDTOs = ['RaceDTO', 'SponsorDTO', 'TeamDTO'];
for (const dtoName of criticalDTOs) {
const schema = schemas[dtoName];
if (schema && schema.required) {
expect(schema.required.length).toBeGreaterThan(0);
}
}
});
it('should have consistent field types across versions', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
// Check that common fields have consistent types
const commonFields = {
id: 'string',
name: 'string',
createdAt: 'string',
updatedAt: 'string'
};
for (const [fieldName, expectedType] of Object.entries(commonFields)) {
for (const [schemaName, schema] of Object.entries(schemas)) {
if (schema.properties && schema.properties[fieldName]) {
expect(schema.properties[fieldName].type).toBe(expectedType);
}
}
}
});
});
describe('Contract Validation Summary', () => {
it('should pass all contract validation checks', () => {
const schemas = openApiSpec.components.schemas as Record<string, any>;
const schemaCount = Object.keys(schemas).length;
console.log(`${colors.cyan}📊 Contract Validation Summary${colors.reset}`);
console.log(`${colors.dim} Total DTOs in OpenAPI spec: ${schemaCount}${colors.reset}`);
console.log(`${colors.dim} Spec file: ${specPath}${colors.reset}`);
// Verify critical metrics
expect(schemaCount).toBeGreaterThan(0);
// Count DTOs by category
const analyticsDTOs = Object.keys(schemas).filter(name => name.includes('Analytics') || name.includes('Engagement') || name.includes('PageView'));
const mediaDTOs = Object.keys(schemas).filter(name => name.includes('Media') || name.includes('Avatar'));
const raceDTOs = Object.keys(schemas).filter(name => name.includes('Race'));
const sponsorDTOs = Object.keys(schemas).filter(name => name.includes('Sponsor'));
const teamDTOs = Object.keys(schemas).filter(name => name.includes('Team'));
console.log(`${colors.dim} Analytics DTOs: ${analyticsDTOs.length}${colors.reset}`);
console.log(`${colors.dim} Media DTOs: ${mediaDTOs.length}${colors.reset}`);
console.log(`${colors.dim} Race DTOs: ${raceDTOs.length}${colors.reset}`);
console.log(`${colors.dim} Sponsor DTOs: ${sponsorDTOs.length}${colors.reset}`);
console.log(`${colors.dim} Team DTOs: ${teamDTOs.length}${colors.reset}`);
// Verify that we have DTOs in each category
expect(analyticsDTOs.length).toBeGreaterThan(0);
expect(mediaDTOs.length).toBeGreaterThan(0);
expect(raceDTOs.length).toBeGreaterThan(0);
expect(sponsorDTOs.length).toBeGreaterThan(0);
expect(teamDTOs.length).toBeGreaterThan(0);
});
});
});