Create Shared Test Infrastructure

[adriandarian]

Create centralized test utilities, fixtures, and helpers shared across repositories.

Details

Common testing infrastructure to reduce duplication and improve test quality org-wide.

Infrastructure Location

shared-testing/ directory with published packages

Components

Test Utilities

• Mock factories
• Test data generators
• Assertion helpers
• Async test helpers
• Snapshot testing utilities
• Performance testing tools

Fixtures

• Common test data sets
• Mock API responses
• Sample files (JSON, XML, CSV)
• Database seeds
• Configuration fixtures

Test Helpers

• Setup/teardown utilities
• Test environment management
• Temporary file/directory helpers
• Network mocking
• Time manipulation
• Random data generation

Integration Test Tools

• API testing utilities
• Database test helpers
• Container orchestration
• Service mocking
• E2E test framework

Shared Test Packages

For JavaScript/TypeScript

• @vscplus/test-utils
• @vscplus/test-fixtures
• @vscplus/mock-server

For Python

• vscplus-testing
• vscplus-fixtures
• vscplus-mocks

For Go

• github.com/vscplus/testing
• github.com/vscplus/fixtures

Example Utilities

// @vscplus/test-utils
import { createMockContext, expectAsync, withTimeout } from '@vscplus/test-utils';

test('async operation', async () => {
  const ctx = createMockContext({ user: 'test' });
  await expectAsync(ctx.operation()).toResolve();
});

# vscplus-testing
from vscplus.testing import TempDirectory, MockTime

with TempDirectory() as tmp:
    with MockTime('2025-01-01'):
        # test code here

Documentation

• Usage guides for each utility
• Best practices for testing
• Migration guide from custom solutions
• Recipe book for common scenarios
• Performance testing guide
• Integration testing guide

Distribution

• Published to npm, PyPI, crates.io, etc.
• Documented in central testing docs
• Version synchronized across languages
• Changelog maintained
• Breaking change policy

Acceptance Criteria

• Core utilities implemented for all major languages
• Fixtures comprehensive and realistic
• Packages published to registries
• Documentation complete
• Adopted by 5+ repositories
• Test coverage >90%
• Performance acceptable
• API stable
• Examples provided
• Migration guide ready