Files
sim/.cursor/rules/sim-testing.mdc
Waleed 6262503b89 feat(deployed-form): added deployed form input (#2679)
* feat(deployed-form): added deployed form input

* styling consolidation, finishing touches on form

* updated docs

* remove unused files with knip

* added more form fields

* consolidated more test utils

* remove unused/unneeded zustand stores, refactored stores for consistency

* improvement(files): uncolorized plan name

* feat(emcn): button-group

* feat(emcn): tag input, tooltip shortcut

* improvement(emcn): modal padding, api, chat, form

* fix: deleted migrations

* feat(form): added migrations

* fix(emcn): tag input

* fix: failing tests on build

* add suplementary hover and fix bg color in date picker

* fix: build errors

---------

Co-authored-by: Emir Karabeg <emirkarabeg@berkeley.edu>
2026-01-09 23:42:21 -08:00

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---
description: Testing patterns with Vitest and @sim/testing
globs: ["apps/sim/**/*.test.ts", "apps/sim/**/*.test.tsx"]
---
# Testing Patterns
Use Vitest. Test files: `feature.ts` → `feature.test.ts`
## Structure
```typescript
/**
* @vitest-environment node
*/
import { databaseMock, loggerMock } from '@sim/testing'
import { describe, expect, it, vi } from 'vitest'
vi.mock('@sim/db', () => databaseMock)
vi.mock('@sim/logger', () => loggerMock)
import { myFunction } from '@/lib/feature'
describe('myFunction', () => {
beforeEach(() => vi.clearAllMocks())
it.concurrent('isolated tests run in parallel', () => { ... })
})
```
## @sim/testing Package
Always prefer over local mocks.
| Category | Utilities |
|----------|-----------|
| **Mocks** | `loggerMock`, `databaseMock`, `setupGlobalFetchMock()` |
| **Factories** | `createSession()`, `createWorkflowRecord()`, `createBlock()`, `createExecutorContext()` |
| **Builders** | `WorkflowBuilder`, `ExecutionContextBuilder` |
| **Assertions** | `expectWorkflowAccessGranted()`, `expectBlockExecuted()` |
## Rules
1. `@vitest-environment node` directive at file top
2. `vi.mock()` calls before importing mocked modules
3. `@sim/testing` utilities over local mocks
4. `it.concurrent` for isolated tests (no shared mutable state)
5. `beforeEach(() => vi.clearAllMocks())` to reset state
## Hoisted Mocks
For mutable mock references:
```typescript
const mockFn = vi.hoisted(() => vi.fn())
vi.mock('@/lib/module', () => ({ myFunction: mockFn }))
mockFn.mockResolvedValue({ data: 'test' })
```