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Alexander Brown 3ae2b52649 Chore: Upgrade Vitest to v4 (#7797) 
## Summary

https://vitest.dev/guide/migration.html#vitest-4

## Changes

- **What**: Update Vitest and some associated dependencies
- **What**: Fix issue with our existing mocks and mock types

## Review Focus

Double check the test updates. I tried to keep the changes minimal.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7797-Chore-Upgrade-Vitest-to-v4-2d96d73d3650810cbe3ac42d7bd6585a)
by [Unito](https://www.unito.io)

---------

Co-authored-by: GitHub Action <action@github.com>
2025-12-29 19:24:35 -08:00
..
canvas
When moving subgraphInput link, properly disconnect old link (#7229)
2025-12-08 13:22:05 -08:00
core
Chore: Upgrade Vitest to v4 (#7797)
2025-12-29 19:24:35 -08:00
infrastructure
[refactor] Migrate litegraph tests to centralized location (#5072)
2025-08-18 10:28:31 -07:00
subgraph
Fix disconnection of subgraphInput links (#6258)
2025-10-24 13:37:14 -07:00
utils
Tests: Vitest configuration cleanup (#5888)
2025-10-02 21:01:42 -07:00
README.md
Migration: pnpm (#5215)
2025-08-27 06:10:15 -07:00

README.md

LiteGraph Tests

This directory contains the test suite for the LiteGraph library.

Structure

litegraph/
├── core/           # Core functionality tests (LGraph, LGraphNode, etc.)
├── canvas/         # Canvas-related tests (rendering, interactions)
├── infrastructure/ # Infrastructure tests (Rectangle, utilities)
├── subgraph/       # Subgraph-specific tests
├── utils/          # Utility function tests
└── fixtures/       # Test helpers, fixtures, and assets

Running Tests

# Run all litegraph tests
pnpm test:unit -- tests-ui/tests/litegraph/

# Run specific subdirectory
pnpm test:unit -- tests-ui/tests/litegraph/core/

# Run single test file
pnpm test:unit -- tests-ui/tests/litegraph/core/LGraph.test.ts

Migration Status

These tests were migrated from src/lib/litegraph/test/ to centralize test infrastructure. Currently, some tests are marked with .skip due to import/setup issues that need to be resolved.

TODO: Fix Skipped Tests

The following test files have been temporarily disabled and need fixes:

  • Most subgraph tests (circular dependency issues)
  • Some core tests (missing test utilities)
  • Canvas tests (mock setup issues)

See individual test files marked with // TODO: Fix these tests after migration for specific issues.

Writing New Tests

  1. Always import from the barrel export to avoid circular dependencies:

    import { LGraph, LGraphNode } from '@/lib/litegraph/src/litegraph'

  2. Use the test fixtures from fixtures/ directory

  3. Follow existing patterns for test organization

Test Fixtures

Test fixtures and helpers are located in the fixtures/ directory:

  • testExtensions.ts - Custom vitest extensions
  • subgraphHelpers.ts - Helpers for creating test subgraphs
  • subgraphFixtures.ts - Common subgraph test scenarios
  • assets/ - Test data files