Testing

Running Tests

All Tests

tk test //...

Specific Packages

# Go packages
tk test //src/go/pkg/syncer:syncer_test

# Rust crates
tk test //src/rust/prefetch-cache:prefetch-cache-test

# Python modules
tk test //src/python/cargo:test_features

Test Categories

Unit Tests

Located alongside source code:

pkg/
├── syncer.go
└── syncer_test.go

Integration Tests

Located in e2e/:

e2e/
├── fixtures/
│   ├── greenfield-go/
│   └── multi-language/
└── run_e2e.sh

Nix Testing

Flake Check

nix flake check

Validates:

• Module definitions
• Package builds
• Template validity

Derivation Builds

# Build specific package
nix build .#godeps-gen

# Build prelude
nix build .#turnkey-prelude

Manual Testing

New Toolchain

1. Add to registry
2. Add to mappings
3. Add to toolchain.toml
4. Enter shell
5. Verify tk targets toolchains//...

Prelude Extension

1. Create extension files
2. Stage: git add nix/buck2/prelude-extensions/
3. Rebuild: nix build .#turnkey-prelude
4. Verify files in output

Dependency Cell

1. Generate deps file
2. Build cell: nix build .#godeps-cell (example)
3. Verify rules.star content

CI

Pre-commit hooks run:

1. nix flake check
2. monorepo-dep-check
3. rust-edition-check

All hooks must pass before commit.