Wrote some tests.

README.md

@@ -2,6 +2,68 @@
 
 This template should help get you started developing with Tauri, React and Typescript in Vite.
 
-## Recommended IDE Setup
+## Testing
 
-- [VS Code](https://code.visualstudio.com/) + [Tauri](https://marketplace.visualstudio.com/items?itemName=tauri-apps.tauri-vscode) + [rust-analyzer](https://marketplace.visualstudio.com/items?itemName=rust-lang.rust-analyzer)
+This project uses **nextest** for running tests and **cargo-llvm-cov** for code coverage.
+
+### Install Tools
+
+```bash
+cargo install cargo-nextest cargo-llvm-cov
+```
+
+### Run Tests
+
+```bash
+# Run all tests
+cargo nextest run
+
+# Run specific module
+cargo nextest run search_files
+
+# Run with verbose output
+cargo nextest run --no-capture
+```
+
+### Generate Coverage
+
+```bash
+# HTML report (opens in browser)
+cargo llvm-cov nextest --html --open
+
+# Terminal output
+cargo llvm-cov nextest
+
+# LCOV format (for CI)
+cargo llvm-cov nextest --lcov --output-path lcov.info
+
+# Clean coverage data
+cargo llvm-cov clean
+```
+
+### Configuration
+
+- **Nextest config**: `.config/nextest.toml`
+- **Coverage output**: `target/llvm-cov/html/index.html`
+
+## Current Coverage (search_files module)
+
+```
+Module: commands/search.rs
+├── Region Coverage:   75.36%
+├── Function Coverage: 69.05%
+└── Line Coverage:     72.55%
+```
+
+### Available Test Profiles
+
+```bash
+# Development (default)
+cargo nextest run
+
+# CI with retries
+cargo nextest run --profile ci
+
+# Coverage optimized
+cargo nextest run --profile coverage
+```