Create test_cli.py

Author: BobTheBuidler

tests/test_cli.py

@@ -0,0 +1,45 @@
+"""Tests for the command-line interface."""
+
+import pytest
+from pathlib import Path
+from vyper_sphinx_docs.cli import main
+
+
+def test_cli_basic(contracts_dir, output_dir, monkeypatch, capsys):
+    """Test basic CLI functionality."""
+    # Mock sys.argv
+    monkeypatch.setattr('sys.argv', [
+        'vyper-docs',
+        str(contracts_dir),
+        '--output',
+        str(output_dir)
+    ])
+    
+    # Run CLI
+    main()
+    
+    # Check output
+    captured = capsys.readouterr()
+    assert "Documentation built successfully" in captured.out
+    
+    # Check generated files
+    docs_dir = output_dir / "docs"
+    build_dir = docs_dir / "_build"
+    assert docs_dir.exists()
+    assert build_dir.exists()
+    assert (build_dir / "html" / "index.html").exists()
+
+
+def test_cli_invalid_contracts_dir(tmp_path, monkeypatch, capsys):
+    """Test CLI with invalid contracts directory."""
+    invalid_dir = tmp_path / "nonexistent"
+    
+    # Mock sys.argv
+    monkeypatch.setattr('sys.argv', [
+        'vyper-docs',
+        str(invalid_dir)
+    ])
+    
+    # Run CLI and check for error
+    with pytest.raises(FileNotFoundError):
+        main()