MCP Unit Test Sensei

{ description = "A Nix-based development environment for the MCP testing sensei."; inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; }; outputs = { self, nixpkgs }: let system = "x86_64-linux"; pkgs = import nixpkgs { inherit system; }; # Create a Python environment with runtime dependencies pythonEnv = pkgs.python312.withPackages (ps: with ps; [ mcp pytest ]); # Create a Python environment with build/distribution tools pythonBuildEnv = pkgs.python312.withPackages (ps: with ps; [ mcp pytest build twine setuptools wheel pyinstaller ]); in { devShells.${system} = { default = pkgs.mkShell { buildInputs = [ pythonBuildEnv pkgs.poetry pkgs.ruff pkgs.mypy pkgs.nodejs_22 pkgs.nodePackages.npm pkgs.docker pkgs.docker-compose pkgs.git pkgs.gh pkgs.jq ]; shellHook = '' echo "MCP Testing Sensei Development Environment" echo "Python version: $(python --version)" echo "Node version: $(node --version)" echo "npm version: $(npm --version)" echo "" echo "Available commands:" echo " python mcp_server.py - Run the MCP stdio server" echo " python test_mcp_integration.py - Run integration tests" echo " pytest - Run unit tests" echo " make dist - Build all distributions" echo " make publish-test - Publish to test PyPI" echo " make docker-build - Build Docker image" echo "" ''; }; # Minimal shell for just running the server runtime = pkgs.mkShell { buildInputs = [ pythonEnv ]; }; }; # Packages packages.${system} = { # Main server package default = pkgs.writeShellScriptBin "mcp-testing-sensei" '' # Run from the directory containing this script DIR="$(cd "$(dirname "''${BASH_SOURCE[0]}")" && pwd)" if [ -f "$DIR/../share/mcp-testing-sensei/mcp_server.py" ]; then # Installed via nix cd "$DIR/../share/mcp-testing-sensei" elif [ -f "./mcp_server.py" ]; then # Running from source true else echo "Error: Cannot find mcp_server.py" exit 1 fi exec ${pythonEnv}/bin/python mcp_server.py "$@" ''; # Docker image docker = pkgs.dockerTools.buildImage { name = "mcp-testing-sensei"; tag = "latest"; contents = [ pythonEnv ]; config = { Cmd = [ "${pythonEnv}/bin/python" "/app/mcp_server.py" ]; WorkingDir = "/app"; }; copyToRoot = pkgs.buildEnv { name = "image-root"; paths = [ ]; pathsToLink = [ ]; extraPrefix = "/app"; postBuild = '' cp ${./mcp_server.py} $out/app/mcp_server.py cp ${./linter.py} $out/app/linter.py ''; }; }; }; # Utility apps for distribution apps.${system} = { # Build Python distribution build-pypi = { type = "app"; program = "${pkgs.writeShellScript "build-pypi" '' echo "Building Python distribution..." ${pythonBuildEnv}/bin/python -m build ''}"; }; # Build npm package build-npm = { type = "app"; program = "${pkgs.writeShellScript "build-npm" '' echo "Building npm package..." ${pkgs.nodejs_22}/bin/npm pack ''}"; }; # Run all tests test-all = { type = "app"; program = "${pkgs.writeShellScript "test-all" '' set -e echo "Running all tests..." ${pythonEnv}/bin/pytest ${pythonEnv}/bin/python test_mcp_integration.py ''}"; }; # Release helper release = { type = "app"; program = "${pkgs.writeShellScript "release" '' set -e VERSION=''${1:-$(grep version pyproject.toml | head -1 | cut -d'"' -f2)} echo "Preparing release v$VERSION..." # Update versions ${pkgs.gnused}/bin/sed -i "s/\"version\": \".*\"/\"version\": \"$VERSION\"/" package.json ${pkgs.gnused}/bin/sed -i "s/version = \".*\"/version = \"$VERSION\"/" setup.py echo "Version updated to $VERSION" echo "Run 'git add -A && git commit -m \"Release v$VERSION\"' to commit" ''}"; }; }; }; }