From f2837f29669d3b4123292d03f76fc65c8f17da9d Mon Sep 17 00:00:00 2001
From: Adam Gaia <git@agaia.dev>
Date: Mon, 14 Oct 2024 08:52:04 -0600
Subject: [PATCH] devenv test for flakes

---
 docs/guides/using-with-flakes.md | 16 ++++++++++++++++
 src/devenv-devShell.nix          |  8 ++++++++
 2 files changed, 24 insertions(+)

diff --git a/docs/guides/using-with-flakes.md b/docs/guides/using-with-flakes.md
index d3bd21fb5..f39eb9832 100644
--- a/docs/guides/using-with-flakes.md
+++ b/docs/guides/using-with-flakes.md
@@ -62,6 +62,7 @@ Here's a minimal `flake.nix` file that includes:
     in
     {
       packages.${system}.devenv-up = self.devShells.${system}.default.config.procfileScript;
+      packages.${system}.devenv-test = self.devShells.${system}.default.config.test;
 
       devShells.${system}.default = devenv.lib.mkShell {
         inherit inputs pkgs;
@@ -91,6 +92,21 @@ $ devenv up
 17:34:37 system | run.1 stopped (rc=0)
 ```
 
+And run [tests with `devenv test`](/tests).
+```console
+$ devenv test
+Running tasks     devenv:enterShell
+Succeeded         devenv:pre-commit:install 10ms
+Succeeded         devenv:enterShell         4ms
+2 Succeeded                                 14.75ms
+• Testing ...
+Running tasks     devenv:enterTest
+Succeeded         devenv:pre-commit:run     474ms
+Not implemented   devenv:enterTest
+1 Skipped, 1 Succeeded                      474.62ms
+```
+
+
 ## Automatic shell switching with direnv
 
 Install [nix-direnv](https://github.com/nix-community/nix-direnv) for direnv to work with flakes.
diff --git a/src/devenv-devShell.nix b/src/devenv-devShell.nix
index 2be3a85bc..4e0b791b9 100644
--- a/src/devenv-devShell.nix
+++ b/src/devenv-devShell.nix
@@ -27,9 +27,16 @@ pkgs.writeScriptBin "devenv" ''
         exec $procfilescript "$@"
       fi
       ;;
+
+    test)
+      testscript=$(nix build '.#${shellPrefix (config._module.args.name or "default")}devenv-test' --no-link --print-out-paths --no-pure-eval)    
+      exec $testscript "$@"
+      ;;
+  
     version)
       echo "devenv: ${version}"
       ;;
+
     *)
       echo "https://devenv.sh (version ${version}): Fast, Declarative, Reproducible, and Composable Developer Environments"
       echo 
@@ -39,6 +46,7 @@ pkgs.writeScriptBin "devenv" ''
       echo
       echo "Commands:"
       echo
+      echo "test            Runs tests"
       echo "up              Starts processes in foreground. See http://devenv.sh/processes"
       echo "version         Display devenv version"
       echo