test: adds tests for shell hook generation

Author: jmgilman

flake.nix

@@ -25,7 +25,7 @@
           version = "2.1.0"; # x-release-please-version
 
           engines = import ./engines { inherit pkgs lib; };
-          lib = (import ./lib { inherit pkgs lib; });
+          lib = (import ./lib { inherit pkgs lib engines; });
           plugins = import ./plugins { inherit pkgs lib engines; };
 
           # Setup pkgs
@@ -66,7 +66,7 @@
           inherit engines lib plugins;
 
           # Add local tests
-          checks = import ./tests { inherit pkgs runTests; };
+          checks = import ./tests { inherit pkgs lib engines runTests; };
 
           # Configure local development shell
           devShells = {

lib/default.nix

@@ -1,6 +1,6 @@
-{ pkgs, lib }:
+{ pkgs, lib, engines }:
 {
-  inherit (import ../modules/default.nix { inherit pkgs lib; }) mkRequest;
+  inherit (import ../modules/default.nix { inherit pkgs lib engines; }) mkRequest;
   make = import ./make.nix { inherit pkgs lib; };
   makeAll = import ./make_all.nix { inherit pkgs lib; };
   makeHook = import ./hooks { inherit pkgs lib; };

lib/hooks/link.nix

@@ -12,7 +12,10 @@ in
     log "${output} link updated"
 
     # Relink to the new result
-    unlink ${output} &>/dev/null
+    if [[ -L ${output} ]]; then
+      unlink ${output}
+    fi
+
     ln -s ${configFile} ${output}
 
     # Run extra shell hook

modules/default.nix

@@ -1,10 +1,10 @@
-{ pkgs, lib }:
+{ pkgs, lib, engines }:
 with pkgs.lib;
 {
   mkRequest = modules:
     (evalModules {
       modules = [ ./request.nix ]
         ++ modules
-        ++ [{ _module.args = { inherit (lib) engines; }; }];
+        ++ [{ _module.args = { inherit engines; }; }];
     }).config;
 }

tests/default.nix

@@ -1,9 +1,12 @@
-{ pkgs, runTests }:
+{ pkgs, lib, engines, runTests }:
 with pkgs.lib;
 let
   tests = fold (x: y: recursiveUpdate x y) { } [
     (import ./nix { inherit runTests; })
     (import ./cue { inherit runTests; })
+    ({
+      hook = import ./hook { inherit pkgs lib engines; };
+    })
   ];
 in
 tests

tests/hook/default.nix

@@ -0,0 +1,34 @@
+{ pkgs, lib, engines }:
+let
+  linkRequest = {
+    format = "json";
+    output = "test.json";
+    configData = {
+      field1 = "value1";
+      field2 = 42;
+      field3 = false;
+    };
+  };
+
+  copyRequest = linkRequest // {
+    hook =
+      { mode = "copy"; extra = "touch test.txt"; };
+  };
+
+  linkHook = pkgs.writeShellScript "link" (lib.make linkRequest).shellHook;
+  copyHook = pkgs.writeShellScript "copy" (lib.make copyRequest).shellHook;
+in
+pkgs.runCommand "test.hook" { }
+  ''
+    echo "Testing link hook"
+    source ${linkHook}
+    stat test.json
+    rm test.json
+
+    echo "Testing copy hook"
+    source ${copyHook}
+    stat test.json
+    stat test.txt
+
+    touch $out
+  ''