vscode: also test unknown package if IFD is enabled

tests/modules/programs/vscode/default.nix

@@ -1,7 +1,37 @@
-{
-  vscode-keybindings = ./keybindings.nix;
-  vscode-tasks = ./tasks.nix;
-  vscode-mcp = ./mcp.nix;
-  vscode-update-checks = ./update-checks.nix;
-  vscode-snippets = ./snippets.nix;
-}
+{ pkgs, lib, ... }:
+
+let
+  knownPackage = pkgs.writeScriptBin "vscode" "" // {
+    pname = "vscode";
+    version = "1.75.0";
+  };
+
+  unknownPackage = pkgs.writeTextFile rec {
+    name = "${derivationArgs.pname}-${derivationArgs.version}";
+    derivationArgs = {
+      pname = "test-vscode-unknown";
+      version = "0.1.0";
+    };
+    text = builtins.toJSON {
+      dataFolderName = ".test-vscode-unknown";
+      nameShort = passthru.longName;
+    };
+    destination = "/lib/vscode/resources/app/product.json";
+    passthru.longName = "Test VSCode Fork";
+  };
+
+  tests = {
+    keybindings = import ./keybindings.nix;
+    tasks = import ./tasks.nix;
+    mcp = import ./mcp.nix;
+    update-checks = import ./update-checks.nix;
+    snippets = import ./snippets.nix;
+  };
+
+  knownTests = lib.mapAttrs' (k: v: lib.nameValuePair "vscode-${k}-known" (v knownPackage)) tests;
+  unknownTests = lib.mapAttrs' (
+    k: v: lib.nameValuePair "vscode-${k}-unknown" (v unknownPackage)
+  ) tests;
+in
+
+knownTests // unknownTests

tests/modules/programs/vscode/keybindings.nix

@@ -1,7 +1,17 @@
 # Test that keybindings.json is created correctly.
-{ pkgs, lib, ... }:
+package:
+
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
 
 let
+  cfg = config.programs.vscode;
+  willUseIfd = package.pname != "vscode";
+
   bindings = [
     {
       key = "ctrl+c";
@@ -30,20 +40,24 @@ let
   keybindingsPath =
     name:
     if pkgs.stdenv.hostPlatform.isDarwin then
-      "Library/Application Support/Code/User/${
+      "Library/Application Support/${cfg.nameShort}/User/${
         lib.optionalString (name != "default") "profiles/${name}/"
       }keybindings.json"
     else
-      ".config/Code/User/${lib.optionalString (name != "default") "profiles/${name}/"}keybindings.json";
+      ".config/${cfg.nameShort}/User/${
+        lib.optionalString (name != "default") "profiles/${name}/"
+      }keybindings.json";
 
   settingsPath =
     name:
     if pkgs.stdenv.hostPlatform.isDarwin then
-      "Library/Application Support/Code/User/${
+      "Library/Application Support/${cfg.nameShort}/User/${
         lib.optionalString (name != "default") "profiles/${name}/"
       }settings.json"
     else
-      ".config/Code/User/${lib.optionalString (name != "default") "profiles/${name}/"}settings.json";
+      ".config/${cfg.nameShort}/User/${
+        lib.optionalString (name != "default") "profiles/${name}/"
+      }settings.json";
 
   content = ''
     [
@@ -109,9 +123,9 @@ let
   '';
 
   expectedCustomKeybindings = pkgs.writeText "custom-expected.json" content;
-
 in
-{
+
+lib.mkIf (willUseIfd -> config.test.enableLegacyIfd) {
   programs.vscode = {
     enable = true;
     profiles = {
@@ -119,10 +133,7 @@ in
       test.keybindings = bindings;
       custom.keybindings = customBindingsPath;
     };
-    package = pkgs.writeScriptBin "vscode" "" // {
-      pname = "vscode";
-      version = "1.75.0";
-    };
+    inherit package;
   };
 
   nmt.script = ''

tests/modules/programs/vscode/mcp.nix

@@ -1,15 +1,26 @@
-{ pkgs, lib, ... }:
+package:
+
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
 
 let
+  cfg = config.programs.vscode;
+  willUseIfd = package.pname != "vscode";
 
   mcpFilePath =
     name:
     if pkgs.stdenv.hostPlatform.isDarwin then
-      "Library/Application Support/Code/User/${
+      "Library/Application Support/${cfg.nameShort}/User/${
         lib.optionalString (name != "default") "profiles/${name}/"
       }mcp.json"
     else
-      ".config/Code/User/${lib.optionalString (name != "default") "profiles/${name}/"}mcp.json";
+      ".config/${cfg.nameShort}/User/${
+        lib.optionalString (name != "default") "profiles/${name}/"
+      }mcp.json";
 
   content = ''
     {
@@ -42,15 +53,12 @@ let
   '';
 
   expectedCustomMcp = pkgs.writeText "custom-expected.json" content;
-
 in
-{
+
+lib.mkIf (willUseIfd -> config.test.enableLegacyIfd) {
   programs.vscode = {
     enable = true;
-    package = pkgs.writeScriptBin "vscode" "" // {
-      pname = "vscode";
-      version = "1.75.0";
-    };
+    inherit package;
     profiles = {
       default.userMcp = mcp;
       test.userMcp = mcp;

tests/modules/programs/vscode/snippets.nix

@@ -1,15 +1,26 @@
-{ pkgs, lib, ... }:
+package:
+
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
 
 let
+  cfg = config.programs.vscode;
+  willUseIfd = package.pname != "vscode";
 
   snippetsDir =
     name:
     if pkgs.stdenv.hostPlatform.isDarwin then
-      "Library/Application Support/Code/User/${
+      "Library/Application Support/${cfg.nameShort}/User/${
         lib.optionalString (name != "default") "profiles/${name}/"
       }/snippets"
     else
-      ".config/Code/User/${lib.optionalString (name != "default") "profiles/${name}/"}snippets";
+      ".config/${cfg.nameShort}/User/${
+        lib.optionalString (name != "default") "profiles/${name}/"
+      }snippets";
 
   globalSnippetsPath = name: "${snippetsDir name}/global.code-snippets";
 
@@ -61,15 +72,12 @@ let
       };
     };
   };
-
 in
-{
+
+lib.mkIf (willUseIfd -> config.test.enableLegacyIfd) {
   programs.vscode = {
     enable = true;
-    package = pkgs.writeScriptBin "vscode" "" // {
-      pname = "vscode";
-      version = "1.75.0";
-    };
+    inherit package;
     profiles = {
       default = snippets;
       test = snippets;

tests/modules/programs/vscode/tasks.nix

@@ -1,15 +1,26 @@
-{ pkgs, lib, ... }:
+package:
+
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
 
 let
+  cfg = config.programs.vscode;
+  willUseIfd = package.pname != "vscode";
 
   tasksFilePath =
     name:
     if pkgs.stdenv.hostPlatform.isDarwin then
-      "Library/Application Support/Code/User/${
+      "Library/Application Support/${cfg.nameShort}/User/${
         lib.optionalString (name != "default") "profiles/${name}/"
       }tasks.json"
     else
-      ".config/Code/User/${lib.optionalString (name != "default") "profiles/${name}/"}tasks.json";
+      ".config/${cfg.nameShort}/User/${
+        lib.optionalString (name != "default") "profiles/${name}/"
+      }tasks.json";
 
   content = ''
     {
@@ -57,15 +68,12 @@ let
   '';
 
   expectedCustomTasks = pkgs.writeText "custom-expected.json" content;
-
 in
-{
+
+lib.mkIf (willUseIfd -> config.test.enableLegacyIfd) {
   programs.vscode = {
     enable = true;
-    package = pkgs.writeScriptBin "vscode" "" // {
-      pname = "vscode";
-      version = "1.75.0";
-    };
+    inherit package;
     profiles = {
       default.userTasks = tasks;
       test.userTasks = tasks;

tests/modules/programs/vscode/update-checks.nix

@@ -1,12 +1,21 @@
-{ pkgs, ... }:
+package:
+
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
 
 let
+  cfg = config.programs.vscode;
+  willUseIfd = package.pname != "vscode";
 
   settingsPath =
     if pkgs.stdenv.hostPlatform.isDarwin then
-      "Library/Application Support/Code/User/settings.json"
+      "Library/Application Support/${cfg.nameShort}/User/settings.json"
     else
-      ".config/Code/User/settings.json";
+      ".config/${cfg.nameShort}/User/settings.json";
 
   expectedSettings = pkgs.writeText "settings-expected.json" ''
     {
@@ -14,15 +23,12 @@ let
       "update.mode": "none"
     }
   '';
-
 in
-{
+
+lib.mkIf (willUseIfd -> config.test.enableLegacyIfd) {
   programs.vscode = {
     enable = true;
-    package = pkgs.writeScriptBin "vscode" "" // {
-      pname = "vscode";
-      version = "1.75.0";
-    };
+    inherit package;
     profiles.default = {
       enableUpdateCheck = false;
       enableExtensionUpdateCheck = false;