machine tests take two

flake/tests/checks/nixos-minimal.nix

@@ -0,0 +1,73 @@
+{
+  testers,
+  profiles,
+  modules,
+  ...
+}:
+testers.runNixOSTest {
+  name = "nvf-nixos-test";
+  nodes.machine = {pkgs, ...}: {
+    imports = [
+      profiles.minimal
+      modules.nixos.nvf
+    ];
+
+    programs.nvf = {
+      enable = true;
+
+      settings.vim = {
+        viAlias = true;
+        vimAlias = true;
+
+        globals = {
+          editorconfig = true;
+        };
+
+        extraPackages = [pkgs.lazygit];
+      };
+    };
+  };
+
+  testScript =
+    # python
+    ''
+      machine.start()
+      machine.wait_for_unit("multi-user.target")
+
+      with subtest("Verify that Neovim can be run by the test user and displays its version"):
+        machine.succeed("runuser -l test -c 'nvim --version'")
+
+      with subtest("Launch Neovim and immediately quit to verify it starts correctly"):
+        machine.succeed("runuser -l test -c 'nvim -c q'")
+
+      with subtest("Create a test file and open it with Neovim"):
+        machine.succeed("runuser -l test -c 'echo \"test content\" > /home/test/testfile.txt'")
+        machine.succeed("runuser -l test -c 'nvim -c \"wq\" /home/test/testfile.txt'")
+
+      with subtest("Verify the file was edited and saved correctly"):
+        machine.succeed("grep 'test content' /home/test/testfile.txt")
+
+      with subtest("Run specific Neovim commands and verify the output"):
+        machine.succeed("runuser -l test -c 'echo hello > /home/test/input.txt'")
+        machine.succeed("runuser -l test -c 'nvim --headless -c \"normal iworld\" -c \"wq\" /home/test/input.txt'")
+        machine.succeed("grep 'worldhello' /home/test/input.txt")
+
+      with subtest("Test nvf configuration"):
+        machine.succeed("runuser -l test -c 'nvim --headless -c \"lua if vim.g.editorconfig == true then io.open(\\\"/home/test/config_result.txt\\\", \\\"w\\\"):write(\\\"true\\\"):close() end\" -c q'")
+        machine.succeed("runuser -l test -c 'test -e /home/test/config_result.txt'")
+        machine.succeed("runuser -l test -c 'cat /home/test/config_result.txt | grep true'")
+
+      with subtest("Check for errors in startup messages"):
+        machine.succeed("runuser -l test -c 'nvim --headless --startuptime /home/test/startup.log +q'")
+        machine.succeed("runuser -l test -c 'grep -v -i \"error\" /home/test/startup.log | wc -l > /home/test/line_count.txt'")
+        machine.succeed("test $(cat /home/test/line_count.txt) -gt 0")
+
+      with subtest("Verify files in Neovim runtime path"):
+        machine.succeed("runuser -l test -c 'nvim --cmd \"set rtp\" --headless -c q 2>&1 | grep \"/nix/store/\" > /home/test/vimruntime.txt'")
+        machine.succeed("test -s /home/test/vimruntime.txt")
+
+      with subtest("Verify extrapackages can be executed inside Neovim"):
+        machine.succeed("runuser -l test -c 'nvim --headless -c \"silent !which lazygit > /home/test/lazygit_path.txt\" -c q'")
+        machine.succeed("runuser -l test -c 'grep \"/nix/store/\" /home/test/lazygit_path.txt'")
+    '';
+}