1 files changed, 124 insertions, 0 deletions
diff --git a/nixpkgs/nixos/tests/vscode-remote-ssh.nix b/nixpkgs/nixos/tests/vscode-remote-ssh.nix
new file mode 100644
index 000000000000..de7cc6badc9a
--- /dev/null
+++ b/nixpkgs/nixos/tests/vscode-remote-ssh.nix
@@ -0,0 +1,124 @@
+import ./make-test-python.nix ({ lib, ... }@args: let
+  pkgs = args.pkgs.extend (self: super: {
+    stdenv = super.stdenv.override {
+      config = super.config // {
+        allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+          "vscode" "vscode-with-extensions" "vscode-extension-ms-vscode-remote-remote-ssh"
+        ];
+      };
+    };
+  });
+
+  inherit (import ./ssh-keys.nix pkgs) snakeOilPrivateKey snakeOilPublicKey;
+
+  inherit (pkgs.vscode.passthru) rev vscodeServer;
+in {
+  name = "vscode-remote-ssh";
+  meta.maintainers = with lib.maintainers; [ Enzime ];
+
+  nodes = let
+    serverAddress = "192.168.0.2";
+    clientAddress = "192.168.0.1";
+  in {
+    server = { ... }: {
+      networking.interfaces.eth1.ipv4.addresses = [ { address = serverAddress; prefixLength = 24; } ];
+      services.openssh.enable = true;
+      users.users.root.openssh.authorizedKeys.keys = [ snakeOilPublicKey ];
+      virtualisation.additionalPaths = with pkgs; [ patchelf bintools stdenv.cc.cc.lib ];
+    };
+    client = { ... }: {
+      imports = [ ./common/x11.nix ./common/user-account.nix ];
+      networking.interfaces.eth1.ipv4.addresses = [ { address = clientAddress; prefixLength = 24; } ];
+      networking.hosts.${serverAddress} = [ "server" ];
+      test-support.displayManager.auto.user = "alice";
+      environment.systemPackages = [
+        (pkgs.vscode-with-extensions.override {
+          vscodeExtensions = [
+            pkgs.vscode-extensions.ms-vscode-remote.remote-ssh
+          ];
+        })
+      ];
+    };
+  };
+
+  enableOCR = true;
+
+  testScript = let
+    jq = "${pkgs.jq}/bin/jq";
+
+    sshConfig = builtins.toFile "ssh.conf" ''
+      UserKnownHostsFile=/dev/null
+      StrictHostKeyChecking=no
+    '';
+
+    vscodeConfig = builtins.toFile "settings.json" ''
+      {
+        "window.zoomLevel": 1,
+        "security.workspace.trust.startupPrompt": "always"
+      }
+    '';
+  in ''
+    def connect_with_remote_ssh(screenshot, should_succeed):
+      print(f"connect_with_remote_ssh({screenshot=}, {should_succeed=})")
+
+      if server.execute("test -d ~/.vscode-server")[0] == 0:
+        server.succeed("rm -r ~/.vscode-server")
+
+      server.succeed("mkdir -p ~/.vscode-server/bin")
+      server.succeed("cp -r ${vscodeServer} ~/.vscode-server/bin/${rev}")
+
+      client.succeed("sudo -u alice code --remote=ssh-remote+root@server /root")
+      client.wait_for_window("Visual Studio Code")
+
+      client.wait_for_text("Do you trust the authors" if should_succeed else "Disconnected from SSH")
+      client.screenshot(screenshot)
+
+      if should_succeed:
+        # Press the Don't Trust button
+        client.send_key("tab")
+        client.send_key("tab")
+        client.send_key("tab")
+        client.send_key("\n")
+      else:
+        # Close the error dialog
+        client.send_key("esc")
+
+      # Don't send Ctrl-q too quickly otherwise it might not get sent to VS Code
+      client.sleep(1)
+      client.send_key("ctrl-q")
+      client.wait_until_fails("pidof code")
+
+
+    start_all()
+    server.wait_for_open_port(22)
+
+    VSCODE_COMMIT = server.execute("${jq} -r .commit ${pkgs.vscode}/lib/vscode/resources/app/product.json")[1].rstrip()
+    SERVER_COMMIT = server.execute("${jq} -r .commit ${vscodeServer}/product.json")[1].rstrip()
+
+    print(f"{VSCODE_COMMIT=} {SERVER_COMMIT=}")
+    assert VSCODE_COMMIT == SERVER_COMMIT, "VSCODE_COMMIT and SERVER_COMMIT do not match"
+
+    client.wait_until_succeeds("ping -c1 server")
+    client.succeed("sudo -u alice mkdir ~alice/.ssh")
+    client.succeed("sudo -u alice install -Dm 600 ${snakeOilPrivateKey} ~alice/.ssh/id_ecdsa")
+    client.succeed("sudo -u alice install ${sshConfig} ~alice/.ssh/config")
+    client.succeed("sudo -u alice install -Dm 644 ${vscodeConfig} ~alice/.config/Code/User/settings.json")
+
+    client.wait_for_x()
+    client.wait_for_file("~alice/.Xauthority")
+    client.succeed("xauth merge ~alice/.Xauthority")
+    # Move the mouse out of the way
+    client.succeed("${pkgs.xdotool}/bin/xdotool mousemove 0 0")
+
+    with subtest("fails to connect when nixpkgs isn't available"):
+      server.fail("nix-build '<nixpkgs>' -A hello")
+      connect_with_remote_ssh(screenshot="no_node_installed", should_succeed=False)
+      server.succeed("test -e ~/.vscode-server/bin/${rev}/node")
+      server.fail("~/.vscode-server/bin/${rev}/node -v")
+
+    with subtest("connects when server can patch Node"):
+      server.succeed("mkdir -p /nix/var/nix/profiles/per-user/root/channels")
+      server.succeed("ln -s ${pkgs.path} /nix/var/nix/profiles/per-user/root/channels/nixos")
+      connect_with_remote_ssh(screenshot="build_node_with_nix", should_succeed=True)
+  '';
+})