1 files changed, 26 insertions, 0 deletions
diff --git a/nixos/tests/activation/nix-channel.nix b/nixos/tests/activation/nix-channel.nix
new file mode 100644
index 00000000000..d26ea98e56c
--- /dev/null
+++ b/nixos/tests/activation/nix-channel.nix
@@ -0,0 +1,26 @@
+{ lib, ... }:
+
+{
+
+  name = "activation-nix-channel";
+
+  meta.maintainers = with lib.maintainers; [ nikstur ];
+
+  nodes.machine = {
+    nix.channel.enable = true;
+  };
+
+  testScript = { nodes, ... }: ''
+    machine.start(allow_reboot=True)
+
+    assert machine.succeed("cat /root/.nix-channels") == "${nodes.machine.system.defaultChannel} nixos\n"
+
+    nixpkgs_unstable_channel = "https://nixos.org/channels/nixpkgs-unstable nixpkgs"
+    machine.succeed(f"echo '{nixpkgs_unstable_channel}' > /root/.nix-channels")
+
+    machine.reboot()
+
+    assert machine.succeed("cat /root/.nix-channels") == f"{nixpkgs_unstable_channel}\n"
+  '';
+
+}