Merge pull request #29040 from NeQuissimus/tests_sys

More basic system tests

3 files changed, 84 insertions, 0 deletions

diff --git a/nixos/tests/env.nix b/nixos/tests/env.nix
new file mode 100644
index 000000000000..c6b0424e97b9
--- /dev/null
+++ b/nixos/tests/env.nix
@@ -0,0 +1,35 @@
+import ./make-test.nix ({ pkgs, ...} : {
+  name = "environment";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ nequissimus ];
+  };
+
+  machine = { config, lib, pkgs, ... }:
+    {
+      boot.kernelPackages = pkgs.linuxPackages;
+      environment.etc."plainFile".text = ''
+        Hello World
+      '';
+      environment.etc."folder/with/file".text = ''
+        Foo Bar!
+      '';
+
+      environment.sessionVariables = {
+        TERMINFO_DIRS = "/run/current-system/sw/share/terminfo";
+        NIXCON = "awesome";
+      };
+    };
+
+  testScript =
+    ''
+      $machine->succeed('[ -L "/etc/plainFile" ]');
+      $machine->succeed('cat "/etc/plainFile" | grep "Hello World"');
+      $machine->succeed('[ -d "/etc/folder" ]');
+      $machine->succeed('[ -d "/etc/folder/with" ]');
+      $machine->succeed('[ -L "/etc/folder/with/file" ]');
+      $machine->succeed('cat "/etc/plainFile" | grep "Hello World"');
+
+      $machine->succeed('echo ''${TERMINFO_DIRS} | grep "/run/current-system/sw/share/terminfo"');
+      $machine->succeed('echo ''${NIXCON} | grep "awesome"');
+    '';
+})
diff --git a/nixos/tests/kernel-params.nix b/nixos/tests/kernel-params.nix
new file mode 100644
index 000000000000..14a393356911
--- /dev/null
+++ b/nixos/tests/kernel-params.nix
@@ -0,0 +1,24 @@
+import ./make-test.nix ({ pkgs, ...} : {
+  name = "kernel-params";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ nequissimus ];
+  };
+
+  machine = { config, lib, pkgs, ... }:
+    {
+      boot.kernelPackages = pkgs.linuxPackages;
+      boot.kernelParams = [
+        "nohibernate"
+        "page_poison=1"
+        "vsyscall=none"
+      ];
+    };
+
+  testScript =
+    ''
+      $machine->fail("cat /proc/cmdline | grep page_poison=0");
+      $machine->succeed("cat /proc/cmdline | grep nohibernate");
+      $machine->succeed("cat /proc/cmdline | grep page_poison=1");
+      $machine->succeed("cat /proc/cmdline | grep vsyscall=none");
+    '';
+})
diff --git a/nixos/tests/sysctl.nix b/nixos/tests/sysctl.nix
new file mode 100644
index 000000000000..d7220cabb22c
--- /dev/null
+++ b/nixos/tests/sysctl.nix
@@ -0,0 +1,25 @@
+import ./make-test.nix ({ pkgs, ...} : {
+  name = "sysctl";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ nequissimus ];
+  };
+
+  machine = { config, lib, pkgs, ... }:
+    {
+      boot.kernelPackages = pkgs.linuxPackages;
+      boot.kernel.sysctl = {
+        "kernel.dmesg_restrict" = true; # Restrict dmesg access
+        "net.core.bpf_jit_enable" = false; # Turn off bpf JIT
+        "user.max_user_namespaces" = 0; # Disable user namespaces
+        "vm.swappiness" = 2; # Low swap usage
+      };
+    };
+
+  testScript =
+    ''
+      $machine->succeed("sysctl kernel.dmesg_restrict | grep 'kernel.dmesg_restrict = 1'");
+      $machine->succeed("sysctl net.core.bpf_jit_enable | grep 'net.core.bpf_jit_enable = 0'");
+      $machine->succeed("sysctl user.max_user_namespaces | grep 'user.max_user_namespaces = 0'");
+      $machine->succeed("sysctl vm.swappiness | grep 'vm.swappiness = 2'");
+    '';
+})