awscli: Add test

nixos/tests/all-tests.nix

@@ -28,6 +28,7 @@ in
   atd = handleTest ./atd.nix {};
   avahi = handleTest ./avahi.nix {};
   avahi-with-resolved = handleTest ./avahi.nix { networkd = true; };
+  awscli = handleTest ./awscli.nix { };
   babeld = handleTest ./babeld.nix {};
   bazarr = handleTest ./bazarr.nix {};
   bcachefs = handleTestOn ["x86_64-linux"] ./bcachefs.nix {}; # linux-4.18.2018.10.12 is unsupported on aarch64

nixos/tests/awscli.nix

@@ -0,0 +1,17 @@
+import ./make-test-python.nix ({ pkgs, ...} : {
+  name = "awscli";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ nequissimus ];
+  };
+
+  machine = { pkgs, ... }:
+    {
+      environment.systemPackages = [ pkgs.awscli ];
+    };
+
+  testScript =
+    ''
+      assert "${pkgs.python3Packages.botocore.version}" in machine.succeed("aws --version")
+      assert "${pkgs.awscli.version}" in machine.succeed("aws --version")
+    '';
+})

pkgs/tools/admin/awscli/default.nix

@@ -1,4 +1,5 @@
 { lib
+, nixosTests
 , python3
 , groff
 , less
@@ -64,7 +65,11 @@ in with py.pkgs; buildPythonApplication rec {
     rm $out/bin/aws.cmd
   '';
 
-  passthru.python = py; # for aws_shell
+  passthru = {
+    python = py; # for aws_shell
+
+    tests = { inherit (nixosTests) awscli; };
+  };
 
   meta = with lib; {
     homepage = "https://aws.amazon.com/cli/";