Issue #6161 - Add tests for NixOS modules.

lib/tests/modules.sh

@@ -0,0 +1,93 @@
+#!/bin/sh
+#
+# This script is used to test that the module system is working as expected.
+# By default it test the version of nixpkgs which is defined in the NIX_PATH.
+
+cd ./modules
+
+pass=0
+fail=0
+
+evalConfig() {
+    local attr=$1
+    shift;
+    local script="import ./default.nix { modules = [ $@ ];}"
+    nix-instantiate -E "$script" -A "$attr" --eval-only
+}
+
+reportFailure() {
+    local attr=$1
+    shift;
+    local script="import ./default.nix { modules = [ $@ ];}"
+    echo 2>&1 "$ nix-instantiate -E '$script' -A '$attr' --eval-only"
+    evalConfig "$attr" "$@"
+    fail=$((fail + 1))
+}
+
+checkConfigOutput() {
+    local outputContains=$1
+    shift;
+    if evalConfig "$@" 2>/dev/null | grep --silent "$outputContains" ; then
+        pass=$((pass + 1))
+        return 0;
+    else
+        echo 2>&1 "error: Expected result matching '$outputContains', while evaluating"
+        reportFailure "$@"
+        return 1
+    fi
+}
+
+checkConfigError() {
+    local errorContains=$1
+    shift;
+    if evalConfig "$@" 1>/dev/null 2>&1; then
+        echo 2>&1 "error: Expected error code, got exit code 0, while evaluating"
+        reportFailure "$@"
+        return 1
+    fi
+
+    if evalConfig "$@" 2>&1 >/dev/null | grep --silent "$errorContains" ; then
+        pass=$((pass + 1))
+        return 0;
+    else
+        echo 2>&1 "error: Expected error matching '$errorContains', while evaluating"
+        reportFailure "$@"
+        return 1
+    fi
+}
+
+checkConfigOutput "false" config.enable 
+checkConfigError 'The option .* defined in .* does not exist.' config.enable ./define-enable.nix
+set -- config.enable ./declare-enable.nix ./define-enable.nix
+checkConfigOutput "true" "$@"
+checkConfigOutput "false" "$@" ./define-force-enable.nix
+checkConfigOutput "false" "$@" ./define-enable-force.nix
+
+checkConfigError 'attribute .foo. .* not found' config.loaOfSub.foo.enable ./declare-loaOfSub-any-enable.nix
+checkConfigOutput 'false' config.loaOfSub.foo.enable ./declare-loaOfSub-any-enable.nix ./define-loaOfSub-foo.nix
+set -- config.loaOfSub.foo.enable ./declare-loaOfSub-any-enable.nix ./define-loaOfSub-foo-enable.nix
+checkConfigOutput 'true' "$@"
+checkConfigOutput 'false' "$@" ./define-force-loaOfSub-foo-enable.nix
+checkConfigOutput 'false' "$@" ./define-loaOfSub-force-foo-enable.nix
+checkConfigOutput 'false' "$@" ./define-loaOfSub-foo-force-enable.nix
+checkConfigOutput 'false' "$@" ./define-loaOfSub-foo-enable-force.nix
+
+checkConfigError 'attribute .bar. .* not found' config.loaOfSub.bar.enable ./declare-loaOfSub-any-enable.nix ./define-loaOfSub-foo.nix
+checkConfigOutput 'false' config.loaOfSub.bar.enable ./declare-loaOfSub-any-enable.nix ./define-loaOfSub-foo.nix ./define-loaOfSub-bar.nix
+set -- config.loaOfSub.bar.enable ./declare-loaOfSub-any-enable.nix ./define-loaOfSub-foo.nix ./define-loaOfSub-bar-enable.nix
+checkConfigOutput 'true' "$@"
+checkConfigError 'attribute .bar. .* not found' "$@" ./define-force-loaOfSub-foo-enable.nix
+checkConfigError 'attribute .bar. .* not found' "$@" ./define-loaOfSub-force-foo-enable.nix
+checkConfigOutput 'true' "$@" ./define-loaOfSub-foo-force-enable.nix
+checkConfigOutput 'true' "$@" ./define-loaOfSub-foo-enable-force.nix
+
+cat <<EOF
+====== module tests ======
+$pass Pass
+$fail Fail
+EOF
+
+if test $fail -ne 0; then
+    exit 1
+fi
+exit 0

lib/tests/modules/declare-enable.nix

@@ -0,0 +1,14 @@
+{ lib, ... }:
+
+{
+  options = {
+    enable = lib.mkOption {
+      default = false;
+      example = true;
+      type = lib.types.bool;
+      description = ''
+        Some descriptive text
+      '';
+    };
+  };
+}

lib/tests/modules/declare-loaOfSub-any-enable.nix

@@ -0,0 +1,29 @@
+{ lib, ... }:
+
+let
+  submod = { ... }: {
+    options = {
+      enable = lib.mkOption {
+        default = false;
+        example = true;
+        type = lib.types.bool;
+        description = ''
+          Some descriptive text
+        '';
+      };
+    };
+  };
+in
+
+{
+  options = {
+    loaOfSub = lib.mkOption {
+      default = {};
+      example = {};
+      type = lib.types.loaOf (lib.types.submodule [ submod ]);
+      description = ''
+        Some descriptive text
+      '';
+    };
+  };
+}

lib/tests/modules/default.nix

@@ -0,0 +1,7 @@
+{ lib ? import <nixpkgs/lib>, modules ? [] }:
+
+{
+  inherit (lib.evalModules {
+    inherit modules;
+  }) config options;
+}

lib/tests/modules/define-enable-force.nix

@@ -0,0 +1,5 @@
+{ lib, ... }:
+
+{
+  enable = lib.mkForce false;
+}

lib/tests/modules/define-enable.nix

@@ -0,0 +1,3 @@
+{
+  enable = true;
+}

lib/tests/modules/define-force-enable.nix

@@ -0,0 +1,5 @@
+{ lib, ... }:
+
+lib.mkForce {
+  enable = false;
+}

lib/tests/modules/define-force-loaOfSub-foo-enable.nix

@@ -0,0 +1,5 @@
+{ lib, ... }:
+
+lib.mkForce {
+  loaOfSub.foo.enable = false;
+}

lib/tests/modules/define-loaOfSub-bar-enable.nix

@@ -0,0 +1,3 @@
+{
+  loaOfSub.bar.enable = true;
+}

lib/tests/modules/define-loaOfSub-bar.nix

@@ -0,0 +1,3 @@
+{
+  loaOfSub.bar = {};
+}

lib/tests/modules/define-loaOfSub-foo-enable-force.nix

@@ -0,0 +1,5 @@
+{ lib, ... }:
+
+{
+  loaOfSub.foo.enable = lib.mkForce false;
+}

lib/tests/modules/define-loaOfSub-foo-enable.nix

@@ -0,0 +1,3 @@
+{
+  loaOfSub.foo.enable = true;
+}

lib/tests/modules/define-loaOfSub-foo-force-enable.nix

@@ -0,0 +1,7 @@
+{ lib, ... }:
+
+{
+  loaOfSub.foo = lib.mkForce {
+    enable = false;
+  };
+}

lib/tests/modules/define-loaOfSub-foo.nix

@@ -0,0 +1,3 @@
+{
+  loaOfSub.foo = {};
+}

lib/tests/modules/define-loaOfSub-force-foo-enable.nix

@@ -0,0 +1,7 @@
+{ lib, ... }:
+
+{
+  loaOfSub = lib.mkForce {
+    foo.enable = false;
+  };
+}