nixosTests.installed-tests.power-profiles-daemon: init

nixos/tests/installed-tests/default.nix

···
   malcontent = callInstalledTest ./malcontent.nix {};
   ostree = callInstalledTest ./ostree.nix {};
   pipewire = callInstalledTest ./pipewire.nix {};
+  power-profiles-daemon = callInstalledTest ./power-profiles-daemon.nix {};
   xdg-desktop-portal = callInstalledTest ./xdg-desktop-portal.nix {};
 }

nixos/tests/installed-tests/power-profiles-daemon.nix

···
+{ pkgs, lib, makeInstalledTest, ... }:
+
+makeInstalledTest {
+  tested = pkgs.power-profiles-daemon;
+
+  testConfig = {
+    services.power-profiles-daemon.enable = true;
+  };
+}

pkgs/os-specific/linux/power-profiles-daemon/default.nix

···
 , meson
 , ninja
 , fetchFromGitLab
+, fetchpatch
 , libgudev
 , glib
 , polkit
···
 , libxml2
 , libxslt
 , upower
+, umockdev
 , systemd
 , python3
 , wrapGAppsNoGuiHook
 , nixosTests
 }:
 
+let
+  testPythonPkgs = ps: with ps; [
+    pygobject3
+    dbus-python
+    python-dbusmock
+  ];
+  testTypelibPath = lib.makeSearchPathOutput "lib" "lib/girepository-1.0" [ umockdev ];
+in
 stdenv.mkDerivation rec {
   pname = "power-profiles-daemon";
   version = "0.10.1";
 
-  outputs = [ "out" "devdoc" ];
+  outputs = [ "out" "devdoc" "installedTests" ];
 
   src = fetchFromGitLab {
     domain = "gitlab.freedesktop.org";
···
     sha256 = "sha256-sQWiCHc0kEELdmPq9Qdk7OKDUgbM5R44639feC7gjJc=";
   };
 
+  patches = [
+    # Enable installed tests.
+    # https://gitlab.freedesktop.org/hadess/power-profiles-daemon/-/merge_requests/92
+    (fetchpatch {
+      url = "https://gitlab.freedesktop.org/hadess/power-profiles-daemon/-/commit/3c64d9e1732eb6425e33013c452f1c4aa7a26f7e.patch";
+      sha256 = "din5VuZZwARNDInHtl44yJK8pLmlxr5eoD4iMT4a8HA=";
+    })
+
+    # Install installed tests to separate output.
+    ./installed-tests-path.patch
+  ];
+
   nativeBuildInputs = [
     pkg-config
     meson
···
     libxml2 # for xmllint for stripping GResources
     libxslt # for xsltproc for building docs
     gobject-introspection
-    python3
     wrapGAppsNoGuiHook
     python3.pkgs.wrapPython
+
+    # For finding tests.
+    (python3.withPackages testPythonPkgs)
   ];
 
   buildInputs = [
···
   ];
 
   mesonFlags = [
+    "-Dinstalled_test_prefix=${placeholder "installedTests"}"
     "-Dsystemdsystemunitdir=${placeholder "out"}/lib/systemd/system"
     "-Dgtk_doc=true"
   ];
···
     patchShebangs tests/unittest_inspector.py
   '';
 
+  preConfigure = ''
+    # For finding tests.
+    GI_TYPELIB_PATH_original=$GI_TYPELIB_PATH
+    addToSearchPath GI_TYPELIB_PATH "${testTypelibPath}"
+  '';
+
+  postConfigure = ''
+    # Restore the original value to prevent the program from depending on umockdev.
+    export GI_TYPELIB_PATH=$GI_TYPELIB_PATH_original
+    unset GI_TYPELIB_PATH_original
+  '';
+
   preInstall = ''
     # We have pkexec on PATH so Meson will try to use it when installation fails
     # due to being unable to write to e.g. /etc.
···
     makeWrapperArgs+=("''${gappsWrapperArgs[@]}")
     # Make Python libraries available
     wrapPythonProgramsIn "$out/bin" "$pythonPath"
+
+    # Make Python libraries available for installed tests
+    makeWrapperArgs+=(
+      --prefix GI_TYPELIB_PATH : "${testTypelibPath}"
+      --prefix PATH : "${lib.makeBinPath [ umockdev ]}"
+      # Vala does not use absolute paths in typelibs
+      # https://github.com/NixOS/nixpkgs/issues/47226
+      # Also umockdev binaries use relative paths for LD_PRELOAD.
+      --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath [ umockdev ]}"
+      # dbusmock calls its templates using exec so our regular patching of Python scripts
+      # to add package directories to site will not carry over.
+      # https://github.com/martinpitt/python-dbusmock/blob/2254e69279a02fb3027b500ed7288b77c7a80f2a/dbusmock/mockobject.py#L51
+      # https://github.com/martinpitt/python-dbusmock/blob/2254e69279a02fb3027b500ed7288b77c7a80f2a/dbusmock/__main__.py#L60-L62
+      --prefix PYTHONPATH : "${lib.makeSearchPath python3.sitePackages (testPythonPkgs python3.pkgs)}"
+    )
+    wrapPythonProgramsIn "$installedTests/libexec/installed-tests" "$pythonPath ${lib.concatStringsSep " " (testPythonPkgs python3.pkgs)}"
   '';
 
   passthru = {
     tests = {
       nixos = nixosTests.power-profiles-daemon;
+      installed-tests = nixosTests.installed-tests.power-profiles-daemon;
     };
   };
 

pkgs/os-specific/linux/power-profiles-daemon/installed-tests-path.patch

···
+diff --git a/meson_options.txt b/meson_options.txt
+index 7e89619..76497db 100644
+--- a/meson_options.txt
++++ b/meson_options.txt
+@@ -1,3 +1,4 @@
++option('installed_test_prefix', type: 'string', description: 'Prefix for installed tests')
+ option('systemdsystemunitdir',
+        description: 'systemd unit directory',
+        type: 'string',
+diff --git a/tests/meson.build b/tests/meson.build
+index b306a7f..7670e1b 100644
+--- a/tests/meson.build
++++ b/tests/meson.build
+@@ -2,8 +2,8 @@ envs = environment()
+ envs.set ('top_builddir', meson.build_root())
+ envs.set ('top_srcdir', meson.source_root())
+ 
+-installed_test_bindir = libexecdir / 'installed-tests' / meson.project_name()
+-installed_test_datadir = datadir / 'installed-tests' / meson.project_name()
++installed_test_bindir = get_option('installed_test_prefix') / 'libexec' / 'installed-tests' / meson.project_name()
++installed_test_datadir = get_option('installed_test_prefix') / 'share' / 'installed-tests' / meson.project_name()
+ 
+ python3 = find_program('python3')
+ unittest_inspector = find_program('unittest_inspector.py')
+diff --git a/tests/integration-test.py b/tests/integration-test.py
+index 22dc42c..0f92b76 100755
+--- a/tests/integration-test.py
++++ b/tests/integration-test.py
+@@ -67,7 +67,7 @@ class Tests(dbusmock.DBusTestCase):
+             print('Testing binaries from JHBuild (%s)' % cls.daemon_path)
+         else:
+             cls.daemon_path = None
+-            with open('/usr/lib/systemd/system/power-profiles-daemon.service') as f:
++            with open('/run/current-system/sw/lib/systemd/system/power-profiles-daemon.service') as f:
+                 for line in f:
+                     if line.startswith('ExecStart='):
+                         cls.daemon_path = line.split('=', 1)[1].strip()