gpg-agent: add darwin default homedir tests

tests/modules/services/gpg-agent/default-homedir-expected-agent.plist

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>EnvironmentVariables</key>
+	<dict>
+		<key>GNUPGHOME</key>
+		<string>/home/hm-user/.gnupg</string>
+	</dict>
+	<key>KeepAlive</key>
+	<dict>
+		<key>Crashed</key>
+		<true/>
+		<key>SuccessfulExit</key>
+		<false/>
+	</dict>
+	<key>Label</key>
+	<string>org.nix-community.home.gpg-agent</string>
+	<key>ProcessType</key>
+	<string>Background</string>
+	<key>ProgramArguments</key>
+	<array>
+		<string>@gpg@/bin/gpgconf</string>
+		<string>--launch</string>
+		<string>gpg-agent</string>
+	</array>
+	<key>RunAtLoad</key>
+	<false/>
+	<key>Sockets</key>
+	<dict>
+		<key>Agent</key>
+		<dict>
+			<key>SockPathMode</key>
+			<integer>384</integer>
+			<key>SockPathName</key>
+			<string>/home/hm-user/.gnupg/S.gpg-agent</string>
+			<key>SockType</key>
+			<string>stream</string>
+		</dict>
+	</dict>
+</dict>
+</plist>

tests/modules/services/gpg-agent/default-homedir.nix

@@ -2,19 +2,31 @@
 
 with lib;
 
-mkIf pkgs.stdenv.isLinux {
+let inherit (pkgs.stdenv) isDarwin;
+in {
   config = {
     services.gpg-agent.enable = true;
-    services.gpg-agent.pinentryPackage = pkgs.pinentry-gnome3;
+    services.gpg-agent.pinentryPackage =
-    programs.gpg.enable = true;
+      if isDarwin then pkgs.pinentry_mac else pkgs.pinentry-gnome3;
+    programs.gpg = {
+      enable = true;
+      package = config.lib.test.mkStubPackage { outPath = "@gpg@"; };
+    };
 
     test.stubs = {
       gnupg = { };
       systemd = { }; # depends on gnupg.override
       pinentry-gnome3 = { };
+      pinentry_mac = { };
     };
 
-    nmt.script = ''
+    nmt.script = if isDarwin then ''
+      serviceFile=LaunchAgents/org.nix-community.home.gpg-agent.plist
+      assertFileExists "$serviceFile"
+      assertFileContent "$serviceFile" ${./default-homedir-expected-agent.plist}
+      configFile=home-files/.gnupg/gpg-agent.conf
+      assertFileRegex $configFile "pinentry-program @pinentry_mac@/bin/dummy"
+    '' else ''
       in="${config.systemd.user.sockets.gpg-agent.Socket.ListenStream}"
       if [[ $in != "%t/gnupg/S.gpg-agent" ]]
       then

tests/modules/services/gpg-agent/override-homedir.nix

@@ -19,7 +19,9 @@ in {
     nmt.script = if isDarwin then ''
       serviceFile=LaunchAgents/org.nix-community.home.gpg-agent.plist
       assertFileExists "$serviceFile"
-      assertFileContent "$serviceFile" ${./expected-agent.plist}
+      assertFileContent "$serviceFile" ${
+        ./override-homedir-expected-agent.plist
+      }
     '' else ''
       in="${config.systemd.user.sockets.gpg-agent.Socket.ListenStream}"
       if [[ $in != "%t/gnupg/d.wp4h7ks5zxy4dodqadgpbbpz/S.gpg-agent" ]]