swayimg: support new lua config

Closes: #9479

tests/modules/programs/swayimg/default.nix

@@ -1,5 +1,6 @@
 { lib, pkgs, ... }:
 lib.optionalAttrs pkgs.stdenv.hostPlatform.isLinux {
-  swayimg-empty-settings = ./empty-settings.nix;
-  swayimg-example-settings = ./example-settings.nix;
+  swayimg-empty-initLua = ./empty-initLua.nix;
+  swayimg-example-initLua = ./example-initLua.nix;
+  swayimg-path-initLua = ./path-initLua.nix;
 }

tests/modules/programs/swayimg/empty-initLua.nix

@@ -0,0 +1,13 @@
+{ config, ... }:
+
+{
+
+  programs.swayimg = {
+    enable = true;
+    package = config.lib.test.mkStubPackage { };
+  };
+
+  nmt.script = ''
+    assertPathNotExists home-files/.config/swayimg
+  '';
+}

tests/modules/programs/swayimg/empty-settings.nix

@@ -1,7 +0,0 @@
-{
-  programs.swayimg.enable = true;
-
-  nmt.script = ''
-    assertPathNotExists home-files/.config/swayimg
-  '';
-}

tests/modules/programs/swayimg/example-initLua-expected.lua

@@ -0,0 +1,9 @@
+swayimg.text.set_size(32)
+swayimg.text.set_foreground(0xffff0000)
+
+swayimg.viewer.set_default_scale("fill")
+
+swayimg.gallery.on_key("Delete", function()
+  local image = swayimg.gallery.get_image()
+  os.remove(image.path)
+end)

tests/modules/programs/swayimg/example-initLua.nix

@@ -0,0 +1,26 @@
+{ config, ... }:
+
+{
+  programs.swayimg = {
+    enable = true;
+    package = config.lib.test.mkStubPackage { };
+
+    initLua = ''
+      swayimg.text.set_size(32)
+      swayimg.text.set_foreground(0xffff0000)
+
+      swayimg.viewer.set_default_scale("fill")
+
+      swayimg.gallery.on_key("Delete", function()
+        local image = swayimg.gallery.get_image()
+        os.remove(image.path)
+      end)
+    '';
+  };
+
+  nmt.script = ''
+    assertFileContent \
+      home-files/.config/swayimg/init.lua \
+      ${./example-initLua-expected.lua}
+  '';
+}

tests/modules/programs/swayimg/example-settings-expected.ini

@@ -1,9 +0,0 @@
-[info.viewer]
-top_left=+name,+format
-
-[keys.viewer]
-Shift+r=rand_file
-
-[viewer]
-scale=fill
-window=#10000010

tests/modules/programs/swayimg/example-settings.nix

@@ -1,27 +0,0 @@
-{ config, ... }:
-
-{
-  programs.swayimg = {
-    enable = true;
-    package = config.lib.test.mkStubPackage { };
-
-    settings = {
-      viewer = {
-        window = "#10000010";
-        scale = "fill";
-      };
-      "info.viewer" = {
-        top_left = "+name,+format";
-      };
-      "keys.viewer" = {
-        "Shift+r" = "rand_file";
-      };
-    };
-  };
-
-  nmt.script = ''
-    assertFileContent \
-      home-files/.config/swayimg/config \
-      ${./example-settings-expected.ini}
-  '';
-}

tests/modules/programs/swayimg/path-initLua.nix

@@ -0,0 +1,17 @@
+{ config, ... }:
+
+{
+
+  programs.swayimg = {
+    enable = true;
+    package = config.lib.test.mkStubPackage { };
+
+    initLua = ./example-initLua-expected.lua;
+  };
+
+  nmt.script = ''
+    assertFileContent \
+      home-files/.config/swayimg/init.lua \
+      ${./example-initLua-expected.lua}
+  '';
+}