feat(readarr): fetch the Readarr host config and expose it on the CLI

src/cli/readarr/get_command_handler_tests.rs

@@ -22,7 +22,9 @@ mod tests {
     use rstest::rstest;
 
     #[rstest]
-    fn test_get_commands_have_no_arg_requirements(#[values("system-status")] subcommand: &str) {
+    fn test_get_commands_have_no_arg_requirements(
+      #[values("host-config", "system-status")] subcommand: &str,
+    ) {
       let result = Cli::command().try_get_matches_from(["managarr", "readarr", "get", subcommand]);
 
       assert_ok!(&result);
@@ -46,6 +48,29 @@ mod tests {
       network::{MockNetworkTrait, NetworkEvent, readarr_network::ReadarrEvent},
     };
 
+    #[tokio::test]
+    async fn test_handle_get_host_config_command() {
+      let mut mock_network = MockNetworkTrait::new();
+      mock_network
+        .expect_handle_network_event()
+        .with(eq::<NetworkEvent>(ReadarrEvent::GetHostConfig.into()))
+        .times(1)
+        .returning(|_| {
+          Ok(Serdeable::Readarr(ReadarrSerdeable::Value(
+            json!({"testResponse": "response"}),
+          )))
+        });
+      let app_arc = Arc::new(Mutex::new(App::test_default()));
+      let get_host_config_command = ReadarrGetCommand::HostConfig;
+
+      let result =
+        ReadarrGetCommandHandler::with(&app_arc, get_host_config_command, &mut mock_network)
+          .handle()
+          .await;
+
+      assert_ok!(&result);
+    }
+
     #[tokio::test]
     async fn test_handle_get_system_status_command() {
       let mut mock_network = MockNetworkTrait::new();