feat(readarr): add the root folders handler

src/handlers/readarr_handlers/mod.rs

@@ -3,6 +3,7 @@ use crate::handlers::readarr_handlers::blocklist::BlocklistHandler;
 use crate::handlers::readarr_handlers::downloads::DownloadsHandler;
 use crate::handlers::readarr_handlers::history::HistoryHandler;
 use crate::handlers::readarr_handlers::library::LibraryHandler;
+use crate::handlers::readarr_handlers::root_folders::RootFoldersHandler;
 use crate::models::Route;
 use crate::{
   app::App, event::Key, matches_key,
@@ -13,6 +14,7 @@ mod blocklist;
 mod downloads;
 mod history;
 mod library;
+mod root_folders;
 
 #[cfg(test)]
 #[path = "readarr_handler_tests.rs"]
@@ -40,6 +42,10 @@ impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveReadarrBlock> for ReadarrHandler<'a,
       _ if HistoryHandler::accepts(self.active_readarr_block) => {
         HistoryHandler::new(self.key, self.app, self.active_readarr_block, self.context).handle();
       }
+      _ if RootFoldersHandler::accepts(self.active_readarr_block) => {
+        RootFoldersHandler::new(self.key, self.app, self.active_readarr_block, self.context)
+          .handle();
+      }
       _ => self.handle_key_event(),
     }
   }

src/handlers/readarr_handlers/readarr_handler_tests.rs

@@ -230,4 +230,19 @@ mod tests {
       active_readarr_block
     );
   }
+
+  #[rstest]
+  fn test_delegates_root_folders_blocks_to_root_folders_handler(
+    #[values(
+      ActiveReadarrBlock::RootFolders,
+      ActiveReadarrBlock::DeleteRootFolderPrompt
+    )]
+    active_readarr_block: ActiveReadarrBlock,
+  ) {
+    test_handler_delegation!(
+      ReadarrHandler,
+      ActiveReadarrBlock::RootFolders,
+      active_readarr_block
+    );
+  }
 }

src/handlers/readarr_handlers/root_folders/mod.rs

@@ -0,0 +1,166 @@
+use crate::app::App;
+use crate::event::Key;
+use crate::handlers::readarr_handlers::handle_change_tab_left_right_keys;
+use crate::handlers::table_handler::{TableHandlingConfig, handle_table};
+use crate::handlers::{KeyEventHandler, handle_clear_errors, handle_prompt_toggle};
+use crate::matches_key;
+use crate::models::servarr_data::readarr::modals::AddReadarrRootFolderModal;
+use crate::models::servarr_data::readarr::readarr_data::{
+  ADD_ROOT_FOLDER_BLOCKS, ADD_ROOT_FOLDER_SELECTION_BLOCKS, ActiveReadarrBlock, ROOT_FOLDERS_BLOCKS,
+};
+use crate::models::{BlockSelectionState, Route};
+use crate::network::readarr_network::ReadarrEvent;
+
+#[cfg(test)]
+#[path = "root_folders_handler_tests.rs"]
+mod root_folders_handler_tests;
+
+pub(super) struct RootFoldersHandler<'a, 'b> {
+  key: Key,
+  app: &'a mut App<'b>,
+  active_readarr_block: ActiveReadarrBlock,
+  _context: Option<ActiveReadarrBlock>,
+}
+
+impl RootFoldersHandler<'_, '_> {
+  fn extract_root_folder_id(&self) -> i64 {
+    self
+      .app
+      .data
+      .readarr_data
+      .root_folders
+      .current_selection()
+      .id
+  }
+}
+
+impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveReadarrBlock> for RootFoldersHandler<'a, 'b> {
+  fn handle(&mut self) {
+    let root_folders_table_handling_config =
+      TableHandlingConfig::new(ActiveReadarrBlock::RootFolders.into());
+
+    if !handle_table(
+      self,
+      |app| &mut app.data.readarr_data.root_folders,
+      root_folders_table_handling_config,
+    ) {
+      self.handle_key_event();
+    }
+  }
+
+  fn accepts(active_block: ActiveReadarrBlock) -> bool {
+    ROOT_FOLDERS_BLOCKS.contains(&active_block) || ADD_ROOT_FOLDER_BLOCKS.contains(&active_block)
+  }
+
+  fn ignore_special_keys(&self) -> bool {
+    self.app.ignore_special_keys_for_textbox_input
+  }
+
+  fn new(
+    key: Key,
+    app: &'a mut App<'b>,
+    active_block: ActiveReadarrBlock,
+    _context: Option<ActiveReadarrBlock>,
+  ) -> RootFoldersHandler<'a, 'b> {
+    RootFoldersHandler {
+      key,
+      app,
+      active_readarr_block: active_block,
+      _context,
+    }
+  }
+
+  fn get_key(&self) -> Key {
+    self.key
+  }
+
+  fn is_ready(&self) -> bool {
+    !self.app.is_loading && !self.app.data.readarr_data.root_folders.is_empty()
+  }
+
+  fn handle_scroll_up(&mut self) {}
+
+  fn handle_scroll_down(&mut self) {}
+
+  fn handle_home(&mut self) {}
+
+  fn handle_end(&mut self) {}
+
+  fn handle_delete(&mut self) {
+    if self.active_readarr_block == ActiveReadarrBlock::RootFolders {
+      self
+        .app
+        .push_navigation_stack(ActiveReadarrBlock::DeleteRootFolderPrompt.into())
+    }
+  }
+
+  fn handle_left_right_action(&mut self) {
+    match self.active_readarr_block {
+      ActiveReadarrBlock::RootFolders => handle_change_tab_left_right_keys(self.app, self.key),
+      ActiveReadarrBlock::DeleteRootFolderPrompt => handle_prompt_toggle(self.app, self.key),
+      _ => (),
+    }
+  }
+
+  fn handle_submit(&mut self) {
+    if self.active_readarr_block == ActiveReadarrBlock::DeleteRootFolderPrompt {
+      if self.app.data.readarr_data.prompt_confirm {
+        self.app.data.readarr_data.prompt_confirm_action = Some(ReadarrEvent::DeleteRootFolder(
+          self.extract_root_folder_id(),
+        ));
+      }
+
+      self.app.pop_navigation_stack();
+    }
+  }
+
+  fn handle_esc(&mut self) {
+    match self.active_readarr_block {
+      ActiveReadarrBlock::DeleteRootFolderPrompt => {
+        self.app.pop_navigation_stack();
+        self.app.data.readarr_data.prompt_confirm = false;
+      }
+      _ => handle_clear_errors(self.app),
+    }
+  }
+
+  fn handle_char_key_event(&mut self) {
+    let key = self.key;
+    match self.active_readarr_block {
+      ActiveReadarrBlock::RootFolders => match self.key {
+        _ if matches_key!(refresh, key) => {
+          self.app.should_refresh = true;
+        }
+        _ if matches_key!(add, key) => {
+          self.app.data.readarr_data.add_root_folder_modal =
+            Some(AddReadarrRootFolderModal::from(&self.app.data.readarr_data));
+          self.app.data.readarr_data.selected_block =
+            BlockSelectionState::new(ADD_ROOT_FOLDER_SELECTION_BLOCKS);
+          self
+            .app
+            .push_navigation_stack(ActiveReadarrBlock::AddRootFolderPrompt.into());
+        }
+        _ => (),
+      },
+      ActiveReadarrBlock::DeleteRootFolderPrompt => {
+        if matches_key!(confirm, key) {
+          self.app.data.readarr_data.prompt_confirm = true;
+          self.app.data.readarr_data.prompt_confirm_action = Some(ReadarrEvent::DeleteRootFolder(
+            self.extract_root_folder_id(),
+          ));
+
+          self.app.pop_navigation_stack();
+        }
+      }
+      _ => (),
+    }
+  }
+
+  fn app_mut(&mut self) -> &mut App<'b> {
+    self.app
+  }
+
+  fn current_route(&self) -> Route {
+    self.app.get_current_route()
+  }
+}

src/handlers/readarr_handlers/root_folders/root_folders_handler_tests.rs

@@ -0,0 +1,544 @@
+#[cfg(test)]
+mod tests {
+  use pretty_assertions::assert_eq;
+  use rstest::rstest;
+  use strum::IntoEnumIterator;
+
+  use crate::app::App;
+  use crate::app::key_binding::DEFAULT_KEYBINDINGS;
+  use crate::assert_modal_present;
+  use crate::assert_navigation_pushed;
+  use crate::event::Key;
+  use crate::handlers::KeyEventHandler;
+  use crate::handlers::readarr_handlers::root_folders::RootFoldersHandler;
+  use crate::models::servarr_data::readarr::readarr_data::{
+    ADD_ROOT_FOLDER_BLOCKS, ActiveReadarrBlock, ROOT_FOLDERS_BLOCKS,
+  };
+  use crate::models::servarr_models::RootFolder;
+
+  mod test_handle_delete {
+    use pretty_assertions::assert_eq;
+
+    use super::*;
+
+    const DELETE_KEY: Key = DEFAULT_KEYBINDINGS.delete.key;
+
+    #[test]
+    fn test_delete_root_folder_prompt() {
+      let mut app = App::test_default();
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+      app
+        .data
+        .readarr_data
+        .root_folders
+        .set_items(root_folders_vec());
+
+      RootFoldersHandler::new(DELETE_KEY, &mut app, ActiveReadarrBlock::RootFolders, None).handle();
+
+      assert_navigation_pushed!(app, ActiveReadarrBlock::DeleteRootFolderPrompt.into());
+    }
+
+    #[test]
+    fn test_delete_root_folder_prompt_no_op_when_not_ready() {
+      let mut app = App::test_default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+      app
+        .data
+        .readarr_data
+        .root_folders
+        .set_items(root_folders_vec());
+
+      RootFoldersHandler::new(DELETE_KEY, &mut app, ActiveReadarrBlock::RootFolders, None).handle();
+
+      assert_eq!(
+        app.get_current_route(),
+        ActiveReadarrBlock::RootFolders.into()
+      );
+    }
+  }
+
+  mod test_handle_left_right_action {
+    use pretty_assertions::assert_eq;
+    use rstest::rstest;
+
+    use super::*;
+    use crate::assert_navigation_pushed;
+
+    #[rstest]
+    fn test_root_folders_tab_left(#[values(true, false)] is_ready: bool) {
+      let mut app = App::test_default();
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+      app.is_loading = is_ready;
+      app.data.readarr_data.main_tabs.set_index(4);
+
+      RootFoldersHandler::new(
+        DEFAULT_KEYBINDINGS.left.key,
+        &mut app,
+        ActiveReadarrBlock::RootFolders,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.data.readarr_data.main_tabs.get_active_route(),
+        ActiveReadarrBlock::History.into()
+      );
+      assert_navigation_pushed!(app, ActiveReadarrBlock::History.into());
+    }
+
+    #[rstest]
+    fn test_root_folders_tab_right(#[values(true, false)] is_ready: bool) {
+      let mut app = App::test_default();
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+      app.is_loading = is_ready;
+      app.data.readarr_data.main_tabs.set_index(4);
+
+      RootFoldersHandler::new(
+        DEFAULT_KEYBINDINGS.right.key,
+        &mut app,
+        ActiveReadarrBlock::RootFolders,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.data.readarr_data.main_tabs.get_active_route(),
+        ActiveReadarrBlock::Indexers.into()
+      );
+      assert_navigation_pushed!(app, ActiveReadarrBlock::Indexers.into());
+    }
+
+    #[rstest]
+    fn test_left_right_delete_root_folder_prompt_toggle(
+      #[values(DEFAULT_KEYBINDINGS.left.key, DEFAULT_KEYBINDINGS.right.key)] key: Key,
+    ) {
+      let mut app = App::test_default();
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+
+      RootFoldersHandler::new(
+        key,
+        &mut app,
+        ActiveReadarrBlock::DeleteRootFolderPrompt,
+        None,
+      )
+      .handle();
+
+      assert!(app.data.readarr_data.prompt_confirm);
+
+      RootFoldersHandler::new(
+        key,
+        &mut app,
+        ActiveReadarrBlock::DeleteRootFolderPrompt,
+        None,
+      )
+      .handle();
+
+      assert!(!app.data.readarr_data.prompt_confirm);
+    }
+  }
+
+  mod test_handle_submit {
+    use pretty_assertions::assert_eq;
+
+    use super::*;
+    use crate::assert_navigation_popped;
+    use crate::network::readarr_network::ReadarrEvent;
+
+    const SUBMIT_KEY: Key = DEFAULT_KEYBINDINGS.submit.key;
+
+    #[test]
+    fn test_delete_root_folder_prompt_confirm_submit() {
+      let mut app = App::test_default();
+      app
+        .data
+        .readarr_data
+        .root_folders
+        .set_items(root_folders_vec());
+      app.data.readarr_data.root_folders.select_index(Some(1));
+      app.data.readarr_data.prompt_confirm = true;
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+      app.push_navigation_stack(ActiveReadarrBlock::DeleteRootFolderPrompt.into());
+
+      RootFoldersHandler::new(
+        SUBMIT_KEY,
+        &mut app,
+        ActiveReadarrBlock::DeleteRootFolderPrompt,
+        None,
+      )
+      .handle();
+
+      assert!(app.data.readarr_data.prompt_confirm);
+      assert_some_eq_x!(
+        &app.data.readarr_data.prompt_confirm_action,
+        &ReadarrEvent::DeleteRootFolder(2)
+      );
+      assert_navigation_popped!(app, ActiveReadarrBlock::RootFolders.into());
+    }
+
+    #[test]
+    fn test_delete_root_folder_prompt_decline_submit() {
+      let mut app = App::test_default();
+      app
+        .data
+        .readarr_data
+        .root_folders
+        .set_items(root_folders_vec());
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+      app.push_navigation_stack(ActiveReadarrBlock::DeleteRootFolderPrompt.into());
+
+      RootFoldersHandler::new(
+        SUBMIT_KEY,
+        &mut app,
+        ActiveReadarrBlock::DeleteRootFolderPrompt,
+        None,
+      )
+      .handle();
+
+      assert!(!app.data.readarr_data.prompt_confirm);
+      assert_none!(app.data.readarr_data.prompt_confirm_action);
+      assert_navigation_popped!(app, ActiveReadarrBlock::RootFolders.into());
+    }
+
+    #[test]
+    fn test_delete_root_folder_prompt_submit_no_op_when_not_ready() {
+      let mut app = App::test_default();
+      app.is_loading = true;
+      app
+        .data
+        .readarr_data
+        .root_folders
+        .set_items(root_folders_vec());
+      app.data.readarr_data.prompt_confirm = true;
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+      app.push_navigation_stack(ActiveReadarrBlock::DeleteRootFolderPrompt.into());
+
+      RootFoldersHandler::new(
+        SUBMIT_KEY,
+        &mut app,
+        ActiveReadarrBlock::DeleteRootFolderPrompt,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.get_current_route(),
+        ActiveReadarrBlock::DeleteRootFolderPrompt.into()
+      );
+      assert_none!(app.data.readarr_data.prompt_confirm_action);
+    }
+  }
+
+  mod test_handle_esc {
+    use super::*;
+    use crate::assert_navigation_popped;
+    use rstest::rstest;
+
+    const ESC_KEY: Key = DEFAULT_KEYBINDINGS.esc.key;
+
+    #[test]
+    fn test_delete_root_folder_prompt_block_esc() {
+      let mut app = App::test_default();
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+      app.push_navigation_stack(ActiveReadarrBlock::DeleteRootFolderPrompt.into());
+      app.data.readarr_data.prompt_confirm = true;
+
+      RootFoldersHandler::new(
+        ESC_KEY,
+        &mut app,
+        ActiveReadarrBlock::DeleteRootFolderPrompt,
+        None,
+      )
+      .handle();
+
+      assert_navigation_popped!(app, ActiveReadarrBlock::RootFolders.into());
+      assert!(!app.data.readarr_data.prompt_confirm);
+    }
+
+    #[rstest]
+    fn test_default_esc(#[values(true, false)] is_ready: bool) {
+      let mut app = App::test_default();
+      app.is_loading = is_ready;
+      app.error = "test error".to_owned().into();
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+
+      RootFoldersHandler::new(ESC_KEY, &mut app, ActiveReadarrBlock::RootFolders, None).handle();
+
+      assert_navigation_popped!(app, ActiveReadarrBlock::RootFolders.into());
+      assert_is_empty!(app.error.text);
+    }
+  }
+
+  mod test_handle_key_char {
+    use pretty_assertions::assert_eq;
+
+    use super::*;
+    use crate::assert_navigation_popped;
+    use crate::network::readarr_network::ReadarrEvent;
+
+    #[test]
+    fn test_root_folder_add() {
+      let mut app = App::test_default();
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+      app
+        .data
+        .readarr_data
+        .root_folders
+        .set_items(root_folders_vec());
+
+      RootFoldersHandler::new(
+        DEFAULT_KEYBINDINGS.add.key,
+        &mut app,
+        ActiveReadarrBlock::RootFolders,
+        None,
+      )
+      .handle();
+
+      assert_navigation_pushed!(app, ActiveReadarrBlock::AddRootFolderPrompt.into());
+      assert_modal_present!(app.data.readarr_data.add_root_folder_modal);
+      assert_eq!(
+        app.data.readarr_data.selected_block.get_active_block(),
+        ActiveReadarrBlock::AddRootFolderNameInput
+      );
+    }
+
+    #[test]
+    fn test_root_folder_add_no_op_when_not_ready() {
+      let mut app = App::test_default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+      app
+        .data
+        .readarr_data
+        .root_folders
+        .set_items(root_folders_vec());
+
+      RootFoldersHandler::new(
+        DEFAULT_KEYBINDINGS.add.key,
+        &mut app,
+        ActiveReadarrBlock::RootFolders,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.get_current_route(),
+        ActiveReadarrBlock::RootFolders.into()
+      );
+      assert_none!(app.data.readarr_data.add_root_folder_modal);
+    }
+
+    #[test]
+    fn test_refresh_root_folders_key() {
+      let mut app = App::test_default();
+      app
+        .data
+        .readarr_data
+        .root_folders
+        .set_items(root_folders_vec());
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+
+      RootFoldersHandler::new(
+        DEFAULT_KEYBINDINGS.refresh.key,
+        &mut app,
+        ActiveReadarrBlock::RootFolders,
+        None,
+      )
+      .handle();
+
+      assert_navigation_pushed!(app, ActiveReadarrBlock::RootFolders.into());
+      assert!(app.should_refresh);
+    }
+
+    #[test]
+    fn test_refresh_root_folders_key_no_op_when_not_ready() {
+      let mut app = App::test_default();
+      app.is_loading = true;
+      app
+        .data
+        .readarr_data
+        .root_folders
+        .set_items(root_folders_vec());
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+
+      RootFoldersHandler::new(
+        DEFAULT_KEYBINDINGS.refresh.key,
+        &mut app,
+        ActiveReadarrBlock::RootFolders,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.get_current_route(),
+        ActiveReadarrBlock::RootFolders.into()
+      );
+      assert!(!app.should_refresh);
+    }
+
+    #[test]
+    fn test_delete_root_folder_prompt_confirm() {
+      let mut app = App::test_default();
+      app
+        .data
+        .readarr_data
+        .root_folders
+        .set_items(root_folders_vec());
+      app.data.readarr_data.root_folders.select_index(Some(1));
+      app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+      app.push_navigation_stack(ActiveReadarrBlock::DeleteRootFolderPrompt.into());
+
+      RootFoldersHandler::new(
+        DEFAULT_KEYBINDINGS.confirm.key,
+        &mut app,
+        ActiveReadarrBlock::DeleteRootFolderPrompt,
+        None,
+      )
+      .handle();
+
+      assert!(app.data.readarr_data.prompt_confirm);
+      assert_some_eq_x!(
+        &app.data.readarr_data.prompt_confirm_action,
+        &ReadarrEvent::DeleteRootFolder(2)
+      );
+      assert_navigation_popped!(app, ActiveReadarrBlock::RootFolders.into());
+    }
+  }
+
+  #[test]
+  fn test_root_folders_handler_accepts() {
+    ActiveReadarrBlock::iter().for_each(|active_readarr_block| {
+      if ROOT_FOLDERS_BLOCKS.contains(&active_readarr_block)
+        || ADD_ROOT_FOLDER_BLOCKS.contains(&active_readarr_block)
+      {
+        assert!(
+          RootFoldersHandler::accepts(active_readarr_block),
+          "{active_readarr_block} is not accepted by the RootFoldersHandler"
+        );
+      } else {
+        assert!(
+          !RootFoldersHandler::accepts(active_readarr_block),
+          "{active_readarr_block} is accepted by the RootFoldersHandler"
+        );
+      }
+    })
+  }
+
+  #[rstest]
+  fn test_root_folders_handler_ignore_special_keys(
+    #[values(true, false)] ignore_special_keys_for_textbox_input: bool,
+  ) {
+    let mut app = App::test_default();
+    app.ignore_special_keys_for_textbox_input = ignore_special_keys_for_textbox_input;
+    let handler = RootFoldersHandler::new(
+      DEFAULT_KEYBINDINGS.esc.key,
+      &mut app,
+      ActiveReadarrBlock::default(),
+      None,
+    );
+
+    assert_eq!(
+      handler.ignore_special_keys(),
+      ignore_special_keys_for_textbox_input
+    );
+  }
+
+  #[test]
+  fn test_extract_root_folder_id() {
+    let mut app = App::test_default();
+    app
+      .data
+      .readarr_data
+      .root_folders
+      .set_items(root_folders_vec());
+    app.data.readarr_data.root_folders.select_index(Some(1));
+
+    let root_folder_id = RootFoldersHandler::new(
+      DEFAULT_KEYBINDINGS.esc.key,
+      &mut app,
+      ActiveReadarrBlock::DeleteRootFolderPrompt,
+      None,
+    )
+    .extract_root_folder_id();
+
+    assert_eq!(root_folder_id, 2);
+  }
+
+  #[test]
+  fn test_root_folders_handler_not_ready_when_loading() {
+    let mut app = App::test_default();
+    app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+    app.is_loading = true;
+    app
+      .data
+      .readarr_data
+      .root_folders
+      .set_items(root_folders_vec());
+
+    let handler = RootFoldersHandler::new(
+      DEFAULT_KEYBINDINGS.esc.key,
+      &mut app,
+      ActiveReadarrBlock::RootFolders,
+      None,
+    );
+
+    assert!(!handler.is_ready());
+  }
+
+  #[test]
+  fn test_root_folders_handler_not_ready_when_root_folders_is_empty() {
+    let mut app = App::test_default();
+    app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+    app.is_loading = false;
+
+    let handler = RootFoldersHandler::new(
+      DEFAULT_KEYBINDINGS.esc.key,
+      &mut app,
+      ActiveReadarrBlock::RootFolders,
+      None,
+    );
+
+    assert!(!handler.is_ready());
+  }
+
+  #[test]
+  fn test_root_folders_handler_ready_when_not_loading_and_root_folders_is_not_empty() {
+    let mut app = App::test_default();
+    app.push_navigation_stack(ActiveReadarrBlock::RootFolders.into());
+    app.is_loading = false;
+    app
+      .data
+      .readarr_data
+      .root_folders
+      .set_items(root_folders_vec());
+
+    let handler = RootFoldersHandler::new(
+      DEFAULT_KEYBINDINGS.esc.key,
+      &mut app,
+      ActiveReadarrBlock::RootFolders,
+      None,
+    );
+
+    assert!(handler.is_ready());
+  }
+
+  fn root_folders_vec() -> Vec<RootFolder> {
+    vec![
+      RootFolder {
+        id: 1,
+        path: "/nfs/books".to_owned(),
+        accessible: true,
+        free_space: 219902325555200,
+        unmapped_folders: None,
+      },
+      RootFolder {
+        id: 2,
+        path: "/nfs/audiobooks".to_owned(),
+        accessible: false,
+        free_space: 1024,
+        unmapped_folders: None,
+      },
+    ]
+  }
+}