feat: Refactor all keybinding tips into a dynamically changing menu that can be invoked via '?' [#32]

src/handlers/keybinding_handler_tests.rs

@@ -0,0 +1,69 @@
+#[cfg(test)]
+mod tests {
+  use crate::app::key_binding::DEFAULT_KEYBINDINGS;
+  use crate::app::App;
+  use crate::event::Key;
+  use crate::handlers::KeyEventHandler;
+  use crate::handlers::KeybindingHandler;
+  use crate::models::servarr_data::ActiveKeybindingBlock;
+  use crate::models::stateful_table::StatefulTable;
+  use rstest::rstest;
+
+  mod test_handle_esc {
+    use super::*;
+    use crate::models::servarr_data::radarr::radarr_data::ActiveRadarrBlock;
+    use pretty_assertions::assert_eq;
+
+    const ESC_KEY: Key = DEFAULT_KEYBINDINGS.esc.key;
+
+    #[test]
+    fn test_esc_empties_keymapping_table() {
+      let mut app = App::test_default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveRadarrBlock::Movies.into());
+
+      KeybindingHandler::new(ESC_KEY, &mut app, ActiveKeybindingBlock::Help, None).handle();
+
+      assert_eq!(app.get_current_route(), ActiveRadarrBlock::Movies.into());
+      assert!(app.keymapping_table.is_none());
+    }
+  }
+
+  #[test]
+  fn test_keybinding_handler_accepts() {
+    assert!(KeybindingHandler::accepts(ActiveKeybindingBlock::Help));
+  }
+
+  #[test]
+  fn test_keybinding_handler_not_ready_when_keybinding_is_empty() {
+    let mut app = App::test_default();
+    app.is_loading = false;
+
+    let handler = KeybindingHandler::new(
+      DEFAULT_KEYBINDINGS.esc.key,
+      &mut app,
+      ActiveKeybindingBlock::Help,
+      None,
+    );
+
+    assert!(!handler.is_ready());
+  }
+
+  #[rstest]
+  fn test_keybinding_handler_ready_when_keymapping_table_is_not_empty(
+    #[values(true, false)] is_loading: bool,
+  ) {
+    let mut app = App::test_default();
+    app.keymapping_table = Some(StatefulTable::default());
+    app.is_loading = is_loading;
+
+    let handler = KeybindingHandler::new(
+      DEFAULT_KEYBINDINGS.esc.key,
+      &mut app,
+      ActiveKeybindingBlock::Help,
+      None,
+    );
+
+    assert!(handler.is_ready());
+  }
+}