New behavior for h and l

New behavior for h and l, will change tabs if there are no available
panes in the direction.

cargo clippy

Ensuring atomicity for the MoveFocusOrTab

- Blocking the input thread for the action MoveFocusOrTab
- Using "unreachable" macro in match arm to make it clear that the
directions Up and Down should not be used with the action MoveFocusOrTab

Adding tests

13 files changed, 169 insertions, 19 deletions

diff --git a/assets/config/default.yaml b/assets/config/default.yaml
index d56004ef1..cb6aa2485 100644
--- a/assets/config/default.yaml
+++ b/assets/config/default.yaml
@@ -16,9 +16,9 @@ keybinds:
           key: [Ctrl: 'q',]
         - action: [NewPane: ]
           key: [ Alt: 'n',]
-        - action: [MoveFocus: Left,]
+        - action: [MoveFocusOrTab: Left,]
           key: [ Alt: 'h',]
-        - action: [MoveFocus: Right,]
+        - action: [MoveFocusOrTab: Right,]
           key: [ Alt: 'l',]
         - action: [MoveFocus: Down,]
           key: [ Alt: 'j',]
diff --git a/example/default.yaml b/example/default.yaml
index 578f4ebf9..cdddf1d35 100644
--- a/example/default.yaml
+++ b/example/default.yaml
@@ -16,9 +16,9 @@ keybinds:
           key: [Ctrl: 'q',]
         - action: [NewPane: ]
           key: [ Alt: 'n',]
-        - action: [MoveFocus: Left,]
+        - action: [MoveFocusOrTab: Left,]
           key: [ Alt: 'h',]
-        - action: [MoveFocus: Right,]
+        - action: [MoveFocusOrTab: Right,]
           key: [ Alt: 'l',]
         - action: [MoveFocus: Down,]
           key: [ Alt: 'j',]
diff --git a/example/tmux-overview.yaml b/example/tmux-overview.yaml
index 887a84ad2..c40bdb771 100644
--- a/example/tmux-overview.yaml
+++ b/example/tmux-overview.yaml
@@ -17,9 +17,9 @@ keybinds:
           key: [Ctrl: 'q',]
         - action: [NewPane: ]
           key: [ Alt: 'n',]
-        - action: [MoveFocus: Left,]
+        - action: [MoveFocusOrTab: Left,]
           key: [ Alt: 'h',]
-        - action: [MoveFocus: Right,]
+        - action: [MoveFocusOrTab: Right,]
           key: [ Alt: 'l',]
         - action: [MoveFocus: Down,]
           key: [ Alt: 'j',]
diff --git a/src/client/tab.rs b/src/client/tab.rs
index bbd68a4d5..7636be397 100644
--- a/src/client/tab.rs
+++ b/src/client/tab.rs
@@ -1848,12 +1848,13 @@ impl Tab {
         }
         self.render();
     }
-    pub fn move_focus_left(&mut self) {
+    // returns a boolean to allow the caller to know if the move happened or not
+    pub fn move_focus_left(&mut self) -> bool {
         if !self.has_selectable_panes() {
-            return;
+            return false;
         }
         if self.fullscreen_is_active {
-            return;
+            return false;
         }
         let active_terminal = self.get_active_pane();
         if let Some(active) = active_terminal {
@@ -1868,6 +1869,8 @@ impl Tab {
             match next_index {
                 Some(&p) => {
                     self.active_terminal = Some(p);
+                    self.render();
+                    return true;
                 }
                 None => {
                     self.active_terminal = Some(active.pid());
@@ -1876,7 +1879,7 @@ impl Tab {
         } else {
             self.active_terminal = Some(active_terminal.unwrap().pid());
         }
-        self.render();
+        false
     }
     pub fn move_focus_down(&mut self) {
         if !self.has_selectable_panes() {
@@ -1938,12 +1941,13 @@ impl Tab {
         }
         self.render();
     }
-    pub fn move_focus_right(&mut self) {
+    // returns a boolean to allow the caller to know if the move happened or not
+    pub fn move_focus_right(&mut self) -> bool {
         if !self.has_selectable_panes() {
-            return;
+            return false;
         }
         if self.fullscreen_is_active {
-            return;
+            return false;
         }
         let active_terminal = self.get_active_pane();
         if let Some(active) = active_terminal {
@@ -1958,6 +1962,8 @@ impl Tab {
             match next_index {
                 Some(&p) => {
                     self.active_terminal = Some(p);
+                    self.render();
+                    return true;
                 }
                 None => {
                     self.active_terminal = Some(active.pid());
@@ -1966,7 +1972,7 @@ impl Tab {
         } else {
             self.active_terminal = Some(active_terminal.unwrap().pid());
         }
-        self.render();
+        false
     }
     fn horizontal_borders(&self, terminals: &[PaneId]) -> HashSet<usize> {
         terminals.iter().fold(HashSet::new(), |mut borders, t| {
diff --git a/src/common/errors.rs b/src/common/errors.rs
index 148a3a9e8..c2caf19d6 100644
--- a/src/common/errors.rs
+++ b/src/common/errors.rs
@@ -192,9 +192,11 @@ pub enum ScreenContext {
     FocusNextPane,
     FocusPreviousPane,
     MoveFocusLeft,
+    MoveFocusLeftOrPreviousTab,
     MoveFocusDown,
     MoveFocusUp,
     MoveFocusRight,
+    MoveFocusRightOrNextTab,
     Exit,
     ScrollUp,
     ScrollDown,
@@ -237,9 +239,13 @@ impl From<&ScreenInstruction> for ScreenContext {
             ScreenInstruction::FocusNextPane => ScreenContext::FocusNextPane,
             ScreenInstruction::FocusPreviousPane => ScreenContext::FocusPreviousPane,
             ScreenInstruction::MoveFocusLeft => ScreenContext::MoveFocusLeft,
+            ScreenInstruction::MoveFocusLeftOrPreviousTab => {
+                ScreenContext::MoveFocusLeftOrPreviousTab
+            }
             ScreenInstruction::MoveFocusDown => ScreenContext::MoveFocusDown,
             ScreenInstruction::MoveFocusUp => ScreenContext::MoveFocusUp,
             ScreenInstruction::MoveFocusRight => ScreenContext::MoveFocusRight,
+            ScreenInstruction::MoveFocusRightOrNextTab => ScreenContext::MoveFocusRightOrNextTab,
             ScreenInstruction::Exit => ScreenContext::Exit,
             ScreenInstruction::ScrollUp => ScreenContext::ScrollUp,
             ScreenInstruction::ScrollDown => ScreenContext::ScrollDown,
diff --git a/src/common/input/actions.rs b/src/common/input/actions.rs
index 54cbbcdcd..b806aa3fc 100644
--- a/src/common/input/actions.rs
+++ b/src/common/input/actions.rs
@@ -29,6 +29,9 @@ pub enum Action {
     /// Move the focus pane in specified direction.
     SwitchFocus,
     MoveFocus(Direction),
+    /// Tries to move the focus pane in specified direction.
+    /// If there is no pane in the direction, move to previous/next Tab.
+    MoveFocusOrTab(Direction),
     /// Scroll up in focus pane.
     ScrollUp,
     /// Scroll down in focus pane.
diff --git a/src/common/input/handler.rs b/src/common/input/handler.rs
index 786352372..aa2048501 100644
--- a/src/common/input/handler.rs
+++ b/src/common/input/handler.rs
@@ -119,7 +119,8 @@ impl InputHandler {
             | Action::GoToNextTab
             | Action::GoToPreviousTab
             | Action::CloseTab
-            | Action::GoToTab(_) => {
+            | Action::GoToTab(_)
+            | Action::MoveFocusOrTab(_) => {
                 self.command_is_executing.blocking_input_thread();
                 self.os_input
                     .send_to_server(ServerInstruction::Action(action));
diff --git a/src/common/screen.rs b/src/common/screen.rs
index b12578a70..525575bf2 100644
--- a/src/common/screen.rs
+++ b/src/common/screen.rs
@@ -33,9 +33,11 @@ pub enum ScreenInstruction {
     FocusNextPane,
     FocusPreviousPane,
     MoveFocusLeft,
+    MoveFocusLeftOrPreviousTab,
     MoveFocusDown,
     MoveFocusUp,
     MoveFocusRight,
+    MoveFocusRightOrNextTab,
     Exit,
     ScrollUp,
     ScrollDown,
diff --git a/src/tests/integration/move_focus_left.rs b/src/tests/integration/move_focus_left.rs
index 3b87bb95e..5b6e05041 100644
--- a/src/tests/integration/move_focus_left.rs
+++ b/src/tests/integration/move_focus_left.rs
@@ -7,8 +7,9 @@ use crate::{start, CliArgs};
 
 use crate::common::input::config::Config;
 use crate::tests::utils::commands::{
-    MOVE_FOCUS_LEFT_IN_PANE_MODE, MOVE_FOCUS_RIGHT_IN_PANE_MODE, PANE_MODE, QUIT,
-    SPLIT_DOWN_IN_PANE_MODE, SPLIT_RIGHT_IN_PANE_MODE,
+    ENTER, MOVE_FOCUS_LEFT_IN_NORMAL_MODE, MOVE_FOCUS_LEFT_IN_PANE_MODE,
+    MOVE_FOCUS_RIGHT_IN_PANE_MODE, NEW_TAB_IN_TAB_MODE, PANE_MODE, QUIT, SPLIT_DOWN_IN_PANE_MODE,
+    SPLIT_RIGHT_IN_PANE_MODE, TAB_MODE,
 };
 
 fn get_fake_os_input(fake_win_size: &PositionAndSize) -> FakeInputOutput {
@@ -86,3 +87,41 @@ pub fn move_focus_left_to_the_most_recently_used_pane() {
         get_next_to_last_snapshot(snapshots).expect("could not find snapshot");
     assert_snapshot!(snapshot_before_quit);
 }
+
+#[test]
+pub fn move_focus_left_changes_tab() {
+    let fake_win_size = PositionAndSize {
+        columns: 121,
+        rows: 20,
+        x: 0,
+        y: 0,
+        ..Default::default()
+    };
+    let mut fake_input_output = get_fake_os_input(&fake_win_size);
+    fake_input_output.add_terminal_input(&[
+        &PANE_MODE,
+        &SPLIT_DOWN_IN_PANE_MODE,
+        &ENTER,
+        &TAB_MODE,
+        &NEW_TAB_IN_TAB_MODE,
+        &ENTER,
+        &MOVE_FOCUS_LEFT_IN_NORMAL_MODE,
+        &QUIT,
+    ]);
+    start(
+        Box::new(fake_input_output.clone()),
+        CliArgs::default(),
+        Box::new(fake_input_output.clone()),
+        Config::default(),
+    );
+
+    let output_frames = fake_input_output
+        .stdout_writer
+        .output_frames
+        .lock()
+        .unwrap();
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    let snapshot_before_quit =
+        get_next_to_last_snapshot(snapshots).expect("could not find snapshot");
+    assert_snapshot!(snapshot_before_quit);
+}
diff --git a/src/tests/integration/move_focus_right.rs b/src/tests/integration/move_focus_right.rs
index c6c17a750..e5d5ef3e8 100644
--- a/src/tests/integration/move_focus_right.rs
+++ b/src/tests/integration/move_focus_right.rs
@@ -7,8 +7,9 @@ use crate::{start, CliArgs};
 
 use crate::common::input::config::Config;
 use crate::tests::utils::commands::{
-    MOVE_FOCUS_LEFT_IN_PANE_MODE, MOVE_FOCUS_RIGHT_IN_PANE_MODE, PANE_MODE, QUIT,
-    SPLIT_DOWN_IN_PANE_MODE, SPLIT_RIGHT_IN_PANE_MODE,
+    ENTER, MOVE_FOCUS_LEFT_IN_PANE_MODE, MOVE_FOCUS_RIGHT_IN_NORMAL_MODE,
+    MOVE_FOCUS_RIGHT_IN_PANE_MODE, NEW_TAB_IN_TAB_MODE, PANE_MODE, QUIT, SPLIT_DOWN_IN_PANE_MODE,
+    SPLIT_RIGHT_IN_PANE_MODE, TAB_MODE,
 };
 
 fn get_fake_os_input(fake_win_size: &PositionAndSize) -> FakeInputOutput {
@@ -86,3 +87,41 @@ pub fn move_focus_right_to_the_most_recently_used_pane() {
         get_next_to_last_snapshot(snapshots).expect("could not find snapshot");
     assert_snapshot!(snapshot_before_quit);
 }
+
+#[test]
+pub fn move_focus_right_changes_tab() {
+    let fake_win_size = PositionAndSize {
+        columns: 121,
+        rows: 20,
+        x: 0,
+        y: 0,
+        ..Default::default()
+    };
+    let mut fake_input_output = get_fake_os_input(&fake_win_size);
+    fake_input_output.add_terminal_input(&[
+        &PANE_MODE,
+        &SPLIT_DOWN_IN_PANE_MODE,
+        &ENTER,
+        &TAB_MODE,
+        &NEW_TAB_IN_TAB_MODE,
+        &ENTER,
+        &MOVE_FOCUS_RIGHT_IN_NORMAL_MODE,
+        &QUIT,
+    ]);
+    start(
+        Box::new(fake_input_output.clone()),
+        CliArgs::default(),
+        Box::new(fake_input_output.clone()),
+        Config::default(),
+    );
+
+    let output_frames = fake_input_output
+        .stdout_writer
+        .output_frames
+        .lock()
+        .unwrap();
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    let snapshot_before_quit =
+        get_next_to_last_snapshot(snapshots).expect("could not find snapshot");
+    assert_snapshot!(snapshot_before_quit);
+}
diff --git a/src/tests/integration/snapshots/zellij__tests__integration__move_focus_left__move_focus_left_changes_tab.snap b/src/tests/integration/snapshots/zellij__tests__integration__move_focus_left__move_focus_left_changes_tab.snap
new file mode 100644
index 000000000..3eb21e659
--- /dev/null
+++ b/src/tests/integration/snapshots/zellij__tests__integration__move_focus_left__move_focus_left_changes_tab.snap
@@ -0,0 +1,25 @@
+---
+source: src/tests/integration/move_focus_left.rs
+expression: snapshot_before_quit
+
+---
+line11-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line12-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line13-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line14-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line15-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line16-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line17-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line18-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line19-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+prompt $                                                                                                                 
+─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
+line12-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line13-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line14-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line15-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line16-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line17-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line18-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line19-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+prompt $ █                                                                                                               
diff --git a/src/tests/integration/snapshots/zellij__tests__integration__move_focus_right__move_focus_right_changes_tab.snap b/src/tests/integration/snapshots/zellij__tests__integration__move_focus_right__move_focus_right_changes_tab.snap
new file mode 100644
index 000000000..cefab8e16
--- /dev/null
+++ b/src/tests/integration/snapshots/zellij__tests__integration__move_focus_right__move_focus_right_changes_tab.snap
@@ -0,0 +1,25 @@
+---
+source: src/tests/integration/move_focus_right.rs
+expression: snapshot_before_quit
+
+---
+line11-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line12-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line13-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line14-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line15-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line16-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line17-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line18-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line19-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+prompt $                                                                                                                 
+─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
+line12-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line13-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line14-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line15-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line16-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line17-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line18-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line19-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+prompt $ █                                                                                                               
diff --git a/src/tests/utils.rs b/src/tests/utils.rs
index aa622fe7c..10b243a77 100644
--- a/src/tests/utils.rs
+++ b/src/tests/utils.rs
@@ -47,6 +47,10 @@ pub fn get_next_to_last_snapshot(mut snapshots: Vec<String>) -> Option<String> {
 pub mod commands {
     pub const QUIT: [u8; 1] = [17]; // ctrl-q
     pub const ESC: [u8; 1] = [27];
+    pub const ENTER: [u8; 1] = [10]; // char '\n'
+
+    pub const MOVE_FOCUS_LEFT_IN_NORMAL_MODE: [u8; 2] = [27, 104]; // alt-h
+    pub const MOVE_FOCUS_RIGHT_IN_NORMAL_MODE: [u8; 2] = [27, 108]; // alt-l
 
     pub const PANE_MODE: [u8; 1] = [16]; // ctrl-p
     pub const SPAWN_TERMINAL_IN_PANE_MODE: [u8; 1] = [110]; // n