it: test focus moving

src/forker.rs

@@ -106,7 +106,7 @@ impl ForkerProxy {
             Forked::Child { .. } => {
                 drop(parent);
                 Forker::handle(pid, child)
-            },
+            }
         }
     }
 

src/it/test_config.rs

@@ -1,6 +1,8 @@
 use {
     crate::{
-        backend::InputDeviceId, ifs::wl_seat::SeatId, it::test_error::TestError,
+        backend::InputDeviceId,
+        ifs::wl_seat::SeatId,
+        it::test_error::{TestError, TestResult},
         utils::stack::Stack,
     },
     isnt::std_1::primitive::IsntConstPtrExt,
@@ -11,6 +13,7 @@ use {
             ConfigEntry, VERSION,
         },
         input::{InputDevice, Seat},
+        Direction,
     },
     std::{cell::Cell, ops::Deref, ptr, rc::Rc},
 };
@@ -171,6 +174,13 @@ impl TestConfig {
         })
     }
 
+    pub fn focus(&self, seat: SeatId, direction: Direction) -> TestResult {
+        self.send(ClientMessage::Focus {
+            seat: Seat(seat.raw() as _),
+            direction,
+        })
+    }
+
     fn clear(&self) {
         unsafe {
             if let Some(srv) = self.srv.take() {

src/it/test_ifs/test_keyboard.rs

@@ -23,6 +23,7 @@ pub struct TestKeyboard {
     pub server: CloneCell<Option<Rc<WlKeyboard>>>,
     pub destroyed: Once,
     pub enter: TEEH<TestEnterEvent>,
+    pub leave: TEEH<Leave>,
 }
 
 impl TestKeyboard {
@@ -49,7 +50,8 @@ impl TestKeyboard {
     }
 
     fn handle_leave(&self, parser: MsgParser<'_, '_>) -> TestResult {
-        let _ev = Leave::parse_full(parser)?;
+        let ev = Leave::parse_full(parser)?;
+        self.leave.push(ev);
         Ok(())
     }
 

src/it/test_ifs/test_seat.rs

@@ -43,6 +43,7 @@ impl TestSeat {
             server: Default::default(),
             destroyed: Default::default(),
             enter: Default::default(),
+            leave: Default::default(),
         });
         self.tran.add_obj(kb.clone())?;
         self.tran.sync().await;

src/it/test_utils/test_expected_event.rs

@@ -1,5 +1,6 @@
 use {
     crate::{it::test_error::TestResult, utils::clonecell::CloneCell},
+    isnt::std_1::collections::IsntVecDequeExt,
     std::{cell::RefCell, collections::VecDeque, rc::Rc},
 };
 
@@ -22,6 +23,13 @@ impl<T> TestExpectedEvent<T> {
             _ => bail!("No event occurred"),
         }
     }
+
+    pub fn none(&self) -> TestResult {
+        if self.data.events.borrow_mut().is_not_empty() {
+            bail!("There are unexpected events");
+        }
+        Ok(())
+    }
 }
 
 pub struct TestExpectedEventHolder<T> {

src/it/tests.rs

@@ -34,6 +34,7 @@ mod t0005_create_seat;
 mod t0006_region;
 mod t0007_subsurface;
 mod t0008_map_focus;
+mod t0009_tab_focus;
 
 pub trait TestCase: Sync {
     fn name(&self) -> &'static str;
@@ -60,5 +61,6 @@ pub fn tests() -> Vec<&'static dyn TestCase> {
         t0006_region,
         t0007_subsurface,
         t0008_map_focus,
+        t0009_tab_focus,
     }
 }

src/it/tests/t0009_tab_focus.rs

@@ -0,0 +1,51 @@
+use {
+    crate::it::{
+        test_error::{TestError, TestErrorExt},
+        testrun::TestRun,
+    },
+    jay_config::Direction,
+    std::rc::Rc,
+};
+
+testcase!();
+
+async fn test(run: Rc<TestRun>) -> Result<(), TestError> {
+    let ds = run.create_default_setup().await?;
+    ds.mouse.rel(1.0, 1.0);
+
+    let client = run.create_client().await?;
+    let default_seat = client.get_default_seat().await?;
+
+    let eleave = default_seat.kb.leave.expect()?;
+    let eenter = default_seat.kb.enter.expect()?;
+
+    let window = client.create_window().await?;
+    window.map().await?;
+
+    tassert!(eenter.next().is_ok());
+    tassert!(eleave.next().is_err());
+
+    let window2 = client.create_window().await?;
+    window2.map().await?;
+
+    let leave = eleave.next().with_context(|| "Did not leave")?;
+    let enter = eenter.next().with_context(|| "Did not enter")?;
+
+    tassert_eq!(leave.surface, window.surface.id);
+    tassert_eq!(enter.surface, window2.surface.id);
+
+    eenter.none().with_context(|| "Unexpected enter")?;
+    eleave.none().with_context(|| "Unexpected leave")?;
+
+    run.cfg.focus(ds.seat.id(), Direction::Left)?;
+
+    client.sync().await;
+
+    let leave = eleave.next().with_context(|| "Did not leave")?;
+    let enter = eenter.next().with_context(|| "Did not enter")?;
+
+    tassert_eq!(leave.surface, window2.surface.id);
+    tassert_eq!(enter.surface, window.surface.id);
+
+    Ok(())
+}