Correct saved gesture fixtures and preserve explicit cancellation assertions

crates/oa-desktop/src/behavior/scenario/presentation_tests.rs

@@ -188,28 +188,93 @@ fn complete_fallback_scene_selects_but_cannot_capture_or_finish_coordinate_gestu
         );
         assert!(input.press.is_none() && input.source.is_none());
     }
-    // A gesture already captured in a Ready frame is cancelled when capability is revoked.
-    scene.coordinate_input = true;
-    scene.interaction = Some((context, CanvasTool::Select, true));
+    // Capture from an actual Ready presentation, then revoke coordinate input
+    // with the complete fallback frame of the same Saved representation.
+    let Representation::Saved { diagram } = rep else {
+        unreachable!()
+    };
+    let mut ready_project = f.project.clone();
+    ready_project.diagrams.get_mut(&diagram).unwrap().layout =
+        Some(DiagramLayout::Scenario(ScenarioLayout::default()));
+    let ready_original = ready_project.clone();
+    let ready = state.display(&ready_project, f.owner, f.call).unwrap();
+    assert!(matches!(
+        ready.status(),
+        presentation::PresentationStatus::Ready
+    ));
+    let mut ready_scene = ready.into_scene().unwrap();
+    let line = ready_scene
+        .lines
+        .iter()
+        .find(|line| line.id == f.call)
+        .unwrap();
+    let ready_point = Point::new(
+        (line.points[0].x + line.points.last().unwrap().x) / 2.,
+        line.points[0].y,
+    );
+    let hit = ready_scene.hit_item(ready_point).unwrap();
+    assert_eq!(hit.id, f.call);
+    assert_eq!(hit.role, SceneHitRole::MessageBody);
+    let stamp = spacing::Stamp {
+        context,
+        camera_epoch: 17,
+    };
+    ready_scene.coordinate_input = true;
+    ready_scene.interaction = Some((context, CanvasTool::Select, true));
+    ready_scene.spacing_stamp = Some(stamp);
     let mut input = SequenceInput::default();
-    let _ = canvas::Program::update(
-        &scene,
+    let begin = canvas::Program::update(
+        &ready_scene,
         &mut input,
         &canvas::Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left)),
         bounds,
-        mouse::Cursor::Available(point),
-    );
-    assert!(input.press.is_some());
-    scene.coordinate_input = false;
+        mouse::Cursor::Available(ready_point),
+    )
+    .and_then(|action| action.into_inner().0)
+    .unwrap();
+    let Message::ScenarioCanvas(CanvasEvent::Spacing(spacing::Event::Begin {
+        stamp: captured_stamp,
+        token,
+        target: spacing::Target::Message(target),
+        ..
+    })) = begin
+    else {
+        panic!("Ready Saved message must begin a stamped spacing gesture");
+    };
+    assert_eq!(captured_stamp, stamp);
+    assert_eq!(target, f.call);
+    assert!(matches!(input.press, Some(SequencePress::Spacing {
+        stamp: held_stamp, token: held_token
+    }) if held_stamp == stamp && held_token == token));
+    scene.interaction = Some((context, CanvasTool::Select, true));
+    assert!(!scene.coordinate_input && scene.spacing_stamp.is_none());
+    let release = canvas::Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left));
     let result = canvas::Program::update(
         &scene,
         &mut input,
-        &canvas::Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left)),
+        &release,
         bounds,
-        mouse::Cursor::Available(point),
+        mouse::Cursor::Available(ready_point),
+    )
+    .and_then(|action| action.into_inner().0);
+    assert!(
+        matches!(result, Some(Message::ScenarioCanvas(CanvasEvent::Spacing(
+        spacing::Event::Cancel { stamp: cancelled_stamp, token: cancelled_token }
+    ))) if cancelled_stamp == stamp && cancelled_token == token)
     );
-    assert!(result.and_then(|action| action.into_inner().0).is_none());
-    assert!(input.press.is_none());
+    assert!(input.press.is_none() && input.source.is_none());
+    assert!(
+        canvas::Program::update(
+            &scene,
+            &mut input,
+            &release,
+            bounds,
+            mouse::Cursor::Available(ready_point),
+        )
+        .and_then(|action| action.into_inner().0)
+        .is_none()
+    );
+    assert_eq!(ready_project, ready_original);
     assert_eq!(f.project, original);
 }
 

crates/oa-desktop/src/behavior/scenario/spacing/controller/tests.rs

@@ -345,10 +345,22 @@ fn fractional_screen_packet_preserves_subpixel_motion_in_preview_and_finish() {
     let camera = state.camera_boundary();
     let context = state.context(document, owner, doc.revision(), 4).unwrap();
     let baseline = resolve(doc.project(), context.representation, message).unwrap();
-    let line = baseline.scene.lines.iter().find(|line| line.id == message).unwrap();
+    let line = baseline
+        .scene
+        .lines
+        .iter()
+        .find(|line| line.id == message)
+        .unwrap();
     assert_eq!(line.points[0].y, 148.);
     let begin = packet(doc.project(), &state, context, 9, Target::Message(message));
-    let Event::Begin { press_screen, canvas_bounds, scale, pan, .. } = begin else {
+    let Event::Begin {
+        press_screen,
+        canvas_bounds,
+        scale,
+        pan,
+        ..
+    } = begin
+    else {
         unreachable!()
     };
     assert_eq!(canvas_bounds.y, 23.);
@@ -364,8 +376,8 @@ fn fractional_screen_packet_preserves_subpixel_motion_in_preview_and_finish() {
     // Independent oracle: 148 + (10 - 2^-15) / .5 = 168 - 2^-14.
     let expected_y = f32::from_bits(0x4327_fffc);
     let mut expected = original.decoded.project.clone();
-    expected.diagrams.get_mut(&diagram).unwrap().layout = Some(
-        oa_core::DiagramLayout::Scenario(oa_core::ScenarioLayout {
+    expected.diagrams.get_mut(&diagram).unwrap().layout =
+        Some(oa_core::DiagramLayout::Scenario(oa_core::ScenarioLayout {
             lanes: vec![],
             messages: vec![oa_core::ScenarioMessagePosition {
                 address: oa_core::OccurrenceEndpoint {
@@ -374,15 +386,26 @@ fn fractional_screen_packet_preserves_subpixel_motion_in_preview_and_finish() {
                 },
                 send_y: expected_y,
             }],
-        }),
-    );
+        }));
     state.begin_spacing(doc.project(), begin).unwrap();
     state.move_spacing(end);
     let preview = state.spacing.as_ref().unwrap().preview.as_ref().unwrap();
     assert_eq!(preview.project, expected);
-    let line = preview.geometry.scene.lines.iter().find(|line| line.id == message).unwrap();
+    let line = preview
+        .geometry
+        .scene
+        .lines
+        .iter()
+        .find(|line| line.id == message)
+        .unwrap();
     assert_eq!(line.points[0].y.to_bits(), expected_y.to_bits());
-    let Finish::Commit { command, selected, scale, pan } = state.finish_spacing(end).unwrap() else {
+    let Finish::Commit {
+        command,
+        selected,
+        scale,
+        pan,
+    } = state.finish_spacing(end).unwrap()
+    else {
         panic!("fractional motion must remain a commit")
     };
     assert_eq!(selected, message);