test(hover): cover GLib scheduling lifecycle

commit: 3737c79e9e8b240044322b91af8fdf2d3979ec32
author: brice · 3mo ago · 2026-07-14 06:15 UTC
committer: brice · 3mo ago · 2026-07-14 07:06 UTC
parent: a4de34e
signature: GPG VerifiedCD88F9E564E0102646FB6077A1A07C7C7C3E349D · arch-gpg Verified for the committer email

1 file · +55 -0

A internal/ui/input/hover_test.go +55 -0

@@ -0,0 +1,55 @@
	1	+	package input
	2	+
	3	+	import (
	4	+	"context"
	5	+	"testing"
	6	+
	7	+	"github.com/bnema/dumber/internal/domain/entity"
	8	+	)
	9	+
	10	+	func TestHoverHandlerSchedulesCallbackOnGLibAndRejectsStaleGeneration(t *testing.T) {
	11	+	h := NewHoverHandler(context.Background(), entity.PaneID("pane-1"))
	12	+	var scheduled func(uintptr) bool
	13	+	h.schedule = func(_ uint, fn func(uintptr) bool) uint {
	14	+	scheduled = fn
	15	+	return 7
	16	+	}
	17	+
	18	+	var calls int
	19	+	h.SetOnEnter(func(entity.PaneID) { calls++ })
	20	+	h.handleEnter()
	21	+	first := scheduled
	22	+	h.handleEnter()
	23	+	if first(0) {
	24	+	t.Fatal("hover source must be one-shot")
	25	+	}
	26	+	if calls != 0 {
	27	+	t.Fatalf("stale hover callback ran %d times", calls)
	28	+	}
	29	+	if scheduled == nil {
	30	+	t.Fatal("current hover callback was not scheduled")
	31	+	}
	32	+	if scheduled(0) {
	33	+	t.Fatal("hover source must be one-shot")
	34	+	}
	35	+	if calls != 1 {
	36	+	t.Fatalf("current hover callback ran %d times, want 1", calls)
	37	+	}
	38	+	}
	39	+
	40	+	func TestHoverHandlerDetachInvalidatesScheduledCallbackAndRemovesSource(t *testing.T) {
	41	+	h := NewHoverHandler(context.Background(), entity.PaneID("pane-1"))
	42	+	var scheduled func(uintptr) bool
	43	+	var removed []uint
	44	+	h.schedule = func(_ uint, fn func(uintptr) bool) uint { scheduled = fn; return 9 }
	45	+	h.removeSource = func(id uint) bool { removed = append(removed, id); return true }
	46	+	h.SetOnEnter(func(entity.PaneID) { t.Fatal("detached hover callback ran") })
	47	+	h.handleEnter()
	48	+	h.Detach()
	49	+	if len(removed) != 1 \|\| removed[0] != 9 {
	50	+	t.Fatalf("removed sources = %v, want [9]", removed)
	51	+	}
	52	+	if scheduled == nil \|\| scheduled(0) {
	53	+	t.Fatal("detached callback must be rejected and one-shot")
	54	+	}
	55	+	}

@@ -0,0 +1,55 @@
	1	+	package input
	2	+
	3	+	import (
	4	+	"context"
	5	+	"testing"
	6	+
	7	+	"github.com/bnema/dumber/internal/domain/entity"
	8	+	)
	9	+
	10	+	func TestHoverHandlerSchedulesCallbackOnGLibAndRejectsStaleGeneration(t *testing.T) {
	11	+	h := NewHoverHandler(context.Background(), entity.PaneID("pane-1"))
	12	+	var scheduled func(uintptr) bool
	13	+	h.schedule = func(_ uint, fn func(uintptr) bool) uint {
	14	+	scheduled = fn
	15	+	return 7
	16	+	}
	17	+
	18	+	var calls int
	19	+	h.SetOnEnter(func(entity.PaneID) { calls++ })
	20	+	h.handleEnter()
	21	+	first := scheduled
	22	+	h.handleEnter()
	23	+	if first(0) {
	24	+	t.Fatal("hover source must be one-shot")
	25	+	}
	26	+	if calls != 0 {
	27	+	t.Fatalf("stale hover callback ran %d times", calls)
	28	+	}
	29	+	if scheduled == nil {
	30	+	t.Fatal("current hover callback was not scheduled")
	31	+	}
	32	+	if scheduled(0) {
	33	+	t.Fatal("hover source must be one-shot")
	34	+	}
	35	+	if calls != 1 {
	36	+	t.Fatalf("current hover callback ran %d times, want 1", calls)
	37	+	}
	38	+	}
	39	+
	40	+	func TestHoverHandlerDetachInvalidatesScheduledCallbackAndRemovesSource(t *testing.T) {
	41	+	h := NewHoverHandler(context.Background(), entity.PaneID("pane-1"))
	42	+	var scheduled func(uintptr) bool
	43	+	var removed []uint
	44	+	h.schedule = func(_ uint, fn func(uintptr) bool) uint { scheduled = fn; return 9 }
	45	+	h.removeSource = func(id uint) bool { removed = append(removed, id); return true }
	46	+	h.SetOnEnter(func(entity.PaneID) { t.Fatal("detached hover callback ran") })
	47	+	h.handleEnter()
	48	+	h.Detach()
	49	+	if len(removed) != 1 \|\| removed[0] != 9 {
	50	+	t.Fatalf("removed sources = %v, want [9]", removed)
	51	+	}
	52	+	if scheduled == nil \|\| scheduled(0) {
	53	+	t.Fatal("detached callback must be rejected and one-shot")
	54	+	}
	55	+	}