Split into category packages; module github.com/ZacharyZhang-NY/MujicaUI

navigation/breadcrumb_test.go

@@ -0,0 +1,111 @@
+package navigation
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+
+	"github.com/ZacharyZhang-NY/MujicaUI/core"
+	"github.com/ZacharyZhang-NY/MujicaUI/icons"
+)
+
+func breadcrumbPath(names ...string) []BreadcrumbItem {
+	var items []BreadcrumbItem
+	for _, n := range names {
+		items = append(items, BreadcrumbItem{Label: n})
+	}
+	return items
+}
+
+func TestBreadcrumbChoose(t *testing.T) {
+	got := -1
+	tt := ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		if i, ok := Breadcrumb(c, breadcrumbPath("Home", "Library", "Poems"), BreadcrumbOptions{}).Chosen(); ok {
+			got = i
+		}
+	}, 500, 100)
+	if err := tt.Click("Library"); err != nil {
+		t.Fatal(err)
+	}
+	if got != 1 {
+		t.Fatalf("chose %d, want 1", got)
+	}
+	got = -1
+	_ = tt.Click("Poems")
+	if got != -1 {
+		t.Fatalf("current item acted as a link: %d", got)
+	}
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyEnter)
+	if got != 0 {
+		t.Fatalf("Enter on first link chose %d", got)
+	}
+}
+
+func TestBreadcrumbFolds(t *testing.T) {
+	got := -1
+	tt := ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		if i, ok := Breadcrumb(c, breadcrumbPath("Root", "Alpha", "Beta", "Gamma", "Omega", "Leaf"), BreadcrumbOptions{}).Chosen(); ok {
+			got = i
+		}
+	}, 600, 300)
+	for _, hidden := range []string{"Alpha", "Beta", "Gamma"} {
+		if tt.HasText(hidden) {
+			t.Fatalf("%s should be folded: %q", hidden, tt.Texts())
+		}
+	}
+	if !tt.HasText("Omega") || !tt.HasText("Root") {
+		t.Fatalf("ends missing: %q", tt.Texts())
+	}
+	if err := tt.Click("Show hidden path"); err != nil {
+		t.Fatal(err)
+	}
+	if !tt.HasText("Beta") || !tt.Focused("Alpha") {
+		t.Fatalf("menu did not open with focus on first: %q", tt.Texts())
+	}
+	tt.Key(0, ui.KeyEscape)
+	if tt.HasText("Beta") {
+		t.Fatal("Escape did not close the menu")
+	}
+	_ = tt.Click("Show hidden path")
+	if err := tt.Click("Gamma"); err != nil {
+		t.Fatal(err)
+	}
+	if got != 3 || tt.HasText("Beta") {
+		t.Fatalf("chose %d, want 3, menu closed", got)
+	}
+}
+
+func TestBreadcrumbInvalid(t *testing.T) {
+	for name, tc := range map[string]struct {
+		items []BreadcrumbItem
+		opts  BreadcrumbOptions
+	}{
+		"empty": {nil, BreadcrumbOptions{}},
+		"max":   {breadcrumbPath("a", "b"), BreadcrumbOptions{MaxItems: 2}},
+		"label": {[]BreadcrumbItem{{Icon: icons.Must("house")}}, BreadcrumbOptions{}},
+	} {
+		t.Run(name, func(t *testing.T) {
+			defer func() {
+				if recover() == nil {
+					t.Fatal("no panic")
+				}
+			}()
+			ui.Render(func(c *ui.Context) {
+				core.Use(c, core.Settings{})
+				Breadcrumb(c, tc.items, tc.opts)
+			}, 300, 100, 1)
+		})
+	}
+}
+
+func TestBreadcrumbSnapshot(t *testing.T) {
+	snapshot(t, "breadcrumb", 560, 120, func(c *ui.Context) {
+		ui.Column(c).Padding(16).Gap(12).AlignItems(ui.Start).Children(func() {
+			Breadcrumb(c, []BreadcrumbItem{{Label: "Home", Icon: icons.Must("house")}, {Label: "Library"}, {Label: "Collected poems"}}, BreadcrumbOptions{})
+			Breadcrumb(c, breadcrumbPath("Archive", "2026", "October", "Correspondence of the court", "Letter to the Duchess of Mujica"), BreadcrumbOptions{MaxItemWidth: 140})
+		})
+	})
+}