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

datetime/date_range_picker_test.go

@@ -0,0 +1,140 @@
+package datetime
+
+import (
+	"testing"
+	"time"
+
+	"github.com/egoist/mygo/ui"
+
+	"github.com/ZacharyZhang-NY/MujicaUI/core"
+)
+
+func dateRangeTester(value *DateRange, opts DateRangePickerOptions, changes, cancels *int) *ui.Tester {
+	opts.Today = calendarToday
+	opts.Label = "Stay"
+	return ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{Mode: core.Light})
+		ui.Column(c).Padding(16).Children(func() {
+			r := DateRangePicker(c, value, opts)
+			if r.Changed() {
+				*changes++
+			}
+			if r.Canceled() {
+				*cancels++
+			}
+		})
+	}, 420, 520)
+}
+
+func oct(day int) core.Date { return core.Date{Year: 2026, Month: time.October, Day: day} }
+
+func TestDateRangePickerPickAndConfirm(t *testing.T) {
+	v, n, x := DateRange{}, 0, 0
+	tt := dateRangeTester(&v, DateRangePickerOptions{}, &n, &x)
+	if err := tt.Click("Stay"); err != nil {
+		t.Fatal(err)
+	}
+	if !tt.HasText("Choose the start date.") {
+		t.Fatalf("popup missing: %v", tt.Texts())
+	}
+	_ = tt.Click(datetimeTestLabel(oct(12)))
+	if !tt.HasText("From 2026-10-12, choose the end date.") {
+		t.Fatal("start not taken")
+	}
+	_ = tt.Click(datetimeTestLabel(oct(8)))
+	if !tt.HasText("From 2026-10-08, choose the end date.") {
+		t.Fatal("a day before the start should restart the range")
+	}
+	_ = tt.Click(datetimeTestLabel(oct(14)))
+	if !tt.HasText("2026-10-08 – 2026-10-14 · 7 days") || n != 0 {
+		t.Fatalf("draft should wait for Confirm: %v %d", v, n)
+	}
+	if err := tt.Click("Confirm"); err != nil {
+		t.Fatal(err)
+	}
+	if v != (DateRange{oct(8), oct(14)}) || n != 1 || x != 0 || tt.HasText("Confirm") {
+		t.Fatalf("confirm gave %v, n=%d x=%d", v, n, x)
+	}
+}
+
+func TestDateRangePickerCancelKeepsValue(t *testing.T) {
+	v, n, x := DateRange{oct(1), oct(3)}, 0, 0
+	tt := dateRangeTester(&v, DateRangePickerOptions{}, &n, &x)
+	_ = tt.Click("Stay")
+	_ = tt.Click(datetimeTestLabel(oct(20)))
+	tt.Key(0, ui.KeyEscape)
+	if v != (DateRange{oct(1), oct(3)}) || n != 0 || x != 1 {
+		t.Fatalf("Escape: %v n=%d x=%d", v, n, x)
+	}
+	_ = tt.Click("Stay")
+	_ = tt.Click("Cancel")
+	if x != 2 || tt.HasText("Confirm") {
+		t.Fatalf("Cancel: x=%d", x)
+	}
+	_ = tt.Click("Stay")
+	_ = tt.Click("Clear")
+	if !v.IsZero() || n != 1 || x != 2 {
+		t.Fatalf("Clear: %v n=%d x=%d", v, n, x)
+	}
+}
+
+func TestDateRangePickerLimits(t *testing.T) {
+	v, n, x := DateRange{}, 0, 0
+	opts := DateRangePickerOptions{Min: oct(5), DisableDate: func(d core.Date) bool { return d == oct(16) }}
+	tt := dateRangeTester(&v, opts, &n, &x)
+	_ = tt.Click("Stay")
+	_ = tt.Click(datetimeTestLabel(oct(2)))
+	if !tt.HasText("Choose the start date.") {
+		t.Fatal("a day before Min was taken")
+	}
+	_ = tt.Click(datetimeTestLabel(oct(14)))
+	_ = tt.Click(datetimeTestLabel(oct(18)))
+	if !tt.HasText("The range cannot include 2026-10-16.") {
+		t.Fatalf("span over a disabled day accepted: %v", tt.Texts())
+	}
+	_ = tt.Click("Confirm")
+	if n != 0 || !v.IsZero() {
+		t.Fatal("confirm without an end changed the value")
+	}
+	_ = tt.Click(datetimeTestLabel(oct(15)))
+	_ = tt.Click("Confirm")
+	if v != (DateRange{oct(14), oct(15)}) {
+		t.Fatalf("got %v", v)
+	}
+}
+
+func TestDateRangePickerKeyboard(t *testing.T) {
+	v, n, x := DateRange{}, 0, 0
+	tt := dateRangeTester(&v, DateRangePickerOptions{}, &n, &x)
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyDown)
+	if !tt.Focused(datetimeTestLabel(calendarToday)) {
+		t.Fatal("the popup should focus today")
+	}
+	tt.Key(0, ui.KeyEnter)
+	tt.Key(0, ui.KeyDown)
+	if !tt.HasText("From 2026-10-05, choose the end date.") {
+		t.Fatal("Enter should pick the start")
+	}
+	tt.Key(0, ui.KeySpace)
+	if !tt.HasText("2026-10-05 – 2026-10-12 · 8 days") {
+		t.Fatalf("Space should pick the end: %v", tt.Texts())
+	}
+}
+
+func TestDateRangeDays(t *testing.T) {
+	r := DateRange{core.Date{Year: 2026, Month: time.March, Day: 28}, core.Date{Year: 2026, Month: time.April, Day: 2}}
+	if r.Days() != 6 || (DateRange{}).Days() != 0 {
+		t.Fatalf("days %d", r.Days())
+	}
+}
+
+func TestDateRangePickerSnapshot(t *testing.T) {
+	a, b := DateRange{oct(8), oct(14)}, DateRange{}
+	snapshot(t, "date_range_picker", 640, 80, func(c *ui.Context) {
+		ui.Row(c).Padding(16).Gap(16).Children(func() {
+			DateRangePicker(c, &b, DateRangePickerOptions{Today: calendarToday})
+			DateRangePicker(c, &a, DateRangePickerOptions{Today: calendarToday})
+		})
+	})
+}