Choices: components 031-040 (wip)

combobox_test.go

@@ -0,0 +1,162 @@
+package mujica
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+var comboboxTestFonts = []string{"Garamond", "Georgia", "Baskerville", "Didot", "Bodoni"}
+
+type comboboxRun struct {
+	value, query string
+	changes      int
+	queries      []string
+}
+
+func comboboxTester(r *comboboxRun, options func(query string) []string, opts ComboboxOptions) *ui.Tester {
+	return ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		ui.Column(c).Padding(10).Gap(10).Children(func() {
+			res := Combobox(c, &r.value, options(r.query), opts)
+			if res.Changed() {
+				r.changes++
+			}
+			if res.QueryChanged() {
+				r.queries = append(r.queries, res.Query())
+			}
+			r.query = res.Query()
+			Button(c, "Other", ButtonOptions{})
+		})
+	}, 400, 400)
+}
+
+func fixedFonts(string) []string { return comboboxTestFonts }
+
+func TestComboboxFiltersAndChooses(t *testing.T) {
+	r := &comboboxRun{}
+	tt := comboboxTester(r, fixedFonts, ComboboxOptions{Label: "Font"})
+	tt.Key(0, ui.KeyTab)
+	tt.Type("bo")
+	if !tt.HasText("Bodoni") || tt.HasText("Garamond") {
+		t.Fatalf("shown %v", tt.Texts())
+	}
+	tt.Key(0, ui.KeyEnter)
+	if r.value != "Bodoni" || r.changes != 1 {
+		t.Fatalf("value %q changes %d", r.value, r.changes)
+	}
+}
+
+func TestComboboxArrowsAndClick(t *testing.T) {
+	r := &comboboxRun{}
+	tt := comboboxTester(r, fixedFonts, ComboboxOptions{Label: "Font"})
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyDown)
+	tt.Key(0, ui.KeyDown)
+	tt.Key(0, ui.KeyEnter)
+	if r.value != "Georgia" {
+		t.Fatalf("arrows chose %q", r.value)
+	}
+	tt.Key(0, ui.KeyDown)
+	if err := tt.Click("Didot"); err != nil {
+		t.Fatal(err)
+	}
+	if r.value != "Didot" || r.query != "Didot" {
+		t.Fatalf("click chose %q, field %q", r.value, r.query)
+	}
+}
+
+func TestComboboxRevertsUnknownText(t *testing.T) {
+	r := &comboboxRun{value: "Didot"}
+	tt := comboboxTester(r, fixedFonts, ComboboxOptions{})
+	tt.Key(0, ui.KeyTab)
+	tt.Type("zzz")
+	if !tt.HasText("No matches") {
+		t.Fatal("no-match state missing")
+	}
+	tt.Key(0, ui.KeyTab)
+	if r.value != "Didot" || r.query != "Didot" || r.changes != 0 {
+		t.Fatalf("value %q field %q changes %d", r.value, r.query, r.changes)
+	}
+}
+
+func TestComboboxCustomValue(t *testing.T) {
+	r := &comboboxRun{}
+	tt := comboboxTester(r, fixedFonts, ComboboxOptions{AllowCustom: true})
+	tt.Key(0, ui.KeyTab)
+	tt.Type("Caslon")
+	if !tt.HasText("Use “Caslon”") {
+		t.Fatalf("custom option missing: %v", tt.Texts())
+	}
+	tt.Key(0, ui.KeyEnter)
+	if r.value != "Caslon" {
+		t.Fatalf("value %q", r.value)
+	}
+	tt.Type(" Pro")
+	tt.Key(0, ui.KeyTab)
+	if r.value != "Caslon Pro" {
+		t.Fatalf("blur kept %q", r.value)
+	}
+}
+
+func TestComboboxAsyncResults(t *testing.T) {
+	r := &comboboxRun{}
+	loading := true
+	remote := func(q string) []string {
+		if loading || q == "" {
+			return nil
+		}
+		var out []string
+		for _, f := range comboboxTestFonts {
+			if strings.Contains(strings.ToLower(f), strings.ToLower(q)) {
+				out = append(out, f+" (remote)")
+			}
+		}
+		return out
+	}
+	opts := ComboboxOptions{ExternalFilter: true}
+	tt := ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		opts.Loading = loading
+		res := Combobox(c, &r.value, remote(r.query), opts)
+		if res.QueryChanged() {
+			r.queries = append(r.queries, res.Query())
+		}
+		r.query = res.Query()
+	}, 400, 400)
+	tt.Key(0, ui.KeyTab)
+	tt.Type("di")
+	if len(r.queries) != 1 || r.queries[0] != "di" {
+		t.Fatalf("queries %v", r.queries)
+	}
+	if !tt.HasText("Loading…") {
+		t.Fatal("loading state missing")
+	}
+	loading = false
+	tt.Frame()
+	tt.Key(0, ui.KeyEnter)
+	if r.value != "Didot (remote)" {
+		t.Fatalf("value %q", r.value)
+	}
+}
+
+func TestComboboxDisabled(t *testing.T) {
+	r := &comboboxRun{value: "Didot"}
+	tt := comboboxTester(r, fixedFonts, ComboboxOptions{Disabled: true})
+	_ = tt.Click("Didot")
+	tt.Type("x")
+	if r.value != "Didot" || r.query != "Didot" || tt.HasText("Bodoni") {
+		t.Fatalf("disabled edited: %q %q", r.value, r.query)
+	}
+}
+
+func TestComboboxSnapshot(t *testing.T) {
+	snapshot(t, "combobox", 460, 110, func(c *ui.Context) {
+		a, b := "", "Didot"
+		ui.Row(c).Padding(20).Gap(16).Children(func() {
+			Combobox(c, &a, comboboxTestFonts, ComboboxOptions{Placeholder: "Typeface"})
+			Combobox(c, &b, comboboxTestFonts, ComboboxOptions{Loading: true})
+		})
+	})
+}