WIP components (as built)

context_mention_menu_test.go

@@ -14,8 +14,8 @@ var mentionSample = []ContextItem{
 	{ID: "f2", Label: "seating.xlsx", Detail: "~/ball", Kind: ContextFile},
 }
 
-// mentionTester filters items as an async source would, one frame late.
-type mentionTester struct {
+// contextMentionTester supplies filtered results one frame later.
+type contextMentionTester struct {
 	text    string
 	items   []ContextItem
 	loading bool
@@ -23,7 +23,7 @@ type mentionTester struct {
 	queries []string
 }
 
-func (m *mentionTester) view(c *ui.Context) {
+func (m *contextMentionTester) view(c *ui.Context) {
 	Use(c, Settings{})
 	ui.Column(c).Fill().Justify(ui.End).Padding(16).Children(func() {
 		p := PromptComposer(c, &m.text, PromptComposerOptions{Label: "Prompt"})
@@ -44,7 +44,7 @@ func (m *mentionTester) view(c *ui.Context) {
 }
 
 func TestContextMentionMenuGroupsAndChooses(t *testing.T) {
-	m := &mentionTester{}
+	m := &contextMentionTester{}
 	tt := ui.NewTester(m.view, 600, 500)
 	_ = tt.Click("Prompt")
 	tt.Type("Read @")
@@ -68,7 +68,7 @@ func TestContextMentionMenuGroupsAndChooses(t *testing.T) {
 }
 
 func TestContextMentionMenuOnlyAfterSpaceAndLoading(t *testing.T) {
-	m := &mentionTester{loading: true}
+	m := &contextMentionTester{loading: true}
 	tt := ui.NewTester(m.view, 600, 500)
 	_ = tt.Click("Prompt")
 	tt.Type("mail@host")
@@ -93,16 +93,46 @@ func TestContextMentionMenuBadItem(t *testing.T) {
 			t.Fatal("no panic for an item without ID")
 		}
 	}()
-	m := &mentionTester{items: []ContextItem{{Label: "x"}}}
+	m := &contextMentionTester{items: []ContextItem{{Label: "x"}}}
 	ui.NewTester(m.view, 300, 300)
 }
 
 func TestContextMentionMenuSnapshot(t *testing.T) {
 	snapshotAfter(t, "context_mention_menu", 560, 420, func(c *ui.Context) {
-		(*ui.Local(c.Root(), "m", func() *mentionTester { return &mentionTester{items: mentionSample} })).view(c)
+		(*ui.Local(c.Root(), "m", func() *contextMentionTester { return &contextMentionTester{items: mentionSample} })).view(c)
 	}, func(tt *ui.Tester) {
 		_ = tt.Click("Prompt")
 		tt.Type("Compare @")
 		tt.Frame()
 	})
 }
+
+func TestContextMentionMenuAsyncFirstChoiceAndDisabledQuery(t *testing.T) {
+	text, off := "@", false
+	var items []ContextItem
+	picked, queries := "", 0
+	tt := ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		p := PromptComposer(c, &text, PromptComposerOptions{Label: "Prompt", Disabled: off})
+		r := ContextMentionMenu(c, p, &text, items, ContextMentionOptions{Loading: items == nil})
+		if r.QueryChanged() {
+			queries++
+		}
+		if it, ok := r.Chosen(); ok {
+			picked = it.ID
+		}
+	}, 400, 300)
+	_ = tt.Click("Prompt")
+	items = []ContextItem{{ID: "first", Label: "First", Kind: ContextDoc}}
+	tt.Frame()
+	tt.Key(0, ui.KeyEnter)
+	if picked != "first" || text != "" {
+		t.Errorf("async first choice: %q text %q", picked, text)
+	}
+	off, text = true, "@other"
+	before := queries
+	tt.Frame()
+	if queries != before {
+		t.Errorf("disabled menu issued %d queries", queries-before)
+	}
+}