Function TestPopoverTabCompletesUniquePrefix

internal/tui/tui_test.go:328–343

TestPopoverTabCompletesUniquePrefix: with one match, Tab completes the name and, because /models takes args, appends a space that flips the popover into arg-level mode. Flow: "/mod " → "/models " + arg popover.

(t *testing.T)

// and, because /models takes args, appends a space that flips the popover into
// arg-level mode. Flow: "/mod<Tab>" → "/models " + arg popover.
func TestPopoverTabCompletesUniquePrefix(t *testing.T) {
	m := newTestModel(t, func(http.ResponseWriter, *http.Request) {})
	mm := typeInto(m, "/mod") // only /models matches
	if len(mm.suggest) != 1 {
		t.Fatalf("precondition: one match for /mod, got %d", len(mm.suggest))
	}
	mm2, _ := mm.Update(tea.KeyMsg{Type: tea.KeyTab})
	om := mm2.(Model)
	if got := om.ta.Value(); got != "/models " {
		t.Fatalf("Tab should complete to '/models ' (with trailing space), got %q", got)
	}
	if !om.suggestArgLevel || om.activeCmd != "/models" {
		t.Fatalf("popover should have transitioned to arg-level for /models: "+
			"level=%v cmd=%q", om.suggestArgLevel, om.activeCmd)
	}
}

// TestPopoverTabOnClearCommandHasNoArgSpace: /clear takes no args, so Tab
// completes to "/clear" WITHOUT a trailing space.