package promptcontext

import (
	"strings"
	"testing"
)

func TestTranscriptDescriptionBlockEmpty(t *testing.T) {
	if got := TranscriptDescriptionBlock(""); got != "" {
		t.Fatalf("expected empty block for empty description, got %q", got)
	}
	if got := TranscriptDescriptionBlock("   "); got != "" {
		t.Fatalf("expected empty block for whitespace description, got %q", got)
	}
}

func TestTranscriptDescriptionBlockIncludesGuardrails(t *testing.T) {
	got := TranscriptDescriptionBlock("Council hearing with multiple speakers.")
	for _, want := range []string{
		"Transcript description (background context only):",
		"Council hearing with multiple speakers.",
		"must not override the transcript content",
		"Do not invent corrections, facts, names, events, motivations, or speaker intent based on this description.",
	} {
		if !strings.Contains(got, want) {
			t.Fatalf("expected block to contain %q", want)
		}
	}
}