writekit/internal/markdown/markdown_test.go

package markdown

import (
	"strings"
	"testing"
)

func TestCodeBlockWithTitle(t *testing.T) {
	input := "```typescript title=\"app.ts\"\nconst x = 1\n```"

	result, err := Render(input)
	if err != nil {
		t.Fatalf("Render failed: %v", err)
	}

	// Check that the code-block wrapper is present
	if !strings.Contains(result, `class="code-block"`) {
		t.Error("Expected code-block wrapper class")
	}

	// Check that the header with title is present
	if !strings.Contains(result, `class="code-title"`) {
		t.Error("Expected code-title class")
	}

	// Check that the title text is rendered
	if !strings.Contains(result, "app.ts") {
		t.Error("Expected title 'app.ts' in output")
	}

	// Check that the icon is present
	if !strings.Contains(result, `class="code-icon"`) {
		t.Error("Expected code-icon class")
	}

	// Check that the copy button is present
	if !strings.Contains(result, `class="code-copy"`) {
		t.Error("Expected code-copy class")
	}

	t.Log("Rendered output:")
	t.Log(result)
}

func TestCodeBlockWithoutTitle(t *testing.T) {
	input := "```go\nfmt.Println(\"hello\")\n```"

	result, err := Render(input)
	if err != nil {
		t.Fatalf("Render failed: %v", err)
	}

	// Should still have header with language
	if !strings.Contains(result, `class="code-block"`) {
		t.Error("Expected code-block wrapper for language-only block")
	}

	if !strings.Contains(result, "go") {
		t.Error("Expected language 'go' in output")
	}

	t.Log("Rendered output:")
	t.Log(result)
}

func TestCodeBlockPlain(t *testing.T) {
	input := "```\nplain code\n```"

	result, err := Render(input)
	if err != nil {
		t.Fatalf("Render failed: %v", err)
	}

	// Plain code blocks without language/title should not have header
	if strings.Contains(result, `class="code-header"`) {
		t.Error("Plain code blocks should not have header")
	}

	t.Log("Rendered output:")
	t.Log(result)
}