package nip54

import (
	"strings"
	"testing"
)

func TestArticleAsHTML(t *testing.T) {
	tests := []struct {
		name     string
		input    string
		contains []string
	}{
		{
			name:     "simple paragraph",
			input:    "Hello world",
			contains: []string{"<p>", "Hello world", "</p>"},
		},
		{
			name:     "emphasis",
			input:    "*Hello* _world_",
			contains: []string{"<strong>", "Hello", "</strong>", "<em>", "world", "</em>"},
		},
		{
			name:     "heading",
			input:    "# Title",
			contains: []string{"<h1>", "Title", "</h1>"},
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			result := ArticleAsHTML(tt.input)
			for _, expected := range tt.contains {
				if !strings.Contains(result, expected) {
					t.Errorf("ArticleAsHTML() output does not contain %q\nGot: %s", expected, result)
				}
			}
		})
	}
}