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// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package markdown

import (
	"fmt"
	"testing"

	"code.gitea.io/gitea/modules/structs"

	"github.com/stretchr/testify/assert"
)

func TestExtractMetadata(t *testing.T) {
	t.Run("ValidFrontAndBody", func(t *testing.T) {
		var meta structs.IssueTemplate
		body, err := ExtractMetadata(fmt.Sprintf("%s\n%s\n%s\n%s", sepTest, frontTest, sepTest, bodyTest), &meta)
		assert.NoError(t, err)
		assert.Equal(t, bodyTest, body)
		assert.Equal(t, metaTest, meta)
		assert.True(t, meta.Valid())
	})

	t.Run("NoFirstSeparator", func(t *testing.T) {
		var meta structs.IssueTemplate
		_, err := ExtractMetadata(fmt.Sprintf("%s\n%s\n%s", frontTest, sepTest, bodyTest), &meta)
		assert.Error(t, err)
	})

	t.Run("NoLastSeparator", func(t *testing.T) {
		var meta structs.IssueTemplate
		_, err := ExtractMetadata(fmt.Sprintf("%s\n%s\n%s", sepTest, frontTest, bodyTest), &meta)
		assert.Error(t, err)
	})

	t.Run("NoBody", func(t *testing.T) {
		var meta structs.IssueTemplate
		body, err := ExtractMetadata(fmt.Sprintf("%s\n%s\n%s", sepTest, frontTest, sepTest), &meta)
		assert.NoError(t, err)
		assert.Equal(t, "", body)
		assert.Equal(t, metaTest, meta)
		assert.True(t, meta.Valid())
	})
}

var (
	sepTest   = "-----"
	frontTest = `name: Test
about: "A Test"
title: "Test Title"
labels:
  - bug
  - "test label"`
	bodyTest = "This is the body"
	metaTest = structs.IssueTemplate{
		Name:   "Test",
		About:  "A Test",
		Title:  "Test Title",
		Labels: []string{"bug", "test label"},
	}
)