# frozen_string_literal: true

require "test_helper"

class FrontmatterTest < Minitest::Test
  def test_parse_extracts_metadata_and_body
    content = <<~POST
      +++
      title = "Hello"
      tags = ["a", "b"]
      +++

      Body text.
    POST
    metadata, body = Volumen::Frontmatter.parse(content)
    assert_equal "Hello", metadata["title"]
    assert_equal %w[a b], metadata["tags"]
    assert_equal "Body text.\n", body
  end

  def test_parse_without_frontmatter
    metadata, body = Volumen::Frontmatter.parse("# Just markdown\n")
    assert_empty metadata
    assert_equal "# Just markdown\n", body
  end

  def test_parse_without_closing_delimiter
    content = "+++\ntitle = \"x\"\n\nbody"
    metadata, body = Volumen::Frontmatter.parse(content)
    assert_empty metadata
    assert_equal content, body
  end

  def test_round_trip
    metadata = { "title" => "Hello", "tags" => ["intro"], "draft" => false }
    dumped = Volumen::Frontmatter.dump(metadata, "Hello **world**.")
    parsed_meta, parsed_body = Volumen::Frontmatter.parse(dumped)
    assert_equal metadata, parsed_meta
    assert_equal "Hello **world**.", parsed_body.strip
  end

  def test_parse_normalises_crlf
    metadata, body = Volumen::Frontmatter.parse("+++\r\ntitle = \"x\"\r\n+++\r\n\r\nBody\r\n")
    assert_equal "x", metadata["title"]
    assert_equal "Body\n", body
  end
end