gollum/test/test_migrate.rb

# ~*~ encoding: utf-8 ~*~
require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))

def load_script(**args)
  settings = {
    :run_silent => true,
    :no_dry_run => true,
    :prefer_relative => true,
    :hyphenate => false,
    :page_file_dir => nil,
  }.merge(args)

  settings.each do |setting, val|
    variable_name = :"@@#{setting.to_s}"

    unless Object.class_variable_defined?(variable_name) && Object.class_variable_get(variable_name) == val
      Object.class_variable_set(variable_name, val)
    end
  end

  script_path = File.expand_path(File.join(File.dirname(__FILE__), '../', 'bin', 'gollum-migrate-tags'))

  Dir.chdir(@path) do
    load script_path
  end
end

unless ENV['CI']
  context '4.x -> 5.x tag migrator' do
    include Rack::Test::Methods

    setup do
      @path = cloned_testpath("examples/lotr_migration.git")
    end

    test 'repair broken links' do
      # The original contents of Subdir/Foo.md:
      #
      # waa
      # [[Samwi]]
      # [[samwise gamgee.mediaWiki]]
      # [[Samwise Gamgee.mediawiki]]
      # [[Samwise Gamgee]]
      # [[Test|Samwise Gamgee#Anchor]]
      # [[Waaa|Test]]
      # [[Zaa]]
      #
      # The contents will be updated after running the migration script.
      load_script

      file = ::File.new(::File.join(@path, 'Subdir/Foo.md'), 'r')
      assert_equal <<~FILE_CONTENTS, file.read
        waa
        [[Samwi]]
        [[/Samwise Gamgee.mediawiki]]
        [[/Samwise Gamgee.mediawiki]]
        [[/Samwise Gamgee.md]]
        [[Test|/Samwise Gamgee.md#Anchor]]
        [[Waaa|/Bar/Test.md]]
        [[Subsub/Zaa.md]]
      FILE_CONTENTS
    end

    test 'change spaced filenames to hyphenated filenames' do
      load_script(hyphenate: true)

      f = ::File.new(::File.join(@path, 'Home.textile'), 'r')
      output = f.read
      assert_equal true, output.include?('[[Bilbo-Baggins.md]]')
      assert_equal true, output.include?('[[evil|Mordor/Eye-Of-Sauron.md]]')
    end

    test 'migration with page file dir' do
      load_script(page_file_dir: 'Subdir')

      f = ::File.new(::File.join(@path, 'Subdir/Foo.md'), 'r')
      output = f.read
      assert_equal true, output.include?('[[Subsub/Zaa.md]]')
      assert_equal true, output.include?('[[Samwi]]')
    end

    teardown do
      FileUtils.rm_rf(@path)
    end
  end
end