linguist/test/test_repository.rb

require 'linguist/repository'

require 'test/unit'

class TestRepository < Test::Unit::TestCase
  def rugged_repository
    @rugged ||= Rugged::Repository.new(File.expand_path("../../.git", __FILE__))
  end

  def master_oid
    @master_oid ||= Rugged::Object.rev_parse_oid(rugged_repository, 'master')
  end

  def linguist_repo(oid = master_oid)
    Linguist::Repository.new(rugged_repository, oid)
  end

  def test_linguist_language
    assert_equal 'Ruby', linguist_repo.language
  end

  def test_linguist_languages
    assert linguist_repo.languages['Ruby'] > 10_000
  end

  def test_linguist_size
    assert linguist_repo.size > 30_000
  end

  def test_linguist_breakdown
    assert linguist_repo.breakdown_by_file.has_key?("Ruby")
    assert linguist_repo.breakdown_by_file["Ruby"].include?("bin/linguist")
    assert linguist_repo.breakdown_by_file["Ruby"].include?("lib/linguist/language.rb")
  end

  def test_incremental_stats
    old_commit = Rugged::Object.rev_parse_oid(rugged_repository, 'v2.0.0')
    old_repo = linguist_repo(old_commit)

    assert old_repo.languages['Ruby'] > 10_000
    assert old_repo.size > 30_000

    new_repo = Linguist::Repository.incremental(rugged_repository, master_oid, old_commit, old_repo.cache)

    assert new_repo.languages['Ruby'] > old_repo.languages['Ruby']
    assert new_repo.size > old_repo.size

    assert_equal linguist_repo.cache, new_repo.cache
  end
end