require "test_helper"

context "Rugged::Reference stuff" do
  setup do
    @path = File.dirname(__FILE__) + '/fixtures/testrepo.git'
    @repo = Rugged::Repository.new(@path)
  end

  teardown do
    FileUtils.remove_entry_secure(@path + '/refs/heads/unit_test', true)
  end

  test "can list references" do
    refs = @repo.refs.map { |r| r.name.gsub("refs/", '') }.sort.join(':')
    assert_equal "heads/master:heads/packed:tags/v0.9:tags/v1.0", refs
  end

  test "can list filtered references from regex" do
    refs = @repo.refs(/tags/).map { |r| r.name.gsub("refs/", '') }.sort.join(':')
    assert_equal "tags/v0.9:tags/v1.0", refs
  end

  test "can list filtered references from string" do
    refs = @repo.refs('0.9').map { |r| r.name.gsub("refs/", '') }.sort.join(':')
    assert_equal "tags/v0.9", refs
  end

  test "can open reference" do
    ref = Rugged::Reference.lookup(@repo, "refs/heads/master")
    assert_equal "36060c58702ed4c2a40832c51758d5344201d89a", ref.target
    assert_equal :direct, ref.type
    assert_equal "refs/heads/master", ref.name
  end

  test "will return nil for an invalid reference" do
    ref = Rugged::Reference.lookup(@repo, "lol/wut")
    assert_equal nil, ref
  end

  test "can get a reflog" do
    ref = Rugged::Reference.lookup(@repo, "refs/heads/master")
    log = ref.log
    e =  log[1]
    assert_equal e[:oid_old], "8496071c1b46c854b31185ea97743be6a8774479"
    assert_equal e[:oid_new], "5b5b025afb0b4c913b4c338a42934a3863bf3644"
    assert_equal e[:message], "commit: another commit"
    assert_equal e[:committer][:email], "schacon@gmail.com"
  end

  test "can check for the existence of a reference" do
    exists = Rugged::Reference.exist?(@repo, "refs/heads/master")
    assert exists

    exists = Rugged::Reference.exist?(@repo, "lol/wut")
    assert !exists
  end

  test "can open packed reference" do
    ref = Rugged::Reference.lookup(@repo, "refs/heads/packed")
    assert_equal "41bc8c69075bbdb46c5c6f0566cc8cc5b46e8bd9", ref.target
    assert_equal :direct, ref.type
    assert_equal "refs/heads/packed", ref.name
  end

  test "can create reference from symbolic reference" do
    ref = Rugged::Reference.create(@repo, "refs/heads/unit_test", "refs/heads/master")
    assert_equal "refs/heads/master", ref.target
    assert_equal :symbolic, ref.type
    assert_equal "refs/heads/unit_test", ref.name
    ref.delete!
  end

  test "can create reference from oid" do
    ref = Rugged::Reference.create(@repo, "refs/heads/unit_test", "36060c58702ed4c2a40832c51758d5344201d89a")
    assert_equal "36060c58702ed4c2a40832c51758d5344201d89a", ref.target
    assert_equal :direct, ref.type
    assert_equal "refs/heads/unit_test", ref.name
    ref.delete!
  end

  test "can rename ref" do
    ref = Rugged::Reference.create(@repo, "refs/heads/unit_test", "36060c58702ed4c2a40832c51758d5344201d89a")
    assert_equal "36060c58702ed4c2a40832c51758d5344201d89a", ref.target
    assert_equal :direct, ref.type
    assert_equal "refs/heads/unit_test", ref.name

    ref.rename "refs/heads/rug_new_name"
    assert_equal "refs/heads/rug_new_name", ref.name
    ref.delete!
  end

  test "can set target on reference" do
    ref = Rugged::Reference.create(@repo, "refs/heads/unit_test", "36060c58702ed4c2a40832c51758d5344201d89a")
    assert_equal "36060c58702ed4c2a40832c51758d5344201d89a", ref.target
    assert_equal :direct, ref.type
    assert_equal "refs/heads/unit_test", ref.name

    ref.target = "5b5b025afb0b4c913b4c338a42934a3863bf3644"
    assert_equal "5b5b025afb0b4c913b4c338a42934a3863bf3644", ref.target
    ref.delete!
  end

  test "can resolve head" do
    ref = Rugged::Reference.lookup(@repo, "HEAD")
    assert_equal "refs/heads/master", ref.target
    assert_equal :symbolic, ref.type

    head = ref.resolve
    assert_equal "36060c58702ed4c2a40832c51758d5344201d89a", head.target
    assert_equal :direct, head.type
  end

end