require File.expand_path("../../spec_helper.rb", __FILE__)

describe UUIDTools::UUID, "when generating" do
  it "should correctly generate SHA1 variant UUIDs" do
    expect(UUIDTools::UUID.sha1_create(
      UUIDTools::UUID_URL_NAMESPACE, 'http://sporkmonger.com'
    ).to_s).to eql('f2d04685-b787-55da-8644-9bd28a6f5a53')
  end

  it "should correctly generate MD5 variant UUIDs" do
    expect(UUIDTools::UUID.md5_create(
      UUIDTools::UUID_URL_NAMESPACE, 'http://sporkmonger.com'
    ).to_s).to eql('15074785-9071-3fe3-89bd-876e4b9e919b')
  end

  it "should correctly generate timestamp variant UUIDs" do
    expect(UUIDTools::UUID.timestamp_create).not_to be_random_node_id
    expect(UUIDTools::UUID.timestamp_create.to_s).not_to eql(
      UUIDTools::UUID.timestamp_create.to_s
    )
    current_time = Time.now
    expect(UUIDTools::UUID.timestamp_create(current_time).to_s).not_to eql(
      UUIDTools::UUID.timestamp_create(current_time).to_s
    )
    uuids = []
    1000.times do
      uuids << UUIDTools::UUID.timestamp_create
    end
    # Check to make sure that none of the 1,000 UUIDs were duplicates
    expect((uuids.map {|x| x.to_s}).uniq.size).to eql(uuids.size)
  end

  it "should correctly generate UUIDs without a MAC address" do
    mac_address = UUIDTools::UUID.mac_address
    UUIDTools::UUID.mac_address = nil
    expect(UUIDTools::UUID.timestamp_create).to be_random_node_id
    UUIDTools::UUID.mac_address = mac_address
  end

  it "should correctly generate random number variant UUIDs" do
    uuids = []
    1000.times do
      uuids << UUIDTools::UUID.random_create
    end
    # Check to make sure that none of the 1,000 UUIDs were duplicates
    expect((uuids.map {|x| x.to_s}).uniq.size).to eql(uuids.size)
  end

  it "should not have internal state used in string representations" do
    uuid = UUIDTools::UUID.random_create
    uuid_string = uuid.to_s.dup
    uuid.to_s.gsub!("-", "/")
    expect(uuid.to_s).to eql(uuid_string)
  end

  it "should throw an exception if a segment has an invalid value" do
    expect(lambda do
      UUIDTools::UUID.new(-1, 0, 0, 0, 0, [0, 0, 0, 0, 0, 0])
    end).to raise_error(ArgumentError)
    expect(lambda do
      UUIDTools::UUID.new(4294967296, 0, 0, 0, 0, [0, 0, 0, 0, 0, 0])
    end).to raise_error(ArgumentError)
  end

  it "should throw an exception if a segment has an invalid value" do
    expect(lambda do
      UUIDTools::UUID.new(0, -1, 0, 0, 0, [0, 0, 0, 0, 0, 0])
    end).to raise_error(ArgumentError)
    expect(lambda do
      UUIDTools::UUID.new(0, 65536, 0, 0, 0, [0, 0, 0, 0, 0, 0])
    end).to raise_error(ArgumentError)
  end

  it "should throw an exception if a segment has an invalid value" do
    expect(lambda do
      UUIDTools::UUID.new(0, 0, -1, 0, 0, [0, 0, 0, 0, 0, 0])
    end).to raise_error(ArgumentError)
    expect(lambda do
      UUIDTools::UUID.new(0, 0, 65536, 0, 0, [0, 0, 0, 0, 0, 0])
    end).to raise_error(ArgumentError)
  end

  it "should throw an exception if a segment has an invalid value" do
    expect(lambda do
      UUIDTools::UUID.new(0, 0, 0, -1, 0, [0, 0, 0, 0, 0, 0])
    end).to raise_error(ArgumentError)
    expect(lambda do
      UUIDTools::UUID.new(0, 0, 0, 256, 0, [0, 0, 0, 0, 0, 0])
    end).to raise_error(ArgumentError)
  end

  it "should throw an exception if a segment has an invalid value" do
    expect(lambda do
      UUIDTools::UUID.new(0, 0, 0, 0, -1, [0, 0, 0, 0, 0, 0])
    end).to raise_error(ArgumentError)
    expect(lambda do
      UUIDTools::UUID.new(0, 0, 0, 0, 256, [0, 0, 0, 0, 0, 0])
    end).to raise_error(ArgumentError)
  end

  it "should throw an exception if nodes are not a collection" do
    expect(lambda do
      UUIDTools::UUID.new(0, 0, 0, 0, 0, :bogus)
    end).to raise_error(TypeError)
  end

  it "should throw an exception if nodes are the wrong size" do
    expect(lambda do
      UUIDTools::UUID.new(0, 0, 0, 0, 0, [0, 0, 0, 0, 0])
    end).to raise_error(ArgumentError)
  end

  it "should throw an exception if any nodes have invalid values" do
    expect(lambda do
      UUIDTools::UUID.new(0, 0, 0, 0, 0, [0, 0, 0, 0, 0, 256])
    end).to raise_error(ArgumentError)
  end

  it "should throw an exception if parsing anything but a String" do
    expect(lambda do
      UUIDTools::UUID.parse(:bogus)
    end).to raise_error(TypeError)
  end

  it "should throw an exception if raw parsing anything but a String" do
    expect(lambda do
      UUIDTools::UUID.parse_raw(:bogus)
    end).to raise_error(TypeError)
  end
end