# frozen_string_literal: true

require 'spec_helper'

RSpec.describe GitlabSchema.types['Time'] do
  let(:iso) { "2018-06-04T15:23:50+02:00" }
  let(:time) { Time.parse(iso) }

  specify { expect(described_class.graphql_name).to eq('Time') }

  it 'coerces Time object into ISO 8601' do
    expect(described_class.coerce_isolated_result(time)).to eq(iso)
  end

  it 'coerces an ISO-time into Time object' do
    expect(described_class.coerce_isolated_input(iso)).to eq(time)
  end

  it 'rejects invalid input' do
    expect { described_class.coerce_isolated_input('not valid') }
      .to raise_error(GraphQL::CoercionError)
  end

  it 'allows nil' do
    expect(described_class.coerce_isolated_input(nil)).to be_nil
  end
end