elasticsearch/spec/unit/custom_transport_implementation_spec.rb

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#   http://www.apache.org/licenses/LICENSE-2.0
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require 'spec_helper'

describe Elasticsearch::Client do
  context 'when using custom transport implementation' do
    class MyTransport
      include Elastic::Transport::Transport::Base
      def initialize(args); end
    end
    let(:client) { Elasticsearch::Client.new(transport_class: MyTransport) }
    let(:arguments) { client.instance_variable_get('@transport').instance_variable_get('@arguments') }
    let(:subject) do
      arguments[:transport_options][:headers]
    end

    let(:meta_header) do
      if jruby?
        "es=#{meta_version},rb=#{RUBY_VERSION},t=#{Elastic::Transport::VERSION},jv=#{ENV_JAVA['java.version']},jr=#{JRUBY_VERSION}"
      else
        "es=#{meta_version},rb=#{RUBY_VERSION},t=#{Elastic::Transport::VERSION}"
      end
    end

    it 'doesnae set any info about the implementation in the metaheader' do
      expect(subject).to include('x-elastic-client-meta' => meta_header)
    end
  end
end