spec/elastic/transport/client_spec.rb [33:57]:
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  end

  it 'identifies the Ruby client in the User-Agent header' do
    expect(client.transport.connections.first.connection.headers['User-Agent']).to match(/elastic-transport-ruby\/#{Elastic::Transport::VERSION}/)
  end

  it 'identifies the Ruby version in the User-Agent header' do
    expect(client.transport.connections.first.connection.headers['User-Agent']).to match(/#{RUBY_VERSION}/)
  end

  it 'identifies the host_os in the User-Agent header' do
    expect(client.transport.connections.first.connection.headers['User-Agent']).to match(/#{RbConfig::CONFIG['host_os'].split('_').first[/[a-z]+/i].downcase}/)
  end

  it 'identifies the target_cpu in the User-Agent header' do
    expect(client.transport.connections.first.connection.headers['User-Agent']).to match(/#{RbConfig::CONFIG['target_cpu']}/)
  end

  it 'sets the \'Content-Type\' header to \'application/json\' by default' do
    expect(client.transport.connections.first.connection.headers['Content-Type']).to eq('application/json')
  end

  it 'uses localhost by default' do
    expect(client.transport.hosts[0][:host]).to eq('localhost')
  end
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spec/elastic/transport/client_spec.rb [110:134]:
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    end

    it 'identifies the Ruby client in the User-Agent header' do
      expect(client.transport.connections.first.connection.headers['User-Agent']).to match(/elastic-transport-ruby\/#{Elastic::Transport::VERSION}/)
    end

    it 'identifies the Ruby version in the User-Agent header' do
      expect(client.transport.connections.first.connection.headers['User-Agent']).to match(/#{RUBY_VERSION}/)
    end

    it 'identifies the host_os in the User-Agent header' do
      expect(client.transport.connections.first.connection.headers['User-Agent']).to match(/#{RbConfig::CONFIG['host_os'].split('_').first[/[a-z]+/i].downcase}/)
    end

    it 'identifies the target_cpu in the User-Agent header' do
      expect(client.transport.connections.first.connection.headers['User-Agent']).to match(/#{RbConfig::CONFIG['target_cpu']}/)
    end

    it 'sets the \'Content-Type\' header to \'application/json\' by default' do
      expect(client.transport.connections.first.connection.headers['Content-Type']).to eq('application/json')
    end

    it 'uses localhost by default' do
      expect(client.transport.hosts[0][:host]).to eq('localhost')
    end
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