spec/integration/json_spy_spec.rb

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# the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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# specific language governing permissions and limitations
# under the License.

# frozen_string_literal: true

require 'integration_helper'

module ElasticAPM
  RSpec.describe 'Spy: JSON', :intercept do
    before do
      intercept!
      ElasticAPM.start disable_instrumentations: []
    end

    after do
      ElasticAPM.stop
    end

    it 'spans #parse' do
      with_agent do
        ElasticAPM.with_transaction do
          JSON.parse('[{"simply":"the best"}]')
        end
      end

      expect(@intercepted.spans.length).to be 1
      expect(@intercepted.spans.last.name).to eq 'JSON#parse'
    end

    it 'spans #parse!' do
      with_agent do
        ElasticAPM.with_transaction do
          JSON.parse!('[{"simply":"the best"}]')
        end
      end

      expect(@intercepted.spans.length).to be >= 1
      expect(@intercepted.spans.last.name).to eq 'JSON#parse!'
    end

    it 'spans #generate' do
      with_agent do
        ElasticAPM.with_transaction do
          JSON.generate([{ simply: 'the_best' }])
        end
      end

      expect(@intercepted.spans.length).to be 1
      expect(@intercepted.spans.last.name).to eq 'JSON#generate'
    end
  end
end