63 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Prometheus::Queries::ValidateQuery do
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  include PrometheusHelpers
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  let(:api_url) { 'https://prometheus.example.com' }
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  let(:client) { Gitlab::PrometheusClient.new(api_url) }
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  let(:query) { 'avg(metric)' }
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  subject { described_class.new(client) }
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  context 'valid query' do
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    before do
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      allow(client).to receive(:query).with(query)
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    end
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    it 'passess query to prometheus' do
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      expect(subject.query(query)).to eq(valid: true)
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      expect(client).to have_received(:query).with(query)
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    end
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  end
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  context 'invalid query' do
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    let(:query) { 'invalid query' }
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    let(:error_message) { "invalid parameter 'query': 1:9: parse error: unexpected identifier \"query\"" }
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    it 'returns invalid' do
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      freeze_time do
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        stub_prometheus_query_error(
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          prometheus_query_with_time_url(query, Time.now),
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          error_message
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        )
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        expect(subject.query(query)).to eq(valid: false, error: error_message)
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      end
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    end
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  end
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  context 'when exceptions occur' do
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    context 'Gitlab::HTTP::BlockedUrlError' do
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      let(:api_url) { 'http://192.168.1.1' }
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      let(:message) do
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        "URL 'http://192.168.1.1/api/v1/query?query=avg%28metric%29&time=#{Time.now.to_f}'" \
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        " is blocked: Requests to the local network are not allowed"
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      end
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      before do
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        stub_application_setting(allow_local_requests_from_web_hooks_and_services: false)
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      end
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      it 'catches exception and returns invalid' do
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        freeze_time do
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          expect(subject.query(query)).to eq(valid: false, error: message)
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        end
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      end
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    end
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  end
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end
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