2019-04-11 12:17:24 +00:00
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# frozen_string_literal: true
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2018-03-05 18:34:59 +00:00
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require 'spec_helper'
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describe Prometheus::AdapterService do
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let(:project) { create(:project) }
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subject { described_class.new(project) }
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describe '#prometheus_adapter' do
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let(:cluster) { create(:cluster, :provided_by_user, environment_scope: '*', projects: [project]) }
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context 'prometheus service can execute queries' do
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let(:prometheus_service) { double(:prometheus_service, can_query?: true) }
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before do
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allow(project).to receive(:find_or_initialize_service).with('prometheus').and_return prometheus_service
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end
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it 'return prometheus service as prometheus adapter' do
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expect(subject.prometheus_adapter).to eq(prometheus_service)
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end
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end
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context "prometheus service can't execute queries" do
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let(:prometheus_service) { double(:prometheus_service, can_query?: false) }
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2019-02-14 23:43:44 +00:00
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context 'with cluster with prometheus not available' do
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2019-02-14 23:41:10 +00:00
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let!(:prometheus) { create(:clusters_applications_prometheus, :installable, cluster: cluster) }
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it 'returns nil' do
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expect(subject.prometheus_adapter).to be_nil
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end
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end
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2019-02-14 23:43:44 +00:00
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context 'with cluster with prometheus available' do
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2018-03-05 18:34:59 +00:00
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let!(:prometheus) { create(:clusters_applications_prometheus, :installed, cluster: cluster) }
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it 'returns application handling all environments' do
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expect(subject.prometheus_adapter).to eq(prometheus)
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end
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end
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context 'with cluster without prometheus installed' do
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it 'returns nil' do
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expect(subject.prometheus_adapter).to be_nil
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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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