114 lines
3.5 KiB
Ruby
114 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe Clusters::Applications::PrometheusHealthCheckService, '#execute' do
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let(:service) { described_class.new(cluster) }
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subject { service.execute }
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RSpec.shared_examples 'no alert' do
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it 'does not send alert' do
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expect(Projects::Alerting::NotifyService).not_to receive(:new)
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subject
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end
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end
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RSpec.shared_examples 'sends alert' do
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it 'sends an alert' do
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expect_next_instance_of(Projects::Alerting::NotifyService) do |notify_service|
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expect(notify_service).to receive(:execute).with(alerts_service.token)
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end
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subject
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end
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end
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RSpec.shared_examples 'correct health stored' do
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it 'stores the correct health of prometheus app' do
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subject
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expect(prometheus.healthy).to eq(client_healthy)
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end
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end
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context 'when cluster is not project_type' do
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let(:cluster) { create(:cluster, :instance) }
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it { expect { subject }.to raise_error(RuntimeError, 'Invalid cluster type. Only project types are allowed.') }
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end
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context 'when cluster is project_type' do
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let_it_be(:alerts_service) { create(:alerts_service) }
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let_it_be(:project) { create(:project, alerts_service: alerts_service) }
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let(:applications_prometheus_healthy) { true }
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let(:prometheus) { create(:clusters_applications_prometheus, status: prometheus_status_value, healthy: applications_prometheus_healthy) }
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let(:cluster) { create(:cluster, :project, application_prometheus: prometheus, projects: [project]) }
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context 'when prometheus not installed' do
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let(:prometheus_status_value) { Clusters::Applications::Prometheus.state_machine.states[:installing].value }
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it { expect(subject).to eq(nil) }
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include_examples 'no alert'
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end
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context 'when prometheus installed' do
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let(:prometheus_status_value) { Clusters::Applications::Prometheus.state_machine.states[:installed].value }
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before do
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client = instance_double('PrometheusClient', healthy?: client_healthy)
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expect(prometheus).to receive(:prometheus_client).and_return(client)
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end
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context 'when newly unhealthy' do
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let(:applications_prometheus_healthy) { true }
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let(:client_healthy) { false }
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include_examples 'sends alert'
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include_examples 'correct health stored'
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end
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context 'when newly healthy' do
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let(:applications_prometheus_healthy) { false }
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let(:client_healthy) { true }
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include_examples 'no alert'
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include_examples 'correct health stored'
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end
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context 'when continuously unhealthy' do
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let(:applications_prometheus_healthy) { false }
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let(:client_healthy) { false }
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include_examples 'no alert'
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include_examples 'correct health stored'
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end
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context 'when continuously healthy' do
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let(:applications_prometheus_healthy) { true }
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let(:client_healthy) { true }
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include_examples 'no alert'
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include_examples 'correct health stored'
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end
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context 'when first health check and healthy' do
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let(:applications_prometheus_healthy) { nil }
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let(:client_healthy) { true }
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include_examples 'no alert'
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include_examples 'correct health stored'
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end
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context 'when first health check and not healthy' do
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let(:applications_prometheus_healthy) { nil }
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let(:client_healthy) { false }
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include_examples 'sends alert'
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include_examples 'correct health stored'
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end
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end
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end
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end
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