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# frozen_string_literal: true
require 'spec_helper'
describe DeploymentMetrics do
describe '#has_metrics?' do
subject { described_class.new(deployment.project, deployment).has_metrics? }
context 'when deployment is failed' do
let(:deployment) { create(:deployment, :failed) }
it { is_expected.to be_falsy }
end
context 'when deployment is success' do
let(:deployment) { create(:deployment, :success) }
context 'without a monitoring service' do
it { is_expected.to be_falsy }
end
context 'with a Prometheus Service' do
let(:prometheus_service) { instance_double(PrometheusService, can_query?: true) }
before do
allow(deployment.project).to receive(:find_or_initialize_service).with('prometheus').and_return prometheus_service
end
it { is_expected.to be_truthy }
end
context 'with a Prometheus Service that cannot query' do
let(:prometheus_service) { instance_double(PrometheusService, can_query?: false) }
before do
allow(deployment.project).to receive(:find_or_initialize_service).with('prometheus').and_return prometheus_service
end
it { is_expected.to be_falsy }
end
context 'with a cluster Prometheus' do
let(:deployment) { create(:deployment, :success, :on_cluster) }
let!(:prometheus) { create(:clusters_applications_prometheus, :installed, cluster: deployment.cluster) }
before do
expect(deployment.cluster.application_prometheus).to receive(:can_query?).and_return(true)
end
it { is_expected.to be_truthy }
end
end
end
describe '#metrics' do
let(:deployment) { create(:deployment, :success) }
let(:prometheus_adapter) { instance_double(PrometheusService, can_query?: true) }
let(:deployment_metrics) { described_class.new(deployment.project, deployment) }
subject { deployment_metrics.metrics }
context 'metrics are disabled' do
it { is_expected.to eq({}) }
end
context 'metrics are enabled' do
let(:simple_metrics) do
{
success: true,
metrics: {},
last_update: 42
}
end
before do
allow(deployment_metrics).to receive(:prometheus_adapter).and_return(prometheus_adapter)
expect(prometheus_adapter).to receive(:query).with(:deployment, deployment).and_return(simple_metrics)
end
it { is_expected.to eq(simple_metrics.merge({ deployment_time: deployment.created_at.to_i })) }
end
end
describe '#additional_metrics' do
let(:project) { create(:project, :repository) }
let(:deployment) { create(:deployment, :succeed, project: project) }
let(:deployment_metrics) { described_class.new(deployment.project, deployment) }
subject { deployment_metrics.additional_metrics }
context 'metrics are disabled' do
it { is_expected.to eq({}) }
end
context 'metrics are enabled' do
let(:simple_metrics) do
{
success: true,
metrics: {},
last_update: 42
}
end
let(:prometheus_adapter) { instance_double('prometheus_adapter', can_query?: true) }
before do
allow(deployment_metrics).to receive(:prometheus_adapter).and_return(prometheus_adapter)
expect(prometheus_adapter).to receive(:query).with(:additional_metrics_deployment, deployment).and_return(simple_metrics)
end
it { is_expected.to eq(simple_metrics.merge({ deployment_time: deployment.created_at.to_i })) }
end
end
end
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