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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Clusters::Integrations::Prometheus do
include KubernetesHelpers
include StubRequests
describe 'associations' do
it { is_expected.to belong_to(:cluster).class_name('Clusters::Cluster') }
end
describe 'validations' do
it { is_expected.to validate_presence_of(:cluster) }
it { is_expected.not_to allow_value(nil).for(:enabled) }
end
describe 'default values' do
subject(:integration) { build(:clusters_integrations_prometheus) }
before do
allow(SecureRandom).to receive(:hex).and_return('randomtoken')
end
it { expect(integration.alert_manager_token).to eq('randomtoken') }
end
describe 'after_destroy' do
subject(:integration) { create(:clusters_integrations_prometheus, cluster: cluster, enabled: true) }
let(:cluster) { create(:cluster) }
it 'deactivates prometheus_integration' do
expect(Clusters::Applications::DeactivateIntegrationWorker)
.to receive(:perform_async).with(cluster.id, 'prometheus')
integration.destroy!
end
end
describe 'after_save' do
subject(:integration) { create(:clusters_integrations_prometheus, cluster: cluster, enabled: enabled) }
let(:cluster) { create(:cluster) }
let(:enabled) { true }
context 'when no change to enabled status' do
it 'does not touch project integrations' do
integration # ensure integration exists before we set the expectations
expect(Clusters::Applications::DeactivateIntegrationWorker)
.not_to receive(:perform_async)
expect(Clusters::Applications::ActivateIntegrationWorker)
.not_to receive(:perform_async)
integration.update!(enabled: enabled)
end
end
context 'when enabling' do
let(:enabled) { false }
it 'activates prometheus_integration' do
expect(Clusters::Applications::ActivateIntegrationWorker)
.to receive(:perform_async).with(cluster.id, 'prometheus')
integration.update!(enabled: true)
end
end
context 'when disabling' do
let(:enabled) { true }
it 'activates prometheus_integration' do
expect(Clusters::Applications::DeactivateIntegrationWorker)
.to receive(:perform_async).with(cluster.id, 'prometheus')
integration.update!(enabled: false)
end
end
end
describe '#prometheus_client' do
include_examples '#prometheus_client shared' do
let(:factory) { :clusters_integrations_prometheus }
end
end
describe '#configured?' do
let(:prometheus) { create(:clusters_integrations_prometheus, cluster: cluster) }
subject { prometheus.configured? }
context 'when a kubenetes client is present' do
let(:cluster) { create(:cluster, :project, :provided_by_gcp) }
it { is_expected.to be_truthy }
context 'when it is disabled' do
let(:prometheus) { create(:clusters_integrations_prometheus, :disabled, cluster: cluster) }
it { is_expected.to be_falsey }
end
context 'when the kubernetes URL is blocked' do
before do
blocked_ip = '127.0.0.1' # localhost addresses are blocked by default
stub_all_dns(cluster.platform.api_url, ip_address: blocked_ip)
end
it { is_expected.to be_falsey }
end
end
context 'when a kubenetes client is not present' do
let(:cluster) { create(:cluster) }
it { is_expected.to be_falsy }
end
end
end
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