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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe AlertManagement::ProcessPrometheusAlertService do
let_it_be(:project) { create(:project) }
before do
allow(ProjectServiceWorker).to receive(:perform_async)
end
describe '#execute' do
subject(:execute) { described_class.new(project, nil, payload).execute }
context 'when alert payload is valid' do
let(:parsed_alert) { Gitlab::Alerting::Alert.new(project: project, payload: payload) }
let(:payload) do
{
'status' => status,
'labels' => {
'alertname' => 'GitalyFileServerDown',
'channel' => 'gitaly',
'pager' => 'pagerduty',
'severity' => 's1'
},
'annotations' => {
'description' => 'Alert description',
'runbook' => 'troubleshooting/gitaly-down.md',
'title' => 'Alert title'
},
'startsAt' => '2020-04-27T10:10:22.265949279Z',
'endsAt' => '2020-04-27T10:20:22.265949279Z',
'generatorURL' => 'http://8d467bd4607a:9090/graph?g0.expr=vector%281%29&g0.tab=1',
'fingerprint' => 'b6ac4d42057c43c1'
}
end
context 'when Prometheus alert status is firing' do
let(:status) { 'firing' }
context 'when alert with the same fingerprint already exists' do
let!(:alert) { create(:alert_management_alert, :resolved, project: project, fingerprint: parsed_alert.gitlab_fingerprint) }
it 'increases alert events count' do
expect { execute }.to change { alert.reload.events }.by(1)
end
context 'when status can be changed' do
it 'changes status to triggered' do
expect { execute }.to change { alert.reload.triggered? }.to(true)
end
end
it 'does not executes the alert service hooks' do
expect(alert).not_to receive(:execute_services)
subject
end
context 'when status change did not succeed' do
before do
allow(AlertManagement::Alert).to receive(:for_fingerprint).and_return([alert])
allow(alert).to receive(:trigger).and_return(false)
end
it 'writes a warning to the log' do
expect(Gitlab::AppLogger).to receive(:warn).with(
message: 'Unable to update AlertManagement::Alert status to triggered',
project_id: project.id,
alert_id: alert.id
)
execute
end
end
it { is_expected.to be_success }
end
context 'when alert does not exist' do
context 'when alert can be created' do
it 'creates a new alert' do
expect { execute }.to change { AlertManagement::Alert.where(project: project).count }.by(1)
end
it 'executes the alert service hooks' do
slack_service = create(:service, type: 'SlackService', project: project, alert_events: true, active: true)
subject
expect(ProjectServiceWorker).to have_received(:perform_async).with(slack_service.id, an_instance_of(Hash))
end
end
context 'when alert cannot be created' do
let(:errors) { double(messages: { hosts: ['hosts array is over 255 chars'] })}
let(:am_alert) { instance_double(AlertManagement::Alert, save: false, errors: errors) }
before do
allow(AlertManagement::Alert).to receive(:new).and_return(am_alert)
end
it 'writes a warning to the log' do
expect(Gitlab::AppLogger).to receive(:warn).with(
message: 'Unable to create AlertManagement::Alert',
project_id: project.id,
alert_errors: { hosts: ['hosts array is over 255 chars'] }
)
execute
end
end
it { is_expected.to be_success }
end
end
context 'when Prometheus alert status is resolved' do
let(:status) { 'resolved' }
let!(:alert) { create(:alert_management_alert, project: project, fingerprint: parsed_alert.gitlab_fingerprint) }
context 'when status can be changed' do
it 'resolves an existing alert' do
expect { execute }.to change { alert.reload.resolved? }.to(true)
end
end
context 'when status change did not succeed' do
before do
allow(AlertManagement::Alert).to receive(:for_fingerprint).and_return([alert])
allow(alert).to receive(:resolve).and_return(false)
end
it 'writes a warning to the log' do
expect(Gitlab::AppLogger).to receive(:warn).with(
message: 'Unable to update AlertManagement::Alert status to resolved',
project_id: project.id,
alert_id: alert.id
)
execute
end
end
it { is_expected.to be_success }
end
end
context 'when alert payload is invalid' do
let(:payload) { {} }
it 'responds with bad_request' do
expect(execute).to be_error
expect(execute.http_status).to eq(:bad_request)
end
end
end
end
|
