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|
# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::Alerting::Alert do
let_it_be(:project) { create(:project) }
let(:alert) { build(:alerting_alert, project: project, payload: payload) }
let(:payload) { {} }
shared_context 'gitlab alert' do
let(:gitlab_alert_id) { gitlab_alert.prometheus_metric_id.to_s }
let!(:gitlab_alert) { create(:prometheus_alert, project: project) }
before do
payload['labels'] = { 'gitlab_alert_id' => gitlab_alert_id }
end
end
shared_context 'full query' do
before do
payload['generatorURL'] = 'http://localhost:9090/graph?g0.expr=vector%281%29'
end
end
shared_examples 'invalid alert' do
it 'is invalid' do
expect(alert).not_to be_valid
end
end
shared_examples 'parse payload' do |*pairs|
context 'without payload' do
it { is_expected.to be_nil }
end
pairs.each do |pair|
context "with #{pair}" do
let(:value) { 'some value' }
before do
section, name = pair.split('/')
payload[section] = { name => value }
end
it { is_expected.to eq(value) }
end
end
end
describe '#gitlab_alert' do
subject { alert.gitlab_alert }
context 'without payload' do
it { is_expected.to be_nil }
end
context 'with gitlab alert' do
include_context 'gitlab alert'
it { is_expected.to eq(gitlab_alert) }
end
context 'with unknown gitlab alert' do
include_context 'gitlab alert' do
let(:gitlab_alert_id) { 'unknown' }
end
it { is_expected.to be_nil }
end
end
describe '#title' do
subject { alert.title }
it_behaves_like 'parse payload',
'annotations/title',
'annotations/summary',
'labels/alertname'
context 'with gitlab alert' do
include_context 'gitlab alert'
context 'with annotations/title' do
let(:value) { 'annotation title' }
before do
payload['annotations'] = { 'title' => value }
end
it { is_expected.to eq(gitlab_alert.title) }
end
end
end
describe '#description' do
subject { alert.description }
it_behaves_like 'parse payload', 'annotations/description'
end
describe '#annotations' do
subject { alert.annotations }
context 'without payload' do
it { is_expected.to eq([]) }
end
context 'with payload' do
before do
payload['annotations'] = { 'foo' => 'value1', 'bar' => 'value2' }
end
it 'parses annotations' do
expect(subject.size).to eq(2)
expect(subject.map(&:label)).to eq(%w[foo bar])
expect(subject.map(&:value)).to eq(%w[value1 value2])
end
end
end
describe '#environment' do
subject { alert.environment }
context 'without gitlab_alert' do
it { is_expected.to be_nil }
end
context 'with gitlab alert' do
include_context 'gitlab alert'
it { is_expected.to eq(gitlab_alert.environment) }
end
end
describe '#starts_at' do
subject { alert.starts_at }
context 'with empty startsAt' do
before do
payload['startsAt'] = nil
end
it { is_expected.to be_nil }
end
context 'with invalid startsAt' do
before do
payload['startsAt'] = 'invalid'
end
it { is_expected.to be_nil }
end
context 'with payload' do
let(:time) { Time.now.change(usec: 0) }
before do
payload['startsAt'] = time.rfc3339
end
it { is_expected.to eq(time) }
end
end
describe '#full_query' do
using RSpec::Parameterized::TableSyntax
subject { alert.full_query }
where(:generator_url, :expected_query) do
nil | nil
'http://localhost' | nil
'invalid url' | nil
'http://localhost:9090/graph?g1.expr=vector%281%29' | nil
'http://localhost:9090/graph?g0.expr=vector%281%29' | 'vector(1)'
end
with_them do
before do
payload['generatorURL'] = generator_url
end
it { is_expected.to eq(expected_query) }
end
context 'with gitlab alert' do
include_context 'gitlab alert'
include_context 'full query'
it { is_expected.to eq(gitlab_alert.full_query) }
end
end
describe '#alert_markdown' do
subject { alert.alert_markdown }
it_behaves_like 'parse payload', 'annotations/gitlab_incident_markdown'
end
describe '#valid?' do
before do
payload.update(
'annotations' => { 'title' => 'some title' },
'startsAt' => Time.now.rfc3339
)
end
subject { alert }
it { is_expected.to be_valid }
context 'without project' do
let(:project) { nil }
it { is_expected.not_to be_valid }
end
context 'without starts_at' do
before do
payload['startsAt'] = nil
end
it { is_expected.not_to be_valid }
end
end
end
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