gitlab-org--gitlab-foss/spec/lib/gitlab/prometheus/internal_spec.rb

108 lines
2.7 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Prometheus::Internal do
let(:server_address) { 'localhost:9090' }
let(:prometheus_settings) do
{
enabled: true,
server_address: server_address
}
end
before do
stub_config(prometheus: prometheus_settings)
end
describe '.uri' do
shared_examples 'returns valid uri' do |uri_string|
it do
expect(described_class.uri).to eq(uri_string)
expect { Addressable::URI.parse(described_class.uri) }.not_to raise_error
end
end
it_behaves_like 'returns valid uri', 'http://localhost:9090'
context 'with non default prometheus address' do
let(:server_address) { 'https://localhost:9090' }
it_behaves_like 'returns valid uri', 'https://localhost:9090'
context 'with :9090 symbol' do
let(:server_address) { :':9090' }
it_behaves_like 'returns valid uri', 'http://localhost:9090'
end
context 'with 0.0.0.0:9090' do
let(:server_address) { '0.0.0.0:9090' }
it_behaves_like 'returns valid uri', 'http://localhost:9090'
end
end
context 'when server_address is nil' do
let(:server_address) { nil }
it 'does not fail' do
expect(described_class.uri).to be_nil
end
end
context 'when prometheus listen address is blank in gitlab.yml' do
let(:server_address) { '' }
it 'does not configure prometheus' do
expect(described_class.uri).to be_nil
end
end
end
describe '.prometheus_enabled?' do
it 'returns correct value' do
expect(described_class.prometheus_enabled?).to eq(true)
end
context 'when prometheus setting is disabled in gitlab.yml' do
let(:prometheus_settings) do
{
enabled: false,
server_address: server_address
}
end
it 'returns correct value' do
expect(described_class.prometheus_enabled?).to eq(false)
end
end
context 'when prometheus setting is not present in gitlab.yml' do
before do
allow(Gitlab.config).to receive(:prometheus).and_raise(Settingslogic::MissingSetting)
end
it 'does not fail' do
expect(described_class.prometheus_enabled?).to eq(false)
end
end
end
describe '.server_address' do
it 'returns correct value' do
expect(described_class.server_address).to eq(server_address)
end
context 'when prometheus setting is not present in gitlab.yml' do
before do
allow(Gitlab.config).to receive(:prometheus).and_raise(Settingslogic::MissingSetting)
end
it 'does not fail' do
expect(described_class.server_address).to be_nil
end
end
end
end