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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Prometheus::Queries::ValidateQuery do
include PrometheusHelpers
let(:api_url) { 'https://prometheus.example.com' }
let(:client) { Gitlab::PrometheusClient.new(api_url) }
let(:query) { 'avg(metric)' }
subject { described_class.new(client) }
context 'valid query' do
before do
allow(client).to receive(:query).with(query)
end
it 'passess query to prometheus' do
expect(subject.query(query)).to eq(valid: true)
expect(client).to have_received(:query).with(query)
end
end
context 'invalid query' do
let(:query) { 'invalid query' }
let(:error_message) { "invalid parameter 'query': 1:9: parse error: unexpected identifier \"query\"" }
it 'returns invalid' do
freeze_time do
stub_prometheus_query_error(
prometheus_query_with_time_url(query, Time.now),
error_message
)
expect(subject.query(query)).to eq(valid: false, error: error_message)
end
end
end
context 'when exceptions occur' do
context 'Gitlab::HTTP::BlockedUrlError' do
let(:api_url) { 'http://192.168.1.1' }
let(:message) do
"URL 'http://192.168.1.1/api/v1/query?query=avg%28metric%29&time=#{Time.now.to_f}'" \
" is blocked: Requests to the local network are not allowed"
end
before do
stub_application_setting(allow_local_requests_from_web_hooks_and_services: false)
end
it 'catches exception and returns invalid' do
freeze_time do
expect(subject.query(query)).to eq(valid: false, error: message)
end
end
end
end
end
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