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# frozen_string_literal: true
require 'fast_spec_helper'
RSpec.describe Gitlab::Metrics::Exporter::HealthChecksMiddleware do
let(:app) { double(:app) }
let(:env) { { 'PATH_INFO' => path } }
let(:readiness_probe) { double(:readiness_probe) }
let(:liveness_probe) { double(:liveness_probe) }
let(:probe_result) { Gitlab::HealthChecks::Probes::Status.new(200, { status: 'ok' }) }
subject(:middleware) { described_class.new(app, readiness_probe, liveness_probe) }
describe '#call' do
context 'handling /readiness requests' do
let(:path) { '/readiness' }
it 'handles the request' do
expect(readiness_probe).to receive(:execute).and_return(probe_result)
response = middleware.call(env)
expect(response).to eq([200, { 'Content-Type' => 'application/json; charset=utf-8' }, ['{"status":"ok"}']])
end
end
context 'handling /liveness requests' do
let(:path) { '/liveness' }
it 'handles the request' do
expect(liveness_probe).to receive(:execute).and_return(probe_result)
response = middleware.call(env)
expect(response).to eq([200, { 'Content-Type' => 'application/json; charset=utf-8' }, ['{"status":"ok"}']])
end
end
context 'handling other requests' do
let(:path) { '/other_path' }
it 'forwards them to the next middleware' do
expect(app).to receive(:call).with(env).and_return([201, {}, []])
response = middleware.call(env)
expect(response).to eq([201, {}, []])
end
end
end
end
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