71 lines
2.1 KiB
Ruby
71 lines
2.1 KiB
Ruby
require 'spec_helper'
|
|
|
|
describe Gitlab::Metrics::RequestsRackMiddleware do
|
|
let(:app) { double('app') }
|
|
subject { described_class.new(app) }
|
|
|
|
around do |example|
|
|
Timecop.freeze { example.run }
|
|
end
|
|
|
|
describe '#call' do
|
|
let(:status) { 100 }
|
|
let(:env) { { 'REQUEST_METHOD' => 'GET' } }
|
|
let(:stack_result) { [status, {}, 'body'] }
|
|
|
|
before do
|
|
allow(app).to receive(:call).and_return(stack_result)
|
|
end
|
|
|
|
context '@app.call succeeds with 200' do
|
|
before do
|
|
allow(app).to receive(:call).and_return([200, nil, nil])
|
|
end
|
|
|
|
it 'increments requests count' do
|
|
expect(described_class).to receive_message_chain(:http_request_total, :increment).with(method: 'get')
|
|
|
|
subject.call(env)
|
|
end
|
|
|
|
it 'measures execution time' do
|
|
execution_time = 10
|
|
allow(app).to receive(:call) do |*args|
|
|
Timecop.freeze(execution_time.seconds)
|
|
[200, nil, nil]
|
|
end
|
|
|
|
expect(described_class).to receive_message_chain(:http_request_duration_seconds, :observe).with({ status: 200, method: 'get' }, execution_time)
|
|
|
|
subject.call(env)
|
|
end
|
|
end
|
|
|
|
context '@app.call throws exception' do
|
|
let(:http_request_duration_seconds) { double('http_request_duration_seconds') }
|
|
|
|
before do
|
|
allow(app).to receive(:call).and_raise(StandardError)
|
|
allow(described_class).to receive(:http_request_duration_seconds).and_return(http_request_duration_seconds)
|
|
end
|
|
|
|
it 'increments exceptions count' do
|
|
expect(described_class).to receive_message_chain(:rack_uncaught_errors_count, :increment)
|
|
|
|
expect { subject.call(env) }.to raise_error(StandardError)
|
|
end
|
|
|
|
it 'increments requests count' do
|
|
expect(described_class).to receive_message_chain(:http_request_total, :increment).with(method: 'get')
|
|
|
|
expect { subject.call(env) }.to raise_error(StandardError)
|
|
end
|
|
|
|
it "does't measure request execution time" do
|
|
expect(described_class.http_request_duration_seconds).not_to receive(:increment)
|
|
|
|
expect { subject.call(env) }.to raise_error(StandardError)
|
|
end
|
|
end
|
|
end
|
|
end
|