memory_spec.rb in flipper-0.23.0

- old
+ new

@@ -1,6 +1,5 @@
-require 'helper'
 require 'flipper/instrumenters/memory'
 
 RSpec.describe Flipper::Instrumenters::Memory do
   describe '#initialize' do
     it 'sets events to empty array' do
@@ -19,8 +18,26 @@
       result = instrumenter.instrument(name, payload) { block_result }
       expect(result).to eq(block_result)
 
       event = described_class::Event.new(name, payload, block_result)
       expect(instrumenter.events).to eq([event])
+    end
+
+    context 'when an error is raised' do
+      subject do
+        instrumenter.instrument(:name) { raise IOError }
+      end
+
+      let(:instrumenter) { described_class.new }
+
+      it 'captures and propagates the error' do
+        expect { subject }.to raise_error(IOError)
+
+        expect(instrumenter.events.count).to be 1
+
+        payload = instrumenter.events[0].payload
+        expect(payload.keys).to include(:exception, :exception_object)
+        expect(payload[:exception_object]).to be_a IOError
+      end
     end
   end
 end