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Contents
require 'flipper/instrumenters/memory'
RSpec.describe Flipper::Instrumenters::Memory do
describe '#initialize' do
it 'sets events to empty array' do
instrumenter = described_class.new
expect(instrumenter.events).to eq([])
end
end
describe '#instrument' do
it 'adds to events' do
instrumenter = described_class.new
name = 'user.signup'
payload = { email: 'john@doe.com' }
block_result = :yielded
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
Version data entries
32 entries across 32 versions & 1 rubygems