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require 'flipper/adapters/failsafe'
RSpec.describe Flipper::Adapters::Failsafe do
subject { described_class.new(memory_adapter, options) }
let(:memory_adapter) { Flipper::Adapters::Memory.new }
let(:options) { {} }
let(:flipper) { Flipper.new(subject) }
it_should_behave_like 'a flipper adapter'
context 'when disaster strikes' do
before do
expect(flipper[feature.name].enable).to be(true)
(subject.methods - Object.methods).each do |method_name|
allow(memory_adapter).to receive(method_name).and_raise(IOError)
end
end
let(:feature) { Flipper::Feature.new(:my_feature, subject) }
it { expect(subject.features).to eq(Set.new) }
it { expect(feature.add).to eq(false) }
it { expect(feature.remove).to eq(false) }
it { expect(feature.clear).to eq(false) }
it { expect(subject.get(feature)).to eq({}) }
it { expect(subject.get_multi([feature])).to eq({}) }
it { expect(subject.get_all).to eq({}) }
it { expect(feature.enable).to eq(false) }
it { expect(feature.disable).to eq(false) }
context 'when used via Flipper' do
it { expect(flipper.features).to eq(Set.new) }
it { expect(flipper[feature.name].enabled?).to eq(false) }
it { expect(flipper[feature.name].enable).to eq(false) }
it { expect(flipper[feature.name].disable).to eq(false) }
end
context 'when there is a syntax error' do
let(:test) { flipper[feature.name].enabled? }
before do
expect(memory_adapter).to receive(:get).and_raise(SyntaxError)
end
it 'does not catch this type of error' do
expect { test }.to raise_error(SyntaxError)
end
context 'when configured to catch SyntaxError' do
let(:options) { { errors: [SyntaxError] } }
it { expect(test).to eq(false) }
end
end
end
end
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