Commit e1ffd6a2 authored by Rémy Coutable's avatar Rémy Coutable

Use RequestStore to memoize Flipper features so that memoized values are cleared between requests

Signed-off-by: default avatarRémy Coutable <remy@rymai.me>
parent c5f89e5b
...@@ -63,7 +63,14 @@ class Feature ...@@ -63,7 +63,14 @@ class Feature
end end
def flipper def flipper
Thread.current[:flipper] ||= if RequestStore.active?
RequestStore[:flipper] ||= build_flipper_instance
else
@flipper ||= build_flipper_instance
end
end
def build_flipper_instance
Flipper.new(flipper_adapter).tap { |flip| flip.memoize = true } Flipper.new(flipper_adapter).tap { |flip| flip.memoize = true }
end end
......
...@@ -64,4 +64,28 @@ describe Feature do ...@@ -64,4 +64,28 @@ describe Feature do
expect(described_class.all).to eq(features.to_a) expect(described_class.all).to eq(features.to_a)
end end
end end
describe '.flipper' do
shared_examples 'a memoized Flipper instance' do
it 'memoizes the Flipper instance' do
expect(Flipper).to receive(:new).once.and_call_original
2.times do
described_class.flipper
end
end
end
context 'when request store is inactive' do
before do
described_class.instance_variable_set(:@flipper, nil)
end
it_behaves_like 'a memoized Flipper instance'
end
context 'when request store is inactive', :request_store do
it_behaves_like 'a memoized Flipper instance'
end
end
end end
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