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author | Michael Kozono <mkozono@gmail.com> | 2018-09-20 21:49:58 +0300 |
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committer | Michael Kozono <mkozono@gmail.com> | 2018-09-24 22:11:26 +0300 |
commit | 45cf64c827270d66a88d483bb3f9043a90301255 (patch) | |
tree | b71d4455decb58e5d429b8e5299896a70fc7c20a /spec/lib/gitlab/safe_request_store_spec.rb | |
parent | 00bb83f7fc6d52583d56fb0f0ea4c9d951535b52 (diff) |
Use a null object with RequestStore
Makes it easier and safer to use RequestStore because you don't need to
check `RequestStore.active?` before using it. You just have to use
`Gitlab::SafeRequestStore` instead.
Diffstat (limited to 'spec/lib/gitlab/safe_request_store_spec.rb')
-rw-r--r-- | spec/lib/gitlab/safe_request_store_spec.rb | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/spec/lib/gitlab/safe_request_store_spec.rb b/spec/lib/gitlab/safe_request_store_spec.rb new file mode 100644 index 00000000000..27766fa0eda --- /dev/null +++ b/spec/lib/gitlab/safe_request_store_spec.rb @@ -0,0 +1,245 @@ +# frozen_string_literal: true + +require 'spec_helper' + +describe Gitlab::SafeRequestStore do + describe '.store' do + context 'when RequestStore is active', :request_store do + it 'uses RequestStore' do + expect(described_class.store).to eq(RequestStore) + end + end + + context 'when RequestStore is NOT active' do + it 'does not use RequestStore' do + expect(described_class.store).to be_a(Gitlab::NullRequestStore) + end + end + end + + describe '.begin!' do + context 'when RequestStore is active', :request_store do + it 'uses RequestStore' do + expect(RequestStore).to receive(:begin!) + + described_class.begin! + end + end + + context 'when RequestStore is NOT active' do + it 'uses RequestStore' do + expect(RequestStore).to receive(:begin!) + + described_class.begin! + end + end + end + + describe '.clear!' do + context 'when RequestStore is active', :request_store do + it 'uses RequestStore' do + expect(RequestStore).to receive(:clear!).twice.and_call_original + + described_class.clear! + end + end + + context 'when RequestStore is NOT active' do + it 'uses RequestStore' do + expect(RequestStore).to receive(:clear!).and_call_original + + described_class.clear! + end + end + end + + describe '.end!' do + context 'when RequestStore is active', :request_store do + it 'uses RequestStore' do + expect(RequestStore).to receive(:end!).twice.and_call_original + + described_class.end! + end + end + + context 'when RequestStore is NOT active' do + it 'uses RequestStore' do + expect(RequestStore).to receive(:end!).and_call_original + + described_class.end! + end + end + end + + describe '.write' do + context 'when RequestStore is active', :request_store do + it 'uses RequestStore' do + expect do + described_class.write('foo', true) + end.to change { described_class.read('foo') }.from(nil).to(true) + end + end + + context 'when RequestStore is NOT active' do + it 'does not use RequestStore' do + expect do + described_class.write('foo', true) + end.not_to change { described_class.read('foo') }.from(nil) + end + end + end + + describe '.[]=' do + context 'when RequestStore is active', :request_store do + it 'uses RequestStore' do + expect do + described_class['foo'] = true + end.to change { described_class.read('foo') }.from(nil).to(true) + end + end + + context 'when RequestStore is NOT active' do + it 'does not use RequestStore' do + expect do + described_class['foo'] = true + end.not_to change { described_class.read('foo') }.from(nil) + end + end + end + + describe '.read' do + context 'when RequestStore is active', :request_store do + it 'uses RequestStore' do + expect do + RequestStore.write('foo', true) + end.to change { described_class.read('foo') }.from(nil).to(true) + end + end + + context 'when RequestStore is NOT active' do + it 'does not use RequestStore' do + expect do + RequestStore.write('foo', true) + end.not_to change { described_class.read('foo') }.from(nil) + + RequestStore.clear! # Clean up + end + end + end + + describe '.[]' do + context 'when RequestStore is active', :request_store do + it 'uses RequestStore' do + expect do + RequestStore.write('foo', true) + end.to change { described_class['foo'] }.from(nil).to(true) + end + end + + context 'when RequestStore is NOT active' do + it 'does not use RequestStore' do + expect do + RequestStore.write('foo', true) + end.not_to change { described_class['foo'] }.from(nil) + + RequestStore.clear! # Clean up + end + end + end + + describe '.exist?' do + context 'when RequestStore is active', :request_store do + it 'uses RequestStore' do + expect do + RequestStore.write('foo', 'not nil') + end.to change { described_class.exist?('foo') }.from(false).to(true) + end + end + + context 'when RequestStore is NOT active' do + it 'does not use RequestStore' do + expect do + RequestStore.write('foo', 'not nil') + end.not_to change { described_class.exist?('foo') }.from(false) + + RequestStore.clear! # Clean up + end + end + end + + describe '.fetch' do + context 'when RequestStore is active', :request_store do + it 'uses RequestStore' do + expect do + described_class.fetch('foo') { 'block result' } + end.to change { described_class.read('foo') }.from(nil).to('block result') + end + end + + context 'when RequestStore is NOT active' do + it 'does not use RequestStore' do + RequestStore.clear! # Ensure clean + + expect do + described_class.fetch('foo') { 'block result' } + end.not_to change { described_class.read('foo') }.from(nil) + + RequestStore.clear! # Clean up + end + end + end + + describe '.delete' do + context 'when RequestStore is active', :request_store do + it 'uses RequestStore' do + described_class.write('foo', true) + + expect do + described_class.delete('foo') + end.to change { described_class.read('foo') }.from(true).to(nil) + end + + context 'when given a block and the key exists' do + it 'does not execute the block' do + described_class.write('foo', true) + + expect do |b| + described_class.delete('foo', &b) + end.not_to yield_control + end + end + + context 'when given a block and the key does not exist' do + it 'yields the key and returns the block result' do + result = described_class.delete('foo') { |key| "#{key} block result" } + + expect(result).to eq('foo block result') + end + end + end + + context 'when RequestStore is NOT active' do + around do |example| + RequestStore.write('foo', true) + + example.run + + RequestStore.clear! # Clean up + end + + it 'does not use RequestStore' do + expect do + described_class.delete('foo') + end.not_to change { RequestStore.read('foo') }.from(true) + end + + context 'when given a block' do + it 'yields the key and returns the block result' do + result = described_class.delete('foo') { |key| "#{key} block result" } + + expect(result).to eq('foo block result') + end + end + end + end +end |