100 lines
2.5 KiB
Ruby
100 lines
2.5 KiB
Ruby
require 'spec_helper'
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describe RedisCacheable do
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let(:model) do
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Struct.new(:id, :attributes) do
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def read_attribute(attribute)
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attributes[attribute]
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end
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def cast_value_from_cache(attribute, cached_value)
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cached_value
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end
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def has_attribute?(attribute)
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attributes.has_key?(attribute)
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end
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end
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end
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let(:payload) { { name: 'value', time: Time.zone.now } }
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let(:instance) { model.new(1, payload) }
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let(:cache_key) { instance.__send__(:cache_attribute_key) }
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before do
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model.include(described_class)
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end
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describe '#cached_attribute' do
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subject { instance.cached_attribute(payload.keys.first) }
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it 'gets the cache attribute' do
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Gitlab::Redis::SharedState.with do |redis|
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expect(redis).to receive(:get).with(cache_key)
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.and_return(payload.to_json)
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end
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expect(subject).to eq(payload.values.first)
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end
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end
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describe '#cache_attributes' do
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subject { instance.cache_attributes(payload) }
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it 'sets the cache attributes' do
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Gitlab::Redis::SharedState.with do |redis|
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expect(redis).to receive(:set).with(cache_key, payload.to_json, anything)
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end
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subject
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end
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end
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describe '#cached_attr_reader', :clean_gitlab_redis_shared_state do
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subject { instance.name }
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before do
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model.cached_attr_reader(:name)
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end
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context 'when there is no cached value' do
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it 'reads the attribute' do
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expect(instance).to receive(:read_attribute).and_call_original
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expect(subject).to eq(payload[:name])
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end
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end
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context 'when there is a cached value' do
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it 'reads the cached value' do
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expect(instance).not_to receive(:read_attribute)
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instance.cache_attributes(payload)
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expect(subject).to eq(payload[:name])
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end
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end
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it 'always returns the latest values' do
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expect(instance.name).to eq(payload[:name])
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instance.cache_attributes(name: 'new_value')
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expect(instance.name).to eq('new_value')
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end
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end
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describe '#cast_value_from_cache' do
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subject { instance.__send__(:cast_value_from_cache, attribute, value) }
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context 'with runner contacted_at' do
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let(:instance) { Ci::Runner.new }
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let(:attribute) { :contacted_at }
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let(:value) { '2018-05-07 13:53:08 UTC' }
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it 'converts cache string to appropriate type' do
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expect(subject).to be_an_instance_of(ActiveSupport::TimeWithZone)
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end
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end
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end
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end
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