118 lines
3.2 KiB
Ruby
118 lines
3.2 KiB
Ruby
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require 'spec_helper'
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describe Gitlab::GithubImport::Caching, :clean_gitlab_redis_cache do
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describe '.read' do
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it 'reads a value from the cache' do
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described_class.write('foo', 'bar')
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expect(described_class.read('foo')).to eq('bar')
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end
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it 'returns nil if the cache key does not exist' do
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expect(described_class.read('foo')).to be_nil
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end
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it 'refreshes the cache key if a value is present' do
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described_class.write('foo', 'bar')
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redis = double(:redis)
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expect(redis).to receive(:get).with(/foo/).and_return('bar')
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expect(redis).to receive(:expire).with(/foo/, described_class::TIMEOUT)
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expect(Gitlab::Redis::Cache).to receive(:with).twice.and_yield(redis)
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described_class.read('foo')
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end
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it 'does not refresh the cache key if a value is empty' do
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described_class.write('foo', nil)
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redis = double(:redis)
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expect(redis).to receive(:get).with(/foo/).and_return('')
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expect(redis).not_to receive(:expire)
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expect(Gitlab::Redis::Cache).to receive(:with).and_yield(redis)
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described_class.read('foo')
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end
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end
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describe '.read_integer' do
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it 'returns an Integer' do
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described_class.write('foo', '10')
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expect(described_class.read_integer('foo')).to eq(10)
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end
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it 'returns nil if no value was found' do
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expect(described_class.read_integer('foo')).to be_nil
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end
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end
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describe '.write' do
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it 'writes a value to the cache and returns the written value' do
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expect(described_class.write('foo', 10)).to eq(10)
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expect(described_class.read('foo')).to eq('10')
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end
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end
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describe '.set_add' do
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it 'adds a value to a set' do
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described_class.set_add('foo', 10)
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described_class.set_add('foo', 10)
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key = described_class.cache_key_for('foo')
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values = Gitlab::Redis::Cache.with { |r| r.smembers(key) }
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expect(values).to eq(['10'])
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end
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end
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describe '.set_includes?' do
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it 'returns false when the key does not exist' do
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expect(described_class.set_includes?('foo', 10)).to eq(false)
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end
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it 'returns false when the value is not present in the set' do
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described_class.set_add('foo', 10)
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expect(described_class.set_includes?('foo', 20)).to eq(false)
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end
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it 'returns true when the set includes the given value' do
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described_class.set_add('foo', 10)
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expect(described_class.set_includes?('foo', 10)).to eq(true)
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end
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end
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describe '.write_multiple' do
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it 'sets multiple keys' do
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mapping = { 'foo' => 10, 'bar' => 20 }
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described_class.write_multiple(mapping)
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mapping.each do |key, value|
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full_key = described_class.cache_key_for(key)
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found = Gitlab::Redis::Cache.with { |r| r.get(full_key) }
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expect(found).to eq(value.to_s)
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end
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end
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end
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describe '.expire' do
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it 'sets the expiration time of a key' do
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timeout = 1.hour.to_i
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described_class.write('foo', 'bar', timeout: 2.hours.to_i)
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described_class.expire('foo', timeout)
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key = described_class.cache_key_for('foo')
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found_ttl = Gitlab::Redis::Cache.with { |r| r.ttl(key) }
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expect(found_ttl).to be <= timeout
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end
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end
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end
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