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Contents
require 'spec_helper'
describe Looksist::SafeLruCache do
before :each do
@cache = Looksist::SafeLruCache.new(3)
end
context 'one entry' do
it 'should hold only entries limited by max size' do
@cache[:a] = 1
@cache[:b] = 2
@cache[:c] = 3
@cache[:d] = 4
expect(@cache.size).to eq(3)
expect(@cache.keys).to match_array([:b, :c, :d])
end
end
context 'multiple entries' do
it 'should flush other entries when new entries are added' do
@cache = Looksist::SafeLruCache.new(3)
@cache[:a] = 1
@cache[:b] = 2
@cache.merge!(c: 3, d: 4, e: 5)
expect(@cache.size).to eq(3)
expect(@cache.keys).to match_array([:c, :d, :e])
end
it 'race conditions when actual size equals max size' do
@cache[:a] = 1
@cache[:b] = 2
@cache.merge!(c: 3)
expect(@cache.size).to eq(3)
expect(@cache.keys).to match_array([:a, :b, :c])
end
end
context '#mslice' do
it 'should slice hash for repeating keys' do
@cache.merge!(a: 1, b: 2, c: 3)
expect(@cache.mslice([:a, :b, :c, :a, :b])).to match_array([1, 2, 3, 1, 2])
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems