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Contents
# encoding: UTF-8
# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0
require 'spec_helper'
include TwitterCldr::Collation
describe TrieWithFallback do
let(:fallback) { Trie.new }
let(:trie) { TrieWithFallback.new(fallback) }
before(:each) { trie.add([1, 2, 3], 'value') }
describe '#get' do
it 'returns result if the key is present' do
dont_allow(fallback).get
expect(trie.get([1, 2, 3])).to eq('value')
end
it 'resorts to the fallback if the key is not present' do
mock(fallback).get([3, 2, 1]) { 'fallback-value' }
expect(trie.get([3, 2, 1])).to eq('fallback-value')
end
end
describe '#find_prefix' do
it 'returns result if the key is present' do
dont_allow(fallback).find_prefix
expect(trie.find_prefix([1, 2, 3, 4]).first(2)).to eq(['value', 3])
end
it 'resorts to the fallback if the key is not present' do
mock(fallback).find_prefix([3, 2, 1]) { 'fallback-result' }
expect(trie.find_prefix([3, 2, 1])).to eq('fallback-result')
end
end
describe 'marshaling' do
it 'does not dump fallback' do
expect(Marshal.load(Marshal.dump(TrieWithFallback.new(Trie.new))).fallback).to be_nil
end
end
end
Version data entries
21 entries across 21 versions & 2 rubygems