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Contents
# encoding: UTF-8
# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0
require 'spec_helper'
describe TwitterCldr::Collation::TrieWithFallback do
let(:fallback) { TwitterCldr::Utils::Trie.new }
let(:trie) { described_class.new(fallback) }
before(:each) { trie.add([1, 2, 3], 'value') }
describe '#get' do
it 'returns result if the key is present' do
expect(fallback).to_not receive(:get)
expect(trie.get([1, 2, 3])).to eq('value')
end
it 'resorts to the fallback if the key is not present' do
expect(fallback).to receive(:get).with([3, 2, 1]).and_return('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
expect(fallback).to_not receive(: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
expect(fallback).to receive(:find_prefix).with([3, 2, 1]).and_return('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(described_class.new(TwitterCldr::Utils::Trie.new))).fallback).to be_nil
end
end
end
Version data entries
27 entries across 27 versions & 1 rubygems