Sha256: a24561aee2769d133834572bc3c14b1befeadee7e3695f4933a6dd074a1c1196
Contents?: true
Size: 700 Bytes
Versions: 24
Compression:
Stored size: 700 Bytes
Contents
require 'spec_helper'
describe Internals::Generators::Weights::Logarithmic do
before(:each) do
@cacher = described_class.new
end
describe 'generate_from' do
it 'should not fail on empties' do
@cacher.generate_from({ :key => [] }).should == { :key => 0 }
end
it 'should round to 2' do
@cacher.generate_from({ :key => [1,2,3,4] }).should == { :key => 1.39 }
end
end
describe 'weight_for' do
it 'should be 0 for 0' do
@cacher.weight_for(0).should == 0
end
it 'should be 0 for 1' do
@cacher.weight_for(1).should == 0
end
it 'should be log(x) for x' do
@cacher.weight_for(1234).should == Math.log(1234)
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems