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Contents
module Actir
module ParallelTests
class Grouper
class << self
def in_even_groups_by_size(items, num_groups, options= {})
groups = Array.new(num_groups) { {:items => [], :size => 0} }
groups_to_fill = (options[:isolate] ? groups[1..-1] : groups)
group_features_by_size(items_to_group(items), groups_to_fill)
groups.map!{|g| g[:items].sort }
end
private
def largest_first(files)
files.sort_by{|item, size| size }.reverse
end
def smallest_group(groups)
groups.min_by{|g| g[:size] }
end
def add_to_group(group, item, size)
group[:items] << item
group[:size] += size
end
def group_features_by_size(items, groups_to_fill)
items.each do |item, size|
size ||= 1
smallest = smallest_group(groups_to_fill)
add_to_group(smallest, item, size)
end
end
def items_to_group(items)
items.first && items.first.size == 2 ? largest_first(items) : items
end
end
end
end
end
Version data entries
31 entries across 31 versions & 1 rubygems