Sha256: 1ebf6aa7a17ed0e6377761d69bd7fef2339bda64c778d29ea4e27aa54ae5e637
Contents?: true
Size: 1.18 KB
Versions: 25
Compression:
Stored size: 1.18 KB
Contents
require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
describe Pupa::Processor::Yielder do
let :yielder do
Pupa::Processor::Yielder.new do
10.times do |n|
Fiber.yield(n)
end
end
end
let :raiser do
Pupa::Processor::Yielder.new do
raise
end
end
describe '#each' do
it 'should iterate over the items in the enumeration' do
array = []
yielder.each do |n|
array << n
end
array.should == (0..9).to_a
end
it 'should be composable with other iterators' do
yielder.each.map{|n| n}.should == (0..9).to_a
end
end
describe '#next' do
it 'should return the next item in the enumeration' do
array = []
10.times do |n|
array << yielder.next
end
array.should == (0..9).to_a
end
it 'should raise an error if the enumerator is at the end' do
expect{11.times{yielder.next}}.to raise_error(StopIteration)
end
end
describe '#to_enum' do
it 'should return an enumerator' do
yielder.to_enum.should be_a(Enumerator)
end
it 'should return a lazy enumerator' do
expect{raiser.to_enum}.to_not raise_error
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems