36 lines
982 B
Ruby
36 lines
982 B
Ruby
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require 'spec_helper'
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require 'puppet/util/external_iterator'
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describe Puppet::Util::ExternalIterator do
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let(:subject) { Puppet::Util::ExternalIterator.new(["a", "b", "c"]) }
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context "#next" do
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it "should iterate over the items" do
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subject.next.should == ["a", 0]
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subject.next.should == ["b", 1]
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subject.next.should == ["c", 2]
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end
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end
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context "#peek" do
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it "should return the 0th item repeatedly" do
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subject.peek.should == ["a", 0]
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subject.peek.should == ["a", 0]
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end
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it "should not advance the iterator, but should reflect calls to #next" do
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subject.peek.should == ["a", 0]
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subject.peek.should == ["a", 0]
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subject.next.should == ["a", 0]
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subject.peek.should == ["b", 1]
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subject.next.should == ["b", 1]
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subject.peek.should == ["c", 2]
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subject.next.should == ["c", 2]
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subject.peek.should == [nil, nil]
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subject.next.should == [nil, nil]
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end
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end
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end
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