Sha256: 0c4ce999126af9c43c52709a15f22c5f1eeb271d57428ac094a3abf571ab1e8a
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Size: 636 Bytes
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Contents
# encoding: utf-8 require 'spec_helper' describe Algebra::Projection, '#each' do subject { object.each { |tuple| yields << tuple } } let(:body) { [ [ 1, 'Dan Kubb' ], [ 2, 'Dan Kubb' ], [ 2, 'Alex Kubb'] ] } let(:relation) { Relation.new([ [ :id, Integer ], [ :name, String ] ], body) } let(:object) { described_class.new(relation, [ :id ]) } let(:yields) { [] } it_should_behave_like 'an #each method' it 'yields each tuple' do expect { subject }.to change { yields.dup }. from([]). to([ [ 1 ], [ 2 ] ]) end end
Version data entries
4 entries across 4 versions & 1 rubygems