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Contents
# encoding: utf-8
require 'spec_helper'
describe SQL::Generator::Relation::Set, '.normalize_operand_headers' do
subject { object.normalize_operand_headers(relation) }
let(:object) { described_class }
let(:relation) { left.union(right) }
let(:relation_name) { 'test' }
let(:header) { [ [ :id, Integer, ], [ :name, String ] ] }
let(:body) { [].each }
context 'when the left and right headers are sorted in the same order' do
let(:left) { Relation::Base.new(relation_name, header, body) }
let(:right) { Relation::Base.new(relation_name, header, body) }
it { should equal(relation) }
end
context 'when the left and right headers are sorted in different order' do
let(:left) { Relation::Base.new(relation_name, header, body) }
let(:right) { Relation::Base.new(relation_name, header.reverse, body) }
it { should_not equal(relation) }
its(:right) { should_not equal(right) }
it { should be_kind_of(relation.class) }
its(:left) { should equal(left) }
its(:right) { should eql(right.project(header)) }
end
end
Version data entries
5 entries across 5 versions & 2 rubygems