Sha256: 066763f85ac95a5141d0be5e2c8902a71e6f03bff77c74363e4ea6ad24310019
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Versions: 7
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Contents
require 'spec_helper'
module Alf
describe Lispy, "Relation(...)" do
let(:lispy){ Alf.lispy }
subject{ lispy.Relation(*args) }
describe 'on a single tuple' do
let(:args){ [{:name => "Alf"}] }
it{ should eq(Relation[*args]) }
end
describe 'on two tuples' do
let(:args){ [{:name => "Alf"}, {:name => "Lispy"}] }
it{ should eq(Relation[*args]) }
end
describe 'on a Symbol' do
let(:args){ [:suppliers] }
specify{
subject.should eq(lispy.environment.dataset(:suppliers).to_rel)
}
end
describe "on the documentation example" do
specify {
lispy.evaluate{
Relation(
Tuple(:pid => 'P1', :name => 'Nut', :color => 'red', :heavy => true ),
Tuple(:pid => 'P2', :name => 'Bolt', :color => 'green', :heavy => false),
Tuple(:pid => 'P3', :name => 'Screw', :color => 'blue', :heavy => false)
)
}.should be_a(Relation)
}
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems