Contents

require 'spec_helper'
class Predicate
  describe Predicate, "qualify" do

    let(:p){ Predicate }

    subject{ predicate.qualify(qualifier) }

    let(:qualifier) { {:x => :t} }

    context 'on a full AST predicate' do
      let(:predicate){ p.in(:x, [2]) & p.eq(:y, 3) }

      it{ should eq(p.in(Factory.qualified_identifier(:t, :x), [2]) & p.eq(:y, 3)) }

      specify "it should tag expressions correctly" do
        subject.expr.should be_a(Sexpr)
        subject.expr.should be_a(Expr)
        subject.expr.should be_a(And)
      end
    end

    context 'on a predicate that contains natives' do
      let(:predicate){ p.in(:x, [2]) & p.native(lambda{}) }

      it 'raises an error' do
        lambda{
          subject
        }.should raise_error(NotSupportedError)
      end
    end

  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
predicate-1.1.3	spec/predicate/test_qualify.rb
predicate-1.1.2	spec/predicate/test_qualify.rb
predicate-1.1.1	spec/predicate/test_qualify.rb
predicate-1.1.0	spec/predicate/test_qualify.rb
predicate-1.0.0	spec/predicate/test_qualify.rb