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Contents
require 'spec_helper'
module Alf
module Support
describe TupleScope, "evaluate" do
context 'with a simple TupleScope' do
let(:scope){ TupleScope.new(:a => 1, :b => 2) }
it "should allow a block" do
scope.evaluate{ a }.should == 1
end
it 'should resolve DUM and DEE correctly' do
scope.evaluate{ DUM }.should be_a(Relation)
end
end
context 'when scopes are added at construction' do
let(:scope){ TupleScope.new({:who => "world"}, [ HelpersInScope ]) }
it 'has available helpers in scope' do
scope.evaluate{ hello(who) }.should eq("Hello world!")
end
end
context 'when scope has a parent' do
let(:parent){ Scope.new [ HelpersInScope ] }
let(:scope){ TupleScope.new({:here => "here"}, [ ], parent) }
it 'has parent helpers in scope' do
scope.evaluate{ hello(here) }.should eq("Hello here!")
end
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems