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Contents
require 'rdf/spec'
module RDF_Countable
extend RSpec::SharedContext
include RDF::Spec::Matchers
before :each do
raise '+@countable+ must be defined in a before(:each) block' unless instance_variable_get('@countable')
@filename = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '..', 'etc', 'doap.nt'))
@statements = RDF::NTriples::Reader.new(File.open(@filename)).to_a
if @countable.empty?
if @countable.respond_to?(:<<)
@statements.each { |statement| @countable << statement }
else
raise "+@countable+ must respond to #<< or be pre-populated with the statements in #{@filename} in a before(:each) block"
end
end
end
describe RDF::Countable do
it "responds to #empty?" do
@countable.should respond_to(:empty?)
end
it "responds to #count and #size" do
@countable.should respond_to(:count, :size)
end
it "implements #empty?" do
([].extend(RDF::Countable)).empty?.should be_true
([42].extend(RDF::Countable)).empty?.should be_false
@countable.empty?.should be_false
end
it "implements #count and #size" do
%w(count size).each do |method|
@countable.send(method).should >= @statements.size
end
end
it "returns countable enumerators" do
@countable.to_enum.should be_countable
@countable.enum_for.should be_countable
@countable.enum_for(:each).should be_countable
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems