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path: root/spec/ruby/library/rexml/element/namespaces_spec.rb
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require_relative '../../../spec_helper'

ruby_version_is ''...'2.8' do
  require 'rexml/document'

  describe "REXML::Element#namespaces" do
    before :each do
      doc = REXML::Document.new("<a xmlns='1' xmlns:y='2'><b/><c xmlns:z='3'/></a>")
      @elem = doc.elements["//c"]
    end

    it "returns a hash of the namespaces" do
      ns = {"y"=>"2", "z"=>"3", "xmlns"=>"1"}
      @elem.namespaces.keys.sort.should == ns.keys.sort
      @elem.namespaces.values.sort.should == ns.values.sort
    end

    it "returns an empty hash if no namespaces exist" do
      e = REXML::Element.new "element"
      e.namespaces.kind_of?(Hash).should == true
      e.namespaces.should be_empty
    end

    it "uses namespace prefixes as keys" do
      prefixes = ["y", "z", "xmlns"]
      @elem.namespaces.keys.sort.should == prefixes.sort
    end

    it "uses namespace values as the hash values" do
      values = ["2", "3", "1"]
      @elem.namespaces.values.sort.should == values.sort
    end

  end
end