Commit fceb275

@@ -54,9 +54,9 @@ RSpec.describe ::Xml::Kit::Signatures do
       end
     end
 
-    node = Nokogiri::XML(result).at_xpath('//ds:Signature', { ds: ::Xml::Kit::Namespaces::XMLDSIG })
+    node = Nokogiri::XML(result).at_xpath('//ds:Signature', ds: ::Xml::Kit::Namespaces::XMLDSIG)
     dsignature = Xmldsig::Signature.new(node, 'ID=$uri or @Id')
-    expect(dsignature.valid?(key_pair.certificate.x509)).to be_truthy
+    expect(dsignature).to be_valid(key_pair.certificate.x509)
     expect(dsignature.errors).to be_empty
   end
 end

@@ -66,16 +66,16 @@ RSpec.describe ::Xml::Kit::Templatable do
     end
   end
 
-  describe "#to_xml" do
-    context "when generating a signed document" do
+  describe '#to_xml' do
+    context 'when generating a signed document' do
       let(:key_pair) { ::Xml::Kit::KeyPair.generate(use: :signing) }
 
       it 'produces a valid signature' do
         subject.sign_with(key_pair)
         result = subject.to_xml
-        node = Nokogiri::XML(result).at_xpath('//ds:Signature', { ds: ::Xml::Kit::Namespaces::XMLDSIG })
+        node = Nokogiri::XML(result).at_xpath('//ds:Signature', ds: ::Xml::Kit::Namespaces::XMLDSIG)
         dsignature = Xmldsig::Signature.new(node, 'ID=$uri or @Id')
-        expect(dsignature.valid?(key_pair.certificate.x509)).to be_truthy
+        expect(dsignature).to be_valid(key_pair.certificate.x509)
         expect(dsignature.errors).to be_empty
       end
     end