Add user_data_is_match? method

lib/msf/core/module.rb

@@ -278,6 +278,14 @@ class Module
     raise RuntimeError, "#{reason.to_s}: #{msg}"
   end
 
+  # Whether {user_data} contains everything necessary to make a
+  # `MetasploitDataModels::AutomaticExploitation::MatchResult`
+  #
+  # @return [bool]
+  def user_data_is_match?
+    user_data.kind_of?(Hash) && user_data.keys == [ :match, :match_set, :run ]
+  end
+
   ##
   #
   # Just some handy quick checks

spec/lib/msf/core/module_spec.rb

@@ -46,6 +46,17 @@ describe Msf::Module do
     it { is_expected.to respond_to :is_usable }
   end
 
+  describe '#user_data_is_match?' do
+    subject(:msf_module) {
+      msf_module = described_class.new
+      msf_module.user_data = { match: 'match', match_set: 'match_set', run: 'run' }
+      msf_module
+    }
+    specify do
+      expect(msf_module.user_data_is_match?).to eq(true)
+    end
+  end
+
   describe "cloning modules into replicants" do
     module MsfExtensionTestFoo; def my_test1; true; end; end;
     module MsfExtensionTestBar; def my_test2; true; end; end;