core: BoxMetadata supports checksums

lib/vagrant/box_metadata.rb

@@ -120,9 +120,21 @@ module Vagrant
       # @return [String]
       attr_accessor :url
 
+      # The checksum value for this box, if any.
+      #
+      # @return [String]
+      attr_accessor :checksum
+
+      # The type of checksum (if any) associated with this provider.
+      #
+      # @return [String]
+      attr_accessor :checksum_type
+
       def initialize(raw)
         @name = raw["name"]
         @url  = raw["url"]
+        @checksum = raw["checksum"]
+        @checksum_type = raw["checksum_type"]
       end
     end
   end

test/unit/vagrant/box_metadata_test.rb

@@ -154,4 +154,19 @@ describe Vagrant::BoxMetadata::Provider do
       expect(subject.url).to eq("bar")
     end
   end
+
+  describe "#checksum and #checksum_type" do
+    it "is set properly" do
+      raw["checksum"] = "foo"
+      raw["checksum_type"] = "bar"
+
+      expect(subject.checksum).to eq("foo")
+      expect(subject.checksum_type).to eq("bar")
+    end
+
+    it "is nil if not set" do
+      expect(subject.checksum).to be_nil
+      expect(subject.checksum_type).to be_nil
+    end
+  end
 end