add params method to beers.

It's an additional way to specify parameters to send to brewery db

CHANGELOG.md

@@ -1,4 +1,5 @@
 ## v0.1.0 (unreleased)
+* Add params method to beers.  Allows passing additional parameters in an additional way.
 * Add params method to beer.  Allows passing additional parameters in an additional way.
 
 ## v0.0.1

lib/tankard/api/beers.rb

@@ -32,6 +32,13 @@ def page(number)
         self
       end
 
+      def params(options={})
+        options.each_pair do |key,value|
+          @options[key] = value
+        end
+        self
+      end
+
       private
 
         def options_have_page_set

spec/tankard/api/beers_spec.rb

@@ -33,6 +33,27 @@
     end
   end
 
+  describe "#params" do
+
+    it "sets parameters" do
+      beers.params(withSocialAccounts: "y", withGuilds: "n")
+      beers_options = beers.instance_variable_get(:"@options")
+      expect(beers_options[:withSocialAccounts]).to eql("y")
+      expect(beers_options[:withGuilds]).to eql("n")
+    end
+
+    it "merges params when called multiple times" do
+      beers.params(test: "n")
+      beers.params(test: "y")
+      beers_options = beers.instance_variable_get(:"@options")
+      expect(beers_options[:test]).to eql("y")
+    end
+
+    it "returns itself" do
+      expect(beers.object_id).to eql(beers.params.object_id)
+    end
+  end
+
   describe "when making a request" do
 
     context "and a page is set" do