Add Whoami struct to replace Hash response

Closes GH-110

lib/dnsimple/client/identity.rb

@@ -7,15 +7,12 @@ module Identity
       # @see https://developer.dnsimple.com/v2/identity/#whoami
       #
       # @param  [Hash] options
-      # @return [Dnsimple::Response<Hash>]
+      # @return [Dnsimple::Response<Dnsimple::Struct::Whoami>]
       # @raise  [Dnsimple::RequestError]
       def whoami(options = {})
         response = client.get(Client.versioned("/whoami"), options)
 
-        data = response["data"]
-        account = data["account"] ? Struct::Account.new(data["account"]) : nil
-        user = data["user"] ? Struct::User.new(data["user"]) : nil
-        Response.new(response, account: account, user: user)
+        Dnsimple::Response.new(response, Struct::Whoami.new(response["data"]))
       end
 
 

lib/dnsimple/struct.rb

@@ -29,3 +29,4 @@ def initialize(attributes = {})
 require_relative 'struct/whois_privacy'
 require_relative 'struct/zone'
 require_relative 'struct/webhook'
+require_relative 'struct/whoami'

lib/dnsimple/struct/whoami.rb

@@ -0,0 +1,30 @@
+module Dnsimple
+  module Struct
+
+    class Whoami < Base
+      # @return [Account] The account, if present.
+      attr_accessor :account
+
+      # @return [String] The user, if present.
+      attr_accessor :user
+
+
+      # Converts account to a Struct::Account and sets it.
+      #
+      # @param  [Hash, nil] account
+      # @return [void]
+      def account=(account)
+        @account = account ? Struct::Account.new(account) : account
+      end
+
+      # Converts user to a Struct::User and sets it.
+      #
+      # @param  [Hash, nil] user
+      # @return [void]
+      def user=(user)
+        @user = user ? Struct::User.new(user) : user
+      end
+    end
+
+  end
+end

spec/dnsimple/client/identity_spec.rb

@@ -18,12 +18,12 @@
           with(headers: { 'Accept' => 'application/json' })
     end
 
-    it "returns a response" do
+    it "returns the whoami" do
       response = subject.whoami
       expect(response).to be_a(Dnsimple::Response)
 
       result = response.data
-      expect(result).to be_a(Hash)
+      expect(result).to be_a(Dnsimple::Struct::Whoami)
     end
 
     context "when authenticated as account" do
@@ -34,8 +34,8 @@
 
       it "sets the account" do
         result = subject.whoami.data
-        expect(result[:account]).to be_a(Dnsimple::Struct::Account)
-        expect(result[:user]).to be_nil
+        expect(result.account).to be_a(Dnsimple::Struct::Account)
+        expect(result.user).to be_nil
       end
     end
 
@@ -47,8 +47,8 @@
 
       it "sets the user" do
         result = subject.whoami.data
-        expect(result[:account]).to be_nil
-        expect(result[:user]).to be_a(Dnsimple::Struct::User)
+        expect(result.account).to be_nil
+        expect(result.user).to be_a(Dnsimple::Struct::User)
       end
     end
   end