Fix tests

spec/apis/transactions_controller_spec.rb

@@ -1,4 +1,9 @@
 describe TransactionsController, type: :api do
+  def post_transaction(extra_attributes = {})
+    post '/transactions', { transaction: @api_attributes.merge(extra_attributes) },
+        { 'HTTP_ACCEPT' => "application/json", "HTTP_AUTHORIZATION" => "Token token=#{@key}" }
+  end
+
   before :each do
     @debtor   = create :user
     @creditor = create :user
@@ -14,6 +19,11 @@ describe TransactionsController, type: :api do
     @key = @client.key
   end
 
+  describe 'with key' do
+    before :each do
+      @client.add_role :create_transactions
+    end
+
     def post_transaction(extra_attributes = {})
       post '/transactions', { transaction: @api_attributes.merge(extra_attributes) },
           { 'HTTP_ACCEPT' => "application/json", "HTTP_AUTHORIZATION" => "Token token=#{@key}" }
@@ -53,4 +63,11 @@ describe TransactionsController, type: :api do
         # expect(last_response.status).to eq(422)
       # end
     end
+  end
+
+  describe 'without key' do
+    it "should not create a transaction" do
+      expect { post_transaction }.to_not change { Transaction.count }
+    end
+  end
 end