Expose connection params so proxy may be set

lib/jeff.rb

@@ -105,11 +105,11 @@ def self.included(base)
 
   # A reusable HTTP connection.
   def connection
-    @connection ||= Excon.new(aws_endpoint,
-      headers: { "User-Agent" => self.class.user_agent },
-      expects: 200,
-      omit_default_port: true
-    )
+    @connection ||= Excon.new(aws_endpoint, connection_params)
+  end
+
+  def connection_params
+    @connection_params ||= default_connection_params
   end
 
   attr_accessor :aws_endpoint
@@ -145,6 +145,14 @@ def #{method}(options = {})
 
   private
 
+  def default_connection_params
+    {
+      headers: { "User-Agent" => self.class.user_agent },
+      expects: 200,
+      omit_default_port: true
+    }
+  end
+
   def add_md5_digest(options)
     return unless options.key?(:body)
     md5 = Content.new(options[:body]).md5

test/test_jeff.rb

@@ -126,4 +126,13 @@ def test_gets_from_an_actual_endpoint
     res = @client.post(query: { "Action" => "GetServiceStatus" })
     assert_equal 200, res.status
   end
+
+  def test_has_no_proxy_by_default
+    refute @client.connection.proxy
+  end
+
+  def test_sets_proxy
+    @client.connection_params.store(:proxy, "http://my.proxy:4321")
+    assert @client.connection.proxy
+  end
 end