From 0f17254d4a4dc21448950dba9ee28a2e7408a58d Mon Sep 17 00:00:00 2001
From: Olle Jonsson <olle.jonsson@gmail.com>
Date: Wed, 23 Nov 2016 11:55:24 +0100
Subject: [PATCH] Carry #579: Faraday::Utils::Headers YAML can be serialized
 (#634)

* Bootstrap method that fixes deserializing with YAML

* YAML encoding of Header

* Utils.rb: Avoid relying on the #names method
---
 lib/faraday/utils.rb |  8 ++++++++
 test/utils_test.rb   | 10 ++++++++++
 2 files changed, 18 insertions(+)

diff --git a/lib/faraday/utils.rb b/lib/faraday/utils.rb
index 66d3855f..11cdfa03 100644
--- a/lib/faraday/utils.rb
+++ b/lib/faraday/utils.rb
@@ -108,6 +108,14 @@ module Faraday
           }
       end
 
+      def init_with(coder)
+        @names = coder['names']
+      end
+
+      def encode_with(coder)
+        coder['names'] = @names
+      end
+
       protected
 
       def names
diff --git a/test/utils_test.rb b/test/utils_test.rb
index ec5dc2a9..58f96a84 100644
--- a/test/utils_test.rb
+++ b/test/utils_test.rb
@@ -63,5 +63,15 @@ class TestUtils < Faraday::TestCase
       Faraday::Utils.default_uri_parser = old_parser
     end
   end
+
+  # YAML parsing
+
+  def test_headers_yaml_roundtrip
+    headers = Faraday::Utils::Headers.new('User-Agent' => 'safari', 'Content-type' => 'text/html')
+    result = YAML.load(headers.to_yaml)
+
+    assert result.include?('user-agent'), 'Unable to hydrate to a correct Headers'
+    assert result.include?('content-type'), 'Unable to hydrate to a correct Headers'
+  end
 end