Add test to make sure that objects put in site.github.url are converted to strings before use

Author: WasabiFan

spec/jekyll_redirect_from/redirector_spec.rb

@@ -88,6 +88,11 @@
       expect(redirector.redirect_url(@site, page_with_one)).to start_with("http://example.github.io/test")
     end
 
+    it "converts non-string values in site.github.url to strings" do
+      @site.config['github'] = { "url" => TestStringContainer.new("http://example.github.io/test") }
+      expect(redirector.redirect_url(@site, page_with_one)).to start_with("http://example.github.io/test")
+    end
+
     it "uses site.baseurl as the redirect prefix when site.github.url is not set" do
       @site.config['baseurl'] = "/fancy/prefix"
       expect(redirector.redirect_url(@site, page_with_one)).to start_with("/fancy/prefix")

spec/spec_helper.rb

@@ -79,3 +79,13 @@ def destination_sitemap
     File.read(File.join(@dest.to_s, 'sitemap.xml'))
   end
 end
+
+class TestStringContainer
+  def initialize(strValue)
+    @val = strValue
+  end
+
+  def to_s
+    @val
+  end
+end