Run the markdown link formatter on attachments too

lib/slack-notifier.rb

@@ -16,6 +16,13 @@ def initialize webhook_url, options={}
 
     def ping message, options={}
       message      = LinkFormatter.format(message)
+      if attachments = options[:attachments] || options["attachments"]
+        attachments.each do |attachment|
+          ["text", :text].each do |key|
+            attachment[key] = LinkFormatter.format(attachment[key]) if attachment.has_key?(key)
+          end
+        end
+      end
       payload      = default_payload.merge(options).merge(text: message)
       client       = payload.delete(:http_client) || http_client
       http_options = payload.delete(:http_options)

spec/lib/slack-notifier_spec.rb

@@ -32,6 +32,22 @@
       described_class.new('http://example.com').ping "the message", channel: 'foo'
     end
 
+    it "passes attachment messages through LinkFormatter" do
+      expect( Slack::Notifier::LinkFormatter ).to receive(:format)
+                                              .with("the message")
+      expect( Slack::Notifier::LinkFormatter ).to receive(:format)
+                                              .with("attachment message")
+      expect( Slack::Notifier::LinkFormatter ).to receive(:format)
+                                              .with("fallback message")
+
+      described_class.new('http://example.com').ping "the message", channel: 'foo',
+                                                                    attachments: [{
+                                                                      color: "#000",
+                                                                      text: "attachment message",
+                                                                      fallback: "fallback message"
+                                                                    }]
+    end
+
     context "with a default channel set" do
 
       before :each do