Validate error response body for empty string (#75)

Author: tyrauber

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Change Log
 
+## 3.0.1 - 2020-4-3
+
+### Changes
+
+- Validate error response body for empty string
+
 ## 3.0.0 - 2020-3-2
 
 ### Removed
@@ -8,13 +14,13 @@
 
 ## 2.6.0 - 2020-1-23
 
-### Chages
+### Changes
 
 - Dont send content types with dynamic templates (#69)
 
 ## 2.5.0 - 2020-1-21
 
-### Chages
+### Changes
 
 - Add personalizations field (#60)
 

lib/sendgrid_actionmailer.rb

@@ -280,7 +280,7 @@ def perform_send_request(email)
       result = client.mail._('send').post(request_body: email.to_json) # ლ(ಠ益ಠლ) that API
 
       if result.status_code && result.status_code.start_with?('4')
-        message = !!(result.body) ? JSON.parse(result.body).fetch('errors').pop.fetch('message') : 'Sendgrid API Error'
+        message = !(result.body.empty?) ? JSON.parse(result.body).fetch('errors').pop.fetch('message') : 'Sendgrid API Error'
         full_message = "Sendgrid delivery failed with #{result.status_code} #{message}"
 
         settings[:raise_delivery_errors] ? raise(SendgridDeliveryError, full_message) : warn(full_message)

lib/sendgrid_actionmailer/version.rb

@@ -1,3 +1,3 @@
 module SendGridActionMailer
-  VERSION = '3.0.0'.freeze
+  VERSION = '3.0.1'.freeze
 end