add clear_cache! to reset the stored campaigns between specs

CHANGELOG.md

@@ -3,11 +3,18 @@
 
 Important additions/changes/removals will appear here.
 
-## Master 
+## Unreleased
+
+Nothing.
+
+## 2.5 (August 24, 2023)
 
 ### Fixed
 * If you `touch` a mailing it'll check if it needs to `#end_if_no_mailings` properly [#36](https://github.com/joshmn/caffeinate/pull/36)
 
+### Added
+* `Caffeinate.dripper_collection.clear_cache!` to resolve https://github.com/joshmn/caffeinate/issues/39
+
 ## 2.4 (April 24, 2023)
 
 ### Added 

README.md

@@ -255,7 +255,7 @@ Caffeinate also...
 * ✅ Tested against large databases at AngelList and is performant as hell
 * ✅ Effortlessly handles complex workflows
     - Need to skip a certain mailing? You can!
- 
+
 ## Documentation
 
 * [Getting started, tips and tricks](https://github.com/joshmn/caffeinate/blob/master/docs/README.md)

lib/caffeinate.rb

@@ -39,4 +39,8 @@ def self.config
   def self.setup
     yield config
   end
+
+  def self.test_mode!
+
+  end
 end

lib/caffeinate/dripper_collection.rb

@@ -20,6 +20,15 @@ def drippers
       @registry.values
     end
 
+    # Caffeinate maintains a couple of class-variables under the hood
+    # that don't get reset between specs (while the db records they cache do
+    # get truncated). This resets the appropriate class-variables between specs
+    def clear_cache!
+      drippers.each do |dripper|
+        dripper.safe_constantize.class_eval { @caffeinate_campaign = nil }
+      end
+    end
+
     def clear!
       @registry = {}
     end

lib/caffeinate/rspec/helpers.rb

@@ -0,0 +1,5 @@
+RSpec.configure do |config|
+  config.before(:each) do
+    Caffeinate.dripper_collection.clear_cache!
+  end
+end