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POUninitialized Constant error Loading a class/module in a Rails initializer
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  1. POUninitialized Constant error Loading a class/module in a Rails initializer
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    copied!<p>I'm working on integrating Stripe's webhooks into a Rails app using <a href="https://github.com/integrallis/stripe_event" rel="nofollow">https://github.com/integrallis/stripe_event</a>. I'm struggling to get my code to working according to the example in the gem's docs whereby an initializer is used to dictate which code responds to a particular event. It seems that Rails isn't (auto)loading my module in the initializer.</p> <p>I'm configuring the autoload path properly:</p> <pre><code># config/application.rb config.autoload_paths += %W(#{config.root}/lib) </code></pre> <p>The stripe initializer:</p> <pre><code>#config/initializers/stripe.rb stripe_config = YAML.load_file(Rails.root.join('config', 'stripe.yml'))[Rails.env] Stripe.api_key = stripe_config["secret_key"] STRIPE_PUBLIC_KEY = stripe_config["publishable_key"] StripeEvent.setup do # Not sure if I need this to load my module require 'stripe_event_handlers' # =&gt; true subscribe 'customer.subscription.created' do |event| StripeEventHanders.handle_customer_subscription_created(event) # Define subscriber behavior end end </code></pre> <p>Here's my custom module (though I've tried it as a class too):</p> <pre><code>#lib/stripe_event_handlers.rb module StripeEventHandlers def handle_customer_subscription_created(event) # Define subscriber behavior puts event end end </code></pre> <p>This is my test:</p> <pre><code>require 'test_helper' # --- Run this in the console to get event response for mocking --- #serialized_object = YAML::dump(Stripe::Event.retrieve('evt_0Cizt88YP0nCle')) #filename = Rails.root.join('test/fixtures/stripe_objects', 'customer_subscription_created.yml') #File.open(filename, 'w') {|f| f.write(serialized_object) } class StripeEvent::WebhookControllerTest &lt; ActionController::TestCase def test_mock_event event_id = 'evt_0Cizt88YP0nCle' event = YAML.load_file(Rails.root.join('test/fixtures/stripe_objects', 'customer_subscription_created.yml')) Stripe::Event.expects(:retrieve).with(event_id).returns(event) assert_equal Stripe::Event.retrieve(event_id), event end def test_customer_subscription_created_webhook event_id = 'evt_0Cizt88YP0nCle' event = YAML.load_file(Rails.root.join('test/fixtures/stripe_objects', 'customer_subscription_created.yml')) Stripe::Event.expects(:retrieve).at_most(2).with(event_id).returns(event) # This should be a raw post request but that doesn't seem to come through # on the stripe_event / rails side in the params hash. For testing # purposes, we can just use a get request as the route doesn't specify an # HTTP method. get :event, :use_route =&gt; :stripe_event, :id =&gt; event_id assert_response :success end end </code></pre> <p>And here's my test result failure:</p> <pre><code>StripeEvent::WebhookControllerTest ERROR (0:00:00.043) test_customer_subscription_created_webhook uninitialized constant StripeEventHanders @ config/initializers/stripe.rb:10:in `block (2 levels) in &lt;top (required)&gt;' PASS (0:00:00.053) test_mock_event Finished in 0.055477 seconds. 2 tests, 1 passed, 0 failures, 1 errors, 0 skips, 2 assertions </code></pre>
 

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