diff --git a/spec/controllers/discourse_donations/charges_controller_spec.rb b/spec/controllers/discourse_donations/charges_controller_spec.rb
index 21a632e..e8a2cb8 100644
--- a/spec/controllers/discourse_donations/charges_controller_spec.rb
+++ b/spec/controllers/discourse_donations/charges_controller_spec.rb
@@ -15,25 +15,15 @@ module DiscourseDonations
   RSpec.describe ChargesController, type: :controller do
     routes { DiscourseDonations::Engine.routes }
     let(:body) { JSON.parse(response.body) }
-    fab!(:user) { Fabricate(:user, name: 'Lynette') }
+    let(:current_user) { log_in(:coding_horror) }
+    # Workaround for rails-5 issue. See https://github.com/thoughtbot/shoulda-matchers/issues/1018#issuecomment-315876453
+    let(:allowed_params) { { create_account: 'true', email: 'email@example.com', password: 'secret', username: 'mr-pink', name: 'kirsten', amount: 100, stripeToken: 'rrurrrurrrrr' } }
 
     before do
       SiteSetting.stubs(:disable_discourse_narrative_bot_welcome_post).returns(true)
       SiteSetting.stubs(:discourse_donations_secret_key).returns('secret-key-yo')
       SiteSetting.stubs(:discourse_donations_description).returns('charity begins at discourse plugin')
       SiteSetting.stubs(:discourse_donations_currency).returns('AUD')
-    end
-
-    # Workaround for rails-5 issue. See https://github.com/thoughtbot/shoulda-matchers/issues/1018#issuecomment-315876453
-    let(:allowed_params) { { create_account: 'true', email: 'email@example.com', password: 'secret', username: 'mr-pink', name: 'kirsten', amount: 100, stripeToken: 'rrurrrurrrrr' } }
-
-    it 'whitelists the params' do
-      should permit(:name, :username, :email, :password, :create_account).
-        for(:create, params: { params: allowed_params })
-    end
-
-    it 'responds ok for anonymous users' do
-      controller.expects(:current_user).at_least(1).returns(user)
 
       customer = Fabricate(:stripe_customer).to_json
 
@@ -58,7 +48,14 @@ module DiscourseDonations
 
       stub_request(:get, "https://api.stripe.com/v1/invoices?customer=cus_FhHJDzf0OxYtb8&subscription=sub_8epEF0PuRhmltU")
         .to_return(status: 200, body: invoices)
+    end
 
+    it 'whitelists the params' do
+      should permit(:name, :username, :email, :password, :create_account).
+        for(:create, params: { params: allowed_params })
+    end
+
+    it 'responds ok for anonymous users' do
       post :create, params: { email: 'foobar@example.com' }, format: :json
 
       aggregate_failures do
@@ -68,10 +65,15 @@ module DiscourseDonations
     end
 
     it 'does not expect a username or email if accounts are not being created' do
-      current_user = log_in(:coding_horror)
-      post :create, params: { create_account: 'false' }, format: :json
-      expect(body['messages'][0]).to end_with(I18n.t('donations.payment.success'))
-      expect(response).to have_http_status(200)
+      charge = Fabricate(:stripe_charge).to_json
+      stub_request(:post, "https://api.stripe.com/v1/charges").to_return(status: 200, body: charge)
+
+      post :create, params: { create_account: 'false', type: 'once' }, format: :json
+
+      aggregate_failures do
+        expect(response).to have_http_status(200)
+        expect(body['messages'][0]).to end_with(I18n.t('donations.payment.success'))
+      end
     end
 
     describe 'create accounts' do
diff --git a/spec/fabricators/charge_fabricator.rb b/spec/fabricators/charge_fabricator.rb
new file mode 100644
index 0000000..e45e8eb
--- /dev/null
+++ b/spec/fabricators/charge_fabricator.rb
@@ -0,0 +1,110 @@
+
+Fabricator(:stripe_charge, from: "DiscourseDonations::StripeResponse") do
+  response = {
+    "id": "ch_1FBxEe2eZvKYlo2CAWyww6QM",
+    "object": "charge",
+    "amount": 100,
+    "amount_refunded": 0,
+    "application": "null",
+    "application_fee": "null",
+    "application_fee_amount": "null",
+    "balance_transaction": "txn_19XJJ02eZvKYlo2ClwuJ1rbA",
+    "billing_details": {
+      "address": {
+        "city": "null",
+        "country": "null",
+        "line1": "null",
+        "line2": "null",
+        "postal_code": "null",
+        "state": "null"
+      },
+      "email": "null",
+      "name": "null",
+      "phone": "null"
+    },
+    "captured": false,
+    "created": 1566883732,
+    "currency": "usd",
+    "customer": "null",
+    "description": "My First Test Charge (created for API docs)",
+    "destination": "null",
+    "dispute": "null",
+    "failure_code": "null",
+    "failure_message": "null",
+    "fraud_details": {},
+    "invoice": "null",
+    "livemode": false,
+    "metadata": {},
+    "on_behalf_of": "null",
+    "order": "null",
+    "outcome": "null",
+    "paid": true,
+    "payment_intent": "null",
+    "payment_method": "card_103Z0w2eZvKYlo2CyzMjT1R1",
+    "payment_method_details": {
+      "card": {
+        "brand": "visa",
+        "checks": {
+          "address_line1_check": "null",
+          "address_postal_code_check": "null",
+          "cvc_check": "unchecked"
+        },
+        "country": "US",
+        "exp_month": 2,
+        "exp_year": 2015,
+        "fingerprint": "Xt5EWLLDS7FJjR1c",
+        "funding": "credit",
+        "last4": "4242",
+        "three_d_secure": "null",
+        "wallet": "null"
+      },
+      "type": "card"
+    },
+    "receipt_email": "null",
+    "receipt_number": "null",
+    "receipt_url": "https://pay.stripe.com/receipts/acct_1032D82eZvKYlo2C/ch_1FBxEe2eZvKYlo2CAWyww6QM/rcpt_FhLw6tME6cvwGXWoL0Hn3f65Gkvyocg",
+    "refunded": false,
+    "refunds": {
+      "object": "list",
+      "data": [],
+      "has_more": false,
+      "total_count": 0,
+      "url": "/v1/charges/ch_1FBxEe2eZvKYlo2CAWyww6QM/refunds"
+    },
+    "review": "null",
+    "shipping": "null",
+    "source": {
+      "id": "card_103Z0w2eZvKYlo2CyzMjT1R1",
+      "object": "card",
+      "address_city": "null",
+      "address_country": "null",
+      "address_line1": "null",
+      "address_line1_check": "null",
+      "address_line2": "null",
+      "address_state": "null",
+      "address_zip": "null",
+      "address_zip_check": "null",
+      "brand": "Visa",
+      "country": "US",
+      "customer": "null",
+      "cvc_check": "unchecked",
+      "dynamic_last4": "null",
+      "exp_month": 2,
+      "exp_year": 2015,
+      "fingerprint": "Xt5EWLLDS7FJjR1c",
+      "funding": "credit",
+      "last4": "4242",
+      "metadata": {},
+      "name": "null",
+      "tokenization_method": "null"
+    },
+    "source_transfer": "null",
+    "statement_descriptor": "null",
+    "statement_descriptor_suffix": "null",
+    "status": "succeeded",
+    "transfer_data": "null",
+    "transfer_group": "null"
+  }.to_json
+
+  to_json response
+end
diff --git a/spec/plugin_helper.rb b/spec/plugin_helper.rb
index ad4c1d0..ecab67d 100644
--- a/spec/plugin_helper.rb
+++ b/spec/plugin_helper.rb
@@ -1,4 +1,5 @@
 
+require_relative './fabricators/charge_fabricator.rb'
 require_relative './fabricators/customer_fabricator.rb'
 require_relative './fabricators/invoices_fabricator.rb'
 require_relative './fabricators/plans_fabricator.rb'