From ee674bbf601aea9649c10434f9f0dc9ca4001da4 Mon Sep 17 00:00:00 2001
From: Jason Emerick <jemerick-c@stripe.com>
Date: Thu, 22 Aug 2019 12:52:24 -0400
Subject: [PATCH 1/3] auto add 3DS2 payment test numbers

---
 web.rb | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/web.rb b/web.rb
index fce305f..0ea3518 100644
--- a/web.rb
+++ b/web.rb
@@ -110,9 +110,25 @@ def authenticate!
     else
       begin
         @customer = create_customer()
+
+        payment_methods = ['pm_card_threeDSecure2Required', 'pm_card_visa']
+
+        ['4000000000003220', '4000000000003238', '4000000000003246', '4000000000003253'].each { |cc_number|
+          pm = Stripe::PaymentMethod.create({
+            type: 'card',
+            card: {
+              number: cc_number,
+              exp_month: 8,
+              exp_year: 2022,
+              cvc: '123',
+            },
+          })
+          payment_methods.push pm.id
+        }
+
         # Attach some test cards to the customer for testing convenience.
         # See https://stripe.com/docs/testing#cards
-        ['pm_card_threeDSecure2Required', 'pm_card_visa'].each { |pm_id|
+        payment_methods.each { |pm_id|
           Stripe::PaymentMethod.attach(
             pm_id,
             {

From 2e4645f9ae73c7e6f9f7b8a48ab6127c0c84dc07 Mon Sep 17 00:00:00 2001
From: Jason Emerick <jemerick-c@stripe.com>
Date: Thu, 22 Aug 2019 14:01:25 -0400
Subject: [PATCH 2/3] remove other PMs, and 4242 to CC list

---
 web.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/web.rb b/web.rb
index 0ea3518..6b1c55a 100644
--- a/web.rb
+++ b/web.rb
@@ -111,9 +111,9 @@ def authenticate!
       begin
         @customer = create_customer()
 
-        payment_methods = ['pm_card_threeDSecure2Required', 'pm_card_visa']
+        payment_methods = []
 
-        ['4000000000003220', '4000000000003238', '4000000000003246', '4000000000003253'].each { |cc_number|
+        ['4000000000003220', '4000000000003238', '4000000000003246', '4000000000003253', '4242424242424242'].each { |cc_number|
           pm = Stripe::PaymentMethod.create({
             type: 'card',
             card: {

From b00b70a1b1845784eabf2dbe049c4dfb2d71c0c3 Mon Sep 17 00:00:00 2001
From: Jason Emerick <jemerick-c@stripe.com>
Date: Thu, 22 Aug 2019 14:53:31 -0400
Subject: [PATCH 3/3] attach to customer at same time as creating payment
 method

---
 web.rb | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/web.rb b/web.rb
index 6b1c55a..a638733 100644
--- a/web.rb
+++ b/web.rb
@@ -111,10 +111,11 @@ def authenticate!
       begin
         @customer = create_customer()
 
-        payment_methods = []
-
+        # Attach some test cards to the customer for testing convenience.
+        # See https://stripe.com/docs/payments/3d-secure#three-ds-cards 
+        # and https://stripe.com/docs/mobile/android/authentication#testing
         ['4000000000003220', '4000000000003238', '4000000000003246', '4000000000003253', '4242424242424242'].each { |cc_number|
-          pm = Stripe::PaymentMethod.create({
+          payment_method = Stripe::PaymentMethod.create({
             type: 'card',
             card: {
               number: cc_number,
@@ -123,14 +124,9 @@ def authenticate!
               cvc: '123',
             },
           })
-          payment_methods.push pm.id
-        }
 
-        # Attach some test cards to the customer for testing convenience.
-        # See https://stripe.com/docs/testing#cards
-        payment_methods.each { |pm_id|
           Stripe::PaymentMethod.attach(
-            pm_id,
+            payment_method.id,
             {
               customer: @customer.id,
             }