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84 - Leveraging Our Contract Tests

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This commit is contained in:
Adam Wathan
2017-03-17 12:36:43 -04:00
parent 6e983c593c
commit 8c8d05a353
3 changed files with 21 additions and 8 deletions
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4
app/Billing/FakePaymentGateway.php
View File

@@ -4,6 +4,8 @@ namespace App\Billing;
class FakePaymentGateway implements PaymentGateway
{
const TEST_CARD_NUMBER = '4242424242424242';
private $charges;
private $tokens;
private $beforeFirstChargeCallback;
@@ -14,7 +16,7 @@ class FakePaymentGateway implements PaymentGateway
$this->tokens = collect();
}
public function getValidTestToken($cardNumber = '4242424242424242')
public function getValidTestToken($cardNumber = self::TEST_CARD_NUMBER)
{
$token = 'fake-tok_'.str_random(24);
$this->tokens[$token] = $cardNumber;

21
app/Billing/StripePaymentGateway.php
View File

@@ -2,11 +2,12 @@
namespace App\Billing;
use Stripe\Charge;
use Stripe\Error\InvalidRequest;
class StripePaymentGateway implements PaymentGateway
{
const TEST_CARD_NUMBER = '4242424242424242';
private $apiKey;
public function __construct($apiKey)
@@ -17,21 +18,26 @@ class StripePaymentGateway implements PaymentGateway
public function charge($amount, $token)
{
try {
Charge::create([
$stripeCharge = \Stripe\Charge::create([
'amount' => $amount,
'source' => $token,
'currency' => 'usd',
], ['api_key' => $this->apiKey]);
return new Charge([
'amount' => $stripeCharge['amount'],
'card_last_four' => $stripeCharge['source']['last4'],
]);
} catch (InvalidRequest $e) {
throw new PaymentFailedException;
}
}
public function getValidTestToken()
public function getValidTestToken($cardNumber = self::TEST_CARD_NUMBER)
{
return \Stripe\Token::create([
"card" => [
"number" => "4242424242424242",
"number" => $cardNumber,
"exp_month" => 1,
"exp_year" => date('Y') + 1,
"cvc" => "123"
@@ -43,7 +49,12 @@ class StripePaymentGateway implements PaymentGateway
{
$latestCharge = $this->lastCharge();
$callback($this);
return $this->newChargesSince($latestCharge)->pluck('amount');
return $this->newChargesSince($latestCharge)->map(function ($stripeCharge) {
return new Charge([
'amount' => $stripeCharge['amount'],
'card_last_four' => $stripeCharge['source']['last4'],
]);
});
}
private function lastCharge()

4
tests/unit/Billing/PaymentGatewayContractTests.php
View File

@@ -24,9 +24,9 @@ trait PaymentGatewayContractTests
{
$paymentGateway = $this->getPaymentGateway();
$charge = $paymentGateway->charge(2500, $paymentGateway->getValidTestToken('0000000000004242'));
$charge = $paymentGateway->charge(2500, $paymentGateway->getValidTestToken($paymentGateway::TEST_CARD_NUMBER));
$this->assertEquals('4242', $charge->cardLastFour());
$this->assertEquals(substr($paymentGateway::TEST_CARD_NUMBER, -4), $charge->cardLastFour());
$this->assertEquals(2500, $charge->amount());
}