From 6c68d02ce575428145ee389150cd3a6f4b9bcba1 Mon Sep 17 00:00:00 2001
From: monofone <s.rohweder@blage.net>
Date: Wed, 8 Jan 2014 23:03:19 +0100
Subject: [PATCH] changed handling of transfer amounts as this lead ton an erro
 #28 Added test for bcmath in case the provided amount is a float

---
 .../BaseTransferInformation.php               |   7 +-
 phpunit.xml.dist                              |   8 +-
 tests/Unit/SumOutputTest.php                  | 144 ++++++++++++++++++
 3 files changed, 157 insertions(+), 2 deletions(-)
 create mode 100644 tests/Unit/SumOutputTest.php

diff --git a/lib/Digitick/Sepa/TransferInformation/BaseTransferInformation.php b/lib/Digitick/Sepa/TransferInformation/BaseTransferInformation.php
index 2b82df8..8c8068b 100644
--- a/lib/Digitick/Sepa/TransferInformation/BaseTransferInformation.php
+++ b/lib/Digitick/Sepa/TransferInformation/BaseTransferInformation.php
@@ -23,6 +23,7 @@
 namespace Digitick\Sepa\TransferInformation;
 
 use Digitick\Sepa\DomBuilder\DomBuilderInterface;
+use Digitick\Sepa\Exception\InvalidArgumentException;
 use Digitick\Sepa\Util\StringHelper;
 
 class BaseTransferInformation implements TransferInformationInterface
@@ -84,7 +85,11 @@ public function __construct($amount, $iban, $name)
     {
         $amount += 0;
         if (is_float($amount)) {
-            $amount = (integer)($amount * 100);
+            if(!function_exists('bcscale')) {
+                throw new InvalidArgumentException('Using floats for amount is only possible with bcmath enabled');
+            }
+            bcscale(2);
+            $amount = (integer)bcmul($amount, 100);
         }
         $this->transferAmount = $amount;
         $this->iban = $iban;
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 4bc87ee..7f12fe1 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit bootstrap="./tests/bootstrap.php" color="true">
+<phpunit bootstrap="./tests/bootstrap.php"
+         colors="true"
+         stopOnError="false"
+         stopOnFailure="false"
+         stopOnIncomplete="false"
+         stopOnSkipped="false"
+        verbose="true">
 
     <testsuites>
         <testsuite name="PHP Sepa XML">
diff --git a/tests/Unit/SumOutputTest.php b/tests/Unit/SumOutputTest.php
new file mode 100644
index 0000000..aa9f27a
--- /dev/null
+++ b/tests/Unit/SumOutputTest.php
@@ -0,0 +1,144 @@
+<?php
+/**
+ * Created by JetBrains PhpStorm.
+ * User: srohweder
+ * Date: 1/8/14
+ * Time: 10:28 PM
+ * To change this template use File | Settings | File Templates.
+ */
+
+namespace Tests\Unit;
+
+
+use Digitick\Sepa\Exception\InvalidArgumentException;
+use Digitick\Sepa\PaymentInformation;
+use Digitick\Sepa\TransferFile\Factory\TransferFileFacadeFactory;
+use Digitick\Sepa\TransferInformation\CustomerDirectDebitTransferInformation;
+
+class SumOutputTest extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * @var \DOMXPath
+     */
+    protected $directDebitXpath;
+
+    protected function createDirectDebitXpathObject($amount)
+    {
+        $directDebit = TransferFileFacadeFactory::createDirectDebit('test123', 'Me');
+
+        // create a payment, it's possible to create multiple payments,
+        // "firstPayment" is the identifier for the transactions
+        $directDebit->addPaymentInfo(
+            'firstPayment',
+            array(
+                'id' => 'firstPayment',
+                'creditorName' => 'My Company',
+                'creditorAccountIBAN' => 'FI1350001540000056',
+                'creditorAgentBIC' => 'PSSTFRPPMON',
+                'seqType' => PaymentInformation::S_ONEOFF,
+                'creditorId' => 'DE21WVM1234567890'
+            )
+        );
+        // Add a Single Transaction to the named payment
+        $directDebit->addTransfer(
+            'firstPayment',
+            array(
+                'amount' => $amount,
+                'debtorIban' => 'FI1350001540000056',
+                'debtorBic' => 'OKOYFIHH',
+                'debtorName' => 'Their Company',
+                'debtorMandate' => 'AB12345',
+                'debtorMandateSignDate' => '13.10.2012',
+                'remittanceInformation' => 'Purpose of this direct debit'
+            )
+        );
+        // Retrieve the resulting XML
+        $xml = $directDebit->asXML();
+        $doc = new \DOMDocument();
+        $doc->loadXML($xml);
+        $this->directDebitXpath = new \DOMXPath($doc);
+        $this->directDebitXpath->registerNamespace('sepa', 'urn:iso:std:iso:20022:tech:xsd:pain.008.002.02');
+    }
+
+    /**
+     * @test
+     */
+    public function validSumIsCalculatedCorrectly()
+    {
+        $this->createDirectDebitXpathObject('19.99');
+        $controlSum = $this->directDebitXpath->query('//sepa:GrpHdr/sepa:CtrlSum');
+        $this->assertEquals('19.99', $controlSum->item(0)->textContent, 'GroupHeader ControlSum should be 19.99');
+
+        $controlSum = $this->directDebitXpath->query('//sepa:PmtInf/sepa:CtrlSum');
+        $this->assertEquals(
+            '19.99',
+            $controlSum->item(0)->textContent,
+            'PaymentInformation ControlSum should be 19.99'
+        );
+        $controlSum = $this->directDebitXpath->query('//sepa:DrctDbtTxInf/sepa:InstdAmt');
+        $this->assertEquals(
+            '19.99',
+            $controlSum->item(0)->textContent,
+            'DirectDebitTransferInformation InstructedAmount should be 19.99'
+        );
+    }
+
+    /**
+     * @test
+     */
+    public function floatSumIsCalculatedCorrectly()
+    {
+        $this->createDirectDebitXpathObject('19.999');
+        $controlSum = $this->directDebitXpath->query('//sepa:GrpHdr/sepa:CtrlSum');
+        $this->assertEquals('19.99', $controlSum->item(0)->textContent, 'GroupHeader ControlSum should be 19.99');
+
+        $controlSum = $this->directDebitXpath->query('//sepa:PmtInf/sepa:CtrlSum');
+        $this->assertEquals(
+            '19.99',
+            $controlSum->item(0)->textContent,
+            'PaymentInformation ControlSum should be 19.99'
+        );
+        $controlSum = $this->directDebitXpath->query('//sepa:DrctDbtTxInf/sepa:InstdAmt');
+        $this->assertEquals(
+            '19.99',
+            $controlSum->item(0)->textContent,
+            'DirectDebitTransferInformation InstructedAmount should be 19.99'
+        );
+    }
+
+    /**
+     * @test
+     */
+    public function floatsAreAcceptedIfBcMathExtensionIsAvailable()
+    {
+        if(!function_exists('bcscale')) {
+            $this->markTestSkipped('no bcmath extension available');
+        }
+        $transfer = new CustomerDirectDebitTransferInformation(
+            '19.999',
+            'IbanOfDebitor',
+            'DebitorName'
+        );
+
+        $this->assertEquals(1999, $transfer->getTransferAmount());
+    }
+
+    /**
+     * @test
+     * @expectedException \Digitick\Sepa\Exception\InvalidArgumentException
+     */
+    public function exceptionIsThrownIfBcMathExtensionIsNotAvailableAndInputIsFloat()
+    {
+        if(function_exists('bcscale')) {
+            $this->markTestSkipped('bcmath extension available, not possible to test exceptions');
+        }
+        $transfer = new CustomerDirectDebitTransferInformation(
+            '19.999',
+            'IbanOfDebitor',
+            'DebitorName'
+        );
+
+        $this->assertEquals(1999, $transfer->getTransferAmount());
+    }
+}