add minimal test case for goetas-webservices#168

tests/Issues/I168/I168Test.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace GoetasWebservices\Xsd\XsdToPhp\Tests\Issues\I168;
+
+use GoetasWebservices\XML\XSDReader\SchemaReader;
+use GoetasWebservices\Xsd\XsdToPhp\Naming\ShortNamingStrategy;
+use GoetasWebservices\Xsd\XsdToPhp\Php\PhpConverter;
+use PHPUnit\Framework\TestCase;
+
+class I168Test extends TestCase
+{
+    public function testChoice()
+    {
+        $reader = new SchemaReader();
+        $schema = $reader->readFile(__DIR__ . '/data.xsd');
+
+        $phpConv = new PhpConverter(new ShortNamingStrategy());
+        $phpConv->addNamespace('http://www.example.com/', 'Epa');
+
+        $items = $phpConv->convert([$schema]);
+
+        $this->assertTrue($items['Epa\ComplexType']->getProperty('key')->getNullable());
+        $this->assertTrue($items['Epa\ComplexType']->getProperty('stream')->getNullable());
+        $this->assertTrue($items['Epa\ComplexType']->getProperty('packet')->getNullable());
+    }
+}

tests/Issues/I168/data.xsd

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.example.com/" elementFormDefault="qualified">
+    <xs:complexType name="ComplexType">
+        <xs:choice>
+            <xs:sequence>
+                <xs:element name="key" type="xs:string"/>
+                <xs:element name="stream" type="xs:string" minOccurs="0" nillable="true"/>
+            </xs:sequence> 
+            <xs:sequence>
+                <xs:element name="packet" type="xs:string" maxOccurs="unbounded"/>
+            </xs:sequence>
+        </xs:choice>
+    </xs:complexType>
+</xs:schema>