Implemented SourceMembershipInformation and tests

application/tests/Unit/Domain/SourceManagement/SourceMembershipInformationTest.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace Tests\Unit\Domain\SourceManagement;
+
+use PHPUnit\Framework\TestCase;
+use App\Domain\SourceManagement\SourceMembershipInformationInterface;
+use App\Domain\SourceManagement\SourceMembershipInformation;
+use App\Entity\Source\SourceInterface;
+use App\Entity\Source\Complex\UserSource;
+use App\Entity\Source\Primitive\Text\TextSource;
+use App\Entity\Source\Primitive\Name\FirstNameSource;
+use Doctrine\Common\Collections\ArrayCollection;
+use App\Entity\Source\Complex\FullPersonNameSource;
+
+class SourceMembershipInformationTest extends TestCase
+{
+    /**
+     * @var SourceInterface
+     */
+    protected $source;
+
+    /**
+     * @var SourceMembershipInformationInterface
+     */
+    protected $sourceMembershipInformation;
+
+    public function setUp(): void
+    {
+        $this->source = new UserSource();
+        $this->sourceMembershipInformation = new SourceMembershipInformation($this->source);
+    }
+
+    public function testOneDimension(): void
+    {
+        $this->source->getMemberships()->add(new TextSource());
+        $this->assertEquals(1, $this->sourceMembershipInformation->getAllMemberships()->count());
+    }
+
+    public function testThreeDimension(): void
+    {
+        $source1 = new TextSource();
+        $source2 = new FirstNameSource();
+        $source2->setMemberships(new ArrayCollection([$source1]));
+        $source3 = new FullPersonNameSource();
+        $source3->getMemberships()->add($source2);
+        $this->source->getMemberships()->add($source3);
+        $this->assertEquals(3, $this->sourceMembershipInformation->getAllMemberships()->count());
+    }
+
+    public function testRecursion(): void
+    {
+        $recursiveSource = new UserSource();
+        $recursiveSource->getMemberships()->add($this->source);
+        $this->source->getMemberships()->add($recursiveSource);
+        $this->assertEquals(2, $this->sourceMembershipInformation->getAllMemberships()->count());
+    }
+}