chore: add license blocks, add unit test for numeric ID generator

models/classes/IdentifierGenerator/Generator/IdentifierGeneratorInterface.php

@@ -1,5 +1,25 @@
 <?php
 
+/**
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; under version 2
+ * of the License (non-upgradable).
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright (c) 2024 (original work) Open Assessment Technologies SA.
+ */
+
+declare(strict_types=1);
+
 namespace oat\tao\model\IdentifierGenerator\Generator;
 
 interface IdentifierGeneratorInterface

models/classes/IdentifierGenerator/Generator/IdentifierGeneratorProxy.php

@@ -1,5 +1,25 @@
 <?php
 
+/**
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; under version 2
+ * of the License (non-upgradable).
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright (c) 2024 (original work) Open Assessment Technologies SA.
+ */
+
+declare(strict_types=1);
+
 namespace oat\tao\model\IdentifierGenerator\Generator;
 
 use core_kernel_classes_Resource;

models/classes/IdentifierGenerator/Generator/NumericIdentifierGenerator.php

@@ -1,5 +1,25 @@
 <?php
 
+/**
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; under version 2
+ * of the License (non-upgradable).
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright (c) 2024 (original work) Open Assessment Technologies SA.
+ */
+
+declare(strict_types=1);
+
 namespace oat\tao\model\IdentifierGenerator\Generator;
 
 class NumericIdentifierGenerator implements IdentifierGeneratorInterface

test/unit/models/classes/IdentifierGenerator/Generator/NumericIdentifierGeneratorTest.php

@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; under version 2
+ * of the License (non-upgradable).
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright (c) 2024 (original work) Open Assessment Technologies SA.
+ */
+
+declare(strict_types=1);
+
+namespace oat\tao\test\unit\models\classes\IdentifierGenerator\Generator;
+
+use oat\tao\model\IdentifierGenerator\Generator\NumericIdentifierGenerator;
+use PHPUnit\Framework\TestCase;
+
+class NumericIdentifierGeneratorTest extends TestCase
+{
+    public function testGenerate(): void
+    {
+        $generator = new NumericIdentifierGenerator();
+        $identifier = $generator->generate();
+
+        $this->assertIsString($identifier);
+        $this->assertEquals(9, strlen($identifier));
+        $this->assertIsNumeric($identifier);
+    }
+}