Tries to extract parameters from part description and comment.

tests/Services/Parameters/ParameterExtractorTest.php

@@ -0,0 +1,75 @@
+<?php
+/**
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ * Copyright (C) 2019 - 2020 Jan Böhmer (https://github.com/jbtronics)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Tests\Services\Parameters;
+
+use App\Entity\Parameters\AbstractParameter;
+use App\Services\Parameters\ParameterExtractor;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+class ParameterExtractorTest extends WebTestCase
+{
+
+    protected $service;
+
+    public function setUp(): void
+    {
+        parent::setUp();
+        //Get an service instance.
+        self::bootKernel();
+        $this->service = self::$container->get(ParameterExtractor::class);
+    }
+
+    public function emptyDataProvider(): array
+    {
+        return [
+            [""],
+            ["      "],
+            ["\t\n"],
+            [":;"],
+            ["NPN Transistor"],
+            ["=BC547 rewr"],
+            ["<i>For good</i>, [b]bad[/b], evil"],
+            ["Param:; Test"]
+        ];
+    }
+
+    /**
+     * @dataProvider emptyDataProvider
+     */
+    public function testShouldReturnEmpty(string $input)
+    {
+        $this->assertEmpty($this->service->extractParameters($input));
+    }
+
+    public function testExtract()
+    {
+        $parameters = $this->service->extractParameters(' Operating Voltage:  10 V; Property : Value, Ström=1A (Test)');
+        $this->assertContainsOnly(AbstractParameter::class, $parameters);
+        $this->assertCount(3, $parameters);
+        $this->assertSame('Operating Voltage', $parameters[0]->getName());
+        $this->assertSame('10 V', $parameters[0]->getValueText());
+        $this->assertSame('Property', $parameters[1]->getName());
+        $this->assertSame('Value', $parameters[1]->getValueText());
+        $this->assertSame('Ström', $parameters[2]->getName());
+        $this->assertSame('1A (Test)', $parameters[2]->getValueText());
+
+    }
+}