Create ConfigWriter test

.gitignore

@@ -5,3 +5,4 @@ vendor/
 config/*.local.php
 data
 bin/rr
+test-resources/config/params/generated-in-test.php

CHANGELOG.md

@@ -17,7 +17,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com), and this
 * *Nothing*
 
 ### Removed
-* *Nothing*
+* Remove dependency on `laminas/laminas-config`.
 
 ### Fixed
 * *Nothing*

src/Util/ConfigWriter.php

@@ -17,6 +17,7 @@ class ConfigWriter implements ConfigWriterInterface
     /* Shlink config generated by shlink-installer */
     
     return %s;
+    
     TEMPLATE;
 
 

test/Util/ConfigWriterTest.php

@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ShlinkioTest\Shlink\Installer\Util;
+
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\TestWith;
+use PHPUnit\Framework\TestCase;
+use Shlinkio\Shlink\Installer\Util\ConfigWriter;
+
+use function unlink;
+
+class ConfigWriterTest extends TestCase
+{
+    private const FILENAME = __DIR__ . '/../../test-resources/config/params/generated-in-test.php';
+
+    private ConfigWriter $configWriter;
+
+    protected function setUp(): void
+    {
+        $this->configWriter = new ConfigWriter();
+    }
+
+    public static function tearDownAfterClass(): void
+    {
+        unlink(self::FILENAME);
+    }
+
+    #[Test]
+    #[TestWith([[
+        'foo' => 'foo',
+        'bar' => 'bar',
+        'baz' => 'baz',
+    ]])]
+    #[TestWith([[
+        'foo' => null,
+        'bar' => 123,
+        'baz' => true,
+    ]])]
+    public function configIsExportedAndWrittenToFile(array $config): void
+    {
+        $this->configWriter->toFile(self::FILENAME, $config);
+
+        self::assertFileExists(self::FILENAME);
+        self::assertEquals($config, require self::FILENAME);
+    }
+}