Create CodeQuoter

Author: henriquemoody

src/Quoters/CodeQuoter.php

@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of Respect/Stringifier.
+ *
+ * (c) Henrique Moody <[email protected]>
+ *
+ * For the full copyright and license information, please view the "LICENSE.md"
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Stringifier\Quoters;
+
+use Respect\Stringifier\Quoter;
+
+/**
+ * Add "`" quotes around a string depending on its level.
+ *
+ * @author Henrique Moody <[email protected]>
+ */
+final class CodeQuoter implements Quoter
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function quote(string $string, int $depth): string
+    {
+        if (0 === $depth) {
+            return sprintf('`%s`', $string);
+        }
+
+        return $string;
+    }
+}

tests/unit/Quoters/CodeQuoterTest.php

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+<?php
+
+/*
+ * This file is part of Respect/Stringifier.
+ *
+ * (c) Henrique Moody <[email protected]>
+ *
+ * For the full copyright and license information, please view the "LICENSE.md"
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Stringifier\Test\Quoters;
+
+use PHPUnit\Framework\TestCase;
+use Respect\Stringifier\Quoters\CodeQuoter;
+
+/**
+ * @covers \Respect\Stringifier\Quoters\CodeQuoter
+ *
+ * @author Henrique Moody <[email protected]>
+ */
+final class CodeQuoterTest extends TestCase
+{
+    /**
+     * @test
+     */
+    public function shouldQuoteStringWhenInZeroDepth(): void
+    {
+        $quoter = new CodeQuoter();
+
+        $expectedValue = '`code`';
+        $actualValue = $quoter->quote('code', 0);
+
+        self::assertSame($expectedValue, $actualValue);
+    }
+
+    /**
+     * @test
+     */
+    public function shouldNotQuoteStringDepthIsBiggerThanZero(): void
+    {
+        $quoter = new CodeQuoter();
+
+        $expectedValue = 'code';
+        $actualValue = $quoter->quote('code', 1);
+
+        self::assertSame($expectedValue, $actualValue);
+    }
+}