[TASK] Implement CSSString::getArrayRepresentation() (#1459)

Part of #1440.

Author: oliverklee

src/Value/CSSString.php

@@ -9,6 +9,7 @@
 use Sabberworm\CSS\Parsing\SourceException;
 use Sabberworm\CSS\Parsing\UnexpectedEOFException;
 use Sabberworm\CSS\Parsing\UnexpectedTokenException;
+use Sabberworm\CSS\ShortClassNameProvider;
 
 use function Safe\preg_match;
 
@@ -19,6 +20,8 @@
  */
 class CSSString extends PrimitiveValue
 {
+    use ShortClassNameProvider;
+
     /**
      * @var string
      */
@@ -94,4 +97,18 @@ public function render(OutputFormat $outputFormat): string
         $string = \str_replace("\n", '\\A', $string);
         return $outputFormat->getStringQuotingType() . $string . $outputFormat->getStringQuotingType();
     }
+
+    /**
+     * @return array<string, bool|int|float|string|list<array<string, mixed>>>
+     *
+     * @internal
+     */
+    public function getArrayRepresentation(): array
+    {
+        return [
+            'class' => $this->getShortClassName(),
+            // We're using the term "contents" here to make the difference to the class more clear.
+            'contents' => $this->string,
+        ];
+    }
 }

tests/Unit/Value/CSSStringTest.php

@@ -84,12 +84,27 @@ public function getLineNumberReturnsLineNumberProvidedToConstructor(): void
     /**
      * @test
      */
-    public function getArrayRepresentationThrowsException(): void
+    public function getArrayRepresentationIncludesClassName(): void
     {
-        $this->expectException(\BadMethodCallException::class);
-
         $subject = new CSSString('');
 
-        $subject->getArrayRepresentation();
+        $result = $subject->getArrayRepresentation();
+
+        self::assertArrayHasKey('class', $result);
+        self::assertSame('CSSString', $result['class']);
+    }
+
+    /**
+     * @test
+     */
+    public function getArrayRepresentationIncludesContents(): void
+    {
+        $contents = 'What is love?';
+        $subject = new CSSString($contents);
+
+        $result = $subject->getArrayRepresentation();
+
+        self::assertArrayHasKey('contents', $result);
+        self::assertSame($contents, $result['contents']);
     }
 }