[CLEANUP] Reformat the code with the PER-2 configuration

Also switch a test string from heredoc to a string literal
to avoid the string from getting indented.

Author: oliverklee

src/RuleSet/DeclarationBlock.php

@@ -221,29 +221,29 @@ public function addRule(Rule $ruleToAdd, ?Rule $sibling = null): void
     }
 
     /**
-     * @see RuleSet::getRules()
-     *
      * @return array<int<0, max>, Rule>
+     *
+     * @see RuleSet::getRules()
      */
     public function getRules(?string $searchPattern = null): array
     {
         return $this->ruleSet->getRules($searchPattern);
     }
 
     /**
-     * @see RuleSet::setRules()
-     *
      * @param array<Rule> $rules
+     *
+     * @see RuleSet::setRules()
      */
     public function setRules(array $rules): void
     {
         $this->ruleSet->setRules($rules);
     }
 
     /**
-     * @see RuleSet::getRulesAssoc()
-     *
      * @return array<string, Rule>
+     *
+     * @see RuleSet::getRulesAssoc()
      */
     public function getRulesAssoc(?string $searchPattern = null): array
     {

tests/Comment/CommentTest.php

@@ -19,7 +19,8 @@ final class CommentTest extends TestCase
     public function keepCommentsInOutput(): void
     {
         $cssDocument = TestsParserTest::parsedStructureForFile('comments');
-        self::assertSame('/** Number 11 **/
+        self::assertSame(
+            '/** Number 11 **/
 
 /**
  * Comments
@@ -43,7 +44,9 @@ public function keepCommentsInOutput(): void
 		position: absolute;
 	}
 }
-', $cssDocument->render(OutputFormat::createPretty()));
+',
+            $cssDocument->render(OutputFormat::createPretty())
+        );
         self::assertSame(
             '/** Number 11 **//**' . "\n"
             . ' * Comments' . "\n"
@@ -61,7 +64,8 @@ public function keepCommentsInOutput(): void
     public function stripCommentsFromOutput(): void
     {
         $css = TestsParserTest::parsedStructureForFile('comments');
-        self::assertSame('
+        self::assertSame(
+            '
 @import url("some/url.css") screen;
 
 .foo, #bar {
@@ -73,7 +77,9 @@ public function stripCommentsFromOutput(): void
 		position: absolute;
 	}
 }
-', $css->render(OutputFormat::createPretty()->setRenderComments(false)));
+',
+            $css->render(OutputFormat::createPretty()->setRenderComments(false))
+        );
         self::assertSame(
             '@import url("some/url.css") screen;'
             . '.foo,#bar{background-color:#000}'

tests/OutputFormatTest.php

@@ -16,21 +16,19 @@
 final class OutputFormatTest extends TestCase
 {
     private const TEST_CSS = <<<EOT
-
-.main, .test {
-	font: italic normal bold 16px/1.2 "Helvetica", Verdana, sans-serif;
-	background: white;
-}
-
-@media screen {
-	.main {
-		background-size: 100% 100%;
-		font-size: 1.3em;
-		background-color: #fff;
-	}
-}
-
-EOT;
+                      .main, .test {
+                      	font: italic normal bold 16px/1.2 "Helvetica", Verdana, sans-serif;
+                      	background: white;
+                      }
+
+                      @media screen {
+                      	.main {
+                      		background-size: 100% 100%;
+                      		font-size: 1.3em;
+                      		background-color: #fff;
+                      	}
+                      }
+                      EOT;
 
     /**
      * @var Parser
@@ -184,15 +182,18 @@ public function spaceRules(): void
             ->setSpaceBetweenRules("\n")
             ->setSpaceAfterRules("\n");
 
-        self::assertSame('.main, .test {
+        self::assertSame(
+            '.main, .test {
 	font: italic normal bold 16px/1.2 "Helvetica",Verdana,sans-serif;
 	background: white;
 }
 @media screen {.main {
 		background-size: 100% 100%;
 		font-size: 1.3em;
 		background-color: #fff;
-	}}', $this->document->render($outputFormat));
+	}}',
+            $this->document->render($outputFormat)
+        );
     }
 
     /**
@@ -205,12 +206,15 @@ public function spaceBlocks(): void
             ->setSpaceBetweenBlocks("\n")
             ->setSpaceAfterBlocks("\n");
 
-        self::assertSame('
+        self::assertSame(
+            '
 .main, .test {font: italic normal bold 16px/1.2 "Helvetica",Verdana,sans-serif;background: white;}
 @media screen {
 	.main {background-size: 100% 100%;font-size: 1.3em;background-color: #fff;}
 }
-', $this->document->render($outputFormat));
+',
+            $this->document->render($outputFormat)
+        );
     }
 
     /**
@@ -226,7 +230,8 @@ public function spaceBoth(): void
             ->setSpaceBetweenBlocks("\n")
             ->setSpaceAfterBlocks("\n");
 
-        self::assertSame('
+        self::assertSame(
+            '
 .main, .test {
 	font: italic normal bold 16px/1.2 "Helvetica",Verdana,sans-serif;
 	background: white;
@@ -238,7 +243,9 @@ public function spaceBoth(): void
 		background-color: #fff;
 	}
 }
-', $this->document->render($outputFormat));
+',
+            $this->document->render($outputFormat)
+        );
     }
 
     /**
@@ -270,7 +277,8 @@ public function indentation(): void
             ->setSpaceAfterBlocks("\n")
             ->setIndentation('');
 
-        self::assertSame('
+        self::assertSame(
+            '
 .main, .test {
 font: italic normal bold 16px/1.2 "Helvetica",Verdana,sans-serif;
 background: white;
@@ -282,7 +290,9 @@ public function indentation(): void
 background-color: #fff;
 }
 }
-', $this->document->render($outputFormat));
+',
+            $this->document->render($outputFormat)
+        );
     }
 
     /**