add more unit tests and normalize the "__toString" methods v2

src/DocBlock/Tags/Covers.php

@@ -49,7 +49,7 @@ final class Covers extends BaseTag implements Factory\StaticMethod
         ?FqsenResolver $resolver = null,
         ?TypeContext $context = null
     ) : self {
-        Assert::notEmpty($body);
+        Assert::stringNotEmpty($body);
         Assert::notNull($descriptionFactory);
         Assert::notNull($resolver);
 

src/DocBlock/Tags/Example.php

@@ -45,9 +45,14 @@ final class Example implements Tag, Factory\StaticMethod
     /** @var string|null */
     private $content;
 
-    public function __construct(string $filePath, bool $isURI, int $startingLine, int $lineCount, ?string $content)
-    {
-        Assert::notEmpty($filePath);
+    public function __construct(
+        string $filePath,
+        bool $isURI,
+        int $startingLine,
+        int $lineCount,
+        ?string $content
+    ) {
+        Assert::stringNotEmpty($filePath);
         Assert::greaterThanEq($startingLine, 1);
         Assert::greaterThanEq($lineCount, 0);
 
@@ -64,7 +69,7 @@ final class Example implements Tag, Factory\StaticMethod
     public function getContent() : string
     {
         if ($this->content === null || $this->content === '') {
-            $filePath = '"' . $this->filePath . '"';
+            $filePath = $this->filePath;
             if ($this->isURI) {
                 $filePath = $this->isUriRelative($this->filePath)
                     ? str_replace('%2F', '/', rawurlencode($this->filePath))
@@ -85,7 +90,7 @@ final class Example implements Tag, Factory\StaticMethod
     public static function create(string $body) : ?Tag
     {
         // File component: File path in quotes or File URI / Source information
-        if (!preg_match('/^(?:\"([^\"]+)\"|(\S+))(?:\s+(.*))?$/sux', $body, $matches)) {
+        if (!preg_match('/^\s*(?:(\"[^\"]+\")|(\S+))(?:\s+(.*))?$/sux', $body, $matches)) {
             return null;
         }
 
@@ -134,7 +139,7 @@ final class Example implements Tag, Factory\StaticMethod
      */
     public function getFilePath() : string
     {
-        return $this->filePath;
+        return trim($this->filePath, '"');
     }
 
     /**
@@ -143,9 +148,15 @@ final class Example implements Tag, Factory\StaticMethod
     public function __toString() : string
     {
         $filePath = (string) $this->filePath;
+        $isDefaultLine = $this->startingLine === 1 && $this->lineCount === 0;
+        $startingLine = !$isDefaultLine ? (string) $this->startingLine : '';
+        $lineCount = !$isDefaultLine ? (string) $this->lineCount : '';
         $content = (string) $this->content;
 
-        return $filePath . ($content !== '' ? ($filePath !== '' ? ' ' : '') . $content : '');
+        return $filePath
+            . ($startingLine !== '' ? ($filePath !== '' ? ' ' : '') . $startingLine : '')
+            . ($lineCount !== '' ? ($filePath !== '' || $startingLine !== '' ? ' ' : '') . $lineCount : '')
+            . ($content !== '' ? ($filePath !== '' || $startingLine !== '' || $lineCount !== '' ? ' ' : '') . $content : '');
     }
 
     /**

tests/unit/DocBlock/Tags/ExampleTest.php

@@ -93,6 +93,52 @@ class ExampleTest extends TestCase
         $this->assertEquals(5, $tag->getLineCount());
     }
 
+    /**
+     * @covers ::create
+     * @covers ::__toString
+     */
+    public function testStringRepresentationIsReturned() : void
+    {
+        $tag = Example::create('"example1.php" 10 5 test text');
+
+        $this->assertSame('"example1.php" 10 5 test text', (string) $tag);
+
+        // ---
+
+        $tag = Example::create('file://example1.php');
+
+        $this->assertSame('file://example1.php', (string) $tag);
+
+        // ---
+
+        $tag = Example::create('0 foo bar');
+
+        $this->assertSame('0 foo bar', (string) $tag);
+
+        // ---
+
+        $tag = Example::create('$redisCluster->pttl(\'key\');');
+
+        $this->assertSame('$redisCluster->pttl(\'key\');', (string) $tag);
+
+        // ---
+
+        $tag = Example::create(' "example1.php" 10 5 test text ');
+
+        $this->assertSame('"example1.php" 10 5 test text', (string) $tag);
+    }
+
+    /**
+     * @covers ::create
+     * @covers ::__toString
+     */
+    public function testStringRepresentationIsReturnedWithoutDescription() : void
+    {
+        $tag = Example::create('');
+
+        $this->assertSame('', (string) $tag);
+    }
+
     /**
      * @uses \phpDocumentor\Reflection\DocBlock\Tags\BaseTag
      *