Improve test coverage

Makefile

@@ -30,7 +30,7 @@ psalm:
 .PHONY: test
 test:
 	docker run -it --rm -v${CURDIR}:/github/workspace phpdoc/phpunit-ga
-	docker run -it --rm -v${CURDIR}:/data -w /data php:7.2 -f ./tests/coverage-checker.php 89
+	docker run -it --rm -v${CURDIR}:/data -w /data php:7.2 -f ./tests/coverage-checker.php 90
 
 .PHONY: pre-commit-test
 pre-commit-test: test phpcs phpstan psalm

src/DocBlock/Tags/Example.php

@@ -48,7 +48,7 @@ final class Example implements Tag, Factory\StaticMethod
     public function __construct(string $filePath, bool $isURI, int $startingLine, int $lineCount, ?string $content)
     {
         Assert::notEmpty($filePath);
-        Assert::greaterThanEq($startingLine, 0);
+        Assert::greaterThanEq($startingLine, 1);
         Assert::greaterThanEq($lineCount, 0);
 
         $this->filePath     = $filePath;
@@ -63,7 +63,7 @@ final class Example implements Tag, Factory\StaticMethod
 
     public function getContent() : string
     {
-        if ($this->content === null) {
+        if ($this->content === null || $this->content === '') {
             $filePath = '"' . $this->filePath . '"';
             if ($this->isURI) {
                 $filePath = $this->isUriRelative($this->filePath)
@@ -107,7 +107,7 @@ final class Example implements Tag, Factory\StaticMethod
             // Starting line / Number of lines / Description
             if (preg_match('/^([1-9]\d*)(?:\s+((?1))\s*)?(.*)$/sux', $matches[3], $contentMatches)) {
                 $startingLine = (int) $contentMatches[1];
-                if (isset($contentMatches[2]) && $contentMatches[2] !== '') {
+                if (isset($contentMatches[2])) {
                     $lineCount = (int) $contentMatches[2];
                 }
 

tests/unit/DocBlock/Tags/AuthorTest.php

@@ -133,14 +133,40 @@ class AuthorTest extends TestCase
      * @uses \phpDocumentor\Reflection\DocBlock\Tags\Author::<public>
      *
      * @covers ::create
+     * @dataProvider authorTagProvider
      */
-    public function testFactoryMethod() : void
+    public function testFactoryMethod(string $input, string $output, string $name, string $email) : void
     {
-        $fixture = Author::create('Mike van Riel <[email protected]>');
+        $fixture = Author::create($input);
 
-        $this->assertSame('Mike van Riel <[email protected]>', (string) $fixture);
-        $this->assertSame('Mike van Riel', $fixture->getAuthorName());
-        $this->assertSame('[email protected]', $fixture->getEmail());
+        $this->assertSame($output, (string) $fixture);
+        $this->assertSame($name, $fixture->getAuthorName());
+        $this->assertSame($email, $fixture->getEmail());
+    }
+
+    /** @return mixed[][] */
+    public function authorTagProvider() : array
+    {
+        return [
+            [
+                'Mike van Riel <[email protected]>',
+                'Mike van Riel <[email protected]>',
+                'Mike van Riel',
+                '[email protected]',
+            ],
+            [
+                'Mike van Riel < [email protected] >',
+                'Mike van Riel <[email protected]>',
+                'Mike van Riel',
+                '[email protected]',
+            ],
+            [
+                'Mike van Riel',
+                'Mike van Riel',
+                'Mike van Riel',
+                '',
+            ],
+        ];
     }
 
     /**

tests/unit/DocBlock/Tags/ExampleTest.php

@@ -4,25 +4,18 @@ declare(strict_types=1);
 
 namespace DocBlock\Tags;
 
-use Mockery as m;
+use InvalidArgumentException;
 use phpDocumentor\Reflection\DocBlock\Tags\Example;
 use PHPUnit\Framework\TestCase;
 
 /**
  * @coversDefaultClass \phpDocumentor\Reflection\DocBlock\Tags\Example
+ * @covers ::<private>
  */
 class ExampleTest extends TestCase
 {
     /**
-     * Call Mockery::close after each test.
-     */
-    public function tearDown() : void
-    {
-        m::close();
-    }
-
-    /**
-     * @uses phpDocumentor\Reflection\DocBlock\Tags\BaseTag
+     * @uses \phpDocumentor\Reflection\DocBlock\Tags\BaseTag
      *
      * @covers ::create
      * @covers ::__construct
@@ -37,7 +30,7 @@ class ExampleTest extends TestCase
     }
 
     /**
-     * @uses phpDocumentor\Reflection\DocBlock\Tags\BaseTag
+     * @uses \phpDocumentor\Reflection\DocBlock\Tags\BaseTag
      *
      * @covers ::create
      * @covers ::__construct
@@ -52,7 +45,7 @@ class ExampleTest extends TestCase
     }
 
     /**
-     * @uses phpDocumentor\Reflection\DocBlock\Tags\BaseTag
+     * @uses \phpDocumentor\Reflection\DocBlock\Tags\BaseTag
      *
      * @covers ::create
      * @covers ::__construct
@@ -67,7 +60,7 @@ class ExampleTest extends TestCase
     }
 
     /**
-     * @uses phpDocumentor\Reflection\DocBlock\Tags\BaseTag
+     * @uses \phpDocumentor\Reflection\DocBlock\Tags\BaseTag
      *
      * @covers ::create
      * @covers ::__construct
@@ -84,7 +77,7 @@ class ExampleTest extends TestCase
     }
 
     /**
-     * @uses phpDocumentor\Reflection\DocBlock\Tags\BaseTag
+     * @uses \phpDocumentor\Reflection\DocBlock\Tags\BaseTag
      *
      * @covers ::create
      * @covers ::__construct
@@ -101,21 +94,149 @@ class ExampleTest extends TestCase
     }
 
     /**
-     * @uses phpDocumentor\Reflection\DocBlock\Tags\BaseTag
+     * @uses \phpDocumentor\Reflection\DocBlock\Tags\BaseTag
      *
+     * @dataProvider tagContentProvider
      * @covers ::create
      * @covers ::__construct
      * @covers ::getFilePath
      * @covers ::getStartingLine
      * @covers ::getLineCount
      * @covers ::getDescription
+     * @covers ::getContent
      */
-    public function testFullExample() : void
+    public function testFactoryMethod(
+        string $input,
+        string $filePath,
+        int $startLine,
+        int $lineCount,
+        ?string $description,
+        string $content
+    ) : void {
+        $tag = Example::create($input);
+        $this->assertSame($filePath, $tag->getFilePath());
+        $this->assertSame($startLine, $tag->getStartingLine());
+        $this->assertSame($lineCount, $tag->getLineCount());
+        $this->assertSame($description, $tag->getDescription());
+        $this->assertSame($content, $tag->getContent());
+    }
+
+    /** @return mixed[][] */
+    public function tagContentProvider() : array
     {
-        $tag = Example::create('"example1.php" 10 5 test text');
-        $this->assertEquals('example1.php', $tag->getFilePath());
-        $this->assertEquals(10, $tag->getStartingLine());
-        $this->assertEquals(5, $tag->getLineCount());
-        $this->assertEquals('test text', $tag->getDescription());
+        return [
+            [
+                '"example1.php" 10 5 test text ',
+                'example1.php',
+                10,
+                5,
+                'test text',
+                'test text',
+            ],
+            [
+                'example1.php 10 5 test text',
+                'example1.php',
+                10,
+                5,
+                'test text',
+                'test text',
+            ],
+            [
+                'example1.php 1 10 test text',
+                'example1.php',
+                1,
+                10,
+                'test text',
+                'test text',
+            ],
+            [
+                'example1.php',
+                'example1.php',
+                1,
+                0,
+                null,
+                'example1.php',
+            ],
+            [
+                'file://example1.php ',
+                'file://example1.php',
+                1,
+                0,
+                '',
+                'file://example1.php',
+            ],
+            [
+                '/example1.php',
+                '/example1.php',
+                1,
+                0,
+                null,
+                '/example1.php',
+            ],
+        ];
+    }
+
+    /**
+     * @dataProvider invalidExampleProvider
+     * @covers ::__construct
+     */
+    public function testValidatesArguments(
+        string $filePath,
+        bool $isUrl,
+        int $startLine,
+        int $lineCount,
+        string $description
+    ) : void {
+        $this->expectException(InvalidArgumentException::class);
+
+        new Example(
+            $filePath,
+            $isUrl,
+            $startLine,
+            $lineCount,
+            $description
+        );
+    }
+
+    /** @return mixed[][] */
+    public function invalidExampleProvider() : array
+    {
+        return [
+            'invalid start' => [
+                '/some/path',
+                false,
+                -1,
+                0,
+                'text',
+            ],
+            'invalid start 2' => [
+                '/some/path',
+                false,
+                -10,
+                0,
+                'text',
+            ],
+            'invalid length' => [
+                '/some/path',
+                false,
+                1,
+                -1,
+                'text',
+            ],
+            'invalid length 2' => [
+                '/some/path',
+                false,
+                1,
+                -10,
+                'text',
+            ],
+            'empty filepath' => [
+                '',
+                false,
+                1,
+                0,
+                'text',
+            ],
+        ];
     }
 }