diff --git a/src/Pdf.php b/src/Pdf.php
index 087feb8..c178604 100644
--- a/src/Pdf.php
+++ b/src/Pdf.php
@@ -115,6 +115,14 @@ public function getPages()
         return $this->pages;
     }
 
+    private function checkFolderIfExists($target)
+    {
+        $folder = dirname($target);
+        if (!empty($folder) && $folder !== '.' && !file_exists($folder)) {
+            mkdir($folder);
+        }
+    }
+
     /**
      * Merge all added pages in the object into a single output file.
      *
@@ -124,6 +132,11 @@ public function getPages()
      */
     public function merge($target)
     {
+        if (empty($target)) {
+            return false;
+        }
+        $this->checkFolderIfExists($target);
+
         $cmd = $this->getCommand();
         $cmd->addArg('--empty', null, false);
         $cmd->addArg('--pages', $this->pages);
@@ -148,6 +161,11 @@ public function split($target, $pagesPerGroup=1)
             throw new \Exception("Error! Currently unable to split when more than one PDF file is specified.");
         }
 
+        if (empty($target)) {
+            return false;
+        }
+        $this->checkFolderIfExists($target);
+
         $cmd = $this->getCommand();
         $cmd->addArg('--split-pages=', $pagesPerGroup, false);
         $cmd->addArg('', $this->pages, false);
@@ -180,6 +198,11 @@ public function rotate($target, $direction='+90', $pageString=null)
             throw new \Exception("Error! Currently unable to rotate when more than one PDF file is specified.");
         }
 
+        if (empty($target)) {
+            return false;
+        }
+        $this->checkFolderIfExists($target);
+
         $cmd = $this->getCommand();
         $cmd->addArg('--rotate=', $rotationCmd, false);
         $cmd->addArg('', $this->pages, false);
diff --git a/tests/PdfTest.php b/tests/PdfTest.php
index d000126..b76ccce 100644
--- a/tests/PdfTest.php
+++ b/tests/PdfTest.php
@@ -7,10 +7,20 @@
 
 class PdfTest extends TestCase
 {
+    private function getCmdLocation()
+    {
+        if (getenv('GITHUB_ACTIONS') || PHP_OS === 'Linux') {
+            // Use location binary to run against
+            return __DIR__ . '/bin/qpdf';
+        } else {
+            // Default: we expect it installed (and in PATH)
+            return 'qpdf';
+        }
+    }
 
     public function testGetVersion()
     {
-        $pdf = new Pdf();
+        $pdf = new Pdf(null, ['command' => $this->getCmdLocation()]);
         $version = $pdf->getVersion();
 
         // Test it works
@@ -22,34 +32,45 @@ public function testGetVersion()
 
     public function testMerge()
     {
-        $pdf = new Pdf();
+        $pdf = new Pdf(null, ['command' => $this->getCmdLocation()]);
+
         $pdf->addPage(__DIR__ . "/files/TestPdf.pdf");
         $pdf->addPage(__DIR__ . "/files/TestPdf2.pdf");
-        $pdf->merge(__DIR__ . "/output/test-merge.pdf");
+
+        $result = $pdf->merge(__DIR__ . "/output/test-merge.pdf");
+        $this->assertTrue($result);
         $this->assertEmpty($pdf->getError());
     }
 
     public function testSplit()
     {
-        $pdf = new Pdf();
+        $pdf = new Pdf(null, ['command' => $this->getCmdLocation()]);
+
         $pdf->addPage(__DIR__ . "/files/TestPdfTwoPage.pdf");
-        $pdf->split(__DIR__."/output/test-split.pdf");
+
+        $result = $pdf->split(__DIR__."/output/test-split.pdf");
+        $this->assertTrue($result);
         $this->assertEmpty($pdf->getError());
     }
 
     public function testRotate()
     {
-        $pdf = new Pdf();
+        $pdf = new Pdf(null, ['command' => $this->getCmdLocation()]);
+
         $pdf->addPage(__DIR__ . "/files/TestPdfTwoPage.pdf");
-        $pdf->rotate(__DIR__ . "/output/rotated.pdf", "+90", "1");
+
+        $result = $pdf->rotate(__DIR__ . "/output/rotated.pdf", "+90", "1");
+        $this->assertTrue($result);
         $this->assertEmpty($pdf->getError());
     }
 
     public function testGetPageCount()
     {
-        $pdf = new Pdf();
+        $pdf = new Pdf(null, ['command' => $this->getCmdLocation()]);
+
         $pdf->addPage(__DIR__ . "/files/TestPdfTwoPage.pdf");
         $pdf->addPage(__DIR__ . "/files/TestPdf.pdf");
+
         $count = $pdf->getPageCount();
         $this->assertEmpty($pdf->getError());
         $this->assertEquals(3, $count);
@@ -57,7 +78,7 @@ public function testGetPageCount()
 
     public function testEnsureErrorWithMultiFileRotate()
     {
-        $pdf = new Pdf();
+        $pdf = new Pdf(null, ['command' => $this->getCmdLocation()]);
         $pdf->addPage(__DIR__ . "/files/TestPdfTwoPage.pdf");
         $pdf->addPage(__DIR__ . "/files/TestPdf.pdf");
         $this->expectExceptionMessage('Error! Currently unable to rotate when more than one PDF file is specified.');
diff --git a/tests/bin/qpdf b/tests/bin/qpdf
new file mode 100755
index 0000000..1410c6d
Binary files /dev/null and b/tests/bin/qpdf differ