test: getmerged, invalid image file

naomai · Aug 4, 2024 · 0f3c2f3 · 0f3c2f3
1 parent 8c0f4bc
commit 0f3c2f3
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Showing 2 changed files with 69 additions and 22 deletions.
diff --git a/tests/TestImages/GarbageBytes.dat b/tests/TestImages/GarbageBytes.dat
diff --git a/tests/Unit/ImageTest.php b/tests/Unit/ImageTest.php
@@ -11,9 +11,6 @@
  * @covers Naomai\PHPLayers\Image
  */
 final class ImageTest extends TestCase {
-
-
-
     public function testCreateFromGD() : void {
         $gdSource = imagecreatetruecolor(50, 60);
         imagefill($gdSource, 0, 0, 0xFF0000);
@@ -35,6 +32,13 @@ function() {
                 Image::createFromFile(__DIR__ . "/../TestImages/NonExistingImage.png");
             }
         );
+
+        $this->assertCallableThrows(
+            \RuntimeException::class, 
+            function() {
+                Image::createFromFile(__DIR__ . "/../TestImages/GarbageBytes.dat");
+            }
+        );
     }
 
     public function testGetLayerCount() : void {
@@ -80,8 +84,7 @@ public function testNewLayer() : void {
         $layer = $testImg->newLayer();
         $layersCountAfter = $testImg->getLayerCount();
 
-        $this->assertSame(1, $layersCountBefore);
-        $this->assertSame(2, $layersCountAfter);
+        $this->assertSame($layersCountBefore+1, $layersCountAfter);
 
         $layerStack = $testImg->getLayerStack();
         $newLayerIndex = $layerStack->getIndexOf($layer);
@@ -141,26 +144,42 @@ public function testReorder() {
         $this->assertSame(1, $fgPosition);
     }
 
-    public function testGetDataUrlPNG() {
-        $testImg = static::createEmptyImage();
-        $dataUrl = $testImg->getDataUrlPNG();
+    public function testGetMerged(){
+        $testImg = static::createTwoLayerImage();
+        $mergedLayer = $testImg->getMerged();
 
-        $this->assertStringStartsWith("data:", $dataUrl);
-        $this->assertStringContainsString("image/png", $dataUrl);
+        $this->assertTrue($mergedLayer instanceof \Naomai\PHPLayers\Layer);
+
+        //The original layer set is left intact.
+        $layerCount = $testImg->getLayerCount();
+        $this->assertEquals(2, $layerCount);
+
+        //The new layer is not attached to the image
+        $mergedLayerIndexInStack = $testImg->getLayerStack()->getIndexOf($mergedLayer);
+        $this->assertFalse($mergedLayerIndexInStack);
+
+        //image without layers should also produce a result
+        $nullImg = new Image(50, 80, false);
+        $mergedLayer = $nullImg->getMerged();
+        $this->assertTrue($mergedLayer instanceof \Naomai\PHPLayers\Layer);
 
-        $imageData = file_get_contents($dataUrl);
-        $this->assertValidImageData($imageData);
     }
 
-    public function testGetDataUrlJPEG() {
-        $testImg = static::createEmptyImage();
-        $dataUrl = $testImg->getDataUrlJPEG();
+    public function testGetMergedGD(){
+        $testImg = static::createTwoLayerImage();
+        $mergedGD = $testImg->getMergedGD();
 
-        $this->assertStringStartsWith("data:", $dataUrl);
-        $this->assertStringContainsString("image/jpeg", $dataUrl);
+        $this->assertTrue($mergedGD instanceof \GdImage);
+
+        //The original layer set is left intact.
+        $layerCount = $testImg->getLayerCount();
+        $this->assertEquals(2, $layerCount);
+
+        //image without layers should also produce a result
+        $nullImg = new Image(50, 80, false);
+        $mergedGD = $nullImg->getMergedGD();
+        $this->assertTrue($mergedGD instanceof \GdImage);
 
-        $imageData = file_get_contents($dataUrl);
-        $this->assertValidImageData($imageData);
     }
 
     public function testGetComposer() {
@@ -186,6 +205,37 @@ public function testSetComposer() {
         $this->assertSame($composerMock, $composer);
     }
 
+    public function testExport(){
+        $testImg = static::createEmptyImage();
+        $exporter = $testImg->export();
+        $this->assertTrue(
+            $exporter instanceof \Naomai\PHPLayers\Helpers\ImageExporter
+        );
+    }
+
+    /* TODO delegate to ImageExporterTest */
+    public function testGetDataUrlPNG() {
+        $testImg = static::createEmptyImage();
+        $dataUrl = $testImg->getDataUrlPNG();
+
+        $this->assertStringStartsWith("data:", $dataUrl);
+        $this->assertStringContainsString("image/png", $dataUrl);
+
+        $imageData = file_get_contents($dataUrl);
+        $this->assertValidImageData($imageData);
+    }
+
+    public function testGetDataUrlJPEG() {
+        $testImg = static::createEmptyImage();
+        $dataUrl = $testImg->getDataUrlJPEG();
+
+        $this->assertStringStartsWith("data:", $dataUrl);
+        $this->assertStringContainsString("image/jpeg", $dataUrl);
+
+        $imageData = file_get_contents($dataUrl);
+        $this->assertValidImageData($imageData);
+    }
+
 
     public function testConstructWithInvalidDimensions() : void {
         $this->assertCallableThrows(
@@ -211,9 +261,6 @@ public function testConstructWithInvalidDimensions() : void {
         );
     }
 
-
-
-
     private static function createEmptyImage() : Image {
         $testImg = new Image(200, 100);
         return $testImg;