Add unsupported image file format loading test.

Author: mfl28

src/main/java/com/github/mfl28/boundingboxeditor/model/data/ImageMetaData.java

@@ -36,7 +36,7 @@ public class ImageMetaData {
     private static final List<String> supportedImageFormats = List.of("jpeg", "bmp", "png");
     private static final String NOT_AN_IMAGE_FILE_ERROR_MESSAGE = "Not an image file.";
     private static final String UNSUPPORTED_IMAGE_FORMAT_ERROR_MESSAGE = "Unsupported image file format.";
-    private static final String INVALID_OR_UNSUPPORTED_IMAGE_ERROR_MESSAGE = "Invalid or unsupported image file.";
+    private static final String INVALID_IMAGE_FILE_ERROR_MESSAGE = "Invalid image file.";
     private final String fileName;
     private ImageMetaDataDetails details;
 
@@ -171,7 +171,7 @@ private static ImageDimensions readImageDimensionsFromFile(File imageFile) throw
                     reader.dispose();
                 }
             } else {
-                throw new UnsupportedImageFileException(INVALID_OR_UNSUPPORTED_IMAGE_ERROR_MESSAGE);
+                throw new UnsupportedImageFileException(INVALID_IMAGE_FILE_ERROR_MESSAGE);
             }
         }
 

src/test/java/com/github/mfl28/boundingboxeditor/ui/BoundingBoxDrawingTests.java

@@ -183,7 +183,7 @@ void onOpeningNewImageFolder_WhenBoundingBoxesExist_ShouldResetCorrectly(FxRobot
         final Stage errorReportStage = timeOutGetTopModalStage(robot, "Image loading error report", testinfo);
         verifyThat(errorReportStage, Matchers.notNullValue(), saveScreenshot(testinfo));
 
-        final String errorReportDialogContentReferenceText = "1 image file could not be loaded.";
+        final String errorReportDialogContentReferenceText = "2 image files could not be loaded.";
         final DialogPane errorReportDialog = (DialogPane) errorReportStage.getScene().getRoot();
         verifyThat(errorReportDialog.getContentText(), Matchers.equalTo(errorReportDialogContentReferenceText),
                    saveScreenshot(testinfo));
@@ -202,12 +202,15 @@ void onOpeningNewImageFolder_WhenBoundingBoxesExist_ShouldResetCorrectly(FxRobot
 
         final List<IOErrorInfoEntry> errorInfoEntries = errorInfoTable.getItems();
 
-        verifyThat(errorInfoEntries, Matchers.hasSize(1), saveScreenshot(testinfo));
+        verifyThat(errorInfoEntries, Matchers.hasSize(2), saveScreenshot(testinfo));
 
-        final IOErrorInfoEntry referenceErrorInfoEntry1 = new IOErrorInfoEntry("no_image_file.txt",
-                                                                               "Invalid or unsupported image file.");
+        final IOErrorInfoEntry referenceErrorInfoEntry1 = new IOErrorInfoEntry("cameraman.tif",
+                                                                               "Unsupported image file format.");
+        final IOErrorInfoEntry referenceErrorInfoEntry2 = new IOErrorInfoEntry("no_image_file.txt",
+                                                                               "Invalid image file.");
 
-        verifyThat(errorInfoEntries, Matchers.contains(referenceErrorInfoEntry1), saveScreenshot(testinfo));
+        verifyThat(errorInfoEntries, Matchers.contains(referenceErrorInfoEntry1, referenceErrorInfoEntry2),
+                   saveScreenshot(testinfo));
 
         timeOutClickOnButtonInDialogStage(robot, errorReportStage, ButtonType.OK, testinfo);
         WaitForAsyncUtils.waitForFxEvents();