Fix 90, 180 and 270 degrees rotation transformations.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/converter/tests/test_transformations.py

@@ -6,8 +6,9 @@ from documents.tests import GenericDocumentTestCase
 
 from ..models import Transformation
 from ..transformations import (
-    BaseTransformation, TransformationCrop, TransformationResize,
-    TransformationRotate, TransformationZoom
+    BaseTransformation, TransformationCrop, TransformationLineArt,
+    TransformationResize, TransformationRotate, TransformationRotate90,
+    TransformationRotate180, TransformationRotate270, TransformationZoom
 )
 
 from .literals import (
@@ -154,3 +155,37 @@ class TransformationTestCase(GenericDocumentTestCase):
         )
 
         self.assertTrue(document_page.generate_image().startswith('page'))
+
+    def test_lineart_transformations(self):
+        document_page = self.document.pages.first()
+
+        Transformation.objects.add_for_model(
+            obj=document_page, transformation=TransformationLineArt,
+            arguments={}
+        )
+
+        self.assertTrue(document_page.generate_image().startswith('page'))
+
+    def test_rotate_transformations(self):
+        document_page = self.document.pages.first()
+
+        Transformation.objects.add_for_model(
+            obj=document_page, transformation=TransformationRotate90,
+            arguments={}
+        )
+
+        self.assertTrue(document_page.generate_image().startswith('page'))
+
+        Transformation.objects.add_for_model(
+            obj=document_page, transformation=TransformationRotate180,
+            arguments={}
+        )
+
+        self.assertTrue(document_page.generate_image().startswith('page'))
+
+        Transformation.objects.add_for_model(
+            obj=document_page, transformation=TransformationRotate270,
+            arguments={}
+        )
+
+        self.assertTrue(document_page.generate_image().startswith('page'))

mayan/apps/converter/transformations.py

@@ -210,8 +210,9 @@ class TransformationRotate(BaseTransformation):
         if self.degrees == 0:
             return self.image
 
-        if self.fillcolor:
-            fillcolor = ImageColor.getrgb(self.fillcolor)
+        fillcolor_value = getattr(self, 'fillcolor', None)
+        if fillcolor_value:
+            fillcolor = ImageColor.getrgb(fillcolor_value)
         else:
             fillcolor = None