fix transcription interface tests

tests/test_transcribe.py

@@ -8,6 +8,7 @@
 from lxml import etree
 from PIL import Image
 
+from kraken import containers
 from kraken.transcribe import TranscriptionInterface
 
 thisfile = Path(__file__).resolve().parent
@@ -18,16 +19,25 @@ class TestTranscriptionInterface(unittest.TestCase):
     """
     Test of the transcription interface generation
     """
+    def setUp(self):
+        with open(resources /'records.json', 'r') as fp:
+            self.box_records = [containers.BBoxOCRRecord(**x) for x in json.load(fp)]
+
+        self.box_segmentation = containers.Segmentation(type='bbox',
+                                                        imagename='foo.png',
+                                                        text_direction='horizontal-lr',
+                                                        lines=self.box_records,
+                                                        script_detection=True,
+                                                        regions={})
+
+        self.im = Image.open(resources / 'input.jpg')
 
     def test_transcription_generation(self):
         """
         Tests creation of transcription interfaces with segmentation.
         """
         tr = TranscriptionInterface()
-        with open(resources / 'segmentation.json') as fp:
-            seg = json.load(fp)
-        with Image.open(resources / 'input.jpg') as im:
-            tr.add_page(im, seg)
+        tr.add_page(im = self.im, segmentation=self.box_segmentation)
         fp = BytesIO()
         tr.write(fp)
         # this will not throw an exception ever so we need a better validator