Fix test_init_full box.train file_type (#388)

FAILED tests/test_api.py::TestTessBaseApi::test_init_full - AssertionError: '.bl' != '.tif'

And don't assume box.train is available in tessdata.

Author: cjmayo

MANIFEST.in

@@ -3,7 +3,7 @@ include LICENSE
 include tesserocr/*.pyx
 include tesserocr/*.pxd
 include tesserocr/*.pyi
-include tests/*.py tests/*.png
+include tests/*.py tests/*.png tests/*.train
 exclude tesserocr/*.cpp
 exclude tesserocr/*.so
 exclude *.so

tests/box.train

@@ -0,0 +1,12 @@
+disable_character_fragments T
+file_type                   .bl
+textord_fast_pitch_test	T
+tessedit_zero_rejection T
+tessedit_minimal_rejection F
+tessedit_write_rep_codes F
+edges_children_fix F
+edges_childarea 0.65
+edges_boxarea 0.9
+tessedit_resegment_from_boxes T
+tessedit_train_from_boxes T
+textord_no_rejects T

tests/test_api.py

@@ -48,6 +48,7 @@ def version_to_int(version):
 class TestTessBaseApi(unittest.TestCase):
 
     _test_dir = os.path.abspath(os.path.dirname(__file__))
+    _config_file = os.path.join(_test_dir, "box.train")
     _image_file = os.path.join(_test_dir, "eurotext.png")
 
     def setUp(self):
@@ -77,13 +78,13 @@ def test_init_full(self):
         self.assertEqual(self._api.GetVariableAsString("file_type"), ".tif")
         self.assertEqual(self._api.GetVariableAsString("edges_childarea"), "0.5")
         # use box.train config variables
-        configs = ["box.train"]
+        configs = [self._config_file]
         # change edges_childarea
         vars_ = {"edges_childarea": "0.7"}
         self._api.End()
         self._api.InitFull(configs=configs, variables=vars_)
         # assert file_type from box.train and custom edges_childarea
-        self.assertEqual(self._api.GetVariableAsString("file_type"), ".tif")
+        self.assertEqual(self._api.GetVariableAsString("file_type"), ".bl")
         self.assertEqual(self._api.GetVariableAsString("edges_childarea"), "0.7")
         # reset back to default
         self._api.End()