message: test: Add test to verify correct mat substitution into the  template in header parser
diff: @@ -4,8 +4,22 @@ from __future__ import print_function
  import numpy as np
  import cv2 as cv
  +import os
  +
  from tests_common import NewOpenCVTests
  +
  +def load_exposure_seq(path):
  + images = []
  + times = []
  + with open(os.path.join(path, 'list.txt'), 'r') as list_file:
  + for line in list_file.readlines():
  + name, time = line.split()
  + images.append(cv.imread(os.path.join(path, name)))
  + times.append(1. / float(time))
  + return images, times
  +
  +
  class UMat(NewOpenCVTests):
  def test_umat_construct(self):
  @@ -82,5 +96,22 @@ class UMat(NewOpenCVTests):
  # for data, data_umat in zip(p1_mask_err, p1_mask_err_umat):
  # self.assertTrue(np.allclose(data, data_umat))
  + def test_umat_merge_mertens(self):
  + if self.extraTestDataPath is None:
  + self.fail('Test data is not available')
  +
  + test_data_path = os.path.join(self.extraTestDataPath, 'cv', 'hdr')
  +
  + images, _ = load_exposure_seq(os.path.join(test_data_path, 'exposures'))
  +
  + merge = cv.createMergeMertens()
  + mat_result = merge.process(images)
  +
  + umat_images = [cv.UMat(img) for img in images]
  + umat_result = merge.process(umat_images)
  +
  + self.assertTrue(np.allclose(umat_result.get(), mat_result))
  +
  +
  if __name__ == '__main__':
  NewOpenCVTests.bootstrap()
  