# coding: utf-8
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"""
Tests that the functions of tomography are valid
"""

__authors__ = ["H. Payno"]
__license__ = "MIT"
__date__ = "12/09/2017"

import unittest
import numpy
from silx.test.utils import utilstest
from silx.image import tomography

class TestTomography(unittest.TestCase):
    """

    """

    def setUp(self):
        self.sinoTrueData = numpy.load(utilstest.getfile("sino500.npz"))["data"]

    def testCalcCenterCentroid(self):
        centerTD = tomography.calc_center_centroid(self.sinoTrueData)
        self.assertTrue(numpy.isclose(centerTD, 256, rtol=0.01))

    def testCalcCenterCorr(self):
        centerTrueData = tomography.calc_center_corr(self.sinoTrueData,
                                                     fullrot=False,
                                                     props=1)
        self.assertTrue(numpy.isclose(centerTrueData, 256, rtol=0.01))
