#!/usr/bin/env python

import unittest
import os

from argaze.ArUcoMarkers import ArUcoBoard, ArUcoMarkersDictionary

import numpy

class TestArUcoBoardClass(unittest.TestCase):
    """Test ArUcoBoard class."""

    def test_new_from_dictionary_string(self):
        """Test ArUcoBoard creation using a dictionary string."""

        # Check ArUco board creation
        columns = 4
        rows = 3
        square_size = 2 
        marker_size = 1

        aruco_board = ArUcoBoard.ArUcoBoard(columns, rows, square_size, marker_size, 'DICT_ARUCO_ORIGINAL')

        # Check ArUco board
        self.assertIsNone(numpy.testing.assert_array_equal(aruco_board.identifiers, [i for i in range(int((columns*rows)/2))]))
        self.assertIsNone(numpy.testing.assert_array_equal(aruco_board.size, [columns, rows]))
        self.assertEqual(aruco_board.markers_number, int((columns*rows)/2))
        self.assertEqual(aruco_board.corners_number, (columns-1)*(rows-1))

    def test_new_from_dictionary_instance(self):
        """Test ArUcoBoard creation using a dictionary instance."""

        # Check ArUco board creation
        aruco_dictionary = ArUcoMarkersDictionary.ArUcoMarkersDictionary('DICT_ARUCO_ORIGINAL')
        aruco_board = ArUcoBoard.ArUcoBoard(4, 3, 2, 1, aruco_dictionary)

        # Check ArUco board dictionary name
        self.assertEqual(aruco_board.dictionary.name, 'DICT_ARUCO_ORIGINAL')

    def test_new_with_no_dictionary(self):
        """Test ArUcoBoard creation using a dictionary instance."""

        # Check ArUco board creation
        aruco_board = ArUcoBoard.ArUcoBoard(4, 3, 2, 1)

        # Check ArUco board dictionary name
        self.assertEqual(aruco_board.dictionary.name, 'DICT_ARUCO_ORIGINAL')

if __name__ == '__main__':

    unittest.main()