new_contents: # -*- coding: utf-8 -*-
  # The MIT License (MIT)
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  # Copyright (c) 2018, TU Wien
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  '''
  Tests for grid generation
  '''
  
  from ecmwf_models.grid import ERA_RegularImgGrid, get_grid_resolution
  import numpy as np
  
  def test_regular_grid():
      reg_grid = ERA_RegularImgGrid(0.3, 0.3)
      assert np.unique(reg_grid.activearrlat).size == 601
      assert np.unique(reg_grid.activearrlon).size == 1200
      assert get_grid_resolution(reg_grid.activearrlat,
                                 reg_grid.activearrlon) == (0.3, 0.3)
  
  
  
subject: add tests for grid functions