old_contents: # -*- coding: utf-8 -*-
  # The MIT License (MIT)
  #
  # Copyright (c) 2018, TU Wien
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in all
  # copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  """
  Tests for grid generation
  """
  
  from ecmwf_models.grid import ERA_RegularImgGrid, get_grid_resolution, \
      ERA_IrregularImgGrid, ERA5_RegularImgLandGrid
  import numpy as np
  
  def test_ERA_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)
  
  def test_ERA_irregular_grid():
      # we test this with a regular grid, because it's easier
      lon = np.arange(0, 360 - 1. / 2, 1.)
      lat = np.arange(90, -1 * 90 - 1. / 2, -1 * 1.)
      lons, lats = np.meshgrid(lon, lat)
  
      grid = ERA_IrregularImgGrid(lons, lats)
  
      assert grid == ERA_RegularImgGrid(1.,1.)
  
  def test_ERA5_landgrid_025():
      grid = ERA5_RegularImgLandGrid(0.25, 0.25) # 0.25*0.25
      assert grid.get_grid_points()[0].size == 244450
      assert grid.find_nearest_gpi(16.375, 48.125)[0] == 240545
      assert grid.gpi2cell(240545) == 1431
  
  
  def test_ERA5_landgrid_01():
      grid = ERA5_RegularImgLandGrid(0.1, 0.1) # 0.1*0.1
      assert grid.get_grid_points()[0].size == 1544191
      assert grid.find_nearest_gpi(16.375, 48.125)[0] == 1508564
      np.testing.assert_almost_equal(grid.gpi2lonlat(1508564)[0], 16.4)
      np.testing.assert_almost_equal(grid.gpi2lonlat(1508564)[1], 48.1)
      assert grid.gpi2cell(1508564) == 1431
new_contents: # -*- coding: utf-8 -*-
  # The MIT License (MIT)
  #
  # Copyright (c) 2018, TU Wien
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in all
  # copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  """
  Tests for grid generation
  """
  
  from ecmwf_models.grid import (
      ERA_RegularImgGrid,
      get_grid_resolution,
      ERA_IrregularImgGrid,
      ERA5_RegularImgLandGrid,
  )
  import numpy as np
  
  
  def test_ERA_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,
      )
  
  
  def test_ERA_irregular_grid():
      # we test this with a regular grid, because it's easier
      lon = np.arange(0, 360 - 1.0 / 2, 1.0)
      lat = np.arange(90, -1 * 90 - 1.0 / 2, -1 * 1.0)
      lons, lats = np.meshgrid(lon, lat)
  
      grid = ERA_IrregularImgGrid(lons, lats)
  
      assert grid == ERA_RegularImgGrid(1.0, 1.0)
  
  
  def test_ERA5_landgrid_025():
      grid = ERA5_RegularImgLandGrid(0.25, 0.25)  # 0.25*0.25
      assert grid.get_grid_points()[0].size == 244450
      assert grid.find_nearest_gpi(16.25, 48.25) == (240545, 0.0)
      assert grid.gpi2cell(240545) == 1431
  
  
  def test_ERA5_landgrid_01():
      grid = ERA5_RegularImgLandGrid(0.1, 0.1)  # 0.1*0.1
      assert grid.get_grid_points()[0].size == 1544191
      assert grid.find_nearest_gpi(16.4, 48.1) == (1508564, 0.0)
      np.testing.assert_almost_equal(grid.gpi2lonlat(1508564)[0], 16.4)
      np.testing.assert_almost_equal(grid.gpi2lonlat(1508564)[1], 48.1)
      assert grid.gpi2cell(1508564) == 1431
  
subject: Fix NN GPI lookup in tests