Mercurial > hg > GlobalNeighbors
annotate tests/test_grid.py @ 3:49aae0c0293b
improved test coverage
| author | Jeff Hammel <k0scist@gmail.com> |
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| date | Sat, 24 Jun 2017 14:48:31 -0700 |
| parents | 1b94f3bf97e5 |
| children | 7e27e874655b |
| rev | line source |
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1 #!/usr/bin/env python |
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2 |
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3 """ |
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4 test that we can grid a solution |
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5 """ |
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6 |
| 1 | 7 import os |
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8 import unittest |
| 1 | 9 from common import datafile |
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10 from globalneighbors.grid import LatLonGrid |
| 1 | 11 from globalneighbors.locations import locations |
| 12 from globalneighbors.read import read_city_list | |
| 13 | |
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14 |
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15 class TestGrid(unittest.TestCase): |
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16 """test gridding functionality""" |
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17 |
| 1 | 18 ### test functions |
| 19 | |
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20 def test_dimensions(self): |
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21 |
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22 # make a 2 degree grid |
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23 grid = LatLonGrid(90, 180) |
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24 assert grid.n == (90, 180) |
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25 assert grid.d == (2., 2.) |
| 1 | 26 assert len(grid.grid) == 90 |
| 27 for row in grid.grid: | |
| 28 assert len(row) == 180 | |
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29 |
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30 def test_insertion(self): |
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31 |
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32 coord = (-23., 122.) |
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33 grid = LatLonGrid(3, 4) |
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34 grid.add(1234, *coord) |
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35 i, j = grid.index(*coord) |
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36 assert i == 1 |
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37 assert j == 3 |
| 1 | 38 assert grid[(i,j)] == set([1234]) |
| 39 | |
| 40 def test_sample(self): | |
| 41 | |
| 42 samplefile = datafile('sample.tsv') | |
| 43 assert os.path.exists(samplefile) | |
| 44 city_locations = locations(read_city_list(samplefile)) | |
| 45 self.grid_locations(city_locations) | |
| 46 | |
| 47 ### generic (utility) functions | |
| 48 | |
| 49 def grid_locations(self, locations): | |
| 50 """grid locations + test created grid""" | |
| 51 | |
| 3 | 52 # create a grid |
| 1 | 53 grid = LatLonGrid(8, 8) |
| 3 | 54 |
| 55 # add the items to it | |
| 1 | 56 for geoid, (lat, lon) in locations.items(): |
| 57 grid.add(geoid, lat, lon) | |
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58 |
| 3 | 59 # iterate over the grid |
| 60 n_locations = 0 | |
| 61 for i in range(grid.n[0]): | |
| 62 for j in range(grid.n[1]): | |
| 63 n_locations += len(grid[(i,j)]) | |
| 64 assert n_locations == len(locations) | |
| 65 | |
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5dba84370182
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Jeff Hammel <k0scist@gmail.com>
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66 if __name__ == '__main__': |
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67 unittest.main() |