Mercurial > hg > GlobalNeighbors

annotate tests/test_grid.py @ 5:7e27e874655b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
test a larger grid + move distance insertion to its own function
author Jeff Hammel <k0scist@gmail.com>
date Sat, 24 Jun 2017 15:16:10 -0700
parents 49aae0c0293b
children 254195d0bac2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
1 #!/usr/bin/env python
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
2
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
3 """
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
4 test that we can grid a solution
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
5 """
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
6
1
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
7 import os
0
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
8 import unittest
1
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
9 from common import datafile
0
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
10 from globalneighbors.grid import LatLonGrid
1
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
11 from globalneighbors.locations import locations
5
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
12 from globalneighbors.read import read_cities
1
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
13 from globalneighbors.read import read_city_list
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
14
0
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
15
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
16 class TestGrid(unittest.TestCase):
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
17 """test gridding functionality"""
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
18
1
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
19 ### test functions
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
20
0
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
21 def test_dimensions(self):
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
22
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
23 # make a 2 degree grid
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
24 grid = LatLonGrid(90, 180)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
25 assert grid.n == (90, 180)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
26 assert grid.d == (2., 2.)
1
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
27 assert len(grid.grid) == 90
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
28 for row in grid.grid:
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
29 assert len(row) == 180
0
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
30
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
31 def test_insertion(self):
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
32
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
33 coord = (-23., 122.)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
34 grid = LatLonGrid(3, 4)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
35 grid.add(1234, *coord)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
36 i, j = grid.index(*coord)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
37 assert i == 1
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
38 assert j == 3
1
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
39 assert grid[(i,j)] == set([1234])
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
40
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
41 def test_sample(self):
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
42
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
43 samplefile = datafile('sample.tsv')
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
44 assert os.path.exists(samplefile)
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
45 city_locations = locations(read_city_list(samplefile))
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
46 self.grid_locations(city_locations)
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
47
5
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
48 def test_10000(self):
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
49 """test 10000 cities"""
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
50
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
51 filename = datafile('10000cities.tsv')
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
52 assert os.path.exists(filename)
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
53 with open(filename) as f:
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
54 city_locations = locations(read_cities(f))
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
55 self.grid_locations(city_locations)
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
56
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
57
1
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
58 ### generic (utility) functions
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
59
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
60 def grid_locations(self, locations):
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
61 """grid locations + test created grid"""
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
62
3
49aae0c0293b improved test coverage
Jeff Hammel <k0scist@gmail.com>
parents: 1
diff changeset
63 # create a grid
1
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
64 grid = LatLonGrid(8, 8)
3
49aae0c0293b improved test coverage
Jeff Hammel <k0scist@gmail.com>
parents: 1
diff changeset
65
49aae0c0293b improved test coverage
Jeff Hammel <k0scist@gmail.com>
parents: 1
diff changeset
66 # add the items to it
1
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
67 for geoid, (lat, lon) in locations.items():
1b94f3bf97e5 * limit distance function
Jeff Hammel <k0scist@gmail.com>
parents: 0
diff changeset
68 grid.add(geoid, lat, lon)
0
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
69
3
49aae0c0293b improved test coverage
Jeff Hammel <k0scist@gmail.com>
parents: 1
diff changeset
70 # iterate over the grid
49aae0c0293b improved test coverage
Jeff Hammel <k0scist@gmail.com>
parents: 1
diff changeset
71 n_locations = 0
49aae0c0293b improved test coverage
Jeff Hammel <k0scist@gmail.com>
parents: 1
diff changeset
72 for i in range(grid.n[0]):
49aae0c0293b improved test coverage
Jeff Hammel <k0scist@gmail.com>
parents: 1
diff changeset
73 for j in range(grid.n[1]):
49aae0c0293b improved test coverage
Jeff Hammel <k0scist@gmail.com>
parents: 1
diff changeset
74 n_locations += len(grid[(i,j)])
49aae0c0293b improved test coverage
Jeff Hammel <k0scist@gmail.com>
parents: 1
diff changeset
75 assert n_locations == len(locations)
49aae0c0293b improved test coverage
Jeff Hammel <k0scist@gmail.com>
parents: 1
diff changeset
76
5
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
77
7e27e874655b test a larger grid + move distance insertion to its own function
Jeff Hammel <k0scist@gmail.com>
parents: 3
diff changeset
78
0
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
79 if __name__ == '__main__':
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
80 unittest.main()