[1794] | 1 | #!/usr/bin/env python |
---|
| 2 | |
---|
| 3 | import unittest |
---|
| 4 | |
---|
| 5 | |
---|
| 6 | import ermapper_grids |
---|
| 7 | import Numeric |
---|
[1802] | 8 | from os import remove |
---|
[1794] | 9 | |
---|
| 10 | class Test_ERMapper(unittest.TestCase): |
---|
| 11 | def setUp(self): |
---|
| 12 | pass |
---|
| 13 | |
---|
| 14 | def tearDown(self): |
---|
| 15 | pass |
---|
| 16 | |
---|
[1813] | 17 | def test_write_grid(self): |
---|
| 18 | header_filename = 'test_write_ermapper_grid.ers' |
---|
| 19 | data_filename = 'test_write_ermapper_grid' |
---|
| 20 | |
---|
| 21 | original_grid = Numeric.array([[0.0, 0.1, 1.0], [2.0, 3.0, 4.0]]) |
---|
| 22 | |
---|
| 23 | # Check that the function works when passing the filename without |
---|
| 24 | # a '.ers' extension |
---|
| 25 | ermapper_grids.write_ermapper_grid(data_filename, original_grid) |
---|
| 26 | new_grid = ermapper_grids.read_ermapper_grid(data_filename) |
---|
| 27 | assert Numeric.allclose(original_grid, new_grid) |
---|
| 28 | |
---|
| 29 | # Check that the function works when passing the filename with |
---|
| 30 | # a '.ers' extension |
---|
| 31 | ermapper_grids.write_ermapper_grid(header_filename, original_grid) |
---|
| 32 | new_grid = ermapper_grids.read_ermapper_grid(header_filename) |
---|
| 33 | assert Numeric.allclose(original_grid, new_grid) |
---|
| 34 | |
---|
| 35 | # Clean up created files |
---|
| 36 | remove(data_filename) |
---|
| 37 | remove(header_filename) |
---|
| 38 | |
---|
[1794] | 39 | def test_basic_single_line_grid(self): |
---|
| 40 | # Setup test data |
---|
| 41 | filename = 'test_write_ermapper_grid' |
---|
| 42 | original_grid = Numeric.array([0.0, 0.1, 1.0, 2.0, 3.0, 4.0]) |
---|
| 43 | |
---|
| 44 | # Write test data |
---|
| 45 | ermapper_grids.write_ermapper_data(original_grid, filename, Numeric.Float64) |
---|
| 46 | |
---|
| 47 | # Read in the test data |
---|
| 48 | new_grid = ermapper_grids.read_ermapper_data(filename, Numeric.Float64) |
---|
| 49 | |
---|
| 50 | # Check that the test data that has been read in matches the original data |
---|
| 51 | assert Numeric.allclose(original_grid, new_grid) |
---|
| 52 | |
---|
[1802] | 53 | # Clean up created files |
---|
| 54 | remove(filename) |
---|
| 55 | |
---|
[1794] | 56 | def test_basic_single_line_grid_default_format(self): |
---|
| 57 | # Setup test data |
---|
| 58 | filename = 'test_write_ermapper_grid' |
---|
| 59 | original_grid = Numeric.array([0.0, 0.1, 1.0, 2.0, 3.0, 4.0]) |
---|
| 60 | |
---|
| 61 | # Write test data |
---|
| 62 | ermapper_grids.write_ermapper_data(original_grid, filename) |
---|
| 63 | |
---|
| 64 | # Read in the test data |
---|
| 65 | new_grid = ermapper_grids.read_ermapper_data(filename) |
---|
| 66 | |
---|
| 67 | # Check that the test data that has been read in matches the original data |
---|
| 68 | assert Numeric.allclose(original_grid, new_grid) |
---|
| 69 | |
---|
[1802] | 70 | # Clean up created files |
---|
| 71 | remove(filename) |
---|
| 72 | |
---|
[1794] | 73 | def test_write_default_header(self): |
---|
[1802] | 74 | data_filename = 'test_write_ermapper_grid' |
---|
[1794] | 75 | |
---|
| 76 | # setup test data |
---|
| 77 | original_grid = Numeric.array([[0, 1, 2, 3], [4, 5, 6, 7], [8, 9, 10, 11]]) |
---|
| 78 | # Write test data |
---|
[1802] | 79 | ermapper_grids.write_ermapper_data(original_grid, data_filename) |
---|
[1813] | 80 | # Write test header using all default values |
---|
[1802] | 81 | header_filename = data_filename + '.ers' |
---|
| 82 | ermapper_grids.write_ermapper_header(header_filename) |
---|
[1794] | 83 | |
---|
[1813] | 84 | # Check that the read in values match the default values |
---|
| 85 | header = ermapper_grids.read_ermapper_header(header_filename) |
---|
| 86 | |
---|
| 87 | assert header['datum'] == '"GDA94"' |
---|
| 88 | assert header['projection'] == '"GEOGRAPHIC"' |
---|
| 89 | assert header['coordinatetype'] == 'LL' |
---|
| 90 | assert header['rotation'] == '0:0:0.0' |
---|
| 91 | assert header['celltype'] == 'IEEE4ByteReal' |
---|
| 92 | assert header['nullcellvalue'] == '-99999' |
---|
| 93 | assert header['xdimension'] == '100' |
---|
| 94 | assert header['registrationcellx'] == '0' |
---|
| 95 | assert header['ydimension'] == '100' |
---|
| 96 | assert header['registrationcelly'] == '2' |
---|
| 97 | assert header['nroflines'] == '3' |
---|
| 98 | assert header['nrofcellsperline'] == '4' |
---|
| 99 | assert header['longitude'] == '0:0:0' |
---|
| 100 | assert header['latitude'] == '0:0:0' |
---|
| 101 | assert header['nrofbands'] == '1' |
---|
| 102 | assert header['value'] == '"Default_Band"' |
---|
| 103 | |
---|
[1802] | 104 | # Clean up created files |
---|
| 105 | remove(data_filename) |
---|
| 106 | remove(header_filename) |
---|
[1813] | 107 | |
---|
| 108 | def test_header_creation(self): |
---|
| 109 | header = {} |
---|
| 110 | # have some values that aren't defaults |
---|
| 111 | header['nroflines'] = '2' |
---|
| 112 | header['nrofcellsperline'] = '3' |
---|
[1802] | 113 | |
---|
[1813] | 114 | header = ermapper_grids.create_default_header(header) |
---|
| 115 | |
---|
| 116 | |
---|
| 117 | # default values |
---|
| 118 | assert header['datum'] == '"GDA94"' |
---|
| 119 | assert header['projection'] == '"GEOGRAPHIC"' |
---|
| 120 | assert header['coordinatetype'] == 'LL' |
---|
| 121 | assert header['rotation'] == '0:0:0.0' |
---|
| 122 | assert header['celltype'] == 'IEEE4ByteReal' |
---|
| 123 | assert header['nullcellvalue'] == '-99999' |
---|
| 124 | assert header['xdimension'] == '100' |
---|
| 125 | assert header['registrationcellx'] == '0' |
---|
| 126 | assert header['ydimension'] == '100' |
---|
| 127 | assert header['longitude'] == '0:0:0' |
---|
| 128 | assert header['latitude'] == '0:0:0' |
---|
| 129 | assert header['nrofbands'] == '1' |
---|
| 130 | assert header['value'] == '"Default_Band"' |
---|
| 131 | |
---|
| 132 | # non-default values |
---|
| 133 | assert header['nroflines'] == '2' |
---|
| 134 | assert header['nrofcellsperline'] == '3' |
---|
| 135 | assert header['registrationcelly'] == '1' |
---|
| 136 | |
---|
| 137 | |
---|
| 138 | def test_write_non_default_header(self): |
---|
| 139 | header_filename = 'test_write_ermapper_grid.ers' |
---|
| 140 | |
---|
| 141 | # setup test data |
---|
| 142 | header = {} |
---|
| 143 | # have some values that aren't defaults |
---|
| 144 | header['nroflines'] = '2' |
---|
| 145 | header['nrofcellsperline'] = '3' |
---|
| 146 | |
---|
| 147 | # Write test header using non-default values |
---|
| 148 | ermapper_grids.write_ermapper_header(header_filename, header) |
---|
| 149 | |
---|
| 150 | # Check that the read in values match the default values |
---|
| 151 | header = ermapper_grids.read_ermapper_header(header_filename) |
---|
| 152 | |
---|
| 153 | # default values |
---|
| 154 | assert header['datum'] == '"GDA94"' |
---|
| 155 | assert header['projection'] == '"GEOGRAPHIC"' |
---|
| 156 | assert header['coordinatetype'] == 'LL' |
---|
| 157 | assert header['rotation'] == '0:0:0.0' |
---|
| 158 | assert header['celltype'] == 'IEEE4ByteReal' |
---|
| 159 | assert header['nullcellvalue'] == '-99999' |
---|
| 160 | assert header['xdimension'] == '100' |
---|
| 161 | assert header['registrationcellx'] == '0' |
---|
| 162 | assert header['ydimension'] == '100' |
---|
| 163 | assert header['longitude'] == '0:0:0' |
---|
| 164 | assert header['latitude'] == '0:0:0' |
---|
| 165 | assert header['nrofbands'] == '1' |
---|
| 166 | assert header['value'] == '"Default_Band"' |
---|
| 167 | |
---|
| 168 | # non-default values |
---|
| 169 | assert header['nroflines'] == '2' |
---|
| 170 | assert header['nrofcellsperline'] == '3' |
---|
| 171 | assert header['registrationcelly'] == '1' |
---|
| 172 | |
---|
| 173 | # Clean up created files |
---|
| 174 | remove(header_filename) |
---|
| 175 | |
---|
| 176 | |
---|
[1794] | 177 | # def test_default_filenames |
---|
| 178 | # def test_write_header |
---|
| 179 | # def test_multi_band_grid |
---|
| 180 | |
---|
| 181 | |
---|
| 182 | #------------------------------------------------------------- |
---|
| 183 | if __name__ == "__main__": |
---|
| 184 | suite = unittest.makeSuite(Test_ERMapper,'test') |
---|
| 185 | runner = unittest.TextTestRunner() |
---|
| 186 | runner.run(suite) |
---|
| 187 | |
---|
| 188 | |
---|
| 189 | |
---|
| 190 | |
---|