def test_mdi_larger(self):
# Check that everything still works if the compressed data are
# *larger* than the original data.
data = np.arange(12, dtype=np.float32).reshape(3, 4) + 5
data[data % 2 == 0] = 666
with self.assertRaises(ValueError):
compress_rle(data, missing_data_indicator=666)
def _test(self, original, rows, cols):
compressed_data = compress_rle(original, missing_data_indicator=MDI)
result = decompress_rle(compressed_data,
rows,
cols,
missing_data_indicator=MDI)
assert_array_equal(result, original)
def test_mdi(self):
data = np.arange(12, dtype=np.float32).reshape(3, 4) + 5
data[1, 1:] = 999
compressed_data = compress_rle(data, missing_data_indicator=999)
expected = np.array([5, 6, 7, 8, 9, 999, 3, 13, 14, 15, 16],
dtype='f4')
expected.byteswap(True)
self.assertEqual(compressed_data, expected.data)
def test_no_mdi(self):
data = np.arange(42, dtype=np.float32).reshape(7, 6)
compressed_data = compress_rle(data)
expected = np.arange(42, dtype='f4')
expected.byteswap(True)
self.assertEqual(compressed_data, expected.data)
def _test(self, original, rows, cols):
compressed_data = compress_rle(original, missing_data_indicator=MDI)
result = decompress_rle(compressed_data, rows, cols,
missing_data_indicator=MDI)
assert_array_equal(result, original)