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):
# The input to decompress_rle must be big-endian 32-bit floats.
src_floats = np.arange(11, dtype='>f4')
src_floats[5] = 666
src_floats[6] = 3
src_buffer = src_floats.data
result = decompress_rle(src_buffer, 3, 4, missing_data_indicator=666)
assert_array_equal(result,
[[0, 1, 2, 3], [4, 666, 666, 666], [7, 8, 9, 10]])
def test_mdi(self):
# The input to decompress_rle must be big-endian 32-bit floats.
src_floats = np.arange(11, dtype='>f4')
src_floats[5] = 666
src_floats[6] = 3
src_buffer = src_floats.data
result = decompress_rle(src_buffer, 3, 4, missing_data_indicator=666)
assert_array_equal(result, [[0, 1, 2, 3],
[4, 666, 666, 666],
[7, 8, 9, 10]])
def test_too_much_source_data(self):
src_buffer = np.arange(10, dtype='>f4').data
with self.assertRaises(ValueError):
decompress_rle(src_buffer, 2, 3)
def test_not_enough_source_data(self):
src_buffer = np.arange(4, dtype='>f4').data
with self.assertRaises(ValueError):
decompress_rle(src_buffer, 5, 6)
def test_no_mdi(self):
# The input to decompress_rle must be big-endian 32-bit floats.
src_buffer = np.arange(12, dtype='>f4').data
result = decompress_rle(src_buffer, 3, 4)
assert_array_equal(result, np.arange(12).reshape(3, 4))
self.assertEqual(result.dtype, '=f4')
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_too_much_source_data(self):
src_buffer = np.arange(10, dtype='>f4').data
with self.assertRaises(ValueError):
decompress_rle(src_buffer, 2, 3)
def test_not_enough_source_data(self):
src_buffer = np.arange(4, dtype='>f4').data
with self.assertRaises(ValueError):
decompress_rle(src_buffer, 5, 6)
def test_no_mdi(self):
# The input to decompress_rle must be big-endian 32-bit floats.
src_buffer = np.arange(12, dtype='>f4').data
result = decompress_rle(src_buffer, 3, 4)
assert_array_equal(result, np.arange(12).reshape(3, 4))
self.assertEqual(result.dtype, '=f4')