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import numpy as np
import asdf
from asdf import AsdfFile
from asdf._tests._helpers import assert_tree_match
from asdf.commands import main
def test_explode_then_implode(tmp_path):
x = np.arange(0, 10, dtype=float)
tree = {
"science_data": x,
"subset": x[3:-3],
"skipping": x[::2],
"not_shared": np.arange(10, 0, -1, dtype=np.uint8),
}
path = tmp_path / "original.asdf"
ff = AsdfFile(tree)
# Since we're testing with small arrays, force all arrays to be stored
# in internal blocks rather than letting some of them be automatically put
# inline.
ff.write_to(path, all_array_storage="internal")
with asdf.open(path) as af:
assert len(af._blocks.blocks) == 2
result = main.main_from_args(["explode", str(path)])
assert result == 0
files = [p.name for p in tmp_path.iterdir()]
assert "original.asdf" in files
assert "original_exploded.asdf" in files
assert "original_exploded0000.asdf" in files
assert "original_exploded0001.asdf" in files
assert "original_exploded0002.asdf" not in files
# compare file sizes of original and exploded files
original_size = (tmp_path / "original.asdf").stat().st_size
exploded_size = (tmp_path / "original_exploded.asdf").stat().st_size
assert original_size > exploded_size
path = tmp_path / "original_exploded.asdf"
result = main.main_from_args(["implode", str(path)])
assert result == 0
with asdf.open(tmp_path / "original_exploded_all.asdf") as af:
assert_tree_match(af.tree, tree)
assert len(af._blocks.blocks) == 2
def test_file_not_found(tmp_path):
path = tmp_path / "original.asdf"
assert main.main_from_args(["explode", str(path)]) == 2
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