62 lines
1.6 KiB
Python
62 lines
1.6 KiB
Python
import pyarrow as pa
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from ray.data._internal.dataset_repr import _build_dataset_ascii_repr_from_rows
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from ray.data.dataset import Schema
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def test_dataset_repr_from_rows_not_materialized():
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schema = Schema(pa.schema([("a", pa.int64()), ("b", pa.string())]))
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text = _build_dataset_ascii_repr_from_rows(
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schema=schema,
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num_rows=5,
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dataset_name="test_ds",
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is_materialized=False,
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head_rows=[],
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tail_rows=[],
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)
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assert text == (
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"name: test_ds\n"
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"shape: (5, 2)\n"
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"╭───────┬────────╮\n"
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"│ a ┆ b │\n"
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"│ --- ┆ --- │\n"
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"│ int64 ┆ string │\n"
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"╰───────┴────────╯\n"
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"(Dataset isn't materialized)"
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)
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def test_dataset_repr_from_rows_gap():
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schema = Schema(pa.schema([("id", pa.int64())]))
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text = _build_dataset_ascii_repr_from_rows(
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schema=schema,
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num_rows=12,
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dataset_name=None,
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is_materialized=True,
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head_rows=[["0"], ["1"]],
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tail_rows=[["10"], ["11"]],
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)
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assert text == (
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"shape: (12, 1)\n"
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"╭───────╮\n"
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"│ id │\n"
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"│ --- │\n"
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"│ int64 │\n"
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"╞═══════╡\n"
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"│ 0 │\n"
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"│ 1 │\n"
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"│ … │\n"
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"│ 10 │\n"
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"│ 11 │\n"
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"╰───────╯\n"
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"(Showing 4 of 12 rows)"
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)
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if __name__ == "__main__":
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import sys
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import pytest
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sys.exit(pytest.main(["-v", __file__]))
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