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hub / github.com/apache/arrow / test_table_from_pydict_arrow_arrays

Function test_table_from_pydict_arrow_arrays

python/pyarrow/tests/test_table.py:2392–2419  ·  view source on GitHub ↗
(data, klass)

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2390 (([[''], ['foo', 'bar']], [[4.5], [5., None]]), pa.chunked_array),
2391])
2392def test_table_from_pydict_arrow_arrays(data, klass):
2393 data = OrderedDict([('strs', klass(data[0])), ('floats', klass(data[1]))])
2394 schema = pa.schema([('strs', pa.utf8()), ('floats', pa.float64())])
2395
2396 # With arrays as values
2397 table = pa.Table.from_pydict(data)
2398 assert table.num_columns == 2
2399 assert table.num_rows == 3
2400 assert table.schema == schema
2401
2402 # With explicit (matching) schema
2403 table = pa.Table.from_pydict(data, schema=schema)
2404 assert table.num_columns == 2
2405 assert table.num_rows == 3
2406 assert table.schema == schema
2407
2408 # with different but compatible schema
2409 schema = pa.schema([('strs', pa.utf8()), ('floats', pa.float32())])
2410 table = pa.Table.from_pydict(data, schema=schema)
2411 assert pa.types.is_float32(table.column('floats').type)
2412 assert table.num_columns == 2
2413 assert table.num_rows == 3
2414 assert table.schema == schema
2415
2416 # with different and incompatible schema
2417 schema = pa.schema([('strs', pa.utf8()), ('floats', pa.timestamp('s'))])
2418 with pytest.raises((NotImplementedError, TypeError)):
2419 pa.Table.from_pydict(data, schema=schema)
2420
2421
2422@pytest.mark.parametrize('data, klass', [

Callers

nothing calls this directly

Calls 2

schemaMethod · 0.45
columnMethod · 0.45

Tested by

no test coverage detected