()
| 66 | |
| 67 | |
| 68 | def test_chunked_array_construction(): |
| 69 | arr = pa.chunked_array([ |
| 70 | [1, 2, 3], |
| 71 | [4, 5, 6], |
| 72 | [7, 8, 9], |
| 73 | ]) |
| 74 | assert arr.type == pa.int64() |
| 75 | assert len(arr) == 9 |
| 76 | assert len(arr.chunks) == 3 |
| 77 | |
| 78 | arr = pa.chunked_array([ |
| 79 | [1, 2, 3], |
| 80 | [4., 5., 6.], |
| 81 | [7, 8, 9], |
| 82 | ]) |
| 83 | assert arr.type == pa.int64() |
| 84 | assert len(arr) == 9 |
| 85 | assert len(arr.chunks) == 3 |
| 86 | |
| 87 | arr = pa.chunked_array([ |
| 88 | [1, 2, 3], |
| 89 | [4., 5., 6.], |
| 90 | [7, 8, 9], |
| 91 | ], type=pa.int8()) |
| 92 | assert arr.type == pa.int8() |
| 93 | assert len(arr) == 9 |
| 94 | assert len(arr.chunks) == 3 |
| 95 | |
| 96 | arr = pa.chunked_array([ |
| 97 | [1, 2, 3], |
| 98 | [] |
| 99 | ]) |
| 100 | assert arr.type == pa.int64() |
| 101 | assert len(arr) == 3 |
| 102 | assert len(arr.chunks) == 2 |
| 103 | |
| 104 | msg = "cannot construct ChunkedArray from empty vector and omitted type" |
| 105 | with pytest.raises(ValueError, match=msg): |
| 106 | assert pa.chunked_array([]) |
| 107 | |
| 108 | assert pa.chunked_array([], type=pa.string()).type == pa.string() |
| 109 | assert pa.chunked_array([[]]).type == pa.null() |
| 110 | assert pa.chunked_array([[]], type=pa.string()).type == pa.string() |
| 111 | |
| 112 | |
| 113 | def test_combine_chunks(): |
nothing calls this directly
no test coverage detected