pratyushadk commented on code in PR #50907:
URL: https://github.com/apache/arrow/pull/50907#discussion_r3853742290
##########
python/pyarrow/tests/test_sparse_tensor.py:
##########
@@ -254,6 +258,29 @@ def test_sparse_csr_matrix_from_dense(dtype_str,
arrow_type):
assert np.array_equal(indices, result_indices)
[email protected](not csr_array, reason="requires scipy")
[email protected]('pa_class,sc_matrix_class,sc_array_class', [
+ pytest.param(
+ pa.SparseCSRMatrix, csr_matrix, csr_array, id='CSR'
+ ),
+ pytest.param(
+ pa.SparseCSCMatrix, csc_matrix, csc_array, id='CSC'
+ ),
+])
+def test_sparse_csx_matrix_from_1d(
+ pa_class, sc_matrix_class, sc_array_class):
+ array = np.array([1, 0, 2, 0, 0, 3, 0, 4], dtype=np.int64)
+ tensor = pa.Tensor.from_numpy(array)
+
+ scipy_matrix = sc_matrix_class(array)
+ sparse_tensor = pa_class.from_tensor(tensor)
+
+ assert np.array_equal(
+ sparse_tensor.to_tensor().to_numpy(), scipy_matrix.toarray()
Review Comment:
@rok I have also updated the PR description with latest changes.
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