vibhatha commented on a change in pull request #11911:
URL: https://github.com/apache/arrow/pull/11911#discussion_r771087392
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File path: python/pyarrow/tests/test_dataset.py
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@@ -3621,6 +3621,204 @@ def compare_tables_ignoring_order(t1, t2):
assert not extra_file.exists()
+def _generate_random_int_array(size=4, min=1, max=10):
+ return np.random.randint(min, max, size)
+
+
+def _generate_data_and_columns(num_of_columns, records_per_row,
+ unique_records=None):
+ data = []
+ column_names = []
+ if unique_records is None:
+ unique_records = records_per_row
+ for i in range(num_of_columns):
+ data.append(_generate_random_int_array(size=records_per_row,
+ min=1,
+ max=unique_records))
+ column_names.append("c" + str(i))
+ return data, column_names
+
+
+def _get_num_of_files_generated(base_directory):
+ file_dirs = os.listdir(base_directory)
+ number_of_files = 0
+ for _, file_dir in enumerate(file_dirs):
+ sub_dir_path = base_directory / file_dir
+ number_of_files += len(os.listdir(sub_dir_path))
+ return number_of_files
+
+
+def _get_compare_pair(data_source, record_batch):
+ num_of_files_generated = _get_num_of_files_generated(
+ base_directory=data_source)
+ number_of_unique_rows = len(pa.compute.unique(record_batch[0]))
+ return num_of_files_generated, number_of_unique_rows
+
+
+def test_write_dataset_max_rows_per_file(tempdir):
Review comment:
I think this could make the test case not readable. Shall we keep it as
it is?
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