lidavidm commented on code in PR #13033:
URL: https://github.com/apache/arrow/pull/13033#discussion_r862066616
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python/pyarrow/tests/test_dataset.py:
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@@ -2562,6 +2562,43 @@ def test_open_dataset_from_fsspec(tempdir):
assert dataset.schema.equals(table.schema)
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+def test_inspect_file_fsspec(s3_server):
+ # https://issues.apache.org/jira/browse/ARROW-16413
+ from pyarrow.fs import S3FileSystem, _ensure_filesystem
+ import pyarrow.dataset as ds
+
+ host, port, access_key, secret_key = s3_server['connection']
+
+ # create bucket + file with pyarrow
+ fs = S3FileSystem(
+ access_key=access_key,
+ secret_key=secret_key,
+ endpoint_override='{}:{}'.format(host, port),
+ scheme='http'
+ )
+ fs.create_dir("mybucket")
+ table = pa.table({'a': [1, 2, 3]})
+ path = "mybucket/data.parquet"
+ with fs.open_output_stream(path) as out:
+ pq.write_table(table, out)
+
+ # read using fsspec filesystem
+ import s3fs
+ fsspec_fs = s3fs.S3FileSystem(
+ key=access_key, secret=secret_key,
+ client_kwargs={"endpoint_url": f"http://{host}:{port}"}
+ )
+ assert fsspec_fs.ls("mybucket") == ['mybucket/data.parquet']
+
+ # inspect using dataset file format
+ format = ds.ParquetFileFormat()
+ filesystem = _ensure_filesystem(fsspec_fs)
+ schema = format.inspect(path, filesystem)
+ assert schema.equals(table.schema)
Review Comment:
should we also test the other two updated methods here?
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