jonkeane commented on a change in pull request #9618:
URL: https://github.com/apache/arrow/pull/9618#discussion_r585844378
##########
File path: r/tests/testthat/test-dataset.R
##########
@@ -1061,6 +1061,17 @@ test_that("Writing a dataset: Parquet->Parquet
(default)", {
)
})
+test_that("Writing a dataset: Not specified format", {
+ skip_on_os("windows") # https://issues.apache.org/jira/browse/ARROW-9651
+ dst_dir <- make_temp_dir()
+ write_dataset(mtcars, dst_dir)
+ new_ds <- open_dataset(dst_dir)
Review comment:
Should we assert that this has produced parquet files / the dataset as
opened is parquet files?
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