nealrichardson commented on pull request #7524:
URL: https://github.com/apache/arrow/pull/7524#issuecomment-650249655
@romainfrancois regarding tests, I think a fixture something like
```r
df <- tibble::tibble(
a = structure("one", class = "special_string"),
b = 2,
c = tibble::tibble(
c1 = structure("inner", extra_attr = "something"),
c2 = 4
)
)
```
could be sufficient.
```r
expect_identical(as.data.frame(Table$create(df)), df)
expect_identical(as.data.frame(record_batch(df)), df)
```
and then also confirm that it's identical round-tripping to Feather and
Parquet.
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