dragosmg commented on a change in pull request #12486:
URL: https://github.com/apache/arrow/pull/12486#discussion_r812438616
##########
File path: r/tests/testthat/test-duckdb.R
##########
@@ -15,6 +15,19 @@
# specific language governing permissions and limitations
# under the License.
+test_that("meaningful error message when duckdb is not installed", {
+ new_lib <- tempfile()
+ dir.create(new_lib)
+ withr::with_libpaths(new_lib, {
+ ds <- InMemoryDataset$create(example_data)
+ expect_error(
+ to_duckdb(ds),
+ "Please install the `duckdb` package."
+ )
+ })
+ unlink(new_lib, recursive = TRUE)
Review comment:
An option could be to add
```r
dir.create(Sys.getenv("R_LIBS_USER"), recursive=TRUE)
```
to our CI jobs before installing any dependencies. That way we make sure
anything we install will not be in the system library. `R_LIBS_USER` should by
default be at `.libPaths()[1]` unless it doesn't exists (when it is silently
ignored)
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