# Use sparingly to minimize AWS costs.
# Verify all `targets` buckets are deleted afterwards.
# After this test runs, log into the AWS console,
# check that the prefix is correct, and MANUALLY CLEAR OUT THE BUCKET.
# Run interactively to check the prefix.
tar_test("aws_parquet format returns data frames", {
skip_if_no_aws()
skip_if_not_installed("arrow")
bucket_name <- random_bucket_name()
s3 <- paws.storage::s3()
s3$create_bucket(Bucket = bucket_name)
on.exit(aws_s3_delete_bucket(bucket_name))
expr <- quote({
tar_option_set(
resources = tar_resources(
aws = tar_resources_aws(
bucket = !!bucket_name,
prefix = "custom/prefix"
)
),
format = "parquet",
repository = "aws"
)
list(
tar_target(x, data.frame(x = seq_len(2), y = seq_len(2)))
)
})
expr <- tar_tidy_eval(expr, environment(), TRUE)
eval(as.call(list(`tar_script`, expr, ask = FALSE)))
tar_make(callr_function = NULL)
out <- as.data.frame(tar_read(x))
expect_equal(out, data.frame(x = seq_len(2), y = seq_len(2)))
expect_true(
aws_s3_exists(
key = "custom/prefix/objects/x",
bucket = bucket_name,
max_tries = 5L
)
)
})
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.