r/tests/testthat/test-s3.R

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context("S3 integration tests")

run_these <- tryCatch({
  if (arrow_with_s3() &&
      identical(tolower(Sys.getenv("ARROW_R_DEV")), "true") &&
      !identical(Sys.getenv("AWS_ACCESS_KEY_ID"), "") &&
      !identical(Sys.getenv("AWS_SECRET_ACCESS_KEY"), "")) {
    # See if we have access to the test bucket
    bucket <- s3_bucket("ursa-labs-r-test")
    bucket$GetFileInfo("")
    TRUE
  } else {
    FALSE
  }
}, error = function(e) FALSE)

bucket_uri <- function(..., bucket = "s3://ursa-labs-r-test/%s?region=us-west-2") {
  segments <- paste(..., sep = "/")
  sprintf(bucket, segments)
}

if (run_these) {
  now <- as.numeric(Sys.time())
  on.exit(bucket$DeleteDir(now))

  test_that("read/write Feather on S3", {
    write_feather(example_data, bucket_uri(now, "test.feather"))
    expect_identical(read_feather(bucket_uri(now, "test.feather")), example_data)
  })

  test_that("read/write Parquet on S3", {
    skip_if_not_available("parquet")
    write_parquet(example_data, bucket_uri(now, "test.parquet"))
    expect_identical(read_parquet(bucket_uri(now, "test.parquet")), example_data)
  })
}