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Diffstat (limited to 'src/arrow/r/tests/testthat/helper-parquet.R')
-rw-r--r-- | src/arrow/r/tests/testthat/helper-parquet.R | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/arrow/r/tests/testthat/helper-parquet.R b/src/arrow/r/tests/testthat/helper-parquet.R new file mode 100644 index 000000000..a0dd445bb --- /dev/null +++ b/src/arrow/r/tests/testthat/helper-parquet.R @@ -0,0 +1,29 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. + +expect_parquet_roundtrip <- function(tab, ...) { + expect_equal(parquet_roundtrip(tab, ...), tab) +} + +parquet_roundtrip <- function(x, ..., as_data_frame = FALSE) { + # write/read parquet, returns Table + tf <- tempfile() + on.exit(unlink(tf)) + + write_parquet(x, tf, ...) + read_parquet(tf, as_data_frame = as_data_frame) +} |