1 files changed, 78 insertions, 0 deletions
diff --git a/src/arrow/r/tests/testthat/test-read-record-batch.R b/src/arrow/r/tests/testthat/test-read-record-batch.R
new file mode 100644
index 000000000..ba109da6c
--- /dev/null
+++ b/src/arrow/r/tests/testthat/test-read-record-batch.R
@@ -0,0 +1,78 @@
+# 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.
+
+
+test_that("RecordBatchFileWriter / RecordBatchFileReader roundtrips", {
+  tab <- Table$create(
+    int = 1:10,
+    dbl = as.numeric(1:10),
+    lgl = sample(c(TRUE, FALSE, NA), 10, replace = TRUE),
+    chr = letters[1:10]
+  )
+
+  tf <- tempfile()
+  expect_error(
+    RecordBatchFileWriter$create(tf, tab$schema),
+    "RecordBatchFileWriter$create() requires an Arrow InputStream. Try providing FileOutputStream$create(tf)",
+    fixed = TRUE
+  )
+
+  stream <- FileOutputStream$create(tf)
+  writer <- RecordBatchFileWriter$create(stream, tab$schema)
+  expect_r6_class(writer, "RecordBatchWriter")
+  writer$write_table(tab)
+  writer$close()
+  stream$close()
+
+  expect_equal(read_feather(tf, as_data_frame = FALSE), tab)
+  # Make sure connections are closed
+  expect_error(file.remove(tf), NA)
+  skip_on_os("windows") # This should pass, we've closed the stream
+  expect_false(file.exists(tf))
+})
+
+test_that("record_batch() handles (raw|Buffer|InputStream, Schema) (ARROW-3450, ARROW-3505)", {
+  tbl <- tibble::tibble(
+    int = 1:10, dbl = as.numeric(1:10),
+    lgl = sample(c(TRUE, FALSE, NA), 10, replace = TRUE),
+    chr = letters[1:10]
+  )
+  batch <- record_batch(!!!tbl)
+  schema <- batch$schema
+
+  raw <- batch$serialize()
+  batch2 <- record_batch(raw, schema = schema)
+  batch3 <- record_batch(buffer(raw), schema = schema)
+  stream <- BufferReader$create(raw)
+  stream$close()
+
+  expect_equal(batch, batch2)
+  expect_equal(batch, batch3)
+})
+
+test_that("record_batch() can handle (Message, Schema) parameters (ARROW-3499)", {
+  batch <- record_batch(x = 1:10)
+  schema <- batch$schema
+
+  raw <- batch$serialize()
+  stream <- BufferReader$create(raw)
+
+  message <- read_message(stream)
+  batch2 <- record_batch(message, schema = schema)
+  expect_equal(batch, batch2)
+  stream$close()
+})