Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 65 insertions, 0 deletions

diff --git a/src/arrow/c_glib/test/dataset/test-file-writer.rb b/src/arrow/c_glib/test/dataset/test-file-writer.rb
new file mode 100644
index 000000000..5b25d6044
--- /dev/null
+++ b/src/arrow/c_glib/test/dataset/test-file-writer.rb
@@ -0,0 +1,65 @@
+# 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.
+
+class TestDatasetFileWriter < Test::Unit::TestCase
+  include Helper::Buildable
+  include Helper::Readable
+
+  def setup
+    omit("Arrow Dataset is required") unless defined?(ArrowDataset)
+    Dir.mktmpdir do |tmpdir|
+      @dir = tmpdir
+      @format = ArrowDataset::IPCFileFormat.new
+      @file_system = Arrow::LocalFileSystem.new
+      @path = File.join(@dir, "data.arrow")
+      @output = @file_system.open_output_stream(@path)
+      @schema = build_schema(visible: Arrow::BooleanDataType.new,
+                             point: Arrow::UInt8DataType.new)
+      @writer = @format.open_writer(@output,
+                                    @file_system,
+                                    @path,
+                                    @schema,
+                                    @format.default_write_options)
+      yield
+    end
+  end
+
+  def test_write_record_batch
+    record_batch = build_record_batch(
+      visible: build_boolean_array([true, false, true]),
+      point: build_uint8_array([1, 2, 3]))
+    @writer.write_record_batch(record_batch)
+    @writer.finish
+    @output.close
+    read_table(@path) do |written_table|
+      assert_equal(Arrow::Table.new(record_batch.schema,
+                                    [record_batch]),
+                   written_table)
+    end
+  end
+
+  def test_write_record_batch_reader
+    table = build_table(visible: build_boolean_array([true, false, true]),
+                        point: build_uint8_array([1, 2, 3]))
+    @writer.write_record_batch_reader(Arrow::TableBatchReader.new(table))
+    @writer.finish
+    @output.close
+    read_table(@path) do |written_table|
+      assert_equal(table, written_table)
+    end
+  end
+end