diff options
Diffstat (limited to 'src/arrow/c_glib/test/test-file-writer.rb')
-rw-r--r-- | src/arrow/c_glib/test/test-file-writer.rb | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/arrow/c_glib/test/test-file-writer.rb b/src/arrow/c_glib/test/test-file-writer.rb new file mode 100644 index 000000000..5f9c3c4e1 --- /dev/null +++ b/src/arrow/c_glib/test/test-file-writer.rb @@ -0,0 +1,85 @@ +# 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 TestFileWriter < Test::Unit::TestCase + include Helper::Buildable + + def test_write_record_batch + data = [true] + field = Arrow::Field.new("enabled", Arrow::BooleanDataType.new) + schema = Arrow::Schema.new([field]) + + tempfile = Tempfile.open("arrow-ipc-file-writer") + output = Arrow::FileOutputStream.new(tempfile.path, false) + begin + file_writer = Arrow::RecordBatchFileWriter.new(output, schema) + begin + record_batch = Arrow::RecordBatch.new(schema, + data.size, + [build_boolean_array(data)]) + file_writer.write_record_batch(record_batch) + ensure + file_writer.close + end + ensure + output.close + end + + input = Arrow::MemoryMappedInputStream.new(tempfile.path) + begin + file_reader = Arrow::RecordBatchFileReader.new(input) + assert_equal([field.name], + file_reader.schema.fields.collect(&:name)) + assert_equal(Arrow::RecordBatch.new(schema, + data.size, + [build_boolean_array(data)]), + file_reader.read_record_batch(0)) + ensure + input.close + end + end + + def test_write_table + tempfile = Tempfile.open("arrow-ipc-file-writer") + output = Arrow::FileOutputStream.new(tempfile.path, false) + + array = build_boolean_array([true, false, true]) + field = Arrow::Field.new("enabled", Arrow::BooleanDataType.new) + schema = Arrow::Schema.new([field]) + + begin + file_writer = Arrow::RecordBatchFileWriter.new(output, schema) + begin + table = Arrow::Table.new(schema, [array]) + file_writer.write_table(table) + ensure + file_writer.close + end + ensure + output.close + end + + input = Arrow::MemoryMappedInputStream.new(tempfile.path) + begin + file_reader = Arrow::RecordBatchFileReader.new(input) + assert_equal(Arrow::RecordBatch.new(schema, array.length, [array]), + file_reader.read_record_batch(0)) + ensure + input.close + end + end +end |