1 files changed, 72 insertions, 0 deletions
diff --git a/src/arrow/c_glib/test/test-gio-input-stream.rb b/src/arrow/c_glib/test/test-gio-input-stream.rb
new file mode 100644
index 000000000..8cc109987
--- /dev/null
+++ b/src/arrow/c_glib/test/test-gio-input-stream.rb
@@ -0,0 +1,72 @@
+# 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 TestGIOInputStream < Test::Unit::TestCase
+  include Helper::Buildable
+
+  def test_reader_backend
+    data = [true]
+    field = Arrow::Field.new("enabled", Arrow::BooleanDataType.new)
+    schema = Arrow::Schema.new([field])
+
+    tempfile = Tempfile.open("arrow-gio-input-stream")
+    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
+
+    file = Gio::File.new_for_path(tempfile.path)
+    input_stream = file.read
+    input = Arrow::GIOInputStream.new(input_stream)
+    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_getter
+    input_stream = Gio::MemoryInputStream.new("Hello")
+    input = Arrow::GIOInputStream.new(input_stream)
+    assert_equal(input_stream, input.raw)
+  end
+
+  def test_peek
+    input_stream = Gio::MemoryInputStream.new("Hello World")
+    buffered_input_stream = Gio::BufferedInputStream.new(input_stream)
+    input = Arrow::GIOInputStream.new(buffered_input_stream)
+    assert_equal("He", input.peek(2).to_s)
+    assert_equal("Hel", input.read_bytes(3).to_s)
+    assert_equal("lo ", input.peek(3).to_s)
+  end
+end