Adding upstream version 18.2.2.upstream/18.2.2

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

1 files changed, 80 insertions, 0 deletions

diff --git a/src/arrow/ruby/red-arrow-dataset/test/test-arrow-table.rb b/src/arrow/ruby/red-arrow-dataset/test/test-arrow-table.rb
new file mode 100644
index 000000000..191306374
--- /dev/null
+++ b/src/arrow/ruby/red-arrow-dataset/test/test-arrow-table.rb
@@ -0,0 +1,80 @@
+# 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 TestArrowTable < Test::Unit::TestCase
+  def setup
+    Dir.mktmpdir do |tmpdir|
+      @dir = tmpdir
+      @path1 = File.join(@dir, "data", "table1.arrow")
+      @table1 = Arrow::Table.new(visible: [true, false, true],
+                                 point: [1, 2, 3])
+      @path2 = File.join(@dir, "data", "table2.arrow")
+      @table2 = Arrow::Table.new(visible: [true],
+                                 point: [10])
+      yield
+    end
+  end
+
+  def build_file_uri(path)
+    absolute_path = File.expand_path(path)
+    if absolute_path.start_with?("/")
+      URI("file://#{absolute_path}")
+    else
+      URI("file:///#{absolute_path}")
+    end
+  end
+
+  sub_test_case("load") do
+    def test_no_scheme
+      Dir.chdir(@dir) do
+        uri = URI(File.basename(@path1))
+        @table1.save(uri)
+        assert_equal(@table1, Arrow::Table.load(uri))
+      end
+    end
+
+    def test_file
+      uri = build_file_uri(@path1)
+      @table1.save(uri)
+      assert_equal(@table1, Arrow::Table.load(uri))
+    end
+
+    def test_directory_uri
+      uri = build_file_uri(@dir)
+      @table1.save(build_file_uri(@path1))
+      @table2.save(build_file_uri(@path2))
+      assert_equal(@table1.concatenate([@table2]),
+                   Arrow::Table.load(uri))
+    end
+
+    def test_directory_path
+      @table1.save(build_file_uri(@path1))
+      @table2.save(build_file_uri(@path2))
+      assert_equal(@table1.concatenate([@table2]),
+                   Arrow::Table.load(@dir))
+    end
+
+    def test_filter
+      @table1.save(build_file_uri(@path1))
+      @table2.save(build_file_uri(@path2))
+      assert_equal(Arrow::Table.new(visible: [true, true, true],
+                                    point: [1, 3, 10]),
+                   Arrow::Table.load(@dir,
+                                     filter: ["equal", :visible, true]))
+    end
+  end
+end