src/arrow/ruby/red-arrow/test/test-expression.rb


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# 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 TestExpression < Test::Unit::TestCase
  sub_test_case(".try_convert") do
    test("Symbol") do
      assert_equal(Arrow::FieldExpression.new("visible"),
                   Arrow::Expression.try_convert(:visible))
    end

    test("[String]") do
      assert_equal(Arrow::CallExpression.new("func", []),
                   Arrow::Expression.try_convert(["func"]))
    end

    test("[Symbol]") do
      assert_equal(Arrow::CallExpression.new("func", []),
                   Arrow::Expression.try_convert([:func]))
    end

    test("[String, String]") do
      assert_equal(Arrow::CallExpression.new("func", ["argument1"]),
                   Arrow::Expression.try_convert(["func", "argument1"]))
    end
  end
end