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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 TestFieldExpression < Test::Unit::TestCase
def setup
@expression = Arrow::FieldExpression.new("visible")
end
sub_test_case("#initialize") do
def test_invalid_dot_path
message =
"[field-expression][new]: Invalid: " +
"Dot path '.[' contained an unterminated index"
assert_raise(Arrow::Error::Invalid.new(message)) do
Arrow::FieldExpression.new(".[")
end
end
end
sub_test_case("==") do
def test_true
assert_equal(Arrow::FieldExpression.new("visible"),
Arrow::FieldExpression.new(".visible"))
end
def test_false
assert_not_equal(@expression,
Arrow::FieldExpression.new("equal"))
end
end
def test_to_string
assert_equal("visible", @expression.to_s)
end
end
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