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

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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

    test("[Symbol, String, Hash]") do
      options = Arrow::MatchSubstringOptions.new
      options.pattern = "hello"
      assert_equal(Arrow::CallExpression.new("match_substring",
                                             ["content"],
                                             options),
                   Arrow::Expression.try_convert([:match_substring,
                                                  "content",
                                                  {pattern: "hello"}]))
    end
  end
end