ruby/red-arrow-flight-sql/test/test-client.rb

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class TestClient < Test::Unit::TestCase
  def setup
    @server = nil
    omit("Unstable on Windows") if Gem.win_platform?
    omit("Unstable on x86_64 macOS") if /x86_64-darwin/.match?(RUBY_PLATFORM)
    @server = Helper::Server.new
    @server.listen("grpc://127.0.0.1:0")
    @location = "grpc://127.0.0.1:#{@server.port}"
    @client = ArrowFlight::Client.new(@location)
    @sql_client = ArrowFlightSQL::Client.new(@client)
  end

  def teardown
    return if @server.nil?
    @server.shutdown
  end

  def test_execute
    info = @sql_client.execute("SELECT * FROM page_view_table")
    endpoint = info.endpoints.first
    generator = Helper::InfoGenerator.new
    reader = @sql_client.do_get(endpoint.ticket)
    assert_equal(generator.page_view_table,
                 reader.read_all)
  end

  def test_prepare
    insert_sql = "INSERT INTO page_view_table VALUES ($1, true)"
    block_called = false
    options = ArrowFlight::CallOptions.new
    options.add_header("x-access-key", "secret")
    @sql_client.prepare(insert_sql, options) do |statement|
      block_called = true
      assert_equal([
                     Arrow::Schema.new(count: :uint64, private: :boolean),
                     Arrow::Schema.new(count: :uint64),
                   ],
                   [
                     statement.dataset_schema,
                     statement.parameter_schema,
                   ])
      counts = Arrow::UInt64Array.new([1, 2, 3])
      parameters = Arrow::RecordBatch.new(count: counts)
      statement.set_record_batch(parameters)
      assert_equal(3, statement.execute_update)
    end
    assert_true(block_called)
  end
end