"On any given day they are the benchmark for women's football," said Readings. "They will give us a clear idea of the areas we need to work on before the Olympics but also on ways in which we can hurt top quality teams."
"They have won the Olympic gold medal three times and missed out on a third World Cup title last year in a penalty shootout. They've just come through Olympic qualifying without conceding a goal and capped it off with a 4-0 win over Canada in the final.
"The Olympics will be a 12-team tournament, so if and when we get to London, the odds of getting two or even three top-tier nations in our pool are high. We need to play the best to prepare for the best."
The Football Ferns are also scheduled to play Northern Ireland, South Africa and South Korea at next month's Cyprus Cup.
Football Ferns:
Goalkeepers: Jenny Bindon, Erin Nayler; Defenders: Abbey Erceg, Anna Green, Kristy Hill, Ria Percival, Ali Riley, Rebecca Smith; Midfielders: Betsy Hassett, Katie Hoyle, Annalie Longo, Hayley Moorwood, Kirsty Yallop; Forwards: Amber Hearn, Sarah Gregorius, Emma Kete, Rosie White, Hannah Wilkinson.