Wife part-time Asda due to retire in 2021 will she get full state pension

My wife is 58 in November this year and understands she wont get her state pension until she is 66, however, she is unsure about how much she will receive.

http://www.dailymail.co.uk/money/experts/article-2309993/Wife-time-Asda-retire-2021-state-pension.html?ITO=1490&ns_mchannel=rss&ns_campaign=1490