Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 4 months ago

The criterion of hypocrites is disliking Imam Ali (AS) as the Prophetic Hadeeth states: No one likes Ali but a believer, and no one  dislike him but a hypocrite. ( Saheeh Muslim 113) and Tirmithi 3651 and Al-Sunan Al-Suggra by al-Nasaa'ee 4978 and Sunan Ibn Maajah 111.

Soyooti narrated in his book al-Durr Al-Manthour, V.6, P.66 from Abdullah Ibn Mas'ood saying: During the time of the Messenger of Allah, we did not recognize the Munafiqs (Hypocrites) but only by their disliking Ali ibn Abi Talib. 
Wassalam.