Is “The donkey satire and the ambush at Xincheng” true?

attested in history

The Records of the Three Kingdoms, Book of Wu, Biography of Zhuge Ke, details his wit and eloquence, the victory at Dongxing, the great defeat at Xincheng, and the entire process of his ambush and execution by Sun Jun, which also led to the extermination of his clan. The novel largely follows the official history.

Zhuge Ke

Both official histories and novels record events such as the donkey satire, the victory at Dongxing, the disastrous defeat at Xincheng, and his ambush and execution by Sun Jun.