Test system and test method of vehicle controller

The invention provides a test system and a test method for a vehicle controller. The test system comprises an upper computer, a test cabinet and a tested whole vehicle rack, the tested whole vehicle rack comprises at least one tested controller; the upper computer is connected with the test cabinet; the test cabinet is connected with the tested whole vehicle rack. The upper computer is used for generating a test instruction according to a target test case in a preset test case library and sending the test instruction to the test cabinet; the test cabinet is used for generating a fault signal according to the test instruction and performing fault injection on a target tested controller in the at least one tested controller according to the fault signal; the target tested controller is used for generating operation data according to the fault signal and self control logic; the test cabinet is used for reading the operation data and sending the operation data to the upper computer; and the upper computer is used