Aapart from random checks which can happen any time, there are also temporary border controls throughout the Schengen area. The list of temporary border controls is on the official website and the list of notification includes France. It says the following:

France (1 May 2022 – 31 October 2022) Continuous terrorist threat, secondary movements; all internal borders

So currently they are having checks with increased frequencies than normal times.

You can check the notifications with that regard here:

https://home-affairs.ec.europa.eu/policies/schengen-borders-and-visa/schengen-area/temporary-reintroduction-border-control_en

Apart from random checks which can happen anytime, there are also temporary border controls throughout the Schengen area. The list of temporary border controls is on the official website and the list of notification includes France. It says the following:

France (1 May 2022 – 31 October 2022) Continuous terrorist threat, secondary movements; all internal borders

So currently they are having checks with increased frequencies from normal times.

You can check the notifications regarding that here:

https://home-affairs.ec.europa.eu/policies/schengen-borders-and-visa/schengen-area/temporary-reintroduction-border-control_en