Jesse James' ex-wife, Janine Lindemulder, says she'll pee in a cup to prove she's not a druggie -- currently.
We're at court in the OC where Janine is asking the judge in their custody battle to hold Jesse in contempt for refusing to hand 6-year-old Sunny over for a court-ordered visitation.
TMZ broke the story ... Jesse refused to follow the order because he believes Janine is a drug addict and Sunny would be at risk.
Just before walking into the courthouse, Janine said Jesse is a "control freak" and that's why he won't obey the judge's order.
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