Long story short, saliva contains proteins and a low salt content that actively inhibits the virus. Also, post consumption of semen or other infected fluid the gastric acid in the stomach inhibits the virus.
Therefore, consumption of infected fluid or the viral contact with the digestive system is not an effective scope for transmission. The virus needs to establish contact with the nervous system for infection.
Now, as stated by ANM, you should stop playing doctor and switch your phone off to online HIV searching. You had no risk, no testing necessary.
Oral sex is not a risk for HIV even if you have an inflamed urethra. Saliva and air inactivate the virus. So, this is no risk. Unless you have unprotected vaginal or anal intercourse or sharing IV drug needles, you won't have to worry about HIV.