When should I test?

I'm so curious to test! Is it too early to test? My AF have yet to show up! My period is a regular 30 days and was due on Friday. Now I'm on CD32 and it's my first time ever experiencing a cycle longer than my usual one. I've been nauseous all day as well as extreme fatigue and I had another metal taste in my mouth when I ate my favorite food. Normally, I wouldn't have symptoms before my period. It would just show up, but I've been having so many different symptoms this week. I've even had pink/brown spotting on 11/9. What does this mean? When should I test? My mom and bestfriend (who just had my goddaughter) tell me to take it now, but I wanted to see what you guys would say. Any recommendations for what test to buy?

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