Unit testing ek software testing approach hai jisme individual units ya components of a software system ko test kiya jaata hai. Har unit ko isolate kiya jaata hai aur uske functionality, behavior, aur performance ko test kiya jaata hai independent tareeke se.
Kuch key points about unit testing:
1. Unit of Software : Unit testing mein har ek component, function, ya module ko test kiya jaata hai alag-alag tarah se. Yeh units typically smallest part hoti hain jo independently test ki ja sakti hain.
2. Automated Testing : Unit tests usually automate kiye jaate hain, jisse ki frequently aur efficiently tests run kiye ja sakte hain.
3. Isolation : Har unit ko isolate kiya jaata hai, matlab ki dusre units ya dependencies ke influence se bachaya jaata hai testing ke dauraan.
4. Purpose : Unit testing ka main purpose hai errors aur bugs ko early stage par identify karna taki unka impact aur complexity kam ho, aur overall software quality improve ho.
5. Tool Support : Various testing frameworks aur tools available hain jo unit testing ke liye use kiye jaate hain jaise ki JUnit, NUnit, aur Jest (JavaScript ke liye).
Unit testing development process ka important part hai jisse software ki reliability aur maintainability improve ki jaati hai. Ye practice code quality ko improve karta hai aur development mein confidence build karta hai ki individual components sahi tareeke se kaam kar rahe hain.
