How to write better assertions

A good Selenium test should have as few as possible assertions.

These assertions should be

• clear

• simple

• short

• with error messages

• with as little duplication as possible

Most of the Selenium Java projects use for assertions either jUnit or TestNG.

Personally, I prefer TestNG as, in the past, it offered lots of advantages over jUnit (things may be different today).

We will go through a few different examples and see different ways of creating assertions for them:

1. String Assertions

2. List<String> Assertions

3. List<Object> Assertions

4. Filtered List Assertions

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