I do name my test methods like other methods using "PascalCasing" without any underscores or separators. I leave the postfix Test for the method out, cause it adds no value. That the method is a test method is indicated by the attribute TestMethod.
[TestMethod]
public void CanCountAllItems() {
// Test the total count of items in collection.
}
Due to the fact that each Test class should only test one other class i leave the name of the class out of the method name. The name of the class that contains the test methods is named like the class under test with the postfix "Tests".
[TestClass]
public class SuperCollectionTests(){
// Any test methods that test the class SuperCollection
}
For methods that test for exceptions or actions that are not possible, i prefix the test method with the word Cannot.
[TestMethod]
[ExpectedException(typeOf(ArgumentException))]
public void CannotAddSameObjectAgain() {
// Cannot add the same object again to the collection.
}
My naming convension are base on the article "TDD Tips: Test Naming Conventions & Guidelines" of Bryan Cook. I found this article very helpful.
