-
Use dotnet command to install stryker
dotnet tool install -g dotnet-stryker -
Go inside Tests folder
cd money-problem/Tests -
Run stryker command
dotnet stryker -
Check the report inside StrykerOutput folder
- Check remaining mutants
Stryker was able to create a mutant as we don't verify the exception message. The processed replaced the exception message by an empty string and our test still passed.
It proves our test isn't reliable. Testing the message does provide value as it contain business information.
When implemented, verify your test pass and run the stryker command again.
Stryker was able to create a mutant as we don't have any assertion in our test.
When implemented, verify your test pass and run the stryker command again.
Congratulations you have killed your first mutants !!!
Why you should focus on good assertion?
- Take a look at the Test Desiderata