How to get the self script file name in a Bash script?

[ec2-user@dockers ~]$ cat ~/test.sh

echo $BASH_SOURCE

# get file name only without path

echo $(basename $BASH_SOURCE)

[ec2-user@dockers ~]$ bash ~/test.sh

/home/ec2-user/test.sh

test.sh

[ec2-user@dockers ~]$ ~/test.sh

/home/ec2-user/test.sh

test.sh

[ec2-user@dockers ~]$ ./test.sh

./test.sh

test.sh

[ec2-user@dockers ~]$