通过python在运行时运行C程序的测试用例

I am working on a program in python wherein a .c file for a C program is opened, compiled and run. I have many test cases for the program which I need to check manually every time I run the program. Now there are about 15 to 16 C programs and they have about 100 test cases combined. So how should I write python program so that after running the C program using python, it will automatically load each test cases and direct its output to a specified file?I am working on a program in python wherein a .