Tests for Siman are in the folder “~/tests/some_number”

Create new subfolder in siman/tests, giving it new name using the next available number, e.g. 5 put 5_anyname_for_your_functionality.py file with your test code into siman/tests/5 subfolder. The script should have the following sections:

"""
Test description
Author: Pupkin Vasya
"""
if __name__== "__main__":
 for name in 'POSCAR1', 'POSCAR2', 'POSCAR3':
   st = smart_structure_read(name)
   st.write_poscar('POSCAR_new')
   result = compare_number_of_lines(name, 'POSCAR_new')
     if result:
        print("test 5.1: ok") # you can make several subtests in test 5
     else:
        print('test 5.1: fail')

1. See siman/tests folder