def test_model_get_documentation():
model_src = '''"""
input = lstring="_(0.01)-(90)F(1)"
output = lstring
"""
N = 2
derivation length: N
production:
F(x) :
produce F(x/3.0)+F(x/3.0)--F(x/3.0)+F(x/3.0)
endlsystem
'''
model = LPyModel(code=model_src)
assert model.get_documentation() == """input = lstring="_(0.01)-(90)F(1)"
output = lstring"""
assert model.repr_code() == model_src
