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# -*- coding: utf-8 -*-
# Licensed under a 3-clause BSD style license - see LICENSE.rst
from functools import wraps
from textwrap import dedent
from ... import units as u # pylint: disable=W0611
from ...extern import six
from ...tests.helper import pytest
def py3only(func):
if six.PY2:
return pytest.mark.skipif('six.PY2')(func)
else:
@wraps(func)
def wrapper(*args, **kwargs):
if func.__doc__ is None:
pytest.skip('unable to run this test due to missing '
'docstrings (maybe the module was compiled with '
'optimization flags?)')
code = compile(dedent(func.__doc__), __file__, 'exec')
# This uses an unqualified exec statement illegally in Python 2,
# but perfectly allowed in Python 3 so in fact we eval the exec
# call :)
eval('exec(code)')
return wrapper
@py3only
def test_args3():
"""
@u.quantity_input
def myfunc_args(solarx: u.arcsec, solary: u.arcsec):
return solarx, solary
solarx, solary = myfunc_args(1*u.arcsec, 1*u.arcsec)
assert isinstance(solarx, u.Quantity)
assert isinstance(solary, u.Quantity)
assert solarx.unit == u.arcsec
assert solary.unit == u.arcsec
"""
@py3only
def test_args_noconvert3():
"""
@u.quantity_input()
def myfunc_args(solarx: u.arcsec, solary: u.arcsec):
return solarx, solary
solarx, solary = myfunc_args(1*u.deg, 1*u.arcmin)
assert isinstance(solarx, u.Quantity)
assert isinstance(solary, u.Quantity)
assert solarx.unit == u.deg
assert solary.unit == u.arcmin
"""
@py3only
def test_args_nonquantity3():
"""
@u.quantity_input
def myfunc_args(solarx: u.arcsec, solary):
return solarx, solary
solarx, solary = myfunc_args(1*u.arcsec, 100)
assert isinstance(solarx, u.Quantity)
assert isinstance(solary, int)
assert solarx.unit == u.arcsec
"""
@py3only
def test_arg_equivalencies3():
"""
@u.quantity_input(equivalencies=u.mass_energy())
def myfunc_args(solarx: u.arcsec, solary: u.eV):
return solarx, solary+(10*u.J) # Add an energy to check equiv is working
solarx, solary = myfunc_args(1*u.arcsec, 100*u.gram)
assert isinstance(solarx, u.Quantity)
assert isinstance(solary, u.Quantity)
assert solarx.unit == u.arcsec
assert solary.unit == u.gram
"""
@py3only
def test_wrong_unit3():
"""
@u.quantity_input
def myfunc_args(solarx: u.arcsec, solary: u.deg):
return solarx, solary
with pytest.raises(u.UnitsError) as e:
solarx, solary = myfunc_args(1*u.arcsec, 100*u.km)
assert str(e.value) == "Argument 'solary' to function 'myfunc_args' must be in units convertible to 'deg'."
"""
@py3only
def test_not_quantity3():
"""
@u.quantity_input
def myfunc_args(solarx: u.arcsec, solary: u.deg):
return solarx, solary
with pytest.raises(TypeError) as e:
solarx, solary = myfunc_args(1*u.arcsec, 100)
assert str(e.value) == "Argument 'solary' to function 'myfunc_args' has no 'unit' attribute. You may want to pass in an astropy Quantity instead."
"""
@py3only
def test_decorator_override():
"""
@u.quantity_input(solarx=u.arcsec)
def myfunc_args(solarx: u.km, solary: u.arcsec):
return solarx, solary
solarx, solary = myfunc_args(1*u.arcsec, 1*u.arcsec)
assert isinstance(solarx, u.Quantity)
assert isinstance(solary, u.Quantity)
assert solarx.unit == u.arcsec
assert solary.unit == u.arcsec
"""
@py3only
def test_kwargs3():
"""
@u.quantity_input
def myfunc_args(solarx: u.arcsec, solary, myk: u.arcsec=1*u.arcsec):
return solarx, solary, myk
solarx, solary, myk = myfunc_args(1*u.arcsec, 100, myk=100*u.deg)
assert isinstance(solarx, u.Quantity)
assert isinstance(solary, int)
assert isinstance(myk, u.Quantity)
assert myk.unit == u.deg
"""
@py3only
def test_unused_kwargs3():
"""
@u.quantity_input
def myfunc_args(solarx: u.arcsec, solary, myk: u.arcsec=1*u.arcsec, myk2=1000):
return solarx, solary, myk, myk2
solarx, solary, myk, myk2 = myfunc_args(1*u.arcsec, 100, myk=100*u.deg, myk2=10)
assert isinstance(solarx, u.Quantity)
assert isinstance(solary, int)
assert isinstance(myk, u.Quantity)
assert isinstance(myk2, int)
assert myk.unit == u.deg
assert myk2 == 10
"""
@py3only
def test_kwarg_equivalencies3():
"""
@u.quantity_input(equivalencies=u.mass_energy())
def myfunc_args(solarx: u.arcsec, energy: u.eV=10*u.eV):
return solarx, energy+(10*u.J) # Add an energy to check equiv is working
solarx, energy = myfunc_args(1*u.arcsec, 100*u.gram)
assert isinstance(solarx, u.Quantity)
assert isinstance(energy, u.Quantity)
assert solarx.unit == u.arcsec
assert energy.unit == u.gram
"""
@py3only
def test_kwarg_wrong_unit3():
"""
@u.quantity_input
def myfunc_args(solarx: u.arcsec, solary: u.deg=10*u.deg):
return solarx, solary
with pytest.raises(u.UnitsError) as e:
solarx, solary = myfunc_args(1*u.arcsec, solary=100*u.km)
assert str(e.value) == "Argument 'solary' to function 'myfunc_args' must be in units convertible to 'deg'."
"""
@py3only
def test_kwarg_not_quantity3():
"""
@u.quantity_input
def myfunc_args(solarx: u.arcsec, solary: u.deg=10*u.deg):
return solarx, solary
with pytest.raises(TypeError) as e:
solarx, solary = myfunc_args(1*u.arcsec, solary=100)
assert str(e.value) == "Argument 'solary' to function 'myfunc_args' has no 'unit' attribute. You may want to pass in an astropy Quantity instead."
"""
@py3only
def test_kwarg_default3():
"""
@u.quantity_input
def myfunc_args(solarx: u.arcsec, solary: u.deg=10*u.deg):
return solarx, solary
solarx, solary = myfunc_args(1*u.arcsec)
"""
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