def test_asdf_roundtrip_pipeline(_jail):
"""Save a Pipeline pars and re-instantiate with the save parameters"""
# Save the parameters
par_path = 'mkp_pars.asdf'
args = [
'jwst.stpipe.tests.steps.MakeListPipeline',
'a.fits',
'b',
'--steps.make_list.par1', '10.',
'--steps.make_list.par2', 'par2',
'--save-parameters',
par_path
]
Step.from_cmdline(args)
# Rerun with the parameter file
# Initial condition is that `Step.from_cmdline`
# succeeds.
args = [
par_path,
'a.fits',
'b'
]
step = Step.from_cmdline(args)
# As a secondary condition, ensure the required parameter
# `par2` is set.
assert step.make_list.par2 == 'par2'
def test_step_from_asdf():
"""Test initializing step completely from config"""
config_file = t_path(
Path('steps') / 'jwst_generic_pars-makeliststep_0001.asdf')
step = Step.from_config_file(config_file)
assert isinstance(step, MakeListStep)
assert step.name == 'make_list'
results = step.run()
assert results == DEFAULT_RESULT
def test_step_from_asdf_noname():
"""Test initializing step completely from config without a name specified"""
root = 'jwst_generic_pars-makeliststep_0002'
config_file = t_path(Path('steps') / (root + '.asdf'))
step = Step.from_config_file(config_file)
assert isinstance(step, MakeListStep)
assert step.name == root
results = step.run()
assert results == DEFAULT_RESULT
def test_from_command_line_override():
"""Test creating Step from command line using ASDF"""
config_file = t_path(
Path('steps') / 'jwst_generic_pars-makeliststep_0001.asdf')
args = [config_file, '--par1=0.']
step = Step.from_cmdline(args)
assert isinstance(step, MakeListStep)
assert step.par1 == 0.
assert step.par2 == 'Yes, a string'
results = step.run()
assert results == [0., DEFAULT_PAR2, False]