def test_param_defs_cmdline():
pd = ParameterDefinitions((p1, p2))
# there's a required parameter, and here we don't pass it
assert_raises(CallerError, pd.make_cmdline, ('cmd',))
# now we do
assert_equal(pd.make_cmdline(('cmd',), ('a1',)), ('cmd', 'a1'))
assert_equal(pd.make_cmdline(('cmd',), ('a1','a2')), ('cmd', 'a1', 'a2'))
# with some options
pd = ParameterDefinitions((p1, p2),(o1, o2, f1))
assert_equal(pd.make_cmdline(('cmd',), ('a1',)), ('cmd', 'a1'))
assert_equal(pd.make_cmdline(('cmd',), ('a1','a2')), ('cmd', 'a1', 'a2'))
assert_equal(
pd.make_cmdline(('cmd',), ('arg1',), {'o1':'3'}),
('cmd', '--option1=3', 'arg1'))
assert_equal(
pd.make_cmdline(('cmd',), ('arg1',), {'o2': True}),
('cmd', '--option2=True', 'arg1'))
assert_equal(
pd.make_cmdline(('cmd',), ('arg1',), {'o3': True}),
('cmd', '--option3', 'arg1'))
def test_param_defs_chkvals():
pd = ParameterDefinitions((p1, p2), (o1, o2))
pvals, ovals = pd.checked_values(('1','2'))
assert_equal(pvals, ('1', '2'))
assert_equal(ovals, {})
pvals, ovals = pd.checked_values(('1','2'),{'option1':'Yo'})
assert_equal(pvals, ('1', '2'))
assert_equal(ovals, {'option1':'Yo'})
# aliases in options recognized, and names made canonical
pvals, ovals = pd.checked_values((),{'o1':'Yo'})
assert_equal(pvals, ())
assert_equal(ovals, {'option1':'Yo'})
# we check the keys in the mapping for unexpectedness
assert_raises(CallerError, pd.checked_values, (),{'crazy':'Yo'})
# named parameters shift into positionals after checking
pvals, ovals = pd.checked_values(('1',),{'param2':'Yo'})
assert_equal(pvals, ('1', 'Yo'))
assert_equal(ovals, {})
# the named parameter overwrites corresponding positional parameter
pvals, ovals = pd.checked_values(('1',),{'param1':'Yo'})
assert_equal(pvals, ('Yo',))
assert_equal(ovals, {})
# if the named positional parameter is more than one off the end of
# the unnamed positional parameters, there's an error
assert_raises(CallerError, pd.checked_values, (), {'param2':'Yo'})
assert_equal(pvals, ('Yo',))
assert_equal(ovals, {})
# but we'll append happily to the end of the list
pvals, ovals = pd.checked_values((),{'param1':'Yo'})
assert_equal(pvals, ('Yo',))
assert_equal(ovals, {})
# too many positionals will cause trouble
assert_raises(CallerError, pd.checked_values, ('1','2','3'))
# but not if we turn on last_repeat
pd = ParameterDefinitions((p1, p2), (o1, o2), pos_last_repeat=True)
pvals, ovals = pd.checked_values(('1','2','3'))
assert_equal(pvals, ('1', '2', '3'))
assert_equal(ovals, {})
