def test_with(index,
context_vals=False, # whether to check number of context vals
context_tests=None, # check on context expressions
body=None,
undefined_msg=None,
context_vals_len_msg=None,
context_vals_msg=None,
expand_message=True,
state=None):
"""Test a with statement.
with open_file('...') as bla:
[ open_file('...').__enter__() ]
with open_file('...') as file:
[ ]
"""
rep = Reporter.active_reporter
rep.set_tag("fun", "test_with")
check_with = partial(check_node, 'withs', index-1, "`with` statement", MSG_MISSING, state=state)
child = check_with(MSG_PREPEND if expand_message else "")
child2 = check_with(MSG_PREPEND2 if expand_message else "")
quiet_child = quiet(1, child)
if context_vals:
# test num context vars ----
too_many = len(child.student_parts['context']) > len(child.solution_parts['context'])
if too_many:
_msg = child.build_message(MSG_NUM_CTXT)
rep.do_test(Test(Feedback(_msg, child.student_tree)))
# test context var names ----
for i in range(len(child.solution_parts['context'])):
ctxt_state = check_part_index('context', i, "", state=child)
has_equal_part('target_vars', MSG_CTXT_NAMES, state=ctxt_state)
# Context sub tests ----
if context_tests and not isinstance(context_tests, list): context_tests = [context_tests]
for i, context_test in enumerate(context_tests or []):
# partial the substate check, because the function uses two prepended messages
check_context = partial(check_part_index, 'context', i, "%s context"%utils.get_ord(i+1), MSG_NUM_CTXT2)
check_context(state=child) # test exist
ctxt_state = check_context(state=child2) # sub tests
multi(context_test, state=ctxt_state)
# Body sub tests ----
if body is not None:
body_state = check_part('body', 'body', state=child2)
with_context(body, state=body_state)
def test_args(arg_names, arg_defaults,
nb_args_msg, arg_names_msg, arg_defaults_msg,
child, quiet_child):
if arg_names or arg_defaults:
# test number of args
has_equal_part_len('_spec1_args', nb_args_msg or MSG_NUM_ARGS, state=quiet_child)
# iterate over each arg, testing name and default
for ii in range(len(child.solution_parts['_spec1_args'])):
# get argument state
arg_state = check_part_index('_spec1_args', ii, 'argument', "NO MISSING MSG", state=child)
# test exact name
has_equal_part('name', arg_names_msg or MSG_BAD_ARG_NAME, arg_state)
if arg_defaults:
# test whether is default
has_equal_part('is_default', arg_defaults_msg or MSG_BAD_DEFAULT, arg_state)
# test default value, use if to prevent running a process no default
if arg_state.solution_parts['is_default']:
has_equal_value(arg_defaults_msg or MSG_INC_DEFAULT, "error message", state = arg_state)
# test *args and **kwargs
if child.solution_parts['*args']:
vararg = check_part('*args', "", missing_msg = MSG_NO_VARARG, state = child)
has_equal_part('name', MSG_VARARG_NAME, vararg)
if child.solution_parts['**kwargs']:
kwarg = check_part('**kwargs', "", missing_msg = MSG_NO_KWARGS, state = child)
has_equal_part('name', MSG_KWARG_NAME, kwarg)
def test_args(arg_names, arg_defaults,
nb_args_msg, arg_names_msg, arg_defaults_msg,
child, quiet_child):
if arg_names or arg_defaults:
# test number of args
has_equal_part_len('_spec1_args', nb_args_msg or MSG_NUM_ARGS, state=quiet_child)
# iterate over each arg, testing name and default
for ii in range(len(child.solution_parts['_spec1_args'])):
# get argument state
arg_state = check_part_index('_spec1_args', ii, 'argument', "NO MISSING MSG", expand_msg="", state=child)
# test exact name
has_equal_part('name', arg_names_msg or MSG_BAD_ARG_NAME, arg_state)
if arg_defaults:
# test whether is default
has_equal_part('is_default', arg_defaults_msg or MSG_BAD_DEFAULT, arg_state)
# test default value, use if to prevent running a process no default
if arg_state.solution_parts['is_default']:
has_equal_value(incorrect_msg = arg_defaults_msg or MSG_INC_DEFAULT, error_msg="error message", append=True, state=arg_state)
# test *args and **kwargs
if child.solution_parts['*args']:
vararg = check_part('*args', "", missing_msg=MSG_NO_VARARG, expand_msg="", state=child)
has_equal_part('name', MSG_VARARG_NAME, state=vararg)
if child.solution_parts['**kwargs']:
kwarg = check_part('**kwargs', "", missing_msg=MSG_NO_KWARGS, expand_msg="", state=child)
has_equal_part('name', MSG_KWARG_NAME, state=kwarg)
def test_with(
index,
context_vals=False, # whether to check number of context vals
context_tests=None, # check on context expressions
body=None,
undefined_msg=None,
context_vals_len_msg=None,
context_vals_msg=None,
expand_message=True,
state=None):
"""Test a with statement.
with open_file('...') as bla:
[ open_file('...').__enter__() ]
with open_file('...') as file:
[ ]
"""
rep = Reporter.active_reporter
rep.set_tag("fun", "test_with")
check_with = partial(check_node,
'withs',
index - 1,
"`with` statement",
MSG_MISSING,
state=state)
child = check_with(MSG_PREPEND if expand_message else "")
child2 = check_with(MSG_PREPEND2 if expand_message else "")
quiet_child = quiet(1, child)
if context_vals:
# test num context vars ----
too_many = len(child.student_parts['context']) > len(
child.solution_parts['context'])
if too_many:
_msg = child.build_message(MSG_NUM_CTXT)
rep.do_test(Test(Feedback(_msg, child.student_tree)))
# test context var names ----
for i in range(len(child.solution_parts['context'])):
ctxt_state = check_part_index('context', i, "", state=child)
has_equal_part('target_vars', MSG_CTXT_NAMES, state=ctxt_state)
# Context sub tests ----
if context_tests and not isinstance(context_tests, list):
context_tests = [context_tests]
for i, context_test in enumerate(context_tests or []):
# partial the substate check, because the function uses two prepended messages
check_context = partial(check_part_index, 'context', i,
"%s context" % utils.get_ord(i + 1),
MSG_NUM_CTXT2)
check_context(state=child) # test exist
ctxt_state = check_context(state=child2) # sub tests
multi(context_test, state=ctxt_state)
# Body sub tests ----
if body is not None:
body_state = check_part('body', 'body', state=child2)
with_context(body, state=body_state)
