def test_loading_list_of_subforms(self):
f = load_json('{"inputs": {"items": [{"n": 10}, {"m": 11}]}}')
assert len(f.items) == 2
assert isinstance(f.items[0], Form)
assert isinstance(f.items[1], Form)
assert f.items[0].n == 10
assert f.items[1].m == 11
def test_dumping_list_of_subforms(self):
f = load_json('{"inputs": {"items": [{"n": 10}, {"m": 11}]}}')
f._enter_output_mode()
f.items[0].x = 100
f.items[0].y = 101
j = dump_json(f)
assert j == dedent(u'''\
{
"inputs": {
"items": [
{
"n": 10
},
{
"m": 11
}
]
},
"outputs": {
"items": [
{
"x": 100,
"y": 101
},
{}
]
}
}
''')
def test_dumping_form_preserves_inputs_and_includes_new_outputs(self):
for json in json_in, json_empty_output, json_filled_output:
f = load_json(json)
f._enter_output_mode()
process_form(f)
j = dump_json(f)
assert j == json_filled_output
def test_building_from_json_detects_many_digit_decimals(self):
f = load_json(u'{"inputs": {"line1": [["First Percent", "1.2"],'
' ["Second Percent", "4.56001"]]}}')
assert isinstance(f.line1[0][1], Decimal)
assert isinstance(f.line1[1][1], Decimal)
assert f.line1 == [["First Percent", Decimal('1.2')],
["Second Percent", Decimal('4.56001')]]
def test_building_from_json_detects_decimals_in_lists(self):
f = load_json(u'{"inputs": {"line1": [["First Bank", "1.23"],'
' ["Second Bank", "4.56"]]}}')
assert isinstance(f.line1[0][1], Decimal)
assert isinstance(f.line1[1][1], Decimal)
assert f.line1 == [["First Bank", Decimal('1.23')],
["Second Bank", Decimal('4.56')]]
def test_building_from_json_detects_decimals(self):
for json in json_in, json_empty_output, json_filled_output:
f = load_json(json)
self.assertIsInstance(f.Part_I.A.rents, Decimal)
self.assertIsInstance(f.Part_I.B.expenses, Decimal)
assert str(f.Part_I.A.rents) == '900.00'
assert str(f.Part_I.B.expenses) == '230.00'
def test_building_from_json_discards_old_outputs(self):
for json in json_in, json_empty_output, json_filled_output:
f = load_json(json)
assert f._outputs == []
with self.assertRaises(AttributeError):
f.A.profit
with self.assertRaises(AttributeError):
f.total_rents
def test_building_from_json_reads_inputs(self):
for json in json_in, json_empty_output, json_filled_output:
f = load_json(json)
assert f._inputs == ['form', 'ssn', 'name', 'Part_I']
assert f.form == 'rental_income'
assert f.ssn == '123-45-6789'
assert f.name == 'Lynn Smith'
self.assertIsInstance(f.Part_I, Form)
assert f.Part_I.A.address == '123 Main St, Ohio'
self.assertIsInstance(f.Part_I.B, Form)
def load(json_data):
form = formlib.load_json(json_data.decode('utf-8'))
if not hasattr(form, 'form_name'):
raise ValueError('your JSON "input" object'
' needs to specify a "form_name"')
form_module_name = 'luca.forms.' + form.form_name
try:
form_module = importlib.import_module(form_module_name)
except ImportError:
raise ValueError(
'cannot find a Luca form named {!r}'.format(form_module_name))
if hasattr(form_module, 'defaults'):
form._enter_default_mode()
form_module.defaults(form)
return form, form_module
def load(json_data):
form = formlib.load_json(json_data.decode('utf-8'))
if not hasattr(form, 'form_name'):
raise ValueError('your JSON "input" object'
' needs to specify a "form_name"')
form_module_name = 'luca.forms.' + form.form_name
try:
form_module = importlib.import_module(form_module_name)
except ImportError:
raise ValueError('cannot find a Luca form named {!r}'.format(
form_module_name))
if hasattr(form_module, 'defaults'):
form._enter_default_mode()
form_module.defaults(form)
return form, form_module
def test_dumping_form_includes_output_subforms(self):
f = load_json('{"inputs": {"A": {"a": 1}}}')
f._enter_output_mode()
f.B = Form()
f.B._enter_output_mode()
f.B.b = 2
j = dump_json(f)
assert j == dedent(u'''\
{
"inputs": {
"A": {
"a": 1
}
},
"outputs": {
"B": {
"b": 2
}
}
}
''')
def test_dumping_form_preserves_inputs(self):
for json in json_in, json_empty_output, json_filled_output:
f = load_json(json)
j = dump_json(f)
assert j == json_empty_output
def test_building_from_json_detects_negative_decimals(self):
f = load_json(u'{"inputs": {"value": "-100.23"}}')
self.assertIsInstance(f.value, Decimal)
assert str(f.value) == '-100.23'