def test_merge(self):
metadata1 = FunctionMetadata("main", "Desc of main.\n",
"Returns 0 on success", {
"argc": ("argc desc", None),
"argv": ("argv desc", None)
}, {"opt":
("opt desc", int, 88)}, {"self", "A"})
metadata2 = FunctionMetadata(
"process", "Desc of process.\n", "Returns the processed stuff.", {
"argc": ("argc desc from process", int),
"to_process": ("to_process desc", int)
}, {"opt2": ("opt2 desc", str, "hello")}, {"self", "B"})
metadata3 = FunctionMetadata("nodesc", "", "", {}, {})
merged_metadata = FunctionMetadata.merge(metadata1, metadata2,
metadata3)
self.assertEqual(merged_metadata.name,
"<Merged signature of 'main', 'process', 'nodesc'>")
self.assertEqual(merged_metadata.desc, "Desc of process.\n")
self.assertEqual(merged_metadata.retval_desc,
"Returns the processed stuff.")
self.assertEqual(
merged_metadata.non_optional_params, {
"argc": ("argc desc from process", int),
"argv": ("argv desc", None),
"to_process": ("to_process desc", int)
})
self.assertEqual(merged_metadata.optional_params, {
"opt": ("opt desc", int, 88),
"opt2": ("opt2 desc", str, "hello")
})
self.assertEqual(merged_metadata.omit, frozenset({"self", "A", "B"}))
def get_metadata(cls):
metadata = FunctionMetadata(
'run',
optional_params=cls.get_optional_params(),
non_optional_params=cls.get_non_optional_params())
metadata.desc = inspect.getdoc(cls)
return metadata
def test_construction(self):
self.assertRaises(TypeError, FunctionMetadata, 5)
self.assertRaises(TypeError, FunctionMetadata, "name", desc=5)
self.assertRaises(TypeError, FunctionMetadata, "name", retval_desc=5)
self.assertRaises(TypeError, FunctionMetadata, "name", non_optional_params=5)
self.assertRaises(TypeError, FunctionMetadata, "name", optional_params=5)
self.assertRaises(TypeError, FunctionMetadata.from_function, 5)
self.assertRaises(TypeError, FunctionMetadata.from_function, self.test_construction, 5)
self.check_function_metadata_data_set(FunctionMetadata("name"), "name")
def test_merge(self):
metadata1 = FunctionMetadata('main', 'Desc of main.\n',
'Returns 0 on success', {
'argc': ('argc desc', None),
'argv': ('argv desc', None)
}, {'opt': ('opt desc', int, 88)},
{'self', 'A'}, {'test1'})
metadata2 = FunctionMetadata(
'process', 'Desc of process.\n', 'Returns the processed stuff.', {
'argc': ('argc desc from process', int),
'to_process': ('to_process desc', int)
}, {'opt2': ('opt2 desc', str, 'hello')}, {'self', 'B'}, {'test2'})
metadata3 = FunctionMetadata('nodesc', '', '', {}, {})
merged_metadata = FunctionMetadata.merge(metadata1, metadata2,
metadata3)
self.assertEqual(merged_metadata.name,
"<Merged signature of 'main', 'process', 'nodesc'>")
self.assertEqual(merged_metadata.desc, 'Desc of process.\n')
self.assertEqual(merged_metadata.retval_desc,
'Returns the processed stuff.')
self.assertEqual(
merged_metadata.non_optional_params, {
'argc': ('argc desc from process', int),
'argv': ('argv desc', None),
'to_process': ('to_process desc', int)
})
self.assertEqual(merged_metadata.optional_params, {
'opt': ('opt desc', int, 88),
'opt2': ('opt2 desc', str, 'hello')
})
self.assertEqual(merged_metadata.omit, frozenset({'self', 'A', 'B'}))
self.assertEqual(merged_metadata.deprecated_params,
frozenset({'test1', 'test2'}))
def test_add_deprecated_param(self):
uut = FunctionMetadata(
"test",
non_optional_params={'not_optional': ('desc', str)},
optional_params={'optional': ('desc2', str, 'default')})
uut.add_deprecated_param('optional', 'old_optional')
uut.add_deprecated_param('not_optional', 'old_not_optional')
self.assertEqual(uut.non_optional_params,
{'not_optional': ('desc', str)})
self.assertEqual(uut.optional_params,
{'optional': ('desc2', str, 'default'),
'old_optional': ('desc2', str, 'default'),
'old_not_optional': ('desc', str, None)})
def test_from_function(self):
uut = FunctionMetadata.from_function(self.test_from_function)
self.check_function_metadata_data_set(uut, "test_from_function")
# setattr on bound methods will fail, vars() will use the dict from
# the unbound method which is ok.
vars(self.test_from_function)["__metadata__"] = (
FunctionMetadata("t"))
uut = FunctionMetadata.from_function(self.test_from_function)
self.check_function_metadata_data_set(uut, "t")
uut = FunctionMetadata.from_function(TestClass(5, 5).__init__)
self.check_function_metadata_data_set(
uut,
"__init__",
desc="Description",
retval_desc="ret",
non_optional_params={
"param1": (uut.str_nodesc, None),
"param2": ("d", None)
},
optional_params={
"param3": (uut.str_nodesc + " ("
+ uut.str_optional.format("5") + ")",
None, 5),
"param4": ("p4 desc ("
+ uut.str_optional.format("6") + ")", int, 6)})
uut = FunctionMetadata.from_function(TestClass(5, 5).__init__,
omit={"param3", "param2"})
self.check_function_metadata_data_set(
uut,
"__init__",
desc="Description",
retval_desc="ret",
non_optional_params={
"param1": (uut.str_nodesc,
None)
},
optional_params={
"param4": ("p4 desc (" + uut.str_optional.format("6") + ")",
int,
6)})
def test_from_function(self):
uut = FunctionMetadata.from_function(self.test_from_function)
self.check_function_metadata_data_set(uut, 'test_from_function')
# setattr on bound methods will fail, vars() will use the dict from
# the unbound method which is ok.
vars(self.test_from_function)['__metadata__'] = (FunctionMetadata('t'))
uut = FunctionMetadata.from_function(self.test_from_function)
self.check_function_metadata_data_set(uut, 't')
uut = FunctionMetadata.from_function(TestClass(5, 5).__init__)
self.check_function_metadata_data_set(
uut,
'__init__',
desc='Description',
retval_desc='ret',
non_optional_params={
'param1': (uut.str_nodesc, None),
'param2': ('d', None)
},
optional_params={
'param3':
(uut.str_nodesc + ' (' + uut.str_optional.format('5') + ')',
None, 5),
'param4':
('p4 desc (' + uut.str_optional.format('6') + ')', int, 6)
})
uut = FunctionMetadata.from_function(TestClass(5, 5).__init__,
omit={'param3', 'param2'})
self.check_function_metadata_data_set(
uut,
'__init__',
desc='Description',
retval_desc='ret',
non_optional_params={'param1': (uut.str_nodesc, None)},
optional_params={
'param4':
('p4 desc (' + uut.str_optional.format('6') + ')', int, 6)
})
def test_construction(self):
self.check_function_metadata_data_set(FunctionMetadata('name'), 'name')
