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# coding: spec
import collections
import collections.abc
from unittest import mock
from dict2xml import DataSorter, Node
describe "Node":
it "determines type at instantiation":
assert Node(data={}).type == "mapping"
assert Node(data=[]).type == "iterable"
for d in ["", "asdf", "", "asdf", 0, 1, False, True]:
assert Node(data=d).type == "flat"
describe "Handling entities":
it "will change string data to take entities into account":
node = Node(data="<2&a>")
assert node.data == "<2&a>"
describe "Determining type":
def assertType(self, *datas, **kwargs):
expected = kwargs.get("expected", None)
for d in datas:
assert Node(data=d).determine_type() == expected
it "says strings are flat":
self.assertType("", "asdf", "", "asdf", expected="flat")
it "says numbers and booleans are flat":
self.assertType(0, 1, False, True, expected="flat")
it "says anything that implements __iter__ is an iterable":
class IterableObject(object):
def __iter__(s):
return []
self.assertType((), [], set(), IterableObject(), expected="iterable")
it "says anything that is a dict or subclass of collections.Mapping is a mapping":
class MappingObject(collections.abc.Mapping):
def __len__(s):
return 0
def __iter__(s):
return []
def __getitem__(s, key):
return key
self.assertType({}, MappingObject(), expected="mapping")
it "can't determine if an object is a mapping if it isn't sublass of collections.Mapping":
# Would be great if possible, but doesn't seem to be :(
class WantsToBeMappingObject(object):
def __iter__(s):
return []
def __getitem__(s, key):
return key
self.assertType(WantsToBeMappingObject(), expected="iterable")
describe "Conversion":
it "returns list of Nodes with key as wrap and item as data if type is mapping":
called = []
nodes = [mock.Mock(name="n{0}".format(i)) for i in range(3)]
def N(*args, **kwargs):
called.append(1)
return nodes[len(called) - 1]
ds = DataSorter()
irw = mock.Mock("irw")
ctf = mock.Mock("ctf")
FakeNode = mock.Mock(name="Node", side_effect=N)
with mock.patch("dict2xml.logic.Node", FakeNode):
data = dict(a=1, b=2, c=3)
result = Node(
data=data, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
).convert()
assert result == ("", nodes)
assert FakeNode.mock_calls == [
mock.call(
"a", "", 1, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
mock.call(
"b", "", 2, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
mock.call(
"c", "", 3, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
]
it "respects the order of an OrderedDict":
called = []
nodes = [mock.Mock(name="n{0}".format(i)) for i in range(3)]
def N(*args, **kwargs):
called.append(1)
return nodes[len(called) - 1]
ds = DataSorter()
irw = mock.Mock("irw")
ctf = mock.Mock("ctf")
FakeNode = mock.Mock(name="Node", side_effect=N)
with mock.patch("dict2xml.logic.Node", FakeNode):
data = collections.OrderedDict([("b", 2), ("c", 3), ("a", 1)])
result = Node(
data=data, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
).convert()
assert result == ("", nodes)
assert FakeNode.mock_calls == [
mock.call(
"b", "", 2, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
mock.call(
"c", "", 3, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
mock.call(
"a", "", 1, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
]
it "can be told to also sort OrderedDict":
called = []
nodes = [mock.Mock(name="n{0}".format(i)) for i in range(3)]
def N(*args, **kwargs):
called.append(1)
return nodes[len(called) - 1]
ds = DataSorter.always()
irw = mock.Mock("irw")
ctf = mock.Mock("ctf")
FakeNode = mock.Mock(name="Node", side_effect=N)
with mock.patch("dict2xml.logic.Node", FakeNode):
data = collections.OrderedDict([("b", 2), ("c", 3), ("a", 1)])
result = Node(
data=data, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
).convert()
assert result == ("", nodes)
assert FakeNode.mock_calls == [
mock.call(
"a", "", 1, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
mock.call(
"b", "", 2, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
mock.call(
"c", "", 3, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
]
it "can be told to never sort":
called = []
nodes = [mock.Mock(name="n{0}".format(i)) for i in range(3)]
def N(*args, **kwargs):
called.append(1)
return nodes[len(called) - 1]
ds = DataSorter.never()
irw = mock.Mock("irw")
ctf = mock.Mock("ctf")
FakeNode = mock.Mock(name="Node", side_effect=N)
with mock.patch("dict2xml.logic.Node", FakeNode):
data = {"c": 3, "a": 1, "b": 2}
result = Node(
data=data, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
).convert()
assert result == ("", nodes)
assert FakeNode.mock_calls == [
mock.call(
"c", "", 3, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
mock.call(
"a", "", 1, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
mock.call(
"b", "", 2, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
]
it "returns list of Nodes with wrap as tag and item as data if type is iterable":
called = []
nodes = [mock.Mock(name="n{0}".format(i)) for i in range(3)]
def N(*args, **kwargs):
called.append(1)
return nodes[len(called) - 1]
ds = DataSorter()
irw = mock.Mock("irw")
ctf = mock.Mock("ctf")
FakeNode = mock.Mock(name="Node", side_effect=N)
with mock.patch("dict2xml.logic.Node", FakeNode):
data = [1, 2, 3]
result = Node(
data=data, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
).convert()
assert result == ("", nodes)
assert FakeNode.mock_calls == [
mock.call(
"", "", 1, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
mock.call(
"", "", 2, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
mock.call(
"", "", 3, iterables_repeat_wrap=irw, closed_tags_for=ctf, data_sorter=ds
),
]
it "returns data enclosed in tags made from self.tag if not iterable or mapping":
tag = "thing"
results = []
for d in [0, 1, "", "", "asdf", "qwer", False, True]:
val, children = Node(tag=tag, data=d).convert()
assert len(children) == 0
results.append(val)
assert results == [
"<thing>0</thing>",
"<thing>1</thing>",
"<thing></thing>",
"<thing></thing>",
"<thing>asdf</thing>",
"<thing>qwer</thing>",
"<thing>False</thing>",
"<thing>True</thing>",
]
it "returns data as is if not iterable or mapping and no self.tag":
tag = ""
results = []
for d in [0, 1, "", "", "asdf", "qwer", False, True]:
val, children = Node(tag=tag, data=d).convert()
assert len(children) == 0
results.append(val)
assert results == ["0", "1", "", "", "asdf", "qwer", "False", "True"]
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