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from netlib import tutils
from netlib.multidict import MultiDict, ImmutableMultiDict, MultiDictView
class _TMulti(object):
@staticmethod
def _kconv(key):
return key.lower()
class TMultiDict(_TMulti, MultiDict):
pass
class TImmutableMultiDict(_TMulti, ImmutableMultiDict):
pass
class TestMultiDict(object):
@staticmethod
def _multi():
return TMultiDict((
("foo", "bar"),
("bar", "baz"),
("Bar", "bam")
))
def test_init(self):
md = TMultiDict()
assert len(md) == 0
md = TMultiDict([("foo", "bar")])
assert len(md) == 1
assert md.fields == (("foo", "bar"),)
def test_repr(self):
assert repr(self._multi()) == (
"TMultiDict[('foo', 'bar'), ('bar', 'baz'), ('Bar', 'bam')]"
)
def test_getitem(self):
md = TMultiDict([("foo", "bar")])
assert "foo" in md
assert "Foo" in md
assert md["foo"] == "bar"
with tutils.raises(KeyError):
assert md["bar"]
md_multi = TMultiDict(
[("foo", "a"), ("foo", "b")]
)
assert md_multi["foo"] == "a"
def test_setitem(self):
md = TMultiDict()
md["foo"] = "bar"
assert md.fields == (("foo", "bar"),)
md["foo"] = "baz"
assert md.fields == (("foo", "baz"),)
md["bar"] = "bam"
assert md.fields == (("foo", "baz"), ("bar", "bam"))
def test_delitem(self):
md = self._multi()
del md["foo"]
assert "foo" not in md
assert "bar" in md
with tutils.raises(KeyError):
del md["foo"]
del md["bar"]
assert md.fields == ()
def test_iter(self):
md = self._multi()
assert list(md.__iter__()) == ["foo", "bar"]
def test_len(self):
md = TMultiDict()
assert len(md) == 0
md = self._multi()
assert len(md) == 2
def test_eq(self):
assert TMultiDict() == TMultiDict()
assert not (TMultiDict() == 42)
md1 = self._multi()
md2 = self._multi()
assert md1 == md2
md1.fields = md1.fields[1:] + md1.fields[:1]
assert not (md1 == md2)
def test_ne(self):
assert not TMultiDict() != TMultiDict()
assert TMultiDict() != self._multi()
assert TMultiDict() != 42
def test_hash(self):
"""
If a class defines mutable objects and implements an __eq__() method,
it should not implement __hash__(), since the implementation of hashable
collections requires that a key's hash value is immutable.
"""
with tutils.raises(TypeError):
assert hash(TMultiDict())
def test_get_all(self):
md = self._multi()
assert md.get_all("foo") == ["bar"]
assert md.get_all("bar") == ["baz", "bam"]
assert md.get_all("baz") == []
def test_set_all(self):
md = TMultiDict()
md.set_all("foo", ["bar", "baz"])
assert md.fields == (("foo", "bar"), ("foo", "baz"))
md = TMultiDict((
("a", "b"),
("x", "x"),
("c", "d"),
("X", "X"),
("e", "f"),
))
md.set_all("x", ["1", "2", "3"])
assert md.fields == (
("a", "b"),
("x", "1"),
("c", "d"),
("X", "2"),
("e", "f"),
("x", "3"),
)
md.set_all("x", ["4"])
assert md.fields == (
("a", "b"),
("x", "4"),
("c", "d"),
("e", "f"),
)
def test_add(self):
md = self._multi()
md.add("foo", "foo")
assert md.fields == (
("foo", "bar"),
("bar", "baz"),
("Bar", "bam"),
("foo", "foo")
)
def test_insert(self):
md = TMultiDict([("b", "b")])
md.insert(0, "a", "a")
md.insert(2, "c", "c")
assert md.fields == (("a", "a"), ("b", "b"), ("c", "c"))
def test_keys(self):
md = self._multi()
assert list(md.keys()) == ["foo", "bar"]
assert list(md.keys(multi=True)) == ["foo", "bar", "Bar"]
def test_values(self):
md = self._multi()
assert list(md.values()) == ["bar", "baz"]
assert list(md.values(multi=True)) == ["bar", "baz", "bam"]
def test_items(self):
md = self._multi()
assert list(md.items()) == [("foo", "bar"), ("bar", "baz")]
assert list(md.items(multi=True)) == [("foo", "bar"), ("bar", "baz"), ("Bar", "bam")]
def test_to_dict(self):
md = self._multi()
assert md.to_dict() == {
"foo": "bar",
"bar": ["baz", "bam"]
}
def test_state(self):
md = self._multi()
assert len(md.get_state()) == 3
assert md == TMultiDict.from_state(md.get_state())
md2 = TMultiDict()
assert md != md2
md2.set_state(md.get_state())
assert md == md2
class TestImmutableMultiDict(object):
def test_modify(self):
md = TImmutableMultiDict()
with tutils.raises(TypeError):
md["foo"] = "bar"
with tutils.raises(TypeError):
del md["foo"]
with tutils.raises(TypeError):
md.add("foo", "bar")
def test_hash(self):
assert hash(TImmutableMultiDict())
def test_with_delitem(self):
md = TImmutableMultiDict([("foo", "bar")])
assert md.with_delitem("foo").fields == ()
assert md.fields == (("foo", "bar"),)
def test_with_set_all(self):
md = TImmutableMultiDict()
assert md.with_set_all("foo", ["bar"]).fields == (("foo", "bar"),)
assert md.fields == ()
def test_with_insert(self):
md = TImmutableMultiDict()
assert md.with_insert(0, "foo", "bar").fields == (("foo", "bar"),)
class TParent(object):
def __init__(self):
self.vals = tuple()
def setter(self, vals):
self.vals = vals
def getter(self):
return self.vals
class TestMultiDictView(object):
def test_modify(self):
p = TParent()
tv = MultiDictView(p.getter, p.setter)
assert len(tv) == 0
tv["a"] = "b"
assert p.vals == (("a", "b"),)
tv["c"] = "b"
assert p.vals == (("a", "b"), ("c", "b"))
assert tv["a"] == "b"
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