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# Copyright 2018 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import pytest
from google.protobuf import struct_pb2
import proto
def test_value_primitives_read():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
assert Foo(value=3).value == 3.0
assert Foo(value="3").value == "3"
assert Foo(value=None).value is None
assert Foo(value=False).value is False
assert Foo(value=True).value is True
def test_value_absent():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
assert Foo().value is None
def test_value_primitives_rmw():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
foo = Foo()
foo.value = 3
assert isinstance(foo.value, float)
assert abs(Foo.pb(foo).value.number_value - 3.0) < 1e-7
foo.value = False
assert not foo.value
assert foo.value is False
assert Foo.pb(foo).value.WhichOneof("kind") == "bool_value"
foo.value = None
assert not foo.value
assert foo.value is None
assert Foo.pb(foo).value.WhichOneof("kind") == "null_value"
def test_value_write_pb():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
foo = Foo(value=struct_pb2.Value(string_value="stringy"))
assert foo.value == "stringy"
def test_value_lists_read():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
foo = Foo(value=["3", None, "foo", True])
assert foo.value == ["3", None, "foo", True]
def test_value_lists_null():
class Foo(proto.Message):
value = proto.Field(struct_pb2.ListValue, number=1)
foo = Foo()
assert foo.value is None
def test_value_struct_null():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Struct, number=1)
foo = Foo()
assert foo.value is None
def test_value_lists_rmw():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
foo = Foo(value=["3", None, "foo", True])
foo.value.append("bar")
foo.value.pop(1)
assert foo.value == ["3", "foo", True, "bar"]
def test_value_lists_nested():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
foo = Foo(value=[[True, False], [True, False]])
foo.value.append([False, True])
assert foo.value == [[True, False], [True, False], [False, True]]
def test_value_lists_struct():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
foo = Foo(value=[{"foo": "bar", "spam": "eggs"}])
assert foo.value == [{"foo": "bar", "spam": "eggs"}]
def test_value_lists_detachment():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
foo = Foo(value=["foo", "bar"])
detached_list = foo.value
detached_list.append("baz")
assert foo.value == ["foo", "bar", "baz"]
def test_value_structs_read():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
foo = Foo(value={"foo": True, "bar": False})
assert foo.value == {"foo": True, "bar": False}
def test_value_structs_rmw():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
foo = Foo(value={"foo": True, "bar": False})
foo.value["baz"] = "a string"
assert foo.value == {"foo": True, "bar": False, "baz": "a string"}
def test_value_structs_nested():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
foo = Foo(value={"foo": True, "bar": {"spam": "eggs"}})
assert foo.value == {"foo": True, "bar": {"spam": "eggs"}}
sv = Foo.pb(foo).value.struct_value
assert sv["foo"] is True
assert sv["bar"].fields["spam"].string_value == "eggs"
def test_value_invalid_value():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
with pytest.raises(ValueError):
Foo(value=object())
def test_value_unset():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Value, number=1)
foo = Foo()
assert "value" not in foo
def test_list_value_read():
class Foo(proto.Message):
value = proto.Field(struct_pb2.ListValue, number=1)
foo = Foo(value=["foo", "bar", True, {"spam": "eggs"}])
assert foo.value == ["foo", "bar", True, {"spam": "eggs"}]
def test_list_value_pb():
class Foo(proto.Message):
value = proto.Field(struct_pb2.ListValue, number=1)
foo = Foo(
value=struct_pb2.ListValue(
values=[
struct_pb2.Value(string_value="foo"),
struct_pb2.Value(string_value="bar"),
struct_pb2.Value(bool_value=True),
]
)
)
assert foo.value == ["foo", "bar", True]
def test_list_value_reassignment():
class Foo(proto.Message):
value = proto.Field(struct_pb2.ListValue, number=1)
foo = Foo(value=["foo", "bar"])
detached = foo.value
detached.append(True)
foo.value = detached
assert foo.value == ["foo", "bar", True]
def test_list_value_invalid():
class Foo(proto.Message):
value = proto.Field(struct_pb2.ListValue, number=1)
with pytest.raises(TypeError):
Foo(value=3)
def test_struct_read():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Struct, number=1)
foo = Foo(value={"foo": "bar", "bacon": True})
assert foo.value == {"foo": "bar", "bacon": True}
def test_struct_pb():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Struct, number=1)
foo = Foo(
value=struct_pb2.Struct(
fields={
"foo": struct_pb2.Value(string_value="bar"),
"bacon": struct_pb2.Value(bool_value=True),
}
)
)
assert foo.value == {"foo": "bar", "bacon": True}
def test_struct_reassignment():
class Foo(proto.Message):
value = proto.Field(struct_pb2.Struct, number=1)
foo = Foo(value={"foo": "bar"})
detached = foo.value
detached["bacon"] = True
foo.value = detached
assert foo.value == {"foo": "bar", "bacon": True}
def test_struct_nested():
class Foo(proto.Message):
struct_field: struct_pb2.Struct = proto.Field(
proto.MESSAGE,
number=1,
message=struct_pb2.Struct,
)
class Bar(proto.Message):
foo_field: Foo = proto.Field(
proto.MESSAGE,
number=1,
message=Foo,
)
foo = Foo({"struct_field": {"foo": "bagel"}})
assert foo.struct_field == {"foo": "bagel"}
bar = Bar({"foo_field": {"struct_field": {"foo": "cheese"}}})
assert bar.foo_field == Foo({"struct_field": {"foo": "cheese"}})
assert bar.foo_field.struct_field == {"foo": "cheese"}
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