def test_deserialize_polyfield(self, schema):
original = self.ContrivedShapeClass(
Rectangle('blue', 1, 100),
[Rectangle('pink', 4, 93),
Rectangle('red', 3, 90)], 'rectangle')
data = schema().load({
'main': {
'color': 'blue',
'length': 1,
'width': 100
},
'others': [{
'color': 'pink',
'length': 4,
'width': 93
}, {
'color': 'red',
'length': 3,
'width': 90
}],
'type':
'rectangle'
})
assert data == original
def test_serializing_polyfield_by_parent_type(field):
rect = Rectangle("blue", 4, 10)
Sticker = namedtuple('Sticker', ['shape', 'image', 'type'])
marshmallow_sticker = Sticker(rect, "marshmallow.png", 'rectangle')
rect_dict = field.serialize('shape', marshmallow_sticker)
assert rect_dict == {"length": 4, "width": 10, "color": "blue"}
def test_deserialize_polyfield(self):
original = self.ContrivedShapeClass(
Rectangle('blue', 1, 100),
[Rectangle('pink', 4, 93), Triangle('red', 8, 45)]
)
data = self.ContrivedShapeClassSchema().load(
{'main': {'color': 'blue',
'length': 1,
'width': 100},
'others': [
{'color': 'pink',
'length': 4,
'width': 93},
{'color': 'red',
'base': 8,
'height': 45}]}
)
assert data == original
def test_serializing_polyfield_by_parent_type():
rect = Rectangle("blue", 4, 10)
Sticker = namedtuple('Sticker', ['shape', 'image', 'type'])
marshmallow_sticker = Sticker(rect, "marshmallow.png", 'rectangle')
field = PolyField(serialization_schema_selector=
shape_property_schema_serialization_disambiguation,
deserialization_schema_selector=
shape_property_schema_deserialization_disambiguation)
rect_dict = field.serialize('shape', marshmallow_sticker)
assert rect_dict == {"length": 4, "width": 10, "color": "blue"}
def test_deserialize_polyfield_none(self, schema):
original = self.ContrivedShapeClass(Rectangle("blue", 1, 100), None)
data = schema().load({
'main': {
'color': 'blue',
'length': 1,
'width': 100
},
'others': None
})
assert data == original
def test_deserialize_polyfield(self):
original = self.ContrivedShapeClass(Rectangle('blue', 1, 100),
[Rectangle('pink', 4, 93)],
'rectangle')
data, errors = self.ContrivedShapeClassSchema(strict=True).load({
'main': {
'color': 'blue',
'length': 1,
'width': 100
},
'others': [{
'color': 'pink',
'length': 4,
'width': 93
}],
'type':
'rectangle'
})
assert not errors
assert data == original
def test_serializing_polyfield_many(field):
rect = Rectangle("blue", 4, 10)
tri = Triangle("red", 1, 100)
StickerCollection = namedtuple('StickerCollection', ['shapes', 'image'])
marshmallow_sticker_collection = StickerCollection([rect, tri],
"marshmallow.png")
shapes = field.serialize('shapes', marshmallow_sticker_collection)
expected_shapes = [{
"length": 4,
"width": 10,
"color": "blue"
}, {
"base": 1,
"height": 100,
"color": "red"
}]
assert shapes == expected_shapes
def test_serializing_polyfield_many():
rect = Rectangle("blue", 4, 10)
tri = Triangle("red", 1, 100)
StickerCollection = namedtuple('StickerCollection', ['shapes', 'image'])
marshmallow_sticker_collection = StickerCollection([rect, tri],
"marshmallow.png")
field = PolyField(
serialization_schema_selector=shape_schema_serialization_disambiguation,
deserialization_schema_selector=
shape_schema_deserialization_disambiguation,
many=True)
shapes = field.serialize('shapes', marshmallow_sticker_collection)
expected_shapes = [{
"length": 4,
"width": 10,
"color": "blue"
}, {
"base": 1,
"height": 100,
"color": "red"
}]
assert shapes == expected_shapes