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e4b9a7b | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | # Copyright 2020 MONAI Consortium
# 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
# http://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 itertools
import unittest
from monai.transforms.adaptors import FunctionSignature, adaptor, apply_alias, to_kwargs
class TestAdaptors(unittest.TestCase):
def test_function_signature(self):
def foo(image, label=None, *a, **kw):
pass
f = FunctionSignature(foo)
def test_single_in_single_out(self):
def foo(image):
return image * 2
it = itertools.product(["image", ["image"]], [None, "image", ["image"], {"image": "image"}])
for i in it:
d = {"image": 2}
dres = adaptor(foo, i[0], i[1])(d)
self.assertEqual(dres["image"], 4)
d = {"image": 2}
dres = adaptor(foo, "image")(d)
self.assertEqual(dres["image"], 4)
d = {"image": 2}
dres = adaptor(foo, "image", "image")(d)
self.assertEqual(dres["image"], 4)
d = {"image": 2}
dres = adaptor(foo, "image", {"image": "image"})(d)
self.assertEqual(dres["image"], 4)
d = {"img": 2}
dres = adaptor(foo, "img", {"img": "image"})(d)
self.assertEqual(dres["img"], 4)
d = {"img": 2}
dres = adaptor(foo, ["img"], {"img": "image"})(d)
self.assertEqual(dres["img"], 4)
def test_multi_in_single_out(self):
def foo(image, label):
return image * label
it = itertools.product(["image", ["image"]], [None, ["image", "label"], {"image": "image", "label": "label"}])
for i in it:
d = {"image": 2, "label": 3}
dres = adaptor(foo, i[0], i[1])(d)
self.assertEqual(dres["image"], 6)
self.assertEqual(dres["label"], 3)
it = itertools.product(
["newimage", ["newimage"]], [None, ["image", "label"], {"image": "image", "label": "label"}]
)
for i in it:
d = {"image": 2, "label": 3}
dres = adaptor(foo, i[0], i[1])(d)
self.assertEqual(dres["image"], 2)
self.assertEqual(dres["label"], 3)
self.assertEqual(dres["newimage"], 6)
it = itertools.product(["img", ["img"]], [{"img": "image", "lbl": "label"}])
for i in it:
d = {"img": 2, "lbl": 3}
dres = adaptor(foo, i[0], i[1])(d)
self.assertEqual(dres["img"], 6)
self.assertEqual(dres["lbl"], 3)
def test_default_arg_single_out(self):
def foo(a, b=2):
return a * b
d = {"a": 5}
dres = adaptor(foo, "c")(d)
self.assertEqual(dres["c"], 10)
d = {"b": 5}
with self.assertRaises(TypeError):
dres = adaptor(foo, "c")(d)
def test_multi_out(self):
def foo(a, b):
return a * b, a / b
d = {"a": 3, "b": 4}
dres = adaptor(foo, ["c", "d"])(d)
self.assertEqual(dres["c"], 12)
self.assertEqual(dres["d"], 3 / 4)
def test_dict_out(self):
def foo(a):
return {"a": a * 2}
d = {"a": 2}
dres = adaptor(foo, {"a": "a"})(d)
self.assertEqual(dres["a"], 4)
d = {"b": 2}
dres = adaptor(foo, {"a": "b"}, {"b": "a"})(d)
self.assertEqual(dres["b"], 4)
class TestApplyAlias(unittest.TestCase):
def test_apply_alias(self):
def foo(d):
d["x"] *= 2
return d
d = {"a": 1, "b": 3}
result = apply_alias(foo, {"b": "x"})(d)
self.assertDictEqual({"a": 1, "b": 6}, result)
class TestToKwargs(unittest.TestCase):
def test_to_kwargs(self):
def foo(**kwargs):
results = {k: v * 2 for k, v in kwargs.items()}
return results
def compose_like(fn, data):
data = fn(data)
return data
d = {"a": 1, "b": 2}
actual = compose_like(to_kwargs(foo), d)
self.assertDictEqual(actual, {"a": 2, "b": 4})
with self.assertRaises(TypeError):
actual = compose_like(foo, d)
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