patch for version 1.2

RELEASE.md

@@ -1,3 +1,42 @@
+# MindArmour 1.2.1
+
+## MindArmour 1.2.1 Release Notes
+
+### Major Features and Improvements
+
+### API Change
+
+#### Backwards Incompatible Change
+
+##### C++ API
+
+[Modify] ...
+[Add] ...
+[Delete] ...
+
+##### Java API
+
+[Add] ...
+
+#### Deprecations
+
+##### C++ API
+
+##### Java API
+
+### Bug fixes
+
+* [BUGFIX] Fix a bug of PGD method
+* [BUGFIX] Fix a bug of JSMA method
+
+### Contributors
+
+Thanks goes to these wonderful people:
+
+Liu Liu, Zhidan Liu, Luobin Liu and Xiulang Jin.
+
+Contributions of any kind are welcome!
+
 # MindArmour 1.2.0
 
 ## MindArmour 1.2.0 Release Notes

mindarmour/adv_robustness/attacks/gradient_method.py

@@ -75,7 +75,6 @@ class GradientMethod(Attack):
         else:
             with_loss_cell = WithLossCell(self._network, loss_fn)
             self._grad_all = GradWrapWithLoss(with_loss_cell)
-        self._grad_all.set_train()
 
     def generate(self, inputs, labels):
         """

mindarmour/adv_robustness/attacks/iterative_gradient_method.py

@@ -14,6 +14,7 @@
 """ Iterative gradient method attack. """
 from abc import abstractmethod
 
+import copy
 import numpy as np
 from PIL import Image, ImageOps
 
@@ -68,13 +69,14 @@ def _reshape_l1_projection(values, eps=3):
     return proj_x
 
 
-def _projection(values, eps, norm_level):
+def _projection(values, eps, clip_diff, norm_level):
     """
     Implementation of values normalization within eps.
 
     Args:
         values (numpy.ndarray): Input data.
         eps (float): Project radius.
+        clip_diff (float): Difference range of clip bounds.
         norm_level (Union[int, char, numpy.inf]): Order of the norm. Possible
             values: np.inf, 1 or 2.
 
@@ -88,12 +90,12 @@ def _projection(values, eps, norm_level):
     if norm_level in (1, '1'):
         sample_batch = values.shape[0]
         x_flat = values.reshape(sample_batch, -1)
-        proj_flat = _reshape_l1_projection(x_flat, eps)
+        proj_flat = _reshape_l1_projection(x_flat, eps*clip_diff)
         return proj_flat.reshape(values.shape)
     if norm_level in (2, '2'):
         return eps*normalize_value(values, norm_level)
     if norm_level in (np.inf, 'inf'):
-        return eps*np.sign(values)
+        return eps*clip_diff*np.sign(values)
     msg = 'Values of `norm_level` different from 1, 2 and `np.inf` are ' \
           'currently not supported.'
     LOGGER.error(TAG, msg)
@@ -132,7 +134,6 @@ class IterativeGradientMethod(Attack):
             self._loss_grad = network
         else:
             self._loss_grad = GradWrapWithLoss(WithLossCell(self._network, loss_fn))
-        self._loss_grad.set_train()
 
     @abstractmethod
     def generate(self, inputs, labels):
@@ -407,10 +408,12 @@ class ProjectedGradientDescent(BasicIterativeMethod):
             np.inf, 1 or 2. Default: 'inf'.
         loss_fn (Loss): Loss function for optimization. If None, the input network \
             is already equipped with loss function. Default: None.
+        random_start (bool): If True, use random perturbs at the beginning. If False,
+            start from original samples.
     """
 
     def __init__(self, network, eps=0.3, eps_iter=0.1, bounds=(0.0, 1.0),
-                 is_targeted=False, nb_iter=5, norm_level='inf', loss_fn=None):
+                 is_targeted=False, nb_iter=5, norm_level='inf', loss_fn=None, random_start=False):
         super(ProjectedGradientDescent, self).__init__(network,
                                                        eps=eps,
                                                        eps_iter=eps_iter,
@@ -419,6 +422,10 @@ class ProjectedGradientDescent(BasicIterativeMethod):
                                                        nb_iter=nb_iter,
                                                        loss_fn=loss_fn)
         self._norm_level = check_norm_level(norm_level)
+        self._random_start = check_param_type('random_start', random_start, bool)
+
+    def _get_random_start(self, inputs):
+        return inputs + np.random.uniform(-self._eps, self._eps, size=inputs.shape).astype(np.float32)
 
     def generate(self, inputs, labels):
         """
@@ -442,33 +449,29 @@ class ProjectedGradientDescent(BasicIterativeMethod):
         """
         inputs_image, inputs, labels = check_inputs_labels(inputs, labels)
         arr_x = inputs_image
+        adv_x = copy.deepcopy(inputs_image)
         if self._bounds is not None:
             clip_min, clip_max = self._bounds
             clip_diff = clip_max - clip_min
-            for _ in range(self._nb_iter):
-                adv_x = self._attack.generate(inputs, labels)
-                perturs = _projection(adv_x - arr_x,
-                                      self._eps,
-                                      norm_level=self._norm_level)
-                perturs = np.clip(perturs, (0 - self._eps)*clip_diff,
-                                  self._eps*clip_diff)
-                adv_x = arr_x + perturs
-                if isinstance(inputs, tuple):
-                    inputs = (adv_x,) + inputs[1:]
-                else:
-                    inputs = adv_x
         else:
-            for _ in range(self._nb_iter):
-                adv_x = self._attack.generate(inputs, labels)
-                perturs = _projection(adv_x - arr_x,
-                                      self._eps,
-                                      norm_level=self._norm_level)
-                adv_x = arr_x + perturs
-                adv_x = np.clip(adv_x, arr_x - self._eps, arr_x + self._eps)
-                if isinstance(inputs, tuple):
-                    inputs = (adv_x,) + inputs[1:]
-                else:
-                    inputs = adv_x
+            clip_diff = 1
+        if self._random_start:
+            inputs = self._get_random_start(inputs)
+        for _ in range(self._nb_iter):
+            inputs_tensor = to_tensor_tuple(inputs)
+            labels_tensor = to_tensor_tuple(labels)
+            out_grad = self._loss_grad(*inputs_tensor, *labels_tensor)
+            gradient = out_grad.asnumpy()
+            perturbs = _projection(gradient, self._eps_iter, clip_diff, norm_level=self._norm_level)
+            sum_perturbs = adv_x - arr_x + perturbs
+            sum_perturbs = np.clip(sum_perturbs, (0 - self._eps)*clip_diff, self._eps*clip_diff)
+            adv_x = arr_x + sum_perturbs
+            if self._bounds is not None:
+                adv_x = np.clip(adv_x, clip_min, clip_max)
+            if isinstance(inputs, tuple):
+                inputs = (adv_x,) + inputs[1:]
+            else:
+                inputs = adv_x
         return adv_x
 
 

mindarmour/adv_robustness/attacks/jsma.py

@@ -134,7 +134,6 @@ class JSMAAttack(Attack):
         ori_shape = data.shape
         temp = data.flatten()
         bit_map = np.ones_like(temp)
-        fake_res = np.zeros_like(data)
         counter = np.zeros_like(temp)
         perturbed = np.copy(temp)
         for _ in range(self._max_iter):
@@ -167,7 +166,7 @@ class JSMAAttack(Attack):
                 bit_map[p2_ind] = 0
             perturbed = np.clip(perturbed, self._min, self._max)
         LOGGER.debug(TAG, 'fail to find adversarial sample.')
-        return fake_res
+        return perturbed.reshape(ori_shape)
 
     def generate(self, inputs, labels):
         """

mindarmour/adv_robustness/defenses/adversarial_defense.py

@@ -136,6 +136,7 @@ class AdversarialDefenseWithAttacks(AdversarialDefense):
                                                    replace_ratio,
                                                    0, 1)
         self._graph_initialized = False
+        self._train_net.set_train()
 
     def defense(self, inputs, labels):
         """

mindarmour/adv_robustness/defenses/projected_adversarial_defense.py

@@ -39,6 +39,8 @@ class ProjectedAdversarialDefense(AdversarialDefenseWithAttacks):
         nb_iter (int): PGD attack parameters, number of iteration.
             Default: 5.
         norm_level (str): Norm type. 'inf' or 'l2'. Default: 'inf'.
+        random_start (bool): If True, use random perturbs at the beginning. If False,
+            start from original samples.
 
     Examples:
         >>> net = Net()
@@ -54,14 +56,16 @@ class ProjectedAdversarialDefense(AdversarialDefenseWithAttacks):
                  eps=0.3,
                  eps_iter=0.1,
                  nb_iter=5,
-                 norm_level='inf'):
+                 norm_level='inf',
+                 random_start=True):
         attack = ProjectedGradientDescent(network,
                                           eps=eps,
                                           eps_iter=eps_iter,
                                           nb_iter=nb_iter,
                                           bounds=bounds,
                                           norm_level=norm_level,
-                                          loss_fn=loss_fn)
+                                          loss_fn=loss_fn,
+                                          random_start=random_start)
         super(ProjectedAdversarialDefense, self).__init__(
             network, [attack], loss_fn=loss_fn, optimizer=optimizer,
             bounds=bounds, replace_ratio=replace_ratio)

setup.py

@@ -20,7 +20,7 @@ from setuptools import setup
 from setuptools.command.egg_info import egg_info
 from setuptools.command.build_py import build_py
 
-version = '1.2.0'
+version = '1.2.1'
 cur_dir = os.path.dirname(os.path.realpath(__file__))
 pkg_dir = os.path.join(cur_dir, 'build')
 

tests/ut/python/adv_robustness/attacks/black/test_hsja.py

@@ -26,7 +26,6 @@ from mindarmour.utils.logger import LogUtil
 from tests.ut.python.utils.mock_net import Net
 
 context.set_context(mode=context.GRAPH_MODE)
-context.set_context(device_target="Ascend")
 
 LOGGER = LogUtil.get_instance()
 TAG = 'HopSkipJumpAttack'
@@ -91,9 +90,9 @@ def test_hsja_mnist_attack():
     """
     hsja-Attack test
     """
+    context.set_context(device_target="Ascend")
     current_dir = os.path.dirname(os.path.abspath(__file__))
 
-
     # get test data
     test_images_set = np.load(os.path.join(current_dir,
                                            '../../../dataset/test_images.npy'))
@@ -159,6 +158,7 @@ def test_hsja_mnist_attack():
 @pytest.mark.env_card
 @pytest.mark.component_mindarmour
 def test_value_error():
+    context.set_context(device_target="Ascend")
     model = get_model()
     norm = 'l2'
     with pytest.raises(ValueError):

tests/ut/python/adv_robustness/attacks/black/test_nes.py

@@ -26,7 +26,6 @@ from mindarmour.utils.logger import LogUtil
 from tests.ut.python.utils.mock_net import Net
 
 context.set_context(mode=context.GRAPH_MODE)
-context.set_context(device_target="Ascend")
 
 LOGGER = LogUtil.get_instance()
 TAG = 'HopSkipJumpAttack'
@@ -103,6 +102,7 @@ def nes_mnist_attack(scene, top_k):
     """
     hsja-Attack test
     """
+    context.set_context(device_target="Ascend")
     current_dir = os.path.dirname(os.path.abspath(__file__))
     test_images, test_labels = get_dataset(current_dir)
     model = get_model(current_dir)
@@ -167,6 +167,7 @@ def nes_mnist_attack(scene, top_k):
 @pytest.mark.component_mindarmour
 def test_nes_query_limit():
     # scene is in ['Query_Limit', 'Partial_Info', 'Label_Only']
+    context.set_context(device_target="Ascend")
     scene = 'Query_Limit'
     nes_mnist_attack(scene, top_k=-1)
 
@@ -178,6 +179,7 @@ def test_nes_query_limit():
 @pytest.mark.component_mindarmour
 def test_nes_partial_info():
     # scene is in ['Query_Limit', 'Partial_Info', 'Label_Only']
+    context.set_context(device_target="Ascend")
     scene = 'Partial_Info'
     nes_mnist_attack(scene, top_k=5)
 
@@ -189,6 +191,7 @@ def test_nes_partial_info():
 @pytest.mark.component_mindarmour
 def test_nes_label_only():
     # scene is in ['Query_Limit', 'Partial_Info', 'Label_Only']
+    context.set_context(device_target="Ascend")
     scene = 'Label_Only'
     nes_mnist_attack(scene, top_k=5)
 
@@ -200,6 +203,7 @@ def test_nes_label_only():
 @pytest.mark.component_mindarmour
 def test_value_error():
     """test that exception is raised for invalid labels"""
+    context.set_context(device_target="Ascend")
     with pytest.raises(ValueError):
         assert nes_mnist_attack('Label_Only', -1)
 
@@ -210,6 +214,7 @@ def test_value_error():
 @pytest.mark.env_card
 @pytest.mark.component_mindarmour
 def test_none():
+    context.set_context(device_target="Ascend")
     current_dir = os.path.dirname(os.path.abspath(__file__))
     model = get_model(current_dir)
     test_images, test_labels = get_dataset(current_dir)

tests/ut/python/adv_robustness/attacks/black/test_pointwise_attack.py

@@ -28,8 +28,6 @@ from mindarmour.utils.logger import LogUtil
 
 from tests.ut.python.utils.mock_net import Net
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-
 LOGGER = LogUtil.get_instance()
 TAG = 'Pointwise_Test'
 LOGGER.set_level('INFO')
@@ -57,6 +55,7 @@ def test_pointwise_attack_method():
     """
     Pointwise attack method unit test.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     np.random.seed(123)
     # upload trained network
     current_dir = os.path.dirname(os.path.abspath(__file__))

tests/ut/python/adv_robustness/attacks/black/test_salt_and_pepper_attack.py

@@ -26,8 +26,6 @@ from mindarmour import BlackModel
 from mindarmour.adv_robustness.attacks import SaltAndPepperNoiseAttack
 
 context.set_context(mode=context.GRAPH_MODE)
-context.set_context(device_target="Ascend")
-
 
 # for user
 class ModelToBeAttacked(BlackModel):
@@ -79,6 +77,7 @@ def test_salt_and_pepper_attack_method():
     """
     Salt and pepper attack method unit test.
     """
+    context.set_context(device_target="Ascend")
     batch_size = 6
     np.random.seed(123)
     net = SimpleNet()
@@ -105,6 +104,7 @@ def test_salt_and_pepper_attack_in_batch():
     """
     Salt and pepper attack method unit test in batch.
     """
+    context.set_context(device_target="Ascend")
     batch_size = 32
     np.random.seed(123)
     net = SimpleNet()

tests/ut/python/adv_robustness/attacks/test_batch_generate_attack.py

@@ -24,10 +24,6 @@ from mindspore.nn import Cell, SoftmaxCrossEntropyWithLogits
 
 from mindarmour.adv_robustness.attacks import FastGradientMethod
 
-
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-
-
 # for user
 class Net(Cell):
     """
@@ -118,6 +114,7 @@ def test_batch_generate_attack():
     """
     Attack with batch-generate.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     input_np = np.random.random((128, 10)).astype(np.float32)
     label = np.random.randint(0, 10, 128).astype(np.int32)
     label = np.eye(10)[label].astype(np.float32)

tests/ut/python/adv_robustness/attacks/test_cw.py

@@ -23,10 +23,6 @@ from mindspore import context
 
 from mindarmour.adv_robustness.attacks import CarliniWagnerL2Attack
 
-
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-
-
 # for user
 class Net(Cell):
     """
@@ -63,6 +59,7 @@ def test_cw_attack():
     """
     CW-Attack test
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     net = Net()
     input_np = np.array([[0.1, 0.2, 0.7, 0.5, 0.4]]).astype(np.float32)
     label_np = np.array([3]).astype(np.int64)
@@ -81,6 +78,7 @@ def test_cw_attack_targeted():
     """
     CW-Attack test
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     net = Net()
     input_np = np.array([[0.1, 0.2, 0.7, 0.5, 0.4]]).astype(np.float32)
     target_np = np.array([1]).astype(np.int64)

tests/ut/python/adv_robustness/attacks/test_deep_fool.py

@@ -24,7 +24,6 @@ from mindspore import Tensor
 
 from mindarmour.adv_robustness.attacks import DeepFool
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
 
 
 # for user
@@ -80,6 +79,7 @@ def test_deepfool_attack():
     """
     Deepfool-Attack test
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     net = Net()
     input_shape = (1, 5)
     _, classes = input_shape
@@ -105,6 +105,7 @@ def test_deepfool_attack_detection():
     """
     Deepfool-Attack test
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     net = Net2()
     inputs1_np = np.random.random((2, 10, 10)).astype(np.float32)
     inputs2_np = np.random.random((2, 10, 5)).astype(np.float32)
@@ -128,6 +129,7 @@ def test_deepfool_attack_inf():
     """
     Deepfool-Attack test
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     net = Net()
     input_shape = (1, 5)
     _, classes = input_shape
@@ -146,6 +148,7 @@ def test_deepfool_attack_inf():
 @pytest.mark.env_card
 @pytest.mark.component_mindarmour
 def test_value_error():
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     net = Net()
     input_shape = (1, 5)
     _, classes = input_shape

tests/ut/python/adv_robustness/attacks/test_iterative_gradient_method.py

@@ -29,9 +29,6 @@ from mindarmour.adv_robustness.attacks import IterativeGradientMethod
 from mindarmour.adv_robustness.attacks import DiverseInputIterativeMethod
 from mindarmour.adv_robustness.attacks import MomentumDiverseInputIterativeMethod
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-
-
 # for user
 class Net(Cell):
     """
@@ -65,6 +62,7 @@ def test_basic_iterative_method():
     """
     Basic iterative method unit test.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     input_np = np.asarray([[0.1, 0.2, 0.7]], np.float32)
     label = np.asarray([2], np.int32)
     label = np.eye(3)[label].astype(np.float32)
@@ -87,6 +85,7 @@ def test_momentum_iterative_method():
     """
     Momentum iterative method unit test.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     input_np = np.asarray([[0.1, 0.2, 0.7]], np.float32)
     label = np.asarray([2], np.int32)
     label = np.eye(3)[label].astype(np.float32)
@@ -108,6 +107,53 @@ def test_projected_gradient_descent_method():
     """
     Projected gradient descent method unit test.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
+    input_np = np.asarray([[0.1, 0.2, 0.7]], np.float32)
+    label = np.asarray([2], np.int32)
+    label = np.eye(3)[label].astype(np.float32)
+
+    for i in range(5):
+        attack = ProjectedGradientDescent(Net(), nb_iter=i + 1, loss_fn=SoftmaxCrossEntropyWithLogits(sparse=False))
+        ms_adv_x = attack.generate(input_np, label)
+
+        assert np.any(
+            ms_adv_x != input_np), 'Projected gradient descent method: ' \
+                                   'generate value must not be equal to' \
+                                   ' original value.'
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.env_card
+@pytest.mark.component_mindarmour
+def test_projected_gradient_descent_method_gpu():
+    """
+    Projected gradient descent method unit test.
+    """
+    context.set_context(mode=context.GRAPH_MODE, device_target="GPU")
+    input_np = np.asarray([[0.1, 0.2, 0.7]], np.float32)
+    label = np.asarray([2], np.int32)
+    label = np.eye(3)[label].astype(np.float32)
+
+    for i in range(5):
+        attack = ProjectedGradientDescent(Net(), nb_iter=i + 1, loss_fn=SoftmaxCrossEntropyWithLogits(sparse=False))
+        ms_adv_x = attack.generate(input_np, label)
+
+        assert np.any(
+            ms_adv_x != input_np), 'Projected gradient descent method: ' \
+                                   'generate value must not be equal to' \
+                                   ' original value.'
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_cpu
+@pytest.mark.env_card
+@pytest.mark.component_mindarmour
+def test_projected_gradient_descent_method_cpu():
+    """
+    Projected gradient descent method unit test.
+    """
+    context.set_context(mode=context.GRAPH_MODE, device_target="CPU")
     input_np = np.asarray([[0.1, 0.2, 0.7]], np.float32)
     label = np.asarray([2], np.int32)
     label = np.eye(3)[label].astype(np.float32)
@@ -131,6 +177,7 @@ def test_diverse_input_iterative_method():
     """
     Diverse input iterative method unit test.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     input_np = np.asarray([[0.1, 0.2, 0.7]], np.float32)
     label = np.asarray([2], np.int32)
     label = np.eye(3)[label].astype(np.float32)
@@ -151,6 +198,7 @@ def test_momentum_diverse_input_iterative_method():
     """
     Momentum diverse input iterative method unit test.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     input_np = np.asarray([[0.1, 0.2, 0.7]], np.float32)
     label = np.asarray([2], np.int32)
     label = np.eye(3)[label].astype(np.float32)
@@ -168,6 +216,7 @@ def test_momentum_diverse_input_iterative_method():
 @pytest.mark.env_card
 @pytest.mark.component_mindarmour
 def test_error():
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     attack = IterativeGradientMethod(Net(), bounds=(0.0, 1.0), loss_fn=SoftmaxCrossEntropyWithLogits(sparse=False))
     with pytest.raises(NotImplementedError):
         input_np = np.asarray([[0.1, 0.2, 0.7]], np.float32)

tests/ut/python/adv_robustness/attacks/test_lbfgs.py

@@ -26,9 +26,6 @@ from mindarmour.utils.logger import LogUtil
 
 from tests.ut.python.utils.mock_net import Net
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-
-
 LOGGER = LogUtil.get_instance()
 TAG = 'LBFGS_Test'
 LOGGER.set_level('DEBUG')
@@ -43,6 +40,7 @@ def test_lbfgs_attack():
     """
     LBFGS-Attack test
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     np.random.seed(123)
     # upload trained network
     current_dir = os.path.dirname(os.path.abspath(__file__))

tests/ut/python/adv_robustness/detectors/black/test_similarity_detector.py

@@ -24,8 +24,6 @@ from mindspore.ops.operations import Add
 
 from mindarmour.adv_robustness.detectors import SimilarityDetector
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-
 
 class EncoderNet(Cell):
     """
@@ -66,6 +64,7 @@ def test_similarity_detector():
     """
     Similarity detector unit test
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     # Prepare dataset
     np.random.seed(5)
     x_train = np.random.rand(1000, 32, 32, 3).astype(np.float32)

tests/ut/python/adv_robustness/detectors/test_ensemble_detector.py

@@ -26,8 +26,6 @@ from mindarmour.adv_robustness.detectors import ErrorBasedDetector
 from mindarmour.adv_robustness.detectors import RegionBasedDetector
 from mindarmour.adv_robustness.detectors import EnsembleDetector
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-
 
 class Net(Cell):
     """
@@ -74,6 +72,7 @@ def test_ensemble_detector():
     """
     Compute mindspore result.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     np.random.seed(6)
     adv = np.random.rand(4, 4).astype(np.float32)
     model = Model(Net())
@@ -97,6 +96,7 @@ def test_ensemble_detector():
 @pytest.mark.env_card
 @pytest.mark.component_mindarmour
 def test_error():
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     np.random.seed(6)
     adv = np.random.rand(4, 4).astype(np.float32)
     model = Model(Net())

tests/ut/python/adv_robustness/detectors/test_mag_net.py

@@ -26,8 +26,6 @@ from mindspore import context
 from mindarmour.adv_robustness.detectors import ErrorBasedDetector
 from mindarmour.adv_robustness.detectors import DivergenceBasedDetector
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-
 
 class Net(Cell):
     """
@@ -79,6 +77,7 @@ def test_mag_net():
     """
     Compute mindspore result.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     np.random.seed(5)
     ori = np.random.rand(4, 4, 4).astype(np.float32)
     np.random.seed(6)
@@ -100,6 +99,7 @@ def test_mag_net_transform():
     """
     Compute mindspore result.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     np.random.seed(6)
     adv = np.random.rand(4, 4, 4).astype(np.float32)
     model = Model(Net())
@@ -117,6 +117,7 @@ def test_mag_net_divergence():
     """
     Compute mindspore result.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     np.random.seed(5)
     ori = np.random.rand(4, 4, 4).astype(np.float32)
     np.random.seed(6)
@@ -140,6 +141,7 @@ def test_mag_net_divergence_transform():
     """
     Compute mindspore result.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     np.random.seed(6)
     adv = np.random.rand(4, 4, 4).astype(np.float32)
     encoder = Model(Net())
@@ -155,6 +157,7 @@ def test_mag_net_divergence_transform():
 @pytest.mark.env_card
 @pytest.mark.component_mindarmour
 def test_value_error():
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     np.random.seed(6)
     adv = np.random.rand(4, 4, 4).astype(np.float32)
     encoder = Model(Net())

tests/ut/python/adv_robustness/detectors/test_region_based_detector.py

@@ -25,9 +25,6 @@ from mindspore.ops.operations import Add
 from mindarmour.adv_robustness.detectors import RegionBasedDetector
 
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-
-
 class Net(Cell):
     """
     Construct the network of target model.
@@ -55,6 +52,7 @@ def test_region_based_classification():
     """
     Compute mindspore result.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     np.random.seed(5)
     ori = np.random.rand(4, 4).astype(np.float32)
     labels = np.array([[1, 0, 0, 0], [0, 0, 1, 0], [0, 0, 1, 0],
@@ -76,6 +74,7 @@ def test_region_based_classification():
 @pytest.mark.env_card
 @pytest.mark.component_mindarmour
 def test_value_error():
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     np.random.seed(5)
     ori = np.random.rand(4, 4).astype(np.float32)
     labels = np.array([[1, 0, 0, 0], [0, 0, 1, 0], [0, 0, 1, 0],

tests/ut/python/adv_robustness/detectors/test_spatial_smoothing.py

@@ -24,8 +24,6 @@ from mindspore import context
 
 from mindarmour.adv_robustness.detectors import SpatialSmoothing
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
-
 
 # for use
 class Net(Cell):
@@ -55,6 +53,7 @@ def test_spatial_smoothing():
     """
     Compute mindspore result.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     input_shape = (50, 3)
 
     np.random.seed(1)
@@ -84,6 +83,7 @@ def test_spatial_smoothing_diff():
     """
         Compute mindspore result.
     """
+    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
     input_shape = (50, 3)
     np.random.seed(1)
     input_np = np.random.randn(*input_shape).astype(np.float32)