Internal change.

PiperOrigin-RevId: 321742857

tensorflow_privacy/privacy/membership_inference_attack/data_structures_test.py

@@ -0,0 +1,39 @@
+# Copyright 2020, The TensorFlow Authors.
+#
+# 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.
+
+# Lint as: python3
+"""Tests for tensorflow_privacy.privacy.membership_inference_attack.data_structures."""
+from absl.testing import absltest
+import numpy as np
+from tensorflow_privacy.privacy.membership_inference_attack.data_structures import AttackInputData
+
+
+class AttackInputDataTest(absltest.TestCase):
+
+  def test_get_loss(self):
+    attack_input = AttackInputData(
+        logits_train=np.array([[0.3, 0.5, 0.2], [0.2, 0.3, 0.5]]),
+        logits_test=np.array([[0.2, 0.3, 0.5], [0.3, 0.5, 0.2]]),
+        labels_train=np.array([1, 0]),
+        labels_test=np.array([0, 1])
+    )
+
+    np.testing.assert_almost_equal(
+        attack_input.get_loss_train().tolist(), [0.5, 0.2])
+    np.testing.assert_almost_equal(
+        attack_input.get_loss_test().tolist(), [0.2, 0.5])
+
+
+if __name__ == '__main__':
+  absltest.main()