Create test_containers.py

tests/test_containers.py

@@ -0,0 +1,44 @@
+# Copyright 2023 Serket 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
+#
+#     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.
+
+from __future__ import annotations
+
+import jax.random as jr
+
+import serket as sk
+
+
+def test_sequential_without_key():
+    layer = sk.nn.Sequential(lambda x: x + 1, lambda x: x * 2)
+    assert layer(1) == 4
+
+
+def test_sequential_with_key():
+    layer = sk.nn.Sequential(lambda x: x + 1, lambda x: x * 2)
+    assert layer(1, key=jr.PRNGKey(0)) == 4
+
+
+def test_random_apply():
+    layer = sk.nn.RandomApply(lambda x: x + 1, rate=1.0)
+    assert layer(1, key=jr.PRNGKey(0)) == 2
+    layer = sk.nn.RandomApply(lambda x: x + 1, rate=0.0)
+    assert layer(1, key=jr.PRNGKey(0)) == 1
+
+
+def test_random_choice():
+    layer = sk.nn.RandomChoice(lambda x: x + 2, lambda x: x * 2)
+    key = jr.PRNGKey(0)
+    assert layer(1, key=key) == 3.0
+    key = jr.PRNGKey(10)
+    assert layer(1, key=key) == 2.0