Add test for rate throttle.
diff --git a/tests/src/whisk/core/controller/test/RateThrottleTests.scala b/tests/src/whisk/core/controller/test/RateThrottleTests.scala
new file mode 100644
index 0000000..a7b547b
--- /dev/null
+++ b/tests/src/whisk/core/controller/test/RateThrottleTests.scala
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2015-2016 IBM Corporation
+ *
+ * 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.
+ */
+
+package whisk.core.controller.test
+
+import scala.concurrent.duration.DurationInt
+
+import org.junit.runner.RunWith
+import org.scalatest.FlatSpec
+import org.scalatest.Matchers
+import org.scalatest.junit.JUnitRunner
+
+import whisk.common.TransactionId
+import whisk.core.entitlement._
+import whisk.core.entity.Subject
+
+/**
+ * Tests rate throttle.
+ *
+ * @Idioglossia
+ * "using Specification DSL to write unit tests, as in should, must, not, be"
+ */
+@RunWith(classOf[JUnitRunner])
+class RateThrottleTests extends FlatSpec with Matchers {
+ implicit val transid = TransactionId.testing
+ val subject = Subject()
+
+ behavior of "Rate Throttle"
+
+ it should "throttle when rate exceeds allowed threshold" in {
+ new RateThrottler("test", 0).check(subject) shouldBe false
+ val rt = new RateThrottler("test", 1)
+ rt.check(subject) shouldBe true
+ rt.check(subject) shouldBe false
+ rt.check(subject) shouldBe false
+ Thread.sleep(1.minute.toMillis)
+ rt.check(subject) shouldBe true
+ }
+
+}
