Add test for object sleeper

metafacture-flowcontrol/src/test/java/org/metafacture/flowcontrol/ObjectSleeperTest.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2024 Tobias Bülte, hbz
+ *
+ * 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 org.metafacture.flowcontrol;
+
+import static org.junit.Assert.assertTrue;
+
+import org.metafacture.framework.ObjectReceiver;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.time.Duration;
+import java.time.Instant;
+
+/**
+ * Tests for class {@link ObjectSleeper}.
+*
+* @author Tobias Bülte
+*
+*/
+public final class ObjectSleeperTest {
+
+    @Mock
+    private ObjectReceiver<String> receiver;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void shouldTestIfClockedTimeExceedsDuration() {
+    long sleepTime = 100;
+
+    ObjectSleeper<String> objectSleeper = new ObjectSleeper<>();
+    objectSleeper.setReceiver(receiver);
+    objectSleeper.setSleepTime(sleepTime);
+    Instant start = Instant.now();
+    objectSleeper.process(null);
+    Instant end = Instant.now();
+
+    Duration timeElapsed = Duration.between(start, end);
+
+    assertTrue(timeElapsed.toMillis() >= sleepTime);
+
+    }
+
+
+}