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-rw-r--r--infra/minimal-distribution-test/src/test/java/io/fd/honeycomb/impl/ShutdownHandlerImplTest.java71
1 files changed, 71 insertions, 0 deletions
diff --git a/infra/minimal-distribution-test/src/test/java/io/fd/honeycomb/impl/ShutdownHandlerImplTest.java b/infra/minimal-distribution-test/src/test/java/io/fd/honeycomb/impl/ShutdownHandlerImplTest.java
new file mode 100644
index 000000000..4e8135488
--- /dev/null
+++ b/infra/minimal-distribution-test/src/test/java/io/fd/honeycomb/impl/ShutdownHandlerImplTest.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * 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 io.fd.honeycomb.impl;
+
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.mock;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.InOrder;
+import org.mockito.Mockito;
+
+public class ShutdownHandlerImplTest {
+
+ private ShutdownHandlerImpl shutdownHandler;
+
+ @Before
+ public void setUp() {
+ shutdownHandler = new ShutdownHandlerImpl();
+ }
+
+ @Test
+ public void testShutdownOrder() throws Exception {
+ AutoCloseable component0 = mock(AutoCloseable.class);
+ AutoCloseable component1 = mock(AutoCloseable.class);
+ AutoCloseable component2 = mock(AutoCloseable.class);
+ InOrder inOrder = Mockito.inOrder(component0, component1, component2);
+ shutdownHandler.register("component0", component0);
+ shutdownHandler.register("component1", component1);
+ shutdownHandler.register("component2", component2);
+ shutdownHandler.performShutdown();
+
+ // check the order was reversed
+ inOrder.verify(component2).close();
+ inOrder.verify(component1).close();
+ inOrder.verify(component0).close();
+ }
+
+ @Test
+ public void testShutdownFail() throws Exception {
+ AutoCloseable component0 = mock(AutoCloseable.class);
+ AutoCloseable component1 = mock(AutoCloseable.class);
+ doThrow(new IllegalStateException()).when(component1).close();
+ AutoCloseable component2 = mock(AutoCloseable.class);
+ InOrder inOrder = Mockito.inOrder(component0, component1, component2);
+ shutdownHandler.register("component0", component0);
+ shutdownHandler.register("component1", component1);
+ shutdownHandler.register("component2", component2);
+ shutdownHandler.performShutdown();
+
+ // shoutdown failed for component1, but other components should be closed
+ inOrder.verify(component2).close();
+ inOrder.verify(component0).close();
+ inOrder.verifyNoMoreInteractions();
+ }
+
+}