Add Expiration Task state test (should be waiting at the start)

Author: alhusseain

server-session/src/main/java/com/iluwatar/sessionserver/App.java

@@ -59,7 +59,8 @@ public class App {
   private static Map<String, Integer> sessions = new HashMap<>();
   private static Map<String, Instant> sessionCreationTimes = new HashMap<>();
   private static final long SESSION_EXPIRATION_TIME = 10000;
-  private static final Object sessionExpirationWait = new Object(); // used to make expiration task wait or work based on event (login request sent or not)
+  private static Object sessionExpirationWait = new Object(); // used to make expiration task wait or work based on event (login request sent or not)
+  private static Thread sessionExpirationThread;
 
   /**
    * Main entry point.
@@ -84,7 +85,7 @@ public static void main(String[] args) throws IOException {
   }
 
   private static void sessionExpirationTask() {
-    new Thread(() -> {
+    sessionExpirationThread= new Thread(() -> {
       while (true) {
         try {
           synchronized (sessions) {
@@ -117,7 +118,8 @@ private static void sessionExpirationTask() {
           Thread.currentThread().interrupt();
         }
       }
-    }).start();
+    });
+    sessionExpirationThread.start();
   }
 
   /**
@@ -129,4 +131,8 @@ public static void expirationTaskWake() {
     }
   }
 
+  public static Thread.State getExpirationTaskState(){
+    return sessionExpirationThread.getState();
+  }
+
 }

server-session/src/test/java/com.iluwatar.sessionserver/AppTest.java

@@ -0,0 +1,77 @@
+/*
+ * This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
+ *
+ * The MIT License
+ * Copyright © 2014-2022 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.iluwatar.sessionserver;
+
+import static java.lang.Thread.State;
+import static java.lang.Thread.State.WAITING;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.when;
+
+import com.sun.net.httpserver.Headers;
+import com.sun.net.httpserver.HttpExchange;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.time.Instant;
+import java.util.HashMap;
+import java.util.Map;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+/**
+ * LoginHandlerTest.
+ */
+@Slf4j
+public class AppTest {
+
+  private LoginHandler loginHandler;
+  //private Headers headers;
+  private Map<String, Integer> sessions;
+  private Map<String, Instant> sessionCreationTimes;
+
+  @Mock
+  private HttpExchange exchange;
+
+  /**
+   * Setup tests.
+   */
+  @BeforeEach
+  public void setUp() throws IOException {
+    MockitoAnnotations.initMocks(this);
+    App.main(new String [] {});
+  }
+
+  @Test
+  public void expirationTaskStartStateTest() {
+
+    //assert
+    LOGGER.info("Expiration Task Status: "+String.valueOf(App.getExpirationTaskState()));
+    assertEquals(App.getExpirationTaskState(),WAITING);
+
+  }
+
+}