Sockets moved to core-java

core-java/src/test/java/com/baeldung/socket/EchoMultiTest.java

@@ -0,0 +1,57 @@
+package com.baeldung.socket;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.concurrent.Executors;
+
+import static org.junit.Assert.assertEquals;
+
+public class EchoMultiTest {
+
+	{
+		Executors.newSingleThreadExecutor().submit(() -> new EchoMultiServer().start(5555));
+	}
+
+
+	@Test
+	public void givenClient1_whenServerResponds_thenCorrect() {
+		EchoClient client = new EchoClient();
+		client.startConnection("127.0.0.1", 5555);
+		String msg1 = client.sendMessage("hello");
+		String msg2 = client.sendMessage("world");
+		String terminate = client.sendMessage("");
+		assertEquals(msg1, "hello");
+		assertEquals(msg2, "world");
+		assertEquals(terminate, "bye");
+		client.stopConnection();
+	}
+
+	@Test
+	public void givenClient2_whenServerResponds_thenCorrect() {
+		EchoClient client = new EchoClient();
+		client.startConnection("127.0.0.1", 5555);
+		String msg1 = client.sendMessage("hello");
+		String msg2 = client.sendMessage("world");
+		String terminate = client.sendMessage("");
+		assertEquals(msg1, "hello");
+		assertEquals(msg2, "world");
+		assertEquals(terminate, "bye");
+		client.stopConnection();
+	}
+
+	@Test
+	public void givenClient3_whenServerResponds_thenCorrect() {
+		EchoClient client = new EchoClient();
+		client.startConnection("127.0.0.1", 5555);
+		String msg1 = client.sendMessage("hello");
+		String msg2 = client.sendMessage("world");
+		String terminate = client.sendMessage("");
+		assertEquals(msg1, "hello");
+		assertEquals(msg2, "world");
+		assertEquals(terminate, "bye");
+		client.stopConnection();
+	}
+
+}

core-java/src/test/java/com/baeldung/socket/EchoTest.java

@@ -0,0 +1,41 @@
+package com.baeldung.socket;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.concurrent.Executors;
+
+import static org.junit.Assert.assertEquals;
+
+public class EchoTest {
+	{
+		Executors.newSingleThreadExecutor().submit(() -> new EchoServer().start(4444));
+	}
+
+	EchoClient client = new EchoClient();
+
+	@Before
+	public void init() {
+		client.startConnection("127.0.0.1", 4444);
+	}
+
+	@Test
+	public void givenClient_whenServerEchosMessage_thenCorrect() {
+
+		String resp1 = client.sendMessage("hello");
+		String resp2 = client.sendMessage("world");
+		String resp3 = client.sendMessage("!");
+		String resp4 = client.sendMessage("");
+		assertEquals("hello", resp1);
+		assertEquals("world", resp2);
+		assertEquals("!", resp3);
+		assertEquals("good bye", resp4);
+	}
+
+	@After
+	public void tearDown() {
+		client.stopConnection();
+	}
+
+}

core-java/src/test/java/com/baeldung/socket/GreetServerTest.java

@@ -0,0 +1,36 @@
+package com.baeldung.socket;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.concurrent.Executors;
+
+import static org.junit.Assert.assertEquals;
+
+public class GreetServerTest {
+
+    GreetClient client;
+
+    {
+        Executors.newSingleThreadExecutor().submit(() -> new GreetServer().start(6666));
+    }
+
+    @Before
+    public void init() {
+        client = new GreetClient();
+		client.startConnection("127.0.0.1", 6666);
+
+    }
+
+    @Test
+    public void givenGreetingClient_whenServerRespondsWhenStarted_thenCorrect() {
+        String response = client.sendMessage("hello server");
+        assertEquals("hello client", response);
+    }
+
+    @After
+    public void finish() {
+        client.stopConnection();
+    }
+}