Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

core-java-modules/core-java-jndi/src/test/java/com/baeldung/jndi/JndiUnitTest.java

@@ -0,0 +1,60 @@
+package com.baeldung.jndi;
+
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.springframework.jdbc.datasource.DriverManagerDataSource;
+import org.springframework.jndi.JndiTemplate;
+import org.springframework.mock.jndi.SimpleNamingContextBuilder;
+
+import javax.naming.*;
+import javax.sql.DataSource;
+
+import java.util.Enumeration;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class JndiUnitTest {
+
+    private static InitialContext ctx;
+    private static DriverManagerDataSource ds;
+
+    @BeforeAll
+    static void setUp() throws Exception {
+        SimpleNamingContextBuilder builder = new SimpleNamingContextBuilder();
+        ds = new DriverManagerDataSource("jdbc:h2:mem:mydb");
+        builder.activate();
+
+        JndiTemplate jndiTemplate = new JndiTemplate();
+        ctx = (InitialContext) jndiTemplate.getContext();
+    }
+
+    @Test
+    void givenACompositeName_whenAddingAnElement_thenNameIncludesIt() throws Exception {
+        Name objectName = new CompositeName("java:comp/env/jdbc");
+
+        Enumeration<String> elements = objectName.getAll();
+        while(elements.hasMoreElements()) {
+            System.out.println(elements.nextElement());
+        }
+
+        objectName.add("example");
+
+        assertEquals("env", objectName.get(1));
+        assertEquals("example", objectName.get(objectName.size() - 1));
+    }
+
+    @Test
+    void givenADataSource_whenAddingDriver_thenBind() throws Exception {
+        ds.setDriverClassName("org.h2.Driver");
+        ctx.bind("java:comp/env/jdbc/datasource", ds);
+    }
+
+    @Test
+    void givenContext_whenLookupByName_thenValidDataSource() throws Exception {
+        DataSource ds = (DataSource) ctx.lookup("java:comp/env/jdbc/datasource");
+
+        assertNotNull(ds);
+        assertNotNull(ds.getConnection());
+    }
+
+}

core-java-modules/core-java-jndi/src/test/java/com/baeldung/jndi/exceptions/JndiExceptionsUnitTest.java

@@ -0,0 +1,42 @@
+package com.baeldung.jndi.exceptions;
+
+import org.junit.jupiter.api.MethodOrderer;
+import org.junit.jupiter.api.Order;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestMethodOrder;
+import org.springframework.jndi.JndiTemplate;
+import org.springframework.mock.jndi.SimpleNamingContextBuilder;
+
+import javax.naming.InitialContext;
+import javax.naming.NameNotFoundException;
+import javax.naming.NoInitialContextException;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
+public class JndiExceptionsUnitTest {
+
+    @Test
+    @Order(1)
+    void givenNoContext_whenLookupObject_thenThrowNoInitialContext() {
+        assertThrows(NoInitialContextException.class, () -> {
+            JndiTemplate jndiTemplate = new JndiTemplate();
+            InitialContext ctx = (InitialContext) jndiTemplate.getContext();
+            ctx.lookup("java:comp/env/jdbc/datasource");
+        }).printStackTrace();
+    }
+
+    @Test
+    @Order(2)
+    void givenEmptyContext_whenLookupNotBounds_thenThrowNameNotFound() {
+        assertThrows(NameNotFoundException.class, () -> {
+            SimpleNamingContextBuilder builder = new SimpleNamingContextBuilder();
+            builder.activate();
+
+            JndiTemplate jndiTemplate = new JndiTemplate();
+            InitialContext ctx = (InitialContext) jndiTemplate.getContext();
+            ctx.lookup("badJndiName");
+        }).printStackTrace();
+    }
+
+}