DS-3762: Added test for Context.close() in try-with-resources block

dspace-api/src/test/java/org/dspace/core/ContextTest.java

@@ -270,6 +270,45 @@ public class ContextTest extends AbstractUnitTest
         cleanupContext(instance);
         cleanupContext(newInstance);
     }
+
+    /**
+     * Test of close method, of class Context.
+     */
+    @Test
+    public void testClose() throws SQLException, AuthorizeException
+    {
+        new NonStrictExpectations(authorizeService.getClass())
+        {{
+            // Allow Admin permissions - needed to create a new EPerson
+            authorizeService.isAdmin((Context) any); result = true;
+        }};
+
+        String createdEmail = "susie@email.com";
+
+        // To test close() we need a new Context object in a try-with-resources block
+        try(Context instance = new Context()) {
+
+            // Create a new EPerson (DO NOT COMMIT IT)
+            EPerson newUser = ePersonService.create(instance);
+            newUser.setFirstName(context, "Susan");
+            newUser.setLastName(context, "Doe");
+            newUser.setEmail(createdEmail);
+            newUser.setCanLogIn(true);
+            newUser.setLanguage(context, I18nUtil.getDefaultLocale().getLanguage());
+
+        }
+
+        // Open a new context, let's make sure that EPerson isn't there
+        Context newInstance = new Context();
+        EPerson found = ePersonService.findByEmail(newInstance, createdEmail);
+        assertThat("testClose 0", found, nullValue());
+
+        // Cleanup our contexts
+        cleanupContext(newInstance);
+
+        //Calling close on a finished context should not result in errors
+        newInstance.close();
+    }
     
     /**
      * Test of abort method, of class Context.