Added testing for isValidEmail

Author: Antonio Di Marco

src/test/java/com/netflix/simianarmy/basic/chaos/TestBasicChaosEmailNotifier.java

@@ -67,6 +67,41 @@ public void beforeMethod() {
         properties = new Properties();
     }
 
+    @Test
+    public void testInvalidEmailAddresses() {
+        String[] invalidEmails = new String[] { "username",
+                                                "username@.com.my",
+                                                "username123@example.a",
+                                                "username123@.com",
+                                                "username123@.com.com",
+                                                "username()*@example.com",
+                                                "username@%*.com"};
+        basicChaosEmailNotifier = new BasicChaosEmailNotifier(new BasicConfiguration(properties), sesClient, null);
+
+        for (String emailAddress : invalidEmails) {
+            Assert.assertFalse(basicChaosEmailNotifier.isValidEmail(emailAddress));
+        }
+    }
+
+    @Test
+    public void testValidEmailAddresses() {
+        String[] validEmails = new String[] { "username-100@example.com",
+                                              "name.surname+ml-info@example.com",
+                                              "username.100@example.com",
+                                              "username111@example.com",
+                                              "username-100@username.net",
+                                              "username.100@example.com.au",
+                                              "username@1.com",
+                                              "username@example.com",
+                                              "username+100@example.com",
+                                              "username-100@example-test.com" };
+        basicChaosEmailNotifier = new BasicChaosEmailNotifier(new BasicConfiguration(properties), sesClient, null);
+
+        for (String emailAddress : validEmails) {
+            Assert.assertTrue(basicChaosEmailNotifier.isValidEmail(emailAddress));
+        }
+    }
+
     @Test
     public void testbuildEmailSubject() {
         basicChaosEmailNotifier = new BasicChaosEmailNotifier(new BasicConfiguration(properties), sesClient, null);
@@ -152,4 +187,4 @@ public void testBuildAndSendEmailSubjectIsBody() {
         verify(spyBasicChaosEmailNotifier).sendEmail(to, defaultBody, defaultBody);
     }
 
-}
+}