Add more test cases

tests/plugins/email_address_test.py

@@ -52,6 +52,57 @@ class TestEmailAddressDetector:
             ('[email protected]', True),
             ('[email protected]', True),
             ('[email protected]', True),
+
+            # Additional test cases
+
+            # Valid email addresses with different domain extensions
+            ('[email protected]', True),
+            ('[email protected]', True),
+            ('[email protected]', True),
+            ('[email protected]', True),
+
+            # Valid email addresses with numbers
+            ('[email protected]', True),
+            ('[email protected]', True),
+            ('[email protected]', True),
+
+            # Valid email addresses, part of larger text with special characters
+            ('Contact us at: [email protected]!', True),
+            ('Email: [email protected] for more info.', True),
+
+            # Invalid email addresses with missing components
+            ('user@example', False),
+            ('[email protected]', False),
+            ('@example.com', False),
+            ('user@', False),
+
+            # Invalid email addresses with special characters
+            ('user@exa*mple.com', False),
+            ('user@examp!e.com', False),
+            ('user@exampl$.com', False),
+            ('user@exam^ple.com', False),
+
+            # Unusual formats, mark as false
+            ('"user"@example.com', False),  # Quoted local part
+            ('user@[123.123.123.123]', False),  # IP address domain
+
+            # Invalid email addresses, incorrect use of special characters
+            ('user@exa,mple.com', False),
+            ('user@examp<le.com', False),
+            ('user@exampl>com', False),
+            ('user@exampl;e.com', False),
+
+            # Edge cases - rare but valid email formats
+            ('user+mailbox/[email protected]', True),
+            ('customer/[email protected]', True),
+            ('!def!xyz%[email protected]', True),
+            ('[email protected]', True),
+
+            # Edge cases - position of . (dot)
+            ('[email protected]', False),  # Double dot in domain
+            ('[email protected]', True),  # Leading dot in local part
+            ('[email protected]', False),  # Leading dot in domain
+            ('[email protected].', True),  # Trailing dot in domain
         ],
     )
     def test_analyze_line(self, payload, should_flag):