fix test rr_from_master_file in cname rdata

src/message/rdata/cname_rdata.rs

@@ -126,6 +126,7 @@ impl CnameRdata {
 #[cfg(test)]
 mod cname_rdata_test {
     use crate::domain_name::DomainName;
+    use crate::message::rdata::Rdata;
     use crate::message::rdata::cname_rdata::CnameRdata;
     use crate::message::Rtype;
     use crate::message::Rclass;
@@ -179,7 +180,7 @@ mod cname_rdata_test {
     #[test]
     fn rr_from_master_file_test() {
         let cname_rr = CnameRdata::rr_from_master_file(
-            "test.googleplex.edu".split_whitespace(),
+            "test.googleplex.edu.".split_whitespace(),
             0,
             "IN",
             "admin1.googleplex.edu".to_string(),
@@ -193,15 +194,15 @@ mod cname_rdata_test {
         );
         assert_eq!(cname_rr.get_rtype(), Rtype::CNAME);
         assert_eq!(cname_rr.get_ttl(), 0);
-        assert_eq!(cname_rr.get_rdlength(), 21);
+        assert_eq!(cname_rr.get_rdlength(), 22);
 
-        // TODO: Implement getters for complete coverage
-        /*
-        let mut a_rdata = cname_rr.get_rdata();
+        let expected_cname = DomainName::new_from_string(String::from("test.googleplex.edu."));
+
+        let a_rdata = cname_rr.get_rdata();
         match a_rdata {
-            Rdata::SomeCnameRdata(val) => assert_eq!(val.get_address(), [204, 13, 100, 3]),
+            Rdata::SomeCnameRdata(val) => assert_eq!(val.get_cname(), expected_cname),
             _ => {}
         }
-        */
+
     }
 }