add some test ideas

TESTS.md

@@ -24,3 +24,47 @@ Send malformed packets (both as queries and as answers):
 
 Test that ANY queries return records of all types matching the domain
 Test that A queries only return A records, not others matching the domain
+
+
+```
+# Sample Data:
+#   no A records for delegated.daplie.me
+#   two external NS records for delegted.daplie.me
+#   zone daplie.me exists
+
+# Test:
+#   should return NS records in AUTHORITY section, nothing else
+node bin/dig.js @localhost -p 65053 A delegated.daplie.me
+
+#   should return NS records in ANSWER section, nothing else
+node bin/dig.js @localhost -p 65053 NS delegated.daplie.me
+
+
+# Sample Data:
+#   two A records for daplie.me
+#   no NS records
+
+# Test:
+#   should return A records in ANSWER section, nothing else
+node bin/dig.js @localhost -p 65053 A daplie.me
+
+#   should return SOA records in AUTHORITY section, nothing else
+node bin/dig.js @localhost -p 65053 A doesntexist.daplie.me
+node bin/dig.js @localhost -p 65053 NS doesntexist.daplie.me
+
+
+# Sample Data:
+#   two A records for a.daplie.me
+#   has **internal** NS records
+
+# Test:
+#   should return A record in ANSWER section, nothing else
+node bin/dig.js @localhost -p 65053 A a.daplie.me
+
+#   should return SOA record in AUTHORITY section, nothing else
+node bin/dig.js @localhost -p 65053 A doesntexist.a.daplie.me
+
+#   should return NS records in ANSWER section, nothing else
+node bin/dig.js @localhost -p 65053 NS a.daplie.me
+
+```