- ttl-zero-cacherep, unit test for ttl zero for a cache response.

diff --git a/testdata/ttl_zero_cacherep.rpl b/testdata/ttl_zero_cacherep.rpl
new file mode 100644 (file)
index 0000000..7e9eb53
--- /dev/null
+++ b/testdata/ttl_zero_cacherep.rpl
@@ -0,0 +1,290 @@
+; config options
+server:
+       target-fetch-policy: "0 0 0 0 0"
+       prefetch: no
+       serve-expired: no
+
+stub-zone:
+       name: "."
+       stub-addr: 193.0.14.129         # K.ROOT-SERVERS.NET.
+CONFIG_END
+
+SCENARIO_BEGIN Test TTL for the last zero second of cached messages.
+
+; K.ROOT-SERVERS.NET.
+RANGE_BEGIN 0 100
+       ADDRESS 193.0.14.129 
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR NOERROR
+SECTION QUESTION
+. IN NS
+SECTION ANSWER
+. IN NS        K.ROOT-SERVERS.NET.
+SECTION ADDITIONAL
+K.ROOT-SERVERS.NET.    IN      A       193.0.14.129
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode subdomain
+ADJUST copy_id copy_query
+REPLY QR NOERROR
+SECTION QUESTION
+com. IN A
+SECTION AUTHORITY
+com.   IN NS   a.gtld-servers.net.
+SECTION ADDITIONAL
+a.gtld-servers.net.    IN      A       192.5.6.30
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+a.gtld-servers.net.    IN A
+SECTION ANSWER
+a.gtld-servers.net.    IN A    192.5.6.30
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+K.ROOT-SERVERS.NET.    IN      A
+SECTION ANSWER
+K.ROOT-SERVERS.NET.    IN      A       193.0.14.129
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+a.gtld-servers.net.    IN AAAA
+SECTION AUTHORITY
+. 86400 IN SOA . . 20070304 28800 7200 604800 86400
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+K.ROOT-SERVERS.NET.    IN      AAAA
+SECTION AUTHORITY
+. 86400 IN SOA . . 20070304 28800 7200 604800 86400
+ENTRY_END
+
+RANGE_END
+
+; a.gtld-servers.net.
+RANGE_BEGIN 0 300
+       ADDRESS 192.5.6.30
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR NOERROR
+SECTION QUESTION
+com. IN NS
+SECTION ANSWER
+com.   IN NS   a.gtld-servers.net.
+SECTION ADDITIONAL
+a.gtld-servers.net.    IN      A       192.5.6.30
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode subdomain
+ADJUST copy_id copy_query
+REPLY QR NOERROR
+SECTION QUESTION
+example.com. IN A
+SECTION AUTHORITY
+example.com.   IN NS   ns.example.com.
+SECTION ADDITIONAL
+ns.example.com.                IN      A       1.2.3.4
+ENTRY_END
+RANGE_END
+
+; ns.example.com
+RANGE_BEGIN 0 100
+       ADDRESS 1.2.3.4
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+example.com. IN NS
+SECTION ANSWER
+example.com.   IN NS   ns.example.com.
+SECTION ADDITIONAL
+ns.example.com.                IN      A       1.2.3.4
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+www.example.com. IN A
+SECTION ANSWER
+www.example.com. 10    IN A 1.2.3.4
+ENTRY_END
+RANGE_END
+
+; ns.example.com
+RANGE_BEGIN 100 300
+       ADDRESS 1.2.3.4
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA REFUSED
+SECTION QUESTION
+example.com. IN NS
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA REFUSED
+SECTION QUESTION
+ns.example.com. IN A
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA REFUSED
+SECTION QUESTION
+ns.example.com. IN AAAA
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR REFUSED
+SECTION QUESTION
+www.example.com. IN A
+ENTRY_END
+RANGE_END
+
+STEP 1 TIME_PASSES ELAPSE 10
+
+STEP 10 QUERY
+ENTRY_BEGIN
+REPLY RD
+SECTION QUESTION
+www.example.com. IN A
+ENTRY_END
+
+STEP 20 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all ttl
+REPLY QR RD RA NOERROR
+SECTION QUESTION
+www.example.com. IN A
+SECTION ANSWER
+www.example.com. 10 IN A 1.2.3.4
+ENTRY_END
+
+STEP 30 TIME_PASSES ELAPSE 5
+
+STEP 40 QUERY
+ENTRY_BEGIN
+REPLY RD
+SECTION QUESTION
+www.example.com. IN A
+ENTRY_END
+
+STEP 50 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all ttl
+REPLY QR RD RA NOERROR
+SECTION QUESTION
+www.example.com. IN A
+SECTION ANSWER
+www.example.com. 5 IN A 1.2.3.4
+ENTRY_END
+
+STEP 60 TIME_PASSES ELAPSE 3
+
+STEP 70 QUERY
+ENTRY_BEGIN
+REPLY RD
+SECTION QUESTION
+www.example.com. IN A
+ENTRY_END
+
+STEP 80 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all ttl
+REPLY QR RD RA NOERROR
+SECTION QUESTION
+www.example.com. IN A
+SECTION ANSWER
+www.example.com. 2 IN A 1.2.3.4
+ENTRY_END
+
+STEP 90 TIME_PASSES ELAPSE 1
+
+STEP 100 QUERY
+ENTRY_BEGIN
+REPLY RD
+SECTION QUESTION
+www.example.com. IN A
+ENTRY_END
+
+STEP 110 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all ttl
+REPLY QR RD RA NOERROR
+SECTION QUESTION
+www.example.com. IN A
+SECTION ANSWER
+www.example.com. 1 IN A 1.2.3.4
+ENTRY_END
+
+STEP 120 TIME_PASSES ELAPSE 1
+
+STEP 130 QUERY
+ENTRY_BEGIN
+REPLY RD
+SECTION QUESTION
+www.example.com. IN A
+ENTRY_END
+
+STEP 140 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all ttl
+REPLY QR RD RA NOERROR
+SECTION QUESTION
+www.example.com. IN A
+SECTION ANSWER
+; note that it did not send 0 TTL. The message can be cached by the receiver
+; during the last second of the TTL.
+www.example.com. 1 IN A 1.2.3.4
+ENTRY_END
+
+STEP 150 TIME_PASSES ELAPSE 1
+
+STEP 160 QUERY
+ENTRY_BEGIN
+REPLY RD
+SECTION QUESTION
+www.example.com. IN A
+ENTRY_END
+
+STEP 170 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all ttl
+REPLY QR RD RA SERVFAIL
+SECTION QUESTION
+www.example.com. IN A
+SECTION ANSWER
+ENTRY_END
+
+SCENARIO_END