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@@ -70,6 +70,11 @@ const char* const mx_txt =
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const char* const www_a_txt = "www.example.com. 3600 IN A 192.0.2.80\n";
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const char* const cname_txt =
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"cname.example.com. 3600 IN CNAME www.example.com.\n";
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+const char* const cname_nxdom_txt =
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+ "cnamenxdom.example.com. 3600 IN CNAME nxdomain.example.com.\n";
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+// CNAME Leading out of zone
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+const char* const cname_out_txt =
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+ "cnameout.example.com. 3600 IN CNAME www.example.org.\n";
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// The rest of data won't be referenced from the test cases.
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const char* const other_zone_rrs =
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"cnamemailer.example.com. 3600 IN CNAME www.example.com.\n"
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@@ -97,7 +102,7 @@ public:
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stringstream zone_stream;
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zone_stream << soa_txt << zone_ns_txt << ns_addrs_txt <<
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delegation_txt << mx_txt << www_a_txt << cname_txt <<
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- other_zone_rrs;
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+ cname_nxdom_txt << cname_out_txt << other_zone_rrs;
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masterLoad(zone_stream, origin_, rrclass_,
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boost::bind(&MockZone::loadRRset, this, _1));
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@@ -399,7 +404,10 @@ TEST_F(QueryTest, MXAlias) {
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}
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/*
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- * Test encountering a cname.
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+ * Tests encountering a cname.
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+ *
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+ * There are tests leading to successful answers, NXRRSET, NXDOMAIN and
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+ * out of the zone.
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*
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* TODO: We currently don't do chaining, so only the CNAME itself should be
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* returned.
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@@ -412,4 +420,38 @@ TEST_F(QueryTest, CNAME) {
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cname_txt, zone_ns_txt, ns_addrs_txt);
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}
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+TEST_F(QueryTest, CNAME_NX_RRSET) {
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+ // Leads to www.example.com, it doesn't have TXT
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+ Query(memory_datasrc, Name("cname.example.com"), RRType::TXT(),
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+ response).process();
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+
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+ responseCheck(response, Rcode::NOERROR(), AA_FLAG, 1, 3, 3,
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+ cname_txt, zone_ns_txt, ns_addrs_txt);
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+}
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+
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+TEST_F(QueryTest, CNAME_NX_DOMAIN) {
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+ // Leads to nxdomain.example.com
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+ Query(memory_datasrc, Name("cnamenxdom.example.com"), RRType::A(),
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+ response).process();
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+
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+ responseCheck(response, Rcode::NOERROR(), AA_FLAG, 1, 3, 3,
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+ cname_nxdom_txt, zone_ns_txt, ns_addrs_txt);
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+}
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+
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+TEST_F(QueryTest, CNAME_OUT) {
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+ /*
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+ * This leads out of zone. This should have only the CNAME even
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+ * when we do chaining.
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+ *
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+ * TODO: We should be able to have two zones in the mock data source.
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+ * Then the same test should be done with .org included there and
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+ * see what it does (depends on what we want to do)
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+ */
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+ Query(memory_datasrc, Name("cnameout.example.com"), RRType::A(),
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+ response).process();
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+
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+ responseCheck(response, Rcode::NOERROR(), AA_FLAG, 1, 3, 3,
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+ cname_out_txt, zone_ns_txt, ns_addrs_txt);
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+}
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+
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}
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