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[2892] added comments to testServerID unitest

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This commit is contained in:
Wlodek Wencel
2014-01-16 12:48:10 +01:00
parent dbf249256d
commit ffbbf037b8
1 changed files with 15 additions and 11 deletions
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26
src/bin/dhcp6/tests/dhcp6_srv_unittest.cc
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@@ -1073,34 +1073,38 @@ TEST_F(Dhcpv6SrvTest, sanityCheck) {
EXPECT_THROW(srv.sanityCheck(pkt, Dhcpv6Srv::MANDATORY, Dhcpv6Srv::MANDATORY),
RFCViolation);
}
// Check that server is testing if received ServerID is equal to one beenig used by server
TEST_F(Dhcpv6SrvTest, testServerID){
// Check that the server is testing if server identifier received in the
// query, matches server identifier used by the server.
TEST_F(Dhcpv6SrvTest, testServerID) {
NakedDhcpv6Srv srv(0);
Pkt6Ptr req = Pkt6Ptr(new Pkt6(DHCPV6_REQUEST, 1234));
// server-id is MANDATORY in REQUEST
// but add there something else
std::vector<uint8_t> bin;
//diud_llt with time = 0, macaddress = 00:00:00:00:00:00
// diud_llt constructed with: time = 0, macaddress = 00:00:00:00:00:00
// it's necessary to generate server identifier option
isc::util::encode::decodeHex("0001000100000000000000000000", bin);
// Now create server-id option
// Now create server identifier option
OptionPtr serverid = OptionPtr(new Option(Option::V6, D6O_SERVERID, bin));
// Server identifier option is MANDATORY in Request message.
// Add server identifier option with different value from one that
// server is using.
req->addOption(serverid);
//Shoud be dropped
// Message shoud be dropped
EXPECT_FALSE(srv.testServerID(req));
// Delete server identifier option and add new one, with same value as
// server's server identifier.
req->delOption(D6O_SERVERID);
req->addOption(srv.getServerID());
//with proper ServerID we expect true
// With proper server identifier we expect true
EXPECT_TRUE(srv.testServerID(req));
// server-id is FORBIDDEN in SOLICIT, so check if server is not
// dropping corect message
// server-id MUST NOT appear in Solicit, so check if server is
// not dropping a message without server id.
Pkt6Ptr pkt = Pkt6Ptr(new Pkt6(DHCPV6_SOLICIT, 1234));
EXPECT_TRUE(srv.testServerID(req));