[1138] unit tests for DHCID

src/lib/dns/tests/rdata_dhcid_unittest.cc

+// Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#include <util/buffer.h>
+#include <dns/rdataclass.h>
+#include <util/encode/base64.h>
+
+#include <gtest/gtest.h>
+
+#include <dns/tests/unittest_util.h>
+#include <dns/tests/rdata_unittest.h>
+
+using isc::UnitTestUtil;
+using namespace std;
+using namespace isc::dns;
+using namespace isc::util;
+using namespace isc::util::encode;
+using namespace isc::dns::rdata;
+
+namespace {
+
+const string string_dhcid(
+                   "0LIg0LvQtdGB0YMg0YDQvtC00LjQu9Cw0YHRjCDRkdC70L7Rh9C60LA=");
+
+const in::DHCID rdata_dhcid(string_dhcid);
+
+class Rdata_DHCID_Test : public RdataTest {
+};
+
+TEST_F(Rdata_DHCID_Test, createFromString) {
+    const in::DHCID rdata_dhcid2(string_dhcid);
+    EXPECT_EQ(0, rdata_dhcid2.compare(rdata_dhcid));
+}
+
+TEST_F(Rdata_DHCID_Test, badBase64) {
+    EXPECT_THROW(const in::DHCID rdata_dhcid_bad("00"), isc::BadValue);
+}
+
+TEST_F(Rdata_DHCID_Test, badLength) {
+    EXPECT_THROW(const in::DHCID rdata_dhcid_bad("MDA="), InvalidRdataLength);
+}
+
+TEST_F(Rdata_DHCID_Test, copy) {
+    const in::DHCID rdata_dhcid2(rdata_dhcid);
+    EXPECT_EQ(0, rdata_dhcid.compare(rdata_dhcid2));
+}
+
+TEST_F(Rdata_DHCID_Test, createFromWire) {
+    EXPECT_EQ(0, rdata_dhcid.compare(
+                  *rdataFactoryFromFile(RRType("DHCID"), RRClass("IN"),
+                                        "rdata_dhcid_fromWire")));
+    // TBD: more tests
+}
+
+TEST_F(Rdata_DHCID_Test, toWireRenderer) {
+    rdata_dhcid.toWire(renderer);
+
+    vector<unsigned char> data;
+    UnitTestUtil::readWireData("rdata_dhcid_toWire", data);
+    EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData, renderer.getData(),
+                        renderer.getLength(), &data[0], data.size());
+}
+
+TEST_F(Rdata_DHCID_Test, toWireBuffer) {
+    rdata_dhcid.toWire(obuffer);
+
+    vector<unsigned char> data;
+    UnitTestUtil::readWireData("rdata_dhcid_toWire", data);
+    EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData, obuffer.getData(),
+                        obuffer.getLength(), &data[0], data.size());
+}
+
+TEST_F(Rdata_DHCID_Test, toText) {
+    EXPECT_EQ(string_dhcid, rdata_dhcid.toText());
+}
+
+TEST_F(Rdata_DHCID_Test, getDHCIDDigest) {
+    const string string_dhcid1(encodeBase64(rdata_dhcid.getDigest()));
+
+    EXPECT_EQ(string_dhcid, string_dhcid1);
+}
+
+TEST_F(Rdata_DHCID_Test, compare) {
+    // trivial case: self equivalence
+    EXPECT_EQ(0, rdata_dhcid.compare(rdata_dhcid));
+
+    in::DHCID rdata_dhcid1("0YLQvtC/0L7Qu9GPINC00LLQsCDRgNGD0LHQu9GP");
+    in::DHCID rdata_dhcid2("0YLQvtC/0L7Qu9GPINGC0YDQuCDRgNGD0LHQu9GP");
+    in::DHCID rdata_dhcid3("0YLQvtC/0L7Qu9GPINGH0LXRgtGL0YDQtSDRgNGD0LHQu9GP");
+
+    EXPECT_LT(rdata_dhcid1.compare(rdata_dhcid2), 0);
+    EXPECT_GT(rdata_dhcid2.compare(rdata_dhcid1), 0);
+
+    EXPECT_LT(rdata_dhcid2.compare(rdata_dhcid3), 0);
+    EXPECT_GT(rdata_dhcid3.compare(rdata_dhcid2), 0);
+
+    // comparison attempt between incompatible RR types should be rejected
+    EXPECT_THROW(rdata_dhcid.compare(*rdata_nomatch), bad_cast); 
+}
+}

src/lib/dns/tests/testdata/rdata_dhcid_fromWire

+#
+# DHCID RDATA stored in an input buffer
+#
+# Valid RDATA for 0LIg0LvQtdGB0YMg0YDQvtC00LjQu9Cw0YHRjCDRkdC70L7Rh9C60LA=
+#
+# RDLENGHT=41 bytes
+# 0  1
+ 00 29
+# 0LIg0LvQtdGB0YMg0YDQvtC00LjQu9Cw0YHRjCDRkdC70L7Rh9C60LA=
+d0 b2 20 d0 bb d0 b5 d1 81 d1 83 20 d1 80 d0 be
+d0 b4 d0 b8 d0 bb d0 b0 d1 81 d1 8c 20 d1 91 d0
+bb d0 be d1 87 d0 ba d0 b0

src/lib/dns/tests/testdata/rdata_dhcid_toWire

+#
+# DHCID RDATA stored in an output buffer
+#
+# 0LIg0LvQtdGB0YMg0YDQvtC00LjQu9Cw0YHRjCDRkdC70L7Rh9C60LA=
+d0 b2 20 d0 bb d0 b5 d1 81 d1 83 20 d1 80 d0 be
+d0 b4 d0 b8 d0 bb d0 b0 d1 81 d1 8c 20 d1 91 d0
+bb d0 be d1 87 d0 ba d0 b0