From: James Coglan <james@neighbourhood.ie>
Date: Wed, 22 May 2024 15:49:18 +0000 (+0100)
Subject: resolved: first test for dns_cache_lookup()
X-Git-Tag: v257-rc1~832^2~11
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=76f832a4f63cd4deb2379ee9a0e4337161733d85;p=thirdparty%2Fsystemd.git

resolved: first test for dns_cache_lookup()
---

diff --git a/src/resolve/test-dns-cache.c b/src/resolve/test-dns-cache.c
index 2789549b248..ab76bf50630 100644
--- a/src/resolve/test-dns-cache.c
+++ b/src/resolve/test-dns-cache.c
@@ -307,6 +307,47 @@ TEST(dns_a_to_cname_success_escaped_name_returns_error) {
         ASSERT_TRUE(dns_cache_is_empty(&cache));
 }
 
+/* ================================================================
+ * dns_cache_lookup()
+ * ================================================================ */
+
+TEST(dns_cache_lookup_single) {
+        _cleanup_(dns_cache_unrefp) DnsCache cache = new_cache();
+        _cleanup_(put_args_unrefp) PutArgs put_args = mk_put_args();
+        _cleanup_(dns_answer_unrefp) DnsAnswer *ret_answer = NULL;
+        _cleanup_(dns_packet_unrefp) DnsPacket *ret_full_packet = NULL;
+        _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
+        _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL;
+        int query_flags, ret_rcode;
+        uint64_t ret_query_flags;
+
+        put_args.key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_A, "www.example.com");
+        ASSERT_NOT_NULL(put_args.key);
+        put_args.rcode = DNS_RCODE_SUCCESS;
+        answer_add_a(&put_args, put_args.key, 0xc0a8017f, 3600, DNS_ANSWER_CACHEABLE);
+        cache_put(&cache, &put_args);
+
+        ASSERT_EQ(dns_cache_size(&cache), 1u);
+
+        key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_A, "www.example.com");
+        ASSERT_NOT_NULL(key);
+        query_flags = 0;
+        ASSERT_TRUE(dns_cache_lookup(&cache, key, query_flags, &ret_rcode, &ret_answer, &ret_full_packet, &ret_query_flags, NULL));
+
+        ASSERT_EQ(cache.n_hit, 1u);
+        ASSERT_EQ(cache.n_miss, 0u);
+
+        ASSERT_EQ(ret_rcode, DNS_RCODE_SUCCESS);
+        ASSERT_EQ(ret_query_flags, SD_RESOLVED_CONFIDENTIAL);
+
+        ASSERT_EQ(dns_answer_size(ret_answer), 1u);
+
+        rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_A, "www.example.com");
+        ASSERT_NOT_NULL(rr);
+        rr->a.in_addr.s_addr = htobe32(0xc0a8017f);
+        ASSERT_TRUE(dns_answer_contains(ret_answer, rr));
+}
+
 /* ================================================================
  * dns_cache_dump_to_json()
  * ================================================================ */