test: dns resolver with multiple ipv6 and ipv4 addresses

Author: lucasl0st

internal/controller/nginx/config/base_http_config_test.go

@@ -328,6 +328,17 @@ func TestExecuteBaseHttp_DNSResolver(t *testing.T) {
 			},
 			expectedConfig: "resolver [2606:4700:4700::64];",
 		},
+		{
+			name: "DNS resolver with multiple IPv6 addresses",
+			conf: dataplane.Configuration{
+				BaseHTTPConfig: dataplane.BaseHTTPConfig{
+					DNSResolver: &dataplane.DNSResolverConfig{
+						Addresses: []string{"2606:4700:4700::64", "2606:4700:4700::6400"},
+					},
+				},
+			},
+			expectedConfig: "resolver [2606:4700:4700::64] [2606:4700:4700::6400];",
+		},
 		{
 			name: "DNS resolver with one IPv6 address and one IPv4 address",
 			conf: dataplane.Configuration{
@@ -339,6 +350,17 @@ func TestExecuteBaseHttp_DNSResolver(t *testing.T) {
 			},
 			expectedConfig: "resolver [2606:4700:4700::64] 8.8.8.8;",
 		},
+		{
+			name: "DNS resolver with multiple IPv6 addresses and multiple IPv4 addresses",
+			conf: dataplane.Configuration{
+				BaseHTTPConfig: dataplane.BaseHTTPConfig{
+					DNSResolver: &dataplane.DNSResolverConfig{
+						Addresses: []string{"2606:4700:4700::64", "8.8.8.8", "2606:4700:4700::6400", "8.8.4.4"},
+					},
+				},
+			},
+			expectedConfig: "resolver [2606:4700:4700::64] 8.8.8.8 [2606:4700:4700::6400] 8.8.4.4;",
+		},
 		{
 			name: "no DNS resolver",
 			conf: dataplane.Configuration{