216 lines
11 KiB
Go
216 lines
11 KiB
Go
package dnsforward
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import (
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"io/ioutil"
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"net"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"github.com/AdguardTeam/AdGuardHome/internal/dnsfilter"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestDNSForwardHTTTP_handleGetConfig(t *testing.T) {
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filterConf := &dnsfilter.Config{
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SafeBrowsingEnabled: true,
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SafeBrowsingCacheSize: 1000,
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SafeSearchEnabled: true,
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SafeSearchCacheSize: 1000,
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ParentalCacheSize: 1000,
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CacheTime: 30,
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}
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forwardConf := ServerConfig{
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UDPListenAddrs: []*net.UDPAddr{},
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TCPListenAddrs: []*net.TCPAddr{},
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FilteringConfig: FilteringConfig{
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ProtectionEnabled: true,
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UpstreamDNS: []string{"8.8.8.8:53", "8.8.4.4:53"},
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},
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ConfigModified: func() {},
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}
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s := createTestServer(t, filterConf, forwardConf)
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require.Nil(t, s.Start())
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t.Cleanup(func() {
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require.Nil(t, s.Stop())
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})
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defaultConf := s.conf
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w := httptest.NewRecorder()
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testCases := []struct {
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name string
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conf func() ServerConfig
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want string
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}{{
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name: "all_right",
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conf: func() ServerConfig {
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return defaultConf
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},
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want: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}, {
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name: "fastest_addr",
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conf: func() ServerConfig {
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conf := defaultConf
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conf.FastestAddr = true
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return conf
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},
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want: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"fastest_addr\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}, {
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name: "parallel",
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conf: func() ServerConfig {
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conf := defaultConf
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conf.AllServers = true
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return conf
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},
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want: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"parallel\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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t.Cleanup(w.Body.Reset)
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s.conf = tc.conf()
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s.handleGetConfig(w, nil)
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assert.Equal(t, "application/json", w.Header().Get("Content-Type"))
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assert.Equal(t, tc.want, w.Body.String())
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})
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}
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}
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func TestDNSForwardHTTTP_handleSetConfig(t *testing.T) {
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filterConf := &dnsfilter.Config{
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SafeBrowsingEnabled: true,
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SafeBrowsingCacheSize: 1000,
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SafeSearchEnabled: true,
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SafeSearchCacheSize: 1000,
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ParentalCacheSize: 1000,
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CacheTime: 30,
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}
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forwardConf := ServerConfig{
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UDPListenAddrs: []*net.UDPAddr{},
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TCPListenAddrs: []*net.TCPAddr{},
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FilteringConfig: FilteringConfig{
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ProtectionEnabled: true,
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UpstreamDNS: []string{"8.8.8.8:53", "8.8.4.4:53"},
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},
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ConfigModified: func() {},
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}
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s := createTestServer(t, filterConf, forwardConf)
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defaultConf := s.conf
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err := s.Start()
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assert.Nil(t, err)
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defer func() {
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assert.Nil(t, s.Stop())
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}()
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w := httptest.NewRecorder()
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const defaultConfJSON = "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n"
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testCases := []struct {
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name string
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req string
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wantSet string
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wantGet string
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}{{
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name: "upstream_dns",
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req: "{\"upstream_dns\":[\"8.8.8.8:77\",\"8.8.4.4:77\"]}",
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wantSet: "",
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wantGet: "{\"upstream_dns\":[\"8.8.8.8:77\",\"8.8.4.4:77\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}, {
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name: "bootstraps",
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req: "{\"bootstrap_dns\":[\"9.9.9.10\"]}",
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wantSet: "",
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wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}, {
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name: "blocking_mode_good",
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req: "{\"blocking_mode\":\"refused\"}",
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wantSet: "",
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wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"refused\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}, {
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name: "blocking_mode_bad",
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req: "{\"blocking_mode\":\"custom_ip\"}",
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wantSet: "blocking_mode: incorrect value\n",
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wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}, {
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name: "ratelimit",
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req: "{\"ratelimit\":6}",
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wantSet: "",
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wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":6,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}, {
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name: "edns_cs_enabled",
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req: "{\"edns_cs_enabled\":true}",
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wantSet: "",
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wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":true,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}, {
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name: "dnssec_enabled",
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req: "{\"dnssec_enabled\":true}",
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wantSet: "",
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wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":true,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}, {
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name: "cache_size",
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req: "{\"cache_size\":1024}",
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wantSet: "",
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wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":1024,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}, {
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name: "upstream_mode_parallel",
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req: "{\"upstream_mode\":\"parallel\"}",
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wantSet: "",
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wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"parallel\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}, {
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name: "upstream_mode_fastest_addr",
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req: "{\"upstream_mode\":\"fastest_addr\"}",
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wantSet: "",
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wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"fastest_addr\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
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}, {
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name: "upstream_dns_bad",
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req: "{\"upstream_dns\":[\"\"]}",
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wantSet: "wrong upstreams specification: missing port in address\n",
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wantGet: defaultConfJSON,
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}, {
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name: "bootstraps_bad",
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req: "{\"bootstrap_dns\":[\"a\"]}",
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wantSet: "a can not be used as bootstrap dns cause: invalid bootstrap server address: Resolver a is not eligible to be a bootstrap DNS server\n",
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wantGet: defaultConfJSON,
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}, {
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name: "cache_bad_ttl",
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req: "{\"cache_ttl_min\":1024,\"cache_ttl_max\":512}",
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wantSet: "cache_ttl_min must be less or equal than cache_ttl_max\n",
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wantGet: defaultConfJSON,
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}, {
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name: "upstream_mode_bad",
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req: "{\"upstream_mode\":\"somethingelse\"}",
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wantSet: "upstream_mode: incorrect value\n",
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wantGet: defaultConfJSON,
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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t.Cleanup(func() {
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s.conf = defaultConf
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})
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rBody := ioutil.NopCloser(strings.NewReader(tc.req))
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var r *http.Request
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r, err = http.NewRequest(http.MethodPost, "http://example.com", rBody)
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require.Nil(t, err)
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s.handleSetConfig(w, r)
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assert.Equal(t, tc.wantSet, w.Body.String())
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w.Body.Reset()
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s.handleGetConfig(w, nil)
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assert.Equal(t, tc.wantGet, w.Body.String())
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w.Body.Reset()
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})
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}
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}
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