package home import ( "testing" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) // TODO(a.garipov): Cover all migrations, use a testdata/ dir. func TestUpgradeSchema1to2(t *testing.T) { diskConf := testDiskConf(1) err := upgradeSchema1to2(diskConf) require.NoError(t, err) require.Equal(t, diskConf["schema_version"], 2) _, ok := diskConf["coredns"] require.False(t, ok) newDNSConf, ok := diskConf["dns"] require.True(t, ok) oldDNSConf := testDNSConf(1) assert.Equal(t, oldDNSConf, newDNSConf) oldExcludedEntries := []string{"coredns", "schema_version"} newExcludedEntries := []string{"dns", "schema_version"} oldDiskConf := testDiskConf(1) assertEqualExcept(t, oldDiskConf, diskConf, oldExcludedEntries, newExcludedEntries) } func TestUpgradeSchema2to3(t *testing.T) { diskConf := testDiskConf(2) err := upgradeSchema2to3(diskConf) require.NoError(t, err) require.Equal(t, diskConf["schema_version"], 3) dnsMap, ok := diskConf["dns"] require.True(t, ok) newDNSConf, ok := dnsMap.(yobj) require.True(t, ok) bootstrapDNS := newDNSConf["bootstrap_dns"] switch v := bootstrapDNS.(type) { case []string: require.Len(t, v, 1) require.Equal(t, "8.8.8.8:53", v[0]) default: t.Fatalf("wrong type for bootsrap dns: %T", v) } excludedEntries := []string{"bootstrap_dns"} oldDNSConf := testDNSConf(2) assertEqualExcept(t, oldDNSConf, newDNSConf, excludedEntries, excludedEntries) excludedEntries = []string{"dns", "schema_version"} oldDiskConf := testDiskConf(2) assertEqualExcept(t, oldDiskConf, diskConf, excludedEntries, excludedEntries) } func TestUpgradeSchema7to8(t *testing.T) { const host = "1.2.3.4" oldConf := yobj{ "dns": yobj{ "bind_host": host, }, "schema_version": 7, } err := upgradeSchema7to8(oldConf) require.NoError(t, err) require.Equal(t, oldConf["schema_version"], 8) dnsVal, ok := oldConf["dns"] require.True(t, ok) newDNSConf, ok := dnsVal.(yobj) require.True(t, ok) newBindHosts, ok := newDNSConf["bind_hosts"].(yarr) require.True(t, ok) require.Len(t, newBindHosts, 1) assert.Equal(t, host, newBindHosts[0]) } func TestUpgradeSchema8to9(t *testing.T) { const tld = "foo" t.Run("with_autohost_tld", func(t *testing.T) { oldConf := yobj{ "dns": yobj{ "autohost_tld": tld, }, "schema_version": 8, } err := upgradeSchema8to9(oldConf) require.NoError(t, err) require.Equal(t, oldConf["schema_version"], 9) dnsVal, ok := oldConf["dns"] require.True(t, ok) newDNSConf, ok := dnsVal.(yobj) require.True(t, ok) localDomainName, ok := newDNSConf["local_domain_name"].(string) require.True(t, ok) assert.Equal(t, tld, localDomainName) }) t.Run("without_autohost_tld", func(t *testing.T) { oldConf := yobj{ "dns": yobj{}, "schema_version": 8, } err := upgradeSchema8to9(oldConf) require.NoError(t, err) require.Equal(t, oldConf["schema_version"], 9) dnsVal, ok := oldConf["dns"] require.True(t, ok) newDNSConf, ok := dnsVal.(yobj) require.True(t, ok) // Should be nil in order to be set to the default value by the // following config rewrite. _, ok = newDNSConf["local_domain_name"] require.False(t, ok) }) } // assertEqualExcept removes entries from configs and compares them. func assertEqualExcept(t *testing.T, oldConf, newConf yobj, oldKeys, newKeys []string) { t.Helper() for _, k := range oldKeys { delete(oldConf, k) } for _, k := range newKeys { delete(newConf, k) } assert.Equal(t, oldConf, newConf) } func testDiskConf(schemaVersion int) (diskConf yobj) { filters := []filter{{ URL: "https://filters.adtidy.org/android/filters/111_optimized.txt", Name: "Latvian filter", RulesCount: 100, }, { URL: "https://easylist.to/easylistgermany/easylistgermany.txt", Name: "Germany filter", RulesCount: 200, }} diskConf = yobj{ "language": "en", "filters": filters, "user_rules": []string{}, "schema_version": schemaVersion, "bind_host": "0.0.0.0", "bind_port": 80, "auth_name": "name", "auth_pass": "pass", } dnsConf := testDNSConf(schemaVersion) if schemaVersion > 1 { diskConf["dns"] = dnsConf } else { diskConf["coredns"] = dnsConf } return diskConf } // testDNSConf creates a DNS config for test the way gopkg.in/yaml.v2 would // unmarshal it. In YAML, keys aren't guaranteed to always only be strings. func testDNSConf(schemaVersion int) (dnsConf yobj) { dnsConf = yobj{ "port": 53, "blocked_response_ttl": 10, "querylog_enabled": true, "ratelimit": 20, "bootstrap_dns": "8.8.8.8:53", "parental_sensitivity": 13, "ratelimit_whitelist": []string{}, "upstream_dns": []string{"tls://1.1.1.1", "tls://1.0.0.1", "8.8.8.8"}, "filtering_enabled": true, "refuse_any": true, "parental_enabled": true, "bind_host": "0.0.0.0", "protection_enabled": true, "safesearch_enabled": true, "safebrowsing_enabled": true, } if schemaVersion > 2 { dnsConf["bootstrap_dns"] = []string{"8.8.8.8:53"} } return dnsConf } func TestAddQUICPort(t *testing.T) { testCases := []struct { name string ups string want string }{{ name: "simple_ip", ups: "8.8.8.8", want: "8.8.8.8", }, { name: "url_ipv4", ups: "quic://8.8.8.8", want: "quic://8.8.8.8:784", }, { name: "url_ipv4_with_port", ups: "quic://8.8.8.8:25565", want: "quic://8.8.8.8:25565", }, { name: "url_ipv6", ups: "quic://[::1]", want: "quic://[::1]:784", }, { name: "url_ipv6_invalid", ups: "quic://::1", want: "quic://::1", }, { name: "url_ipv6_with_port", ups: "quic://[::1]:25565", want: "quic://[::1]:25565", }, { name: "url_hostname", ups: "quic://example.com", want: "quic://example.com:784", }, { name: "url_hostname_with_port", ups: "quic://example.com:25565", want: "quic://example.com:25565", }, { name: "url_hostname_with_endpoint", ups: "quic://example.com/some-endpoint", want: "quic://example.com:784/some-endpoint", }, { name: "url_hostname_with_port_endpoint", ups: "quic://example.com:25565/some-endpoint", want: "quic://example.com:25565/some-endpoint", }, { name: "non-quic_proto", ups: "tls://example.com", want: "tls://example.com", }, { name: "comment", ups: "# comment", want: "# comment", }, { name: "blank", ups: "", want: "", }, { name: "with_domain_ip", ups: "[/example.domain/]8.8.8.8", want: "[/example.domain/]8.8.8.8", }, { name: "with_domain_url", ups: "[/example.domain/]quic://example.com", want: "[/example.domain/]quic://example.com:784", }, { name: "invalid_domain", ups: "[/exmaple.domain]quic://example.com", want: "[/exmaple.domain]quic://example.com", }} for _, tc := range testCases { t.Run(tc.name, func(t *testing.T) { withPort := addQUICPort(tc.ups, 784) assert.Equal(t, tc.want, withPort) }) } } func TestUpgradeSchema9to10(t *testing.T) { const ultimateAns = 42 testCases := []struct { ups any want any wantErr string name string }{{ ups: yarr{"quic://8.8.8.8"}, want: yarr{"quic://8.8.8.8:784"}, wantErr: "", name: "success", }, { ups: ultimateAns, want: nil, wantErr: "unexpected type of dns.upstream_dns: int", name: "bad_yarr_type", }, { ups: yarr{ultimateAns}, want: nil, wantErr: "unexpected type of upstream field: int", name: "bad_upstream_type", }} for _, tc := range testCases { conf := yobj{ "dns": yobj{ "upstream_dns": tc.ups, }, "schema_version": 9, } t.Run(tc.name, func(t *testing.T) { err := upgradeSchema9to10(conf) if tc.wantErr != "" { require.Error(t, err) assert.Equal(t, tc.wantErr, err.Error()) return } require.NoError(t, err) require.Equal(t, conf["schema_version"], 10) dnsVal, ok := conf["dns"] require.True(t, ok) newDNSConf, ok := dnsVal.(yobj) require.True(t, ok) fixedUps, ok := newDNSConf["upstream_dns"].(yarr) require.True(t, ok) assert.Equal(t, tc.want, fixedUps) }) } t.Run("no_dns", func(t *testing.T) { err := upgradeSchema9to10(yobj{}) assert.NoError(t, err) }) t.Run("bad_dns", func(t *testing.T) { err := upgradeSchema9to10(yobj{ "dns": ultimateAns, }) require.Error(t, err) assert.Equal(t, "unexpected type of dns: int", err.Error()) }) }