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|
package forward
import (
"io/ioutil"
"os"
"reflect"
"strings"
"testing"
"github.com/caddyserver/caddy"
)
func TestSetup(t *testing.T) {
tests := []struct {
input string
shouldErr bool
expectedFrom string
expectedIgnored []string
expectedFails uint32
expectedOpts options
expectedErr string
}{
// positive
{"forward . 127.0.0.1", false, ".", nil, 2, options{}, ""},
{"forward . 127.0.0.1 {\nexcept miek.nl\n}\n", false, ".", nil, 2, options{}, ""},
{"forward . 127.0.0.1 {\nmax_fails 3\n}\n", false, ".", nil, 3, options{}, ""},
{"forward . 127.0.0.1 {\nforce_tcp\n}\n", false, ".", nil, 2, options{forceTCP: true}, ""},
{"forward . 127.0.0.1 {\nprefer_udp\n}\n", false, ".", nil, 2, options{preferUDP: true}, ""},
{"forward . 127.0.0.1 {\nforce_tcp\nprefer_udp\n}\n", false, ".", nil, 2, options{preferUDP: true, forceTCP: true}, ""},
{"forward . 127.0.0.1:53", false, ".", nil, 2, options{}, ""},
{"forward . 127.0.0.1:8080", false, ".", nil, 2, options{}, ""},
{"forward . [::1]:53", false, ".", nil, 2, options{}, ""},
{"forward . [2003::1]:53", false, ".", nil, 2, options{}, ""},
// negative
{"forward . a27.0.0.1", true, "", nil, 0, options{}, "not an IP"},
{"forward . 127.0.0.1 {\nblaatl\n}\n", true, "", nil, 0, options{}, "unknown property"},
{`forward . ::1
forward com ::2`, true, "", nil, 0, options{}, "plugin"},
}
for i, test := range tests {
c := caddy.NewTestController("dns", test.input)
f, err := parseForward(c)
if test.shouldErr && err == nil {
t.Errorf("Test %d: expected error but found %s for input %s", i, err, test.input)
}
if err != nil {
if !test.shouldErr {
t.Errorf("Test %d: expected no error but found one for input %s, got: %v", i, test.input, err)
}
if !strings.Contains(err.Error(), test.expectedErr) {
t.Errorf("Test %d: expected error to contain: %v, found error: %v, input: %s", i, test.expectedErr, err, test.input)
}
}
if !test.shouldErr && f.from != test.expectedFrom {
t.Errorf("Test %d: expected: %s, got: %s", i, test.expectedFrom, f.from)
}
if !test.shouldErr && test.expectedIgnored != nil {
if !reflect.DeepEqual(f.ignored, test.expectedIgnored) {
t.Errorf("Test %d: expected: %q, actual: %q", i, test.expectedIgnored, f.ignored)
}
}
if !test.shouldErr && f.maxfails != test.expectedFails {
t.Errorf("Test %d: expected: %d, got: %d", i, test.expectedFails, f.maxfails)
}
if !test.shouldErr && f.opts != test.expectedOpts {
t.Errorf("Test %d: expected: %v, got: %v", i, test.expectedOpts, f.opts)
}
}
}
func TestSetupTLS(t *testing.T) {
tests := []struct {
input string
shouldErr bool
expectedServerName string
expectedErr string
}{
// positive
{`forward . tls://127.0.0.1 {
tls_servername dns
}`, false, "dns", ""},
{`forward . 127.0.0.1 {
tls_servername dns
}`, false, "", ""},
{`forward . 127.0.0.1 {
tls
}`, false, "", ""},
{`forward . tls://127.0.0.1`, false, "", ""},
}
for i, test := range tests {
c := caddy.NewTestController("dns", test.input)
f, err := parseForward(c)
if test.shouldErr && err == nil {
t.Errorf("Test %d: expected error but found %s for input %s", i, err, test.input)
}
if err != nil {
if !test.shouldErr {
t.Errorf("Test %d: expected no error but found one for input %s, got: %v", i, test.input, err)
}
if !strings.Contains(err.Error(), test.expectedErr) {
t.Errorf("Test %d: expected error to contain: %v, found error: %v, input: %s", i, test.expectedErr, err, test.input)
}
}
if !test.shouldErr && test.expectedServerName != "" && test.expectedServerName != f.tlsConfig.ServerName {
t.Errorf("Test %d: expected: %q, actual: %q", i, test.expectedServerName, f.tlsConfig.ServerName)
}
if !test.shouldErr && test.expectedServerName != "" && test.expectedServerName != f.proxies[0].health.(*dnsHc).c.TLSConfig.ServerName {
t.Errorf("Test %d: expected: %q, actual: %q", i, test.expectedServerName, f.proxies[0].health.(*dnsHc).c.TLSConfig.ServerName)
}
}
}
func TestSetupResolvconf(t *testing.T) {
const resolv = "resolv.conf"
if err := ioutil.WriteFile(resolv,
[]byte(`nameserver 10.10.255.252
nameserver 10.10.255.253`), 0666); err != nil {
t.Fatalf("Failed to write resolv.conf file: %s", err)
}
defer os.Remove(resolv)
tests := []struct {
input string
shouldErr bool
expectedErr string
expectedNames []string
}{
// pass
{`forward . ` + resolv, false, "", []string{"10.10.255.252:53", "10.10.255.253:53"}},
}
for i, test := range tests {
c := caddy.NewTestController("dns", test.input)
f, err := parseForward(c)
if test.shouldErr && err == nil {
t.Errorf("Test %d: expected error but found %s for input %s", i, err, test.input)
continue
}
if err != nil {
if !test.shouldErr {
t.Errorf("Test %d: expected no error but found one for input %s, got: %v", i, test.input, err)
}
if !strings.Contains(err.Error(), test.expectedErr) {
t.Errorf("Test %d: expected error to contain: %v, found error: %v, input: %s", i, test.expectedErr, err, test.input)
}
}
if !test.shouldErr {
for j, n := range test.expectedNames {
addr := f.proxies[j].addr
if n != addr {
t.Errorf("Test %d, expected %q, got %q", j, n, addr)
}
}
}
for _, p := range f.proxies {
p.health.Check(p) // this should almost always err, we don't care it shoulnd't crash
}
}
}
|
