coredns/plugin/forward/forward_test.go

76 lines
2.1 KiB
Go

package forward
import (
"strings"
"testing"
"github.com/coredns/caddy"
"github.com/coredns/caddy/caddyfile"
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/plugin/dnstap"
"github.com/coredns/coredns/plugin/pkg/proxy"
"github.com/coredns/coredns/plugin/pkg/transport"
)
func TestList(t *testing.T) {
f := Forward{
proxies: []*proxy.Proxy{
proxy.NewProxy("TestList", "1.1.1.1:53", transport.DNS),
proxy.NewProxy("TestList", "2.2.2.2:53", transport.DNS),
proxy.NewProxy("TestList", "3.3.3.3:53", transport.DNS),
},
p: &roundRobin{},
}
expect := []*proxy.Proxy{
proxy.NewProxy("TestList", "2.2.2.2:53", transport.DNS),
proxy.NewProxy("TestList", "1.1.1.1:53", transport.DNS),
proxy.NewProxy("TestList", "3.3.3.3:53", transport.DNS),
}
got := f.List()
if len(got) != len(expect) {
t.Fatalf("Expected: %v results, got: %v", len(expect), len(got))
}
for i, p := range got {
if p.Addr() != expect[i].Addr() {
t.Fatalf("Expected proxy %v to be '%v', got: '%v'", i, expect[i].Addr(), p.Addr())
}
}
}
func TestSetTapPlugin(t *testing.T) {
input := `forward . 127.0.0.1
dnstap /tmp/dnstap.sock full
dnstap tcp://example.com:6000
`
stanzas := strings.Split(input, "\n")
c := caddy.NewTestController("dns", strings.Join(stanzas[1:], "\n"))
dnstapSetup, err := caddy.DirectiveAction("dns", "dnstap")
if err != nil {
t.Fatal(err)
}
if err = dnstapSetup(c); err != nil {
t.Fatal(err)
}
c.Dispenser = caddyfile.NewDispenser("", strings.NewReader(stanzas[0]))
if err = setup(c); err != nil {
t.Fatal(err)
}
dnsserver.NewServer("", []*dnsserver.Config{dnsserver.GetConfig(c)})
f, ok := dnsserver.GetConfig(c).Handler("forward").(*Forward)
if !ok {
t.Fatal("Expected a forward plugin")
}
tap, ok := dnsserver.GetConfig(c).Handler("dnstap").(*dnstap.Dnstap)
if !ok {
t.Fatal("Expected a dnstap plugin")
}
f.SetTapPlugin(tap)
if len(f.tapPlugins) != 2 {
t.Fatalf("Expected: 2 results, got: %v", len(f.tapPlugins))
}
if f.tapPlugins[0] != tap || tap.Next != f.tapPlugins[1] {
t.Error("Unexpected order of dnstap plugins")
}
}