All (non etcd) tests are now local (#105)

We don't need to network to do tests, we up enough local servers
to we don't need to forward to,s say 8.8.8.8

middleware/proxy/lookup_test.go

@@ -1,36 +0,0 @@
-package proxy
-
-import (
-	"io/ioutil"
-	"log"
-	"os"
-	"testing"
-
-	"github.com/miekg/coredns/middleware"
-	"github.com/miekg/coredns/middleware/test"
-
-	"github.com/miekg/dns"
-)
-
-func TestLookupProxy(t *testing.T) {
-	// TODO(miek): make this fakeDNS backend and ask the question locally
-	log.SetOutput(ioutil.Discard)
-	defer log.SetOutput(os.Stderr)
-
-	p := New([]string{"8.8.8.8:53"})
-	resp, err := p.Lookup(fakeState(), "example.org.", dns.TypeA)
-	if err != nil {
-		t.Error("Expected to receive reply, but didn't")
-	}
-	// expect answer section with A record in it
-	if len(resp.Answer) == 0 {
-		t.Error("Expected to at least one RR in the answer section, got none")
-	}
-	if resp.Answer[0].Header().Rrtype != dns.TypeA {
-		t.Error("Expected RR to A, got: %d", resp.Answer[0].Header().Rrtype)
-	}
-}
-
-func fakeState() middleware.State {
-	return middleware.State{W: &test.ResponseWriter{}, Req: new(dns.Msg)}
-}

middleware/test/zone.go

@@ -0,0 +1,21 @@
+package test
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+)
+
+// Zone will create a temporary file on disk and returns the name and
+// cleanup function to remove it later.
+func Zone(t *testing.T, dir, zonefile string) (string, func(), error) {
+	f, err := ioutil.TempFile(dir, "go-test-zone")
+	if err != nil {
+		return "", nil, err
+	}
+	if err := ioutil.WriteFile(f.Name(), []byte(zonefile), 0644); err != nil {
+		return "", nil, err
+	}
+	rmFunc := func() { os.Remove(f.Name()) }
+	return f.Name(), rmFunc, nil
+}