1 files changed, 131 insertions, 0 deletions
diff --git a/middleware/kubernetes/parse_test.go b/middleware/kubernetes/parse_test.go
new file mode 100644
index 000000000..06c3711cd
--- /dev/null
+++ b/middleware/kubernetes/parse_test.go
@@ -0,0 +1,131 @@
+package kubernetes
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/miekg/dns"
+)
+
+func expectString(t *testing.T, function, qtype, query string, r *recordRequest, field, expected string) {
+	ref := reflect.ValueOf(r)
+	refField := reflect.Indirect(ref).FieldByName(field)
+	got := refField.String()
+	if got != expected {
+		t.Errorf("Expected %v(%v, \"%v\") to get %v == \"%v\". Instead got \"%v\".", function, query, qtype, field, expected, got)
+	}
+}
+
+func TestParseRequest(t *testing.T) {
+
+	var tcs map[string]string
+
+	zone := "intern.webs.tests."
+	k := Kubernetes{Zones: []string{zone}}
+	f := "parseRequest"
+
+	// Test a valid SRV request
+	//
+	query := "_http._tcp.webs.mynamespace.svc.inter.webs.test."
+	r, e := k.parseRequest(query, dns.TypeSRV, zone)
+	if e != nil {
+		t.Errorf("Expected no error from parseRequest(%v, \"SRV\"). Instead got '%v'.", query, e)
+	}
+
+	tcs = map[string]string{
+		"port":      "http",
+		"protocol":  "tcp",
+		"endpoint":  "",
+		"service":   "webs",
+		"namespace": "mynamespace",
+		"podOrSvc":  Svc,
+		"zone":      zone,
+	}
+	for field, expected := range tcs {
+		expectString(t, f, "SRV", query, &r, field, expected)
+	}
+
+	// Test wildcard acceptance
+	//
+	query = "*.any.*.any.svc.inter.webs.test."
+	r, e = k.parseRequest(query, dns.TypeSRV, zone)
+	if e != nil {
+		t.Errorf("Expected no error from parseRequest(\"%v\", \"SRV\"). Instead got '%v'.", query, e)
+	}
+
+	tcs = map[string]string{
+		"port":      "*",
+		"protocol":  "any",
+		"endpoint":  "",
+		"service":   "*",
+		"namespace": "any",
+		"podOrSvc":  Svc,
+		"zone":      zone,
+	}
+	for field, expected := range tcs {
+		expectString(t, f, "SRV", query, &r, field, expected)
+	}
+
+	// Test A request of endpoint
+	query = "1-2-3-4.webs.mynamespace.svc.inter.webs.test."
+	r, e = k.parseRequest(query, dns.TypeA, zone)
+	if e != nil {
+		t.Errorf("Expected no error from parseRequest(\"%v\", \"A\"). Instead got '%v'.", query, e)
+	}
+	tcs = map[string]string{
+		"port":      "",
+		"protocol":  "",
+		"endpoint":  "1-2-3-4",
+		"service":   "webs",
+		"namespace": "mynamespace",
+		"podOrSvc":  Svc,
+		"zone":      zone,
+	}
+	for field, expected := range tcs {
+		expectString(t, f, "A", query, &r, field, expected)
+	}
+
+	// Test NS request
+	query = "inter.webs.test."
+	r, e = k.parseRequest(query, dns.TypeNS, zone)
+	if e != nil {
+		t.Errorf("Expected no error from parseRequest(\"%v\", \"NS\"). Instead got '%v'.", query, e)
+	}
+	tcs = map[string]string{
+		"port":      "",
+		"protocol":  "",
+		"endpoint":  "",
+		"service":   "",
+		"namespace": "",
+		"podOrSvc":  "",
+		"zone":      zone,
+	}
+	for field, expected := range tcs {
+		expectString(t, f, "NS", query, &r, field, expected)
+	}
+
+	// Invalid query tests
+	invalidAQueries := []string{
+		"_http._tcp.webs.mynamespace.svc.inter.webs.test.", // A requests cannot have port or protocol TODO(miek): this must return NODATA
+
+	}
+	for _, q := range invalidAQueries {
+		_, e = k.parseRequest(q, dns.TypeA, zone)
+		if e == nil {
+			t.Errorf("Expected error from %v(\"%v\", \"A\").", f, q)
+		}
+	}
+
+	invalidSRVQueries := []string{
+		"_http._pcp.webs.mynamespace.svc.inter.webs.test.", // SRV protocol must be tcp or udp
+		"_http._tcp.ep.webs.ns.svc.inter.webs.test.",       // SRV requests cannot have an endpoint
+		"_*._*.webs.mynamespace.svc.inter.webs.test.",      // SRV request with invalid wildcards
+	}
+
+	for _, q := range invalidSRVQueries {
+		_, e = k.parseRequest(q, dns.TypeSRV, zone)
+		if e == nil {
+			t.Errorf("Expected error from %v(\"%v\", \"SRV\").", f, q)
+		}
+	}
+}