support range ports mapping by go template (#4073)

test/e2e/framework/client.go

@@ -1,11 +1,9 @@
 package framework
 
-type FRPClient struct {
-	port int
-}
+import (
+	clientsdk "github.com/fatedier/frp/pkg/sdk/client"
+)
 
-func (f *Framework) FRPClient(port int) *FRPClient {
-	return &FRPClient{
-		port: port,
-	}
+func (f *Framework) APIClientForFrpc(port int) *clientsdk.Client {
+	return clientsdk.New("127.0.0.1", port)
 }

test/e2e/framework/expect.go

@@ -43,6 +43,10 @@ func ExpectNoErrorWithOffset(offset int, err error, explain ...interface{}) {
 	gomega.ExpectWithOffset(1+offset, err).NotTo(gomega.HaveOccurred(), explain...)
 }
 
+func ExpectContainSubstring(actual, substr string, explain ...interface{}) {
+	gomega.ExpectWithOffset(1, actual).To(gomega.ContainSubstring(substr), explain...)
+}
+
 // ExpectConsistOf expects actual contains precisely the extra elements.  The ordering of the elements does not matter.
 func ExpectConsistOf(actual interface{}, extra interface{}, explain ...interface{}) {
 	gomega.ExpectWithOffset(1, actual).To(gomega.ConsistOf(extra), explain...)

test/e2e/framework/framework.go

@@ -217,7 +217,7 @@ func (f *Framework) RenderTemplates(templates []string) (outs []string, ports ma
 	}
 
 	for _, t := range templates {
-		tmpl, err := template.New("").Parse(t)
+		tmpl, err := template.New("frp-e2e").Parse(t)
 		if err != nil {
 			return nil, nil, err
 		}