traefik/pkg/server/router/udp/router_test.go

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package udp
import (
"context"
"testing"
"github.com/stretchr/testify/assert"
2023-02-03 14:24:05 +00:00
"github.com/traefik/traefik/v3/pkg/config/dynamic"
"github.com/traefik/traefik/v3/pkg/config/runtime"
"github.com/traefik/traefik/v3/pkg/server/service/udp"
)
func TestRuntimeConfiguration(t *testing.T) {
testCases := []struct {
desc string
serviceConfig map[string]*runtime.UDPServiceInfo
routerConfig map[string]*runtime.UDPRouterInfo
expectedError int
}{
{
desc: "No error",
serviceConfig: map[string]*runtime.UDPServiceInfo{
"foo-service": {
UDPService: &dynamic.UDPService{
LoadBalancer: &dynamic.UDPServersLoadBalancer{
Servers: []dynamic.UDPServer{
{
Port: "8085",
Address: "127.0.0.1:8085",
},
{
Address: "127.0.0.1:8086",
Port: "8086",
},
},
},
},
},
},
routerConfig: map[string]*runtime.UDPRouterInfo{
"foo": {
UDPRouter: &dynamic.UDPRouter{
EntryPoints: []string{"web"},
Service: "foo-service",
},
},
"bar": {
UDPRouter: &dynamic.UDPRouter{
EntryPoints: []string{"web"},
Service: "foo-service",
},
},
},
expectedError: 0,
},
{
desc: "Router with unknown service",
serviceConfig: map[string]*runtime.UDPServiceInfo{
"foo-service": {
UDPService: &dynamic.UDPService{
LoadBalancer: &dynamic.UDPServersLoadBalancer{
Servers: []dynamic.UDPServer{
{
Address: "127.0.0.1:80",
},
},
},
},
},
},
routerConfig: map[string]*runtime.UDPRouterInfo{
"foo": {
UDPRouter: &dynamic.UDPRouter{
EntryPoints: []string{"web"},
Service: "wrong-service",
},
},
"bar": {
UDPRouter: &dynamic.UDPRouter{
EntryPoints: []string{"web"},
Service: "foo-service",
},
},
},
expectedError: 1,
},
{
desc: "Router with broken service",
serviceConfig: map[string]*runtime.UDPServiceInfo{
"foo-service": {
UDPService: &dynamic.UDPService{
LoadBalancer: nil,
},
},
},
routerConfig: map[string]*runtime.UDPRouterInfo{
"bar": {
UDPRouter: &dynamic.UDPRouter{
EntryPoints: []string{"web"},
Service: "foo-service",
},
},
},
expectedError: 2,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
entryPoints := []string{"web"}
conf := &runtime.Configuration{
UDPServices: test.serviceConfig,
UDPRouters: test.routerConfig,
}
serviceManager := udp.NewManager(conf)
routerManager := NewManager(conf, serviceManager)
_ = routerManager.BuildHandlers(context.Background(), entryPoints)
// even though conf was passed by argument to the manager builders above,
// it's ok to use it as the result we check, because everything worth checking
// can be accessed by pointers in it.
var allErrors int
for _, v := range conf.UDPServices {
if v.Err != nil {
allErrors++
}
}
for _, v := range conf.UDPRouters {
if len(v.Err) > 0 {
allErrors++
}
}
assert.Equal(t, test.expectedError, allErrors)
})
}
}