package ipallowlist import ( "context" "net/http" "net/http/httptest" "testing" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" "github.com/traefik/traefik/v3/pkg/config/dynamic" ) func TestNewIPAllowLister(t *testing.T) { testCases := []struct { desc string allowList dynamic.IPAllowList expectedError bool }{ { desc: "invalid IP", allowList: dynamic.IPAllowList{ SourceRange: []string{"foo"}, }, expectedError: true, }, { desc: "valid IP", allowList: dynamic.IPAllowList{ SourceRange: []string{"10.10.10.10"}, }, }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}) allowLister, err := New(context.Background(), next, test.allowList, "traefikTest") if test.expectedError { assert.Error(t, err) } else { require.NoError(t, err) assert.NotNil(t, allowLister) } }) } } func TestIPAllowLister_ServeHTTP(t *testing.T) { testCases := []struct { desc string allowList dynamic.IPAllowList remoteAddr string expected int }{ { desc: "authorized with remote address", allowList: dynamic.IPAllowList{ SourceRange: []string{"20.20.20.20"}, }, remoteAddr: "20.20.20.20:1234", expected: 200, }, { desc: "non authorized with remote address", allowList: dynamic.IPAllowList{ SourceRange: []string{"20.20.20.20"}, }, remoteAddr: "20.20.20.21:1234", expected: 403, }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}) allowLister, err := New(context.Background(), next, test.allowList, "traefikTest") require.NoError(t, err) recorder := httptest.NewRecorder() req := httptest.NewRequest(http.MethodGet, "http://10.10.10.10", nil) if len(test.remoteAddr) > 0 { req.RemoteAddr = test.remoteAddr } allowLister.ServeHTTP(recorder, req) assert.Equal(t, test.expected, recorder.Code) }) } }