| // Copyright Istio Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package matcher |
| |
| import ( |
| "strings" |
| "testing" |
| ) |
| |
| import ( |
| corepb "github.com/envoyproxy/go-control-plane/envoy/config/core/v3" |
| "github.com/google/go-cmp/cmp" |
| "google.golang.org/protobuf/testing/protocmp" |
| wrappers "google.golang.org/protobuf/types/known/wrapperspb" |
| ) |
| |
| func TestCidrRange(t *testing.T) { |
| testCases := []struct { |
| Name string |
| V string |
| Expect *corepb.CidrRange |
| Err string |
| }{ |
| { |
| Name: "cidr with two /", |
| V: "192.168.0.0//16", |
| Err: "invalid cidr range", |
| }, |
| { |
| Name: "cidr with invalid prefix length", |
| V: "192.168.0.0/ab", |
| Err: "invalid cidr range", |
| }, |
| { |
| Name: "cidr with negative prefix length", |
| V: "192.168.0.0/-16", |
| Err: "invalid cidr range", |
| }, |
| { |
| Name: "valid cidr range", |
| V: "192.168.0.0/16", |
| Expect: &corepb.CidrRange{ |
| AddressPrefix: "192.168.0.0", |
| PrefixLen: &wrappers.UInt32Value{Value: 16}, |
| }, |
| }, |
| { |
| Name: "invalid ip address", |
| V: "19216800", |
| Err: "invalid ip address", |
| }, |
| { |
| Name: "valid ipv4 address", |
| V: "192.168.0.0", |
| Expect: &corepb.CidrRange{ |
| AddressPrefix: "192.168.0.0", |
| PrefixLen: &wrappers.UInt32Value{Value: 32}, |
| }, |
| }, |
| { |
| Name: "valid ipv6 address", |
| V: "2001:abcd:85a3::8a2e:370:1234", |
| Expect: &corepb.CidrRange{ |
| AddressPrefix: "2001:abcd:85a3::8a2e:370:1234", |
| PrefixLen: &wrappers.UInt32Value{Value: 128}, |
| }, |
| }, |
| } |
| |
| for _, tc := range testCases { |
| actual, err := CidrRange(tc.V) |
| if tc.Err != "" { |
| if err == nil { |
| t.Errorf("%s: expecting error: %s but found no error", tc.Name, tc.Err) |
| } else if !strings.HasPrefix(err.Error(), tc.Err) { |
| t.Errorf("%s: expecting error: %s, but got: %s", tc.Name, tc.Err, err.Error()) |
| } |
| } else if !cmp.Equal(tc.Expect, actual, protocmp.Transform()) { |
| t.Errorf("%s: expecting %v, but got %v", tc.Name, tc.Expect, actual) |
| } |
| } |
| } |