| // 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 ( |
| "testing" |
| ) |
| |
| import ( |
| matcherpb "github.com/envoyproxy/go-control-plane/envoy/type/matcher/v3" |
| "github.com/google/go-cmp/cmp" |
| "google.golang.org/protobuf/testing/protocmp" |
| ) |
| |
| type testCase struct { |
| name string |
| v string |
| prefix string |
| want *matcherpb.StringMatcher |
| } |
| |
| func TestStringMatcherWithPrefix(t *testing.T) { |
| testCases := []testCase{ |
| { |
| name: "wildcardAsRequired", |
| v: "*", |
| prefix: "abc", |
| want: StringMatcherRegex(".+"), |
| }, |
| { |
| name: "prefix", |
| v: "-prefix-*", |
| prefix: "abc", |
| want: &matcherpb.StringMatcher{ |
| MatchPattern: &matcherpb.StringMatcher_Prefix{ |
| Prefix: "abc-prefix-", |
| }, |
| }, |
| }, |
| { |
| name: "suffix-empty-prefix", |
| v: "*-suffix", |
| prefix: "", |
| want: &matcherpb.StringMatcher{ |
| MatchPattern: &matcherpb.StringMatcher_Suffix{ |
| Suffix: "-suffix", |
| }, |
| }, |
| }, |
| { |
| name: "suffix", |
| v: "*-suffix", |
| prefix: "abc", |
| want: StringMatcherRegex("abc.*-suffix"), |
| }, |
| { |
| name: "exact", |
| v: "-exact", |
| prefix: "abc", |
| want: &matcherpb.StringMatcher{ |
| MatchPattern: &matcherpb.StringMatcher_Exact{ |
| Exact: "abc-exact", |
| }, |
| }, |
| }, |
| } |
| |
| for _, tc := range testCases { |
| t.Run(tc.name, func(t *testing.T) { |
| actual := StringMatcherWithPrefix(tc.v, tc.prefix) |
| if !cmp.Equal(actual, tc.want, protocmp.Transform()) { |
| t.Errorf("want %s but got %s", tc.want.String(), actual.String()) |
| } |
| }) |
| } |
| } |
| |
| func TestStringMatcherRegex(t *testing.T) { |
| testCases := []testCase{ |
| { |
| name: "wildcardAsRequired", |
| v: "*", |
| want: &matcherpb.StringMatcher{ |
| MatchPattern: &matcherpb.StringMatcher_SafeRegex{ |
| SafeRegex: &matcherpb.RegexMatcher{ |
| Regex: "*", |
| EngineType: &matcherpb.RegexMatcher_GoogleRe2{ |
| GoogleRe2: &matcherpb.RegexMatcher_GoogleRE2{}, |
| }, |
| }, |
| }, |
| }, |
| }, |
| { |
| name: "regexExpression", |
| v: "+?", |
| want: &matcherpb.StringMatcher{ |
| MatchPattern: &matcherpb.StringMatcher_SafeRegex{ |
| SafeRegex: &matcherpb.RegexMatcher{ |
| Regex: "+?", |
| EngineType: &matcherpb.RegexMatcher_GoogleRe2{ |
| GoogleRe2: &matcherpb.RegexMatcher_GoogleRE2{}, |
| }, |
| }, |
| }, |
| }, |
| }, |
| } |
| |
| for _, tc := range testCases { |
| t.Run(tc.name, func(t *testing.T) { |
| if actual := StringMatcherRegex(tc.v); !cmp.Equal(actual, tc.want, protocmp.Transform()) { |
| t.Errorf("want %s but got %s", tc.want.String(), actual.String()) |
| } |
| }) |
| } |
| } |