// Copyright (c) 2014 Couchbase, Inc. // // 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 regexp import ( "fmt" "reflect" "regexp" "testing" ) func TestRegexpCharFilter(t *testing.T) { tests := []struct { regexStr string replace []byte input []byte output []byte }{ { regexStr: `\s]+))?)+\s*|\s*)/?>`, replace: []byte{' '}, input: []byte(`test`), output: []byte(` test `), }, { regexStr: `\x{200C}`, replace: []byte{' '}, input: []byte("water\u200Cunder\u200Cthe\u200Cbridge"), output: []byte("water under the bridge"), }, { regexStr: `([a-z])\s+(\d)`, replace: []byte(`$1-$2`), input: []byte(`temp 1`), output: []byte(`temp-1`), }, { regexStr: `foo.?`, replace: []byte(`X`), input: []byte(`seafood, fool`), output: []byte(`seaX, X`), }, { regexStr: `def`, replace: []byte(`_`), input: []byte(`abcdefghi`), output: []byte(`abc_ghi`), }, { regexStr: `456`, replace: []byte(`000000`), input: []byte(`123456789`), output: []byte(`123000000789`), }, { regexStr: `“|”`, replace: []byte(`"`), input: []byte(`“hello”`), output: []byte(`"hello"`), }, } for _, test := range tests { t.Run(fmt.Sprintf("match %s replace %s", test.regexStr, string(test.replace)), func(t *testing.T) { regex := regexp.MustCompile(test.regexStr) filter := New(regex, test.replace) output := filter.Filter(test.input) if !reflect.DeepEqual(test.output, output) { t.Errorf("Expected: `%s`, Got: `%s`\n", string(test.output), string(output)) } }) } }