kythe.io@v0.0.68-0.20240422202219-7225dbc01741/kythe/go/services/xrefs/xrefs_test.go (about)

     1  /*
     2   * Copyright 2014 The Kythe Authors. All rights reserved.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *   http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package xrefs
    18  
    19  import (
    20  	"regexp"
    21  	"testing"
    22  
    23  	"kythe.io/kythe/go/util/schema/facts"
    24  )
    25  
    26  func TestFilterRegexp(t *testing.T) {
    27  	tests := []struct {
    28  		filter string
    29  		regexp string
    30  	}{
    31  		{"", ""},
    32  
    33  		// Bare glob patterns
    34  		{"?", "[^/]"},
    35  		{"*", "[^/]*"},
    36  		{"**", ".*"},
    37  
    38  		// Literal characters
    39  		{facts.NodeKind, facts.NodeKind},
    40  		{`!@#$%^&()-_=+[]{};:'"/<>.,`, regexp.QuoteMeta(`!@#$%^&()-_=+[]{};:'"/<>.,`)},
    41  		{"abcdefghijklmnopqrstuvwxyz", "abcdefghijklmnopqrstuvwxyz"},
    42  		{"ABCDEFGHIJKLMNOPQRSTUVWXYZ", "ABCDEFGHIJKLMNOPQRSTUVWXYZ"},
    43  
    44  		{"/kythe/*", "/kythe/[^/]*"},
    45  		{"/kythe/**", "/kythe/.*"},
    46  		{"/array#?", "/array#[^/]"},
    47  		{"/kythe/node?/*/blah/**", "/kythe/node[^/]/[^/]*/blah/.*"},
    48  	}
    49  
    50  	for _, test := range tests {
    51  		res := filterToRegexp(test.filter)
    52  		if res.String() != test.regexp {
    53  			t.Errorf(" Filter %q; Got %q; Expected regexp %q", test.filter, res, test.regexp)
    54  		}
    55  	}
    56  }