regex_test.go

Documentation: google.golang.org/grpc/internal/grpcutil

     1  /*
     2   *
     3   * Copyright 2021 gRPC authors.
     4   *
     5   * Licensed under the Apache License, Version 2.0 (the "License");
     6   * you may not use this file except in compliance with the License.
     7   * You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   */
    18  
    19  package grpcutil
    20  
    21  import (
    22  	"regexp"
    23  	"testing"
    24  )
    25  
    26  func TestFullMatchWithRegex(t *testing.T) {
    27  	tests := []struct {
    28  		name     string
    29  		regexStr string
    30  		string   string
    31  		want     bool
    32  	}{
    33  		{
    34  			name:     "not match because only partial",
    35  			regexStr: "^a+$",
    36  			string:   "ab",
    37  			want:     false,
    38  		},
    39  		{
    40  			name:     "match because fully match",
    41  			regexStr: "^a+$",
    42  			string:   "aa",
    43  			want:     true,
    44  		},
    45  		{
    46  			name:     "longest",
    47  			regexStr: "a(|b)",
    48  			string:   "ab",
    49  			want:     true,
    50  		},
    51  		{
    52  			name:     "match all",
    53  			regexStr: ".*",
    54  			string:   "",
    55  			want:     true,
    56  		},
    57  		{
    58  			name:     "matches non-empty strings",
    59  			regexStr: ".+",
    60  			string:   "",
    61  			want:     false,
    62  		},
    63  	}
    64  	for _, tt := range tests {
    65  		t.Run(tt.name, func(t *testing.T) {
    66  			hrm := regexp.MustCompile(tt.regexStr)
    67  			if got := FullMatchWithRegex(hrm, tt.string); got != tt.want {
    68  				t.Errorf("match() = %v, want %v", got, tt.want)
    69  			}
    70  		})
    71  	}
    72  }
    73
View as plain text