sanitize_test.go

Documentation: go.opencensus.io/internal

     1  // Copyright 2017, OpenCensus Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package internal
    16  
    17  import (
    18  	"strings"
    19  	"testing"
    20  )
    21  
    22  func TestSanitize(t *testing.T) {
    23  	tests := []struct {
    24  		name  string
    25  		input string
    26  		want  string
    27  	}{
    28  		{
    29  			name:  "trunacate long string",
    30  			input: strings.Repeat("a", 101),
    31  			want:  strings.Repeat("a", 100),
    32  		},
    33  		{
    34  			name:  "replace character",
    35  			input: "test/key-1",
    36  			want:  "test_key_1",
    37  		},
    38  		{
    39  			name:  "add prefix if starting with digit",
    40  			input: "0123456789",
    41  			want:  "key_0123456789",
    42  		},
    43  		{
    44  			name:  "add prefix if starting with _",
    45  			input: "_0123456789",
    46  			want:  "key_0123456789",
    47  		},
    48  		{
    49  			name:  "starts with _ after sanitization",
    50  			input: "/0123456789",
    51  			want:  "key_0123456789",
    52  		},
    53  		{
    54  			name:  "valid input",
    55  			input: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_0123456789",
    56  			want:  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_0123456789",
    57  		},
    58  	}
    59  
    60  	for _, tt := range tests {
    61  		t.Run(tt.name, func(t *testing.T) {
    62  			if got, want := Sanitize(tt.input), tt.want; got != want {
    63  				t.Errorf("sanitize() = %q; want %q", got, want)
    64  			}
    65  		})
    66  	}
    67  }
    68
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