github.com/m3db/m3@v1.5.0/src/query/models/strconv/checker_test.go (about)

     1  // Copyright (c) 2019 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package strconv
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/stretchr/testify/assert"
    27  )
    28  
    29  func generateUnescapedSlice() []byte {
    30  	bottomBound := int(' ')
    31  	upperBound := int('~')
    32  	unescaped := make([]byte, upperBound-bottomBound)
    33  	ignore := int('"')
    34  	idx := 0
    35  	for i := bottomBound; i <= upperBound; i++ {
    36  		if i != ignore {
    37  			unescaped[idx] = byte(i)
    38  			idx++
    39  		}
    40  	}
    41  
    42  	return unescaped
    43  }
    44  
    45  func TestUnescapedSliceDoesNotNeedToEscape(t *testing.T) {
    46  	unescaped := generateUnescapedSlice()
    47  	assert.False(t, NeedToEscape(unescaped))
    48  }
    49  
    50  func TestSliceWithQuoteNeedsToEscape(t *testing.T) {
    51  	unescaped := generateUnescapedSlice()
    52  	unescaped = append(unescaped, '"')
    53  	assert.True(t, NeedToEscape(unescaped))
    54  }
    55  
    56  func TestSliceWithControlCharactersNeedsToEscape(t *testing.T) {
    57  	unescaped := generateUnescapedSlice()
    58  	lowByte := byte(int(' ') - 1)
    59  	unescapedWithLowByte := append(unescaped, lowByte)
    60  	assert.True(t, NeedToEscape(unescapedWithLowByte))
    61  
    62  	highByte := byte(int('~') + 1)
    63  	unescaped = append(unescaped, highByte)
    64  	assert.True(t, NeedToEscape(unescaped))
    65  }
    66  
    67  func TestIsAlphaNumeric(t *testing.T) {
    68  	alphaStr := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
    69  	assert.True(t, IsAlphaNumeric(alphaStr))
    70  
    71  	// Ensure each rune is alpha numeric
    72  	for _, r := range alphaStr {
    73  		assert.True(t, IsRuneAlphaNumeric(r))
    74  	}
    75  }
    76  
    77  func TestEachNonAlphaNumeric(t *testing.T) {
    78  	// NB: generate every character then remove any alphanumeric
    79  	charMap := make(map[int]string, 256)
    80  	for i := 0; i < 256; i++ {
    81  		charMap[i] = string(byte(i))
    82  	}
    83  
    84  	alphaStr := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
    85  	for _, c := range alphaStr {
    86  		delete(charMap, int(c))
    87  	}
    88  
    89  	for _, invalid := range charMap {
    90  		assert.False(t, IsAlphaNumeric(invalid))
    91  
    92  		// Ensure each rune is alpha numeric
    93  		for _, r := range invalid {
    94  			assert.False(t, IsRuneAlphaNumeric(r))
    95  		}
    96  	}
    97  }