vitess.io/vitess@v0.16.2/go/textutil/strings_test.go (about)

     1  /*
     2  Copyright 2020 The Vitess Authors.
     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 textutil
    18  
    19  import (
    20  	"testing"
    21  
    22  	"github.com/stretchr/testify/assert"
    23  )
    24  
    25  func TestSplitDelimitedList(t *testing.T) {
    26  	defaultList := []string{"one", "two", "three"}
    27  	tt := []struct {
    28  		s    string
    29  		list []string
    30  	}{
    31  		{s: "one,two,three"},
    32  		{s: "one, two, three"},
    33  		{s: "one,two; three  "},
    34  		{s: "one two three"},
    35  		{s: "one,,,two,three"},
    36  		{s: " one, ,two,  three "},
    37  	}
    38  
    39  	for _, tc := range tt {
    40  		if tc.list == nil {
    41  			tc.list = defaultList
    42  		}
    43  		list := SplitDelimitedList(tc.s)
    44  		assert.Equal(t, tc.list, list)
    45  	}
    46  }
    47  
    48  func TestEscapeJoin(t *testing.T) {
    49  	elems := []string{"normal", "with space", "with,comma", "with?question"}
    50  	s := EscapeJoin(elems, ",")
    51  	assert.Equal(t, "normal,with+space,with%2Ccomma,with%3Fquestion", s)
    52  }
    53  
    54  func TestSplitUnescape(t *testing.T) {
    55  	{
    56  		s := ""
    57  		elems, err := SplitUnescape(s, ",")
    58  		assert.NoError(t, err)
    59  		assert.Nil(t, elems)
    60  	}
    61  	{
    62  		s := "normal,with+space,with%2Ccomma,with%3Fquestion"
    63  		expected := []string{"normal", "with space", "with,comma", "with?question"}
    64  		elems, err := SplitUnescape(s, ",")
    65  		assert.NoError(t, err)
    66  		assert.Equal(t, expected, elems)
    67  	}
    68  }
    69  
    70  func TestSingleWordCamel(t *testing.T) {
    71  	tt := []struct {
    72  		word   string
    73  		expect string
    74  	}{
    75  		{
    76  			word:   "",
    77  			expect: "",
    78  		},
    79  		{
    80  			word:   "_",
    81  			expect: "_",
    82  		},
    83  		{
    84  			word:   "a",
    85  			expect: "A",
    86  		},
    87  		{
    88  			word:   "A",
    89  			expect: "A",
    90  		},
    91  		{
    92  			word:   "_A",
    93  			expect: "_a",
    94  		},
    95  		{
    96  			word:   "mysql",
    97  			expect: "Mysql",
    98  		},
    99  		{
   100  			word:   "mySQL",
   101  			expect: "Mysql",
   102  		},
   103  	}
   104  	for _, tc := range tt {
   105  		t.Run(tc.word, func(t *testing.T) {
   106  			camel := SingleWordCamel(tc.word)
   107  			assert.Equal(t, tc.expect, camel)
   108  		})
   109  	}
   110  }