code.gitea.io/gitea@v1.22.3/modules/base/natural_sort_test.go (about)

     1  // Copyright 2017 The Gitea Authors. All rights reserved.
     2  // SPDX-License-Identifier: MIT
     3  
     4  package base
     5  
     6  import (
     7  	"testing"
     8  
     9  	"github.com/stretchr/testify/assert"
    10  )
    11  
    12  func TestNaturalSortLess(t *testing.T) {
    13  	testLess := func(s1, s2 string) {
    14  		assert.True(t, NaturalSortLess(s1, s2), "s1<s2 should be true: s1=%q, s2=%q", s1, s2)
    15  		assert.False(t, NaturalSortLess(s2, s1), "s2<s1 should be false: s1=%q, s2=%q", s1, s2)
    16  	}
    17  	testEqual := func(s1, s2 string) {
    18  		assert.False(t, NaturalSortLess(s1, s2), "s1<s2 should be false: s1=%q, s2=%q", s1, s2)
    19  		assert.False(t, NaturalSortLess(s2, s1), "s2<s1 should be false: s1=%q, s2=%q", s1, s2)
    20  	}
    21  
    22  	testEqual("", "")
    23  	testLess("", "a")
    24  	testLess("", "1")
    25  
    26  	testLess("v1.2", "v1.2.0")
    27  	testLess("v1.2.0", "v1.10.0")
    28  	testLess("v1.20.0", "v1.29.0")
    29  	testEqual("v1.20.0", "v1.20.0")
    30  
    31  	testLess("a", "A")
    32  	testLess("a", "B")
    33  	testLess("A", "b")
    34  	testLess("A", "ab")
    35  
    36  	testLess("abc", "bcd")
    37  	testLess("a-1-a", "a-1-b")
    38  	testLess("2", "12")
    39  
    40  	testLess("cafe", "café")
    41  	testLess("café", "caff")
    42  
    43  	testLess("A-2", "A-11")
    44  	testLess("0.txt", "1.txt")
    45  }