0ec1d3b87d
- go.yandata.net/iod/iod/go-trustlog → go.yandata.net/wangsiyuan/go-trustlog - 更新 go.mod module声明 - 更新 README.md 安装说明 - 批量更新所有 .go 文件中的 import 路径 - 61个文件受影响 这样go-trustlog可以作为独立SDK使用
152 lines
3.9 KiB
Go
152 lines
3.9 KiB
Go
package helpers_test
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import (
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"regexp"
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"sync"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"go.yandata.net/wangsiyuan/go-trustlog/internal/helpers"
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)
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func TestNewUUIDv7(t *testing.T) {
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// UUID v7 格式：无连字符，32个十六进制字符
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uuidPattern := regexp.MustCompile(`^[0-9a-f]{32}$`)
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t.Run("生成有效的UUID", func(t *testing.T) {
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uuid := helpers.NewUUIDv7()
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// 验证格式
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assert.Len(t, uuid, 32, "UUID长度应该是32个字符")
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assert.Regexp(t, uuidPattern, uuid, "UUID应该只包含小写十六进制字符")
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})
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t.Run("每次生成的UUID应该不同", func(t *testing.T) {
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uuid1 := helpers.NewUUIDv7()
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uuid2 := helpers.NewUUIDv7()
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uuid3 := helpers.NewUUIDv7()
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assert.NotEqual(t, uuid1, uuid2)
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assert.NotEqual(t, uuid2, uuid3)
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assert.NotEqual(t, uuid1, uuid3)
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})
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t.Run("UUID格式验证", func(t *testing.T) {
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uuid := helpers.NewUUIDv7()
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// UUID v7 应该是 32 个十六进制字符
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require.Len(t, uuid, 32)
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// 检查每个字符都是有效的十六进制
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for i, c := range uuid {
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assert.True(t,
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(c >= '0' && c <= '9') || (c >= 'a' && c <= 'f'),
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"字符 %c 在位置 %d 不是有效的十六进制字符", c, i)
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}
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})
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t.Run("并发生成UUID", func(t *testing.T) {
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const concurrency = 100
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uuids := make([]string, concurrency)
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var wg sync.WaitGroup
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wg.Add(concurrency)
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for i := range concurrency {
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go func(idx int) {
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defer wg.Done()
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uuids[idx] = helpers.NewUUIDv7()
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}(i)
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}
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wg.Wait()
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// 验证所有 UUID 都不为空且格式正确
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for i, uuid := range uuids {
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assert.NotEmpty(t, uuid, "UUID %d 不应该为空", i)
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assert.Regexp(t, uuidPattern, uuid, "UUID %d 格式不正确", i)
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}
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// 验证所有 UUID 都是唯一的
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uniqueMap := make(map[string]bool)
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for _, uuid := range uuids {
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assert.False(t, uniqueMap[uuid], "UUID重复: %s", uuid)
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uniqueMap[uuid] = true
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}
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assert.Len(t, uniqueMap, concurrency, "应该生成%d个唯一的UUID", concurrency)
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})
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t.Run("UUID包含时间戳信息", func(t *testing.T) {
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// 连续生成多个UUID，它们的时间戳部分应该相近或递增
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uuid1 := helpers.NewUUIDv7()
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uuid2 := helpers.NewUUIDv7()
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// UUID v7 的前12个字符主要是时间戳
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// 在很短的时间内生成的UUID，时间戳部分应该相同或非常接近
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timePrefix1 := uuid1[:12]
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timePrefix2 := uuid2[:12]
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// 时间戳应该相同或第二个略大（因为时间在递增）
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assert.True(t,
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timePrefix1 == timePrefix2 || timePrefix1 <= timePrefix2,
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"UUID的时间戳部分应该单调递增")
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})
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t.Run("批量生成UUID性能测试", func(t *testing.T) {
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const iterations = 1000
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uuids := make([]string, iterations)
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for i := range iterations {
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uuids[i] = helpers.NewUUIDv7()
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}
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// 验证所有UUID都有效
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for i, uuid := range uuids {
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assert.Regexp(t, uuidPattern, uuid, "UUID %d 格式不正确", i)
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}
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// 简单的唯一性检查
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uniqueMap := make(map[string]bool)
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for _, uuid := range uuids {
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uniqueMap[uuid] = true
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}
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assert.Len(t, uniqueMap, iterations, "应该生成%d个唯一的UUID", iterations)
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})
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}
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func TestNewUUIDv7_Format(t *testing.T) {
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// 测试UUID v7的具体格式要求
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uuid := helpers.NewUUIDv7()
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// 总长度 32
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assert.Len(t, uuid, 32)
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// 全部小写
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for _, c := range uuid {
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if c >= 'a' && c <= 'f' {
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assert.True(t, c >= 'a' && c <= 'f')
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} else {
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assert.True(t, c >= '0' && c <= '9')
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}
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}
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}
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func TestNewUUIDv7_EdgeCases(t *testing.T) {
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t.Run("快速连续生成", func(t *testing.T) {
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// 在极短时间内生成多个UUID
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uuids := make([]string, 10)
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for i := range 10 {
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uuids[i] = helpers.NewUUIDv7()
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}
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// 所有UUID应该都有效且唯一
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seen := make(map[string]bool)
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for _, uuid := range uuids {
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assert.Len(t, uuid, 32)
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assert.False(t, seen[uuid], "UUID不应该重复")
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seen[uuid] = true
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}
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})
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}
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