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【开源之夏】新增UUIDv7的生成器

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Looly
2024-09-29 09:27:25 +08:00
parent f0c591a1b1
commit 876a69e8c2
2 changed files with 18 additions and 16 deletions
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16
hutool-core/src/test/java/org/dromara/hutool/core/util/IdUtilTest.java
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@@ -31,7 +31,6 @@ import org.junit.jupiter.api.Test;
import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.CountDownLatch;
import static org.junit.jupiter.api.Assertions.*;
@@ -79,7 +78,7 @@ public class IdUtilTest {
timer.start();
for (int i = 0; i < 1000000; i++) {
//noinspection ResultOfMethodCallIgnored
UUID.randomUUID().toString().replace("-", "");
java.util.UUID.randomUUID().toString().replace("-", "");
}
timer.stop();
Console.log(timer.getLastTaskTimeMillis());
@@ -169,8 +168,8 @@ public class IdUtilTest {
@Test
public void testUUIDv7Format() {
org.dromara.hutool.core.data.id.UUID uuid = org.dromara.hutool.core.data.id.UUID.randomUUID7();
String uuidStr = uuid.toString();
final org.dromara.hutool.core.data.id.UUID uuid = org.dromara.hutool.core.data.id.UUID.randomUUID7();
final String uuidStr = uuid.toString();
// 验证UUID字符串格式是否符合标准
assertTrue(uuidStr.matches("^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"));
@@ -178,7 +177,7 @@ public class IdUtilTest {
@Test
public void testUUIDv7Properties() {
org.dromara.hutool.core.data.id.UUID uuid = org.dromara.hutool.core.data.id.UUID.randomUUID7();
final org.dromara.hutool.core.data.id.UUID uuid = org.dromara.hutool.core.data.id.UUID.randomUUID7();
// 验证版本号是否为7
assertEquals(7, uuid.version());
@@ -190,11 +189,11 @@ public class IdUtilTest {
@RepeatedTest(10)
public void testUUIDv7Uniqueness() {
Set<org.dromara.hutool.core.data.id.UUID> uuids = new HashSet<>();
final Set<org.dromara.hutool.core.data.id.UUID> uuids = new HashSet<>();
// 生成100万个UUIDv7，验证是否有重复
for (int i = 0; i < 1000000; i++) {
org.dromara.hutool.core.data.id.UUID uuid = org.dromara.hutool.core.data.id.UUID.randomUUID7();
final org.dromara.hutool.core.data.id.UUID uuid = org.dromara.hutool.core.data.id.UUID.randomUUID7();
assertFalse(uuids.contains(uuid));
uuids.add(uuid);
}
@@ -207,7 +206,7 @@ public class IdUtilTest {
// 验证连续生成的1000个UUIDv7是否呈单调递增趋势
for (int i = 0; i < 1000; i++) {
org.dromara.hutool.core.data.id.UUID next = org.dromara.hutool.core.data.id.UUID.randomUUID7();
final org.dromara.hutool.core.data.id.UUID next = org.dromara.hutool.core.data.id.UUID.randomUUID7();
assertTrue(next.compareTo(prev) > 0);
prev = next;
}
@@ -217,6 +216,7 @@ public class IdUtilTest {
* UUIDv7的性能测试
*/
@Test
@Disabled
public void testUUIDv7Benchmark() {
final StopWatch timer = DateUtil.createStopWatch();