Add unit test for common module (#8000)

dubbo-common/src/test/java/org/apache/dubbo/common/utils/JVMUtilTest.java

@@ -17,5 +17,15 @@
 
 package org.apache.dubbo.common.utils;
 
+import org.junit.jupiter.api.Test;
+import java.io.ByteArrayOutputStream;
+
 public class JVMUtilTest {
+    @Test
+    public void test() throws Exception {
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        JVMUtil.jstack(bos);
+        String threadStackInfo = new String(bos.toByteArray());
+        System.out.println(threadStackInfo);
+    }
 }

dubbo-common/src/test/java/org/apache/dubbo/common/utils/PathUtilsTest.java

@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.common.utils;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class PathUtilsTest {
+    @Test
+    public void buildPathTest() {
+        String rootPath = PathUtils.buildPath("/dubbo/config");
+        Assertions.assertEquals(rootPath, "/dubbo/config");
+
+        String rootPathAndSubPath = PathUtils.buildPath("/dubbo/config", "A", "B");
+        Assertions.assertEquals(rootPathAndSubPath, "/dubbo/config/A/B");
+
+        String filterEmptySubPath = PathUtils.buildPath("/dubbo/config", null, "B");
+        Assertions.assertEquals(filterEmptySubPath, "/dubbo/config/B");
+    }
+
+    @Test
+    public void normalizeTest() {
+        String emptyPath = PathUtils.normalize("");
+        Assertions.assertEquals(emptyPath, "/");
+
+        String removeQuestionMask = PathUtils.normalize("/A/B?k1=v1");
+        Assertions.assertEquals(removeQuestionMask, "/A/B");
+
+        String multiSlash = PathUtils.normalize("/A/B//C//D");
+        Assertions.assertEquals(multiSlash, "/A/B/C/D");
+    }
+}

dubbo-common/src/test/java/org/apache/dubbo/common/utils/ServiceAnnotationResolverTest.java

@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.common.utils;
+
+import org.apache.dubbo.config.annotation.DubboService;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class ServiceAnnotationResolverTest {
+    @Test
+    public void test() {
+        ServiceAnnotationResolver resolver = new ServiceAnnotationResolver(Demo.class);
+        Assertions.assertEquals(resolver.getServiceType(), Demo.class);
+        Assertions.assertNotNull(resolver.getServiceAnnotation());
+        Assertions.assertTrue(resolver.getServiceAnnotation().annotationType() == DubboService.class);
+        Assertions.assertEquals(resolver.resolveGroup(), "GroupA");
+        Assertions.assertEquals(resolver.resolveVersion(), "1.0.0");
+
+        Assertions.assertThrows(IllegalArgumentException.class, () -> new ServiceAnnotationResolver(Demo2.class));
+    }
+
+    @Test
+    public void resolveInterfaceClassNameTest() {
+        ServiceAnnotationResolver resolver3 = new ServiceAnnotationResolver(Demo3.class);
+        Assertions.assertEquals(resolver3.resolveInterfaceClassName(), IDemo.class.getName());
+    }
+
+    interface IDemo {
+
+    }
+
+    @DubboService(version = "1.0.0", group = "GroupA")
+    class Demo {
+
+    }
+
+    class Demo2 {
+
+    }
+
+    @DubboService
+    class Demo3 implements IDemo {
+
+    }
+}