Merge branch 'master' into master-4988

shenyu-web/src/test/java/org/apache/shenyu/web/loader/ShenyuPluginClassLoaderHolderTest.java

@@ -0,0 +1,57 @@
+/*
+ * 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.shenyu.web.loader;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+/**
+ * test case for {@link ShenyuPluginClassLoaderHolder}.
+ */
+public final class ShenyuPluginClassLoaderHolderTest {
+
+    private PluginJarParser.PluginJar pluginJar;
+
+    @BeforeEach
+    public void setUp() {
+        pluginJar = mock(PluginJarParser.PluginJar.class);
+        when(pluginJar.getAbsolutePath()).thenReturn("testKey");
+    }
+
+    @Test
+    public void getSingleton() {
+        assertNotNull(ShenyuPluginClassLoaderHolder.getSingleton());
+    }
+
+    @Test
+    public void createPluginClassLoader() {
+        ShenyuPluginClassLoaderHolder singleton = ShenyuPluginClassLoaderHolder.getSingleton();
+        ShenyuPluginClassLoader pluginClassLoader = singleton.createPluginClassLoader(pluginJar);
+        assertNotNull(pluginClassLoader);
+    }
+
+    @Test
+    public void removePluginClassLoader() {
+        ShenyuPluginClassLoaderHolder singleton = ShenyuPluginClassLoaderHolder.getSingleton();
+        singleton.removePluginClassLoader("testKey");
+    }
+}