add test

hutool-core/src/test/java/org/dromara/hutool/core/spi/SpiUtilTest.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2023 looly(loolly@aliyun.com)
+ * Hutool is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *          http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+
+package org.dromara.hutool.core.spi;
+
+import org.dromara.hutool.core.exceptions.UtilException;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class SpiUtilTest {
+
+	@Test
+	void loadFirstAvailableTest() {
+		final MapServiceLoader<TestSPI1> serviceLoader = MapServiceLoader.of(TestSPI1.class);
+		final TestSPI1 testSPI1 = SpiUtil.loadFirstAvailable(serviceLoader);
+		Assertions.assertNotNull(testSPI1);
+		Assertions.assertEquals("test service 1", testSPI1.doSth());
+	}
+
+	@Test
+	void getServiceClassTest() {
+		final MapServiceLoader<TestSPI1> serviceLoader = MapServiceLoader.of(TestSPI1.class);
+		final Class<TestSPI1> service1 = serviceLoader.getServiceClass("service1");
+		Assertions.assertEquals(TestService1.class, service1);
+	}
+
+	@Test
+	void getServiceClassNotExistTest() {
+		final MapServiceLoader<TestSPI1> serviceLoader = MapServiceLoader.of(TestSPI1.class);
+		Assertions.assertThrows(UtilException.class, ()->{
+			serviceLoader.getServiceClass("service2");
+		});
+	}
+
+	@Test
+	void getServiceClassEmptyTest() {
+		final MapServiceLoader<TestSPI1> serviceLoader = MapServiceLoader.of(TestSPI1.class);
+		final Class<TestSPI1> serviceEmpty = serviceLoader.getServiceClass("serviceEmpty");
+		Assertions.assertNull(serviceEmpty);
+	}
+
+	@Test
+	void getServiceNotDefineTest() {
+		final MapServiceLoader<TestSPI1> serviceLoader = MapServiceLoader.of(TestSPI1.class);
+		final Class<TestSPI1> service1 = serviceLoader.getServiceClass("serviceNotDefine");
+		Assertions.assertNull(service1);
+	}
+
+	public interface TestSPI1{
+		String doSth();
+	}
+
+	public static class TestService1 implements TestSPI1{
+
+		@Override
+		public String doSth() {
+			return "test service 1";
+		}
+	}
+}

hutool-core/src/test/resources/META-INF/hutool/org.dromara.hutool.core.spi.SpiUtilTest$TestSPI1

@@ -0,0 +1,6 @@
+# 无服务
+serviceEmpty =
+# 正常服务
+service1 = org.dromara.hutool.core.spi.SpiUtilTest$TestService1
+# 此服务类未定义
+service2 = org.dromara.hutool.core.spi.SpiUtilTest$TestService2