[ISSUE #4991] add unit test for LogUtil (#5100)

eventmesh-common/src/test/java/org/apache/eventmesh/common/utils/LogUtilTest.java

@@ -0,0 +1,199 @@
+/*
+ * 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.eventmesh.common.utils;
+
+import static org.mockito.ArgumentMatchers.same;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
+import java.util.function.Supplier;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.slf4j.Logger;
+import org.slf4j.spi.LoggingEventBuilder;
+
+@ExtendWith(MockitoExtension.class)
+class LogUtilTest {
+
+    private Logger mockLogger;
+    private LoggingEventBuilder mockEventBuilder;
+    private Supplier<String> supplier;
+    private String logMessage;
+
+    @BeforeEach
+    void setUp() {
+
+        mockLogger = mock(Logger.class);
+        mockEventBuilder = mock(LoggingEventBuilder.class);
+
+        supplier = () -> "{\"orderId\": 12345, \"amount\": 100}";
+        logMessage = "Processing order with data: {}";
+    }
+
+    @Test
+    void testDebugLogsWithSupplier() {
+
+        doReturn(mockEventBuilder).when(mockLogger).atDebug();
+        doReturn(mockEventBuilder).when(mockEventBuilder).addArgument(same(supplier));
+
+        LogUtil.debug(mockLogger, logMessage, supplier);
+
+        verify(mockLogger).atDebug();
+        verify(mockEventBuilder).addArgument(same(supplier));
+        verify(mockEventBuilder).log(logMessage);
+
+    }
+
+    @Test
+    void testDebugLogsWithSupplierAndException() {
+        Throwable throwable = new RuntimeException("Order processing failed");
+
+
+        doReturn(mockEventBuilder).when(mockLogger).atDebug();
+        doReturn(mockEventBuilder).when(mockEventBuilder).addArgument(same(supplier));
+        doReturn(mockEventBuilder).when(mockEventBuilder).setCause(throwable);
+
+        LogUtil.debug(mockLogger, logMessage, supplier, throwable);
+
+        verify(mockLogger).atDebug();
+        verify(mockEventBuilder).addArgument(same(supplier));
+        verify(mockEventBuilder).setCause(throwable);
+        verify(mockEventBuilder).log(logMessage);
+    }
+
+    @Test
+    void testDebugLogsWithSuppliers() {
+
+        Supplier<String> supplier2 = () -> "{\"orderId\": 67890, \"amount\": 200}";
+
+        doReturn(mockEventBuilder).when(mockLogger).atDebug();
+        doReturn(mockEventBuilder).when(mockEventBuilder).addArgument(same(supplier));
+        doReturn(mockEventBuilder).when(mockEventBuilder).addArgument(same(supplier2));
+
+        LogUtil.debug(mockLogger, logMessage, supplier, supplier2);
+
+        verify(mockLogger).atDebug();
+        verify(mockEventBuilder).addArgument(same(supplier));
+        verify(mockEventBuilder).addArgument(same(supplier2));
+        verify(mockEventBuilder).log(logMessage);
+    }
+
+    @Test
+    void testInfoLogsWithSupplier() {
+
+        doReturn(mockEventBuilder).when(mockLogger).atInfo();
+        doReturn(mockEventBuilder).when(mockEventBuilder).addArgument(same(supplier));
+
+        LogUtil.info(mockLogger, logMessage, supplier);
+
+        verify(mockLogger).atInfo();
+        verify(mockEventBuilder).addArgument(same(supplier));
+        verify(mockEventBuilder).log(logMessage);
+
+    }
+
+    @Test
+    void testInfoLogsWithSupplierAndException() {
+
+        Throwable throwable = new RuntimeException("Order processing failed");
+
+        doReturn(mockEventBuilder).when(mockLogger).atInfo();
+        doReturn(mockEventBuilder).when(mockEventBuilder).addArgument(same(supplier));
+        doReturn(mockEventBuilder).when(mockEventBuilder).setCause(throwable);
+
+        LogUtil.info(mockLogger, logMessage, supplier, throwable);
+
+        verify(mockLogger).atInfo();
+        verify(mockEventBuilder).addArgument(same(supplier));
+        verify(mockEventBuilder).setCause(throwable);
+        verify(mockEventBuilder).log(logMessage);
+
+    }
+
+    @Test
+    void testInfoLogsWithSuppliers() {
+
+        Supplier<String> supplier2 = () -> "{\"orderId\": 67890, \"amount\": 200}";
+
+        doReturn(mockEventBuilder).when(mockLogger).atInfo();
+        doReturn(mockEventBuilder).when(mockEventBuilder).addArgument(same(supplier));
+        doReturn(mockEventBuilder).when(mockEventBuilder).addArgument(same(supplier2));
+
+        LogUtil.info(mockLogger, logMessage, supplier, supplier2);
+
+        verify(mockLogger).atInfo();
+        verify(mockEventBuilder).addArgument(same(supplier));
+        verify(mockEventBuilder).addArgument(same(supplier2));
+        verify(mockEventBuilder).log(logMessage);
+    }
+
+    @Test
+    void testWarnLogsWithSupplier() {
+
+        doReturn(mockEventBuilder).when(mockLogger).atWarn();
+        doReturn(mockEventBuilder).when(mockEventBuilder).addArgument(same(supplier));
+
+        LogUtil.warn(mockLogger, logMessage, supplier);
+
+        verify(mockLogger).atWarn();
+        verify(mockEventBuilder).addArgument(same(supplier));
+        verify(mockEventBuilder).log(logMessage);
+
+    }
+
+    @Test
+    void testWarnLogsWithSupplierAndException() {
+
+        Throwable throwable = new RuntimeException("Order processing failed");
+
+        doReturn(mockEventBuilder).when(mockLogger).atWarn();
+        doReturn(mockEventBuilder).when(mockEventBuilder).addArgument(same(supplier));
+        doReturn(mockEventBuilder).when(mockEventBuilder).setCause(throwable);
+
+        LogUtil.warn(mockLogger, logMessage, supplier, throwable);
+
+        verify(mockLogger).atWarn();
+        verify(mockEventBuilder).addArgument(same(supplier));
+        verify(mockEventBuilder).setCause(throwable);
+        verify(mockEventBuilder).log(logMessage);
+
+    }
+
+    @Test
+    void testWarnLogsWithSuppliers() {
+
+        Supplier<String> supplier2 = () -> "{\"orderId\": 67890, \"amount\": 200}";
+
+        doReturn(mockEventBuilder).when(mockLogger).atWarn();
+        doReturn(mockEventBuilder).when(mockEventBuilder).addArgument(same(supplier));
+        doReturn(mockEventBuilder).when(mockEventBuilder).addArgument(same(supplier2));
+
+        LogUtil.warn(mockLogger, logMessage, supplier, supplier2);
+
+        verify(mockLogger).atWarn();
+        verify(mockEventBuilder).addArgument(same(supplier));
+        verify(mockEventBuilder).addArgument(same(supplier2));
+        verify(mockEventBuilder).log(logMessage);
+    }
+
+}