【同步】BOOT 和 CLOUD 的功能

yudao-module-iot/yudao-module-iot-core/src/test/java/cn/iocoder/yudao/module/iot/core/util/IotDeviceMessageUtilsTest.java

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+package cn.iocoder.yudao.module.iot.core.util;
+
+import cn.iocoder.yudao.module.iot.core.mq.message.IotDeviceMessage;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+/**
+ * {@link IotDeviceMessageUtils} 的单元测试
+ *
+ * @author HUIHUI
+ */
+public class IotDeviceMessageUtilsTest {
+
+    @Test
+    public void testExtractPropertyValue_directValue() {
+        // 测试直接值（非 Map）
+        IotDeviceMessage message = new IotDeviceMessage();
+        message.setParams(25.5);
+
+        Object result = IotDeviceMessageUtils.extractPropertyValue(message, "temperature");
+        assertEquals(25.5, result);
+    }
+
+    @Test
+    public void testExtractPropertyValue_directIdentifier() {
+        // 测试直接通过标识符获取
+        IotDeviceMessage message = new IotDeviceMessage();
+        Map<String, Object> params = new HashMap<>();
+        params.put("temperature", 25.5);
+        message.setParams(params);
+
+        Object result = IotDeviceMessageUtils.extractPropertyValue(message, "temperature");
+        assertEquals(25.5, result);
+    }
+
+    @Test
+    public void testExtractPropertyValue_propertiesStructure() {
+        // 测试 properties 结构
+        IotDeviceMessage message = new IotDeviceMessage();
+        Map<String, Object> properties = new HashMap<>();
+        properties.put("temperature", 25.5);
+        properties.put("humidity", 60);
+
+        Map<String, Object> params = new HashMap<>();
+        params.put("properties", properties);
+        message.setParams(params);
+
+        Object result = IotDeviceMessageUtils.extractPropertyValue(message, "temperature");
+        assertEquals(25.5, result);
+    }
+
+    @Test
+    public void testExtractPropertyValue_dataStructure() {
+        // 测试 data 结构
+        IotDeviceMessage message = new IotDeviceMessage();
+        Map<String, Object> data = new HashMap<>();
+        data.put("temperature", 25.5);
+
+        Map<String, Object> params = new HashMap<>();
+        params.put("data", data);
+        message.setParams(params);
+
+        Object result = IotDeviceMessageUtils.extractPropertyValue(message, "temperature");
+        assertEquals(25.5, result);
+    }
+
+    @Test
+    public void testExtractPropertyValue_valueField() {
+        // 测试 value 字段
+        IotDeviceMessage message = new IotDeviceMessage();
+        Map<String, Object> params = new HashMap<>();
+        params.put("identifier", "temperature");
+        params.put("value", 25.5);
+        message.setParams(params);
+
+        Object result = IotDeviceMessageUtils.extractPropertyValue(message, "temperature");
+        assertEquals(25.5, result);
+    }
+
+    @Test
+    public void testExtractPropertyValue_singleValueMap() {
+        // 测试单值 Map（包含 identifier 和一个值）
+        IotDeviceMessage message = new IotDeviceMessage();
+        Map<String, Object> params = new HashMap<>();
+        params.put("identifier", "temperature");
+        params.put("actualValue", 25.5);
+        message.setParams(params);
+
+        Object result = IotDeviceMessageUtils.extractPropertyValue(message, "temperature");
+        assertEquals(25.5, result);
+    }
+
+    @Test
+    public void testExtractPropertyValue_notFound() {
+        // 测试未找到属性值
+        IotDeviceMessage message = new IotDeviceMessage();
+        Map<String, Object> params = new HashMap<>();
+        params.put("humidity", 60);
+        message.setParams(params);
+
+        Object result = IotDeviceMessageUtils.extractPropertyValue(message, "temperature");
+        assertNull(result);
+    }
+
+    @Test
+    public void testExtractPropertyValue_nullParams() {
+        // 测试 params 为 null
+        IotDeviceMessage message = new IotDeviceMessage();
+        message.setParams(null);
+
+        Object result = IotDeviceMessageUtils.extractPropertyValue(message, "temperature");
+        assertNull(result);
+    }
+
+    @Test
+    public void testExtractPropertyValue_priorityOrder() {
+        // 测试优先级顺序：直接标识符 > properties > data > value
+        IotDeviceMessage message = new IotDeviceMessage();
+
+        Map<String, Object> properties = new HashMap<>();
+        properties.put("temperature", 20.0);
+
+        Map<String, Object> data = new HashMap<>();
+        data.put("temperature", 30.0);
+
+        Map<String, Object> params = new HashMap<>();
+        params.put("temperature", 25.5); // 最高优先级
+        params.put("properties", properties);
+        params.put("data", data);
+        params.put("value", 40.0);
+        message.setParams(params);
+
+        Object result = IotDeviceMessageUtils.extractPropertyValue(message, "temperature");
+        assertEquals(25.5, result); // 应该返回直接标识符的值
+    }
+}