fix(ft546): serialize shuttle reader lifecycle

ruoyi-admin/src/test/java/com/ruoyi/project/ft546/device/Ft546DeviceRuntimeRegistryTest.java

@@ -1,9 +1,11 @@
 package com.ruoyi.project.ft546.device;
 
 import com.ruoyi.common.domain.PlcConnectInfo;
+import com.ruoyi.common.domain.CustomThread;
 import com.ruoyi.device.srgv.domain.DeviceSrgv;
 import com.ruoyi.project.ft546.config.Ft546DeviceProfile;
 import com.ruoyi.project.ft546.device.shuttle.Ft546SrgvRuntimeFactory;
+import com.ruoyi.schedule.ScheduleThread;
 import com.ruoyi.schedule.plcRead.srgv.PlcSrgvRead;
 import org.junit.jupiter.api.Test;
 
@@ -14,6 +16,7 @@ import java.nio.file.Paths;
 
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.junit.jupiter.api.Assertions.assertSame;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
@@ -55,6 +58,29 @@ class Ft546DeviceRuntimeRegistryTest {
                 () -> new Ft546SrgvRuntimeFactory().create(device, profile));
     }
 
+    @Test
+    void factoryRejectsMissingDeviceWithTheDeclaredValidationError() {
+        assertThrows(IllegalArgumentException.class,
+                () -> new Ft546SrgvRuntimeFactory().create(null));
+    }
+
+    @Test
+    void startingFactReadersTwiceIsIdempotent() {
+        ScheduleThread schedule = new ScheduleThread();
+        schedule.plcSsjReadCustomThread = noOpThread();
+        schedule.plcTsjReadCustomThread = noOpThread();
+        schedule.plcCdzReadCustomThread = noOpThread();
+
+        schedule.startAllThread();
+
+        assertDoesNotThrow(schedule::startAllThread);
+    }
+
+    @Test
+    void stoppingBeforeInitializationIsANoOp() {
+        assertDoesNotThrow(() -> new ScheduleThread().stopAllThread());
+    }
+
     @Test
     void schedulingAndLegacySendPathsDoNotSelectThreeFixedReaders()
             throws Exception {
@@ -75,6 +101,10 @@ class Ft546DeviceRuntimeRegistryTest {
                 new PlcConnectInfo(device.getIp(), device.getPort()));
     }
 
+    private static <T> CustomThread<T> noOpThread() {
+        return new CustomThread<T>(new Thread(() -> { }), null);
+    }
+
     private static DeviceSrgv device(String id) {
         DeviceSrgv device = new DeviceSrgv();
         device.setDeviceId(Integer.valueOf(id));