package com.ruoyi.config;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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import static org.mockito.ArgumentMatchers.any;
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import static org.mockito.ArgumentMatchers.anyLong;
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import static org.mockito.Mockito.doAnswer;
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import static org.mockito.Mockito.clearInvocations;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.when;
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import java.util.ArrayList;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.atomic.AtomicReference;
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import org.junit.jupiter.api.Test;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.core.ListOperations;
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import org.springframework.data.redis.core.SessionCallback;
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import org.springframework.data.redis.core.SetOperations;
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import org.springframework.data.redis.core.ValueOperations;
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import com.alibaba.fastjson2.JSON;
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import com.alibaba.fastjson2.JSONObject;
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import com.battery.device.model.DeviceWorkStatus;
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import com.battery.device.simulator.BtsDevelopmentSimulator;
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import com.battery.device.simulator.BtsSimulatorStateStore.ChannelState;
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import com.battery.device.simulator.BtsSimulatorStateStore.ChannelTombstone;
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import com.battery.device.simulator.BtsSimulatorStateStore.CollectorState;
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import com.battery.device.simulator.BtsSimulatorStateStore.DeviceState;
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import com.battery.device.simulator.BtsSimulatorStateStore.SimulatorState;
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import com.battery.device.discovery.DeviceDiscoveryCandidateStore.CabinetCandidate;
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import com.battery.device.discovery.DeviceDiscoveryCandidateStore.ChannelCandidate;
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import com.battery.device.discovery.DeviceDiscoveryCandidateStore.CollectorCandidate;
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import com.battery.device.model.ChannelIdentity;
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import com.ruoyi.framework.config.FastJson2JsonRedisSerializer;
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class RedisStateStoreTest
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{
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@Test
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void initializesOnlyWhenStateIsAbsentAndRestoresSavedState()
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{
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AtomicReference<Object> stored = new AtomicReference<>();
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RedisBtsSimulatorStateStore store = store(stored);
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SimulatorState defaults = state(1, "127.0.0.2");
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assertEquals(defaults, store.loadOrInitialize(defaults));
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SimulatorState changed = state(7, "127.0.0.9");
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store.save(changed);
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assertEquals(changed, store.loadOrInitialize(defaults));
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}
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@Test
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void restoresNestedSimulatorStateFromRedisSerializer()
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{
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SimulatorState expected = new SimulatorState(1,
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List.of(new DeviceState(2, "127.0.0.3", false,
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List.of(new ChannelState(1, true, DeviceWorkStatus.WORKING)))),
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List.of(new CollectorState(3, "dev-sim-collector-3", "127.0.1.3",
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"02:43:00:00:00:03", "模拟采集器", "开发模拟器",
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"Virtual Collector", 3, true)),
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3, 4, List.of(new ChannelTombstone(1, "127.0.0.2", 4, 2)));
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FastJson2JsonRedisSerializer<Object> serializer = new FastJson2JsonRedisSerializer<>(Object.class);
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AtomicReference<Object> stored = new AtomicReference<>(
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serializer.deserialize(serializer.serialize(JSON.toJSONString(expected))));
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SimulatorState restored = store(stored).loadOrInitialize(state(1, "127.0.0.2"));
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assertEquals(expected, restored);
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assertEquals(DeviceWorkStatus.WORKING, restored.devices().get(0).channels().get(0).workStatus());
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}
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@Test
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void upgradesLegacyCollectorDiscoveryStateWithSamplingDefaults()
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{
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AtomicReference<Object> stored = new AtomicReference<>("{\"version\":1,\"devices\":[],"
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+ "\"collectors\":[{\"collectorId\":1,\"deviceCode\":\"dev-sim-collector-1\","
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+ "\"ip\":\"127.0.1.2\",\"mac\":\"02:43:00:00:00:01\","
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+ "\"name\":\"模拟采集器\",\"manufacturer\":\"开发模拟器\","
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+ "\"model\":\"Virtual Collector\",\"channelCount\":2,\"online\":true}],"
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+ "\"nextDeviceId\":1,\"nextCollectorId\":2,\"tombstones\":[]}");
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SimulatorState restored = store(stored).loadOrInitialize(state(1, "127.0.0.2"));
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CollectorState collector = restored.collectors().get(0);
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assertEquals(1000, collector.sampleIntervalMs());
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assertEquals(1L, collector.nextSequence());
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assertEquals(List.of("S-01", "S-02"),
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collector.channels().stream().map(channel -> channel.channelCode()).toList());
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assertEquals(0L, collector.historyRecordCount());
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}
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@Test
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void migratesEmbeddedCollectorHistoryToAppendOnlyRedisList()
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{
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AtomicReference<Object> stored = new AtomicReference<>("{\"version\":1,\"devices\":[],"
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+ "\"collectors\":[{\"collectorId\":1,\"deviceCode\":\"dev-sim-collector-1\","
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+ "\"ip\":\"127.0.1.2\",\"mac\":\"02:43:00:00:00:01\","
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+ "\"name\":\"模拟采集器\",\"manufacturer\":\"开发模拟器\","
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+ "\"model\":\"Virtual Collector\",\"channelCount\":1,\"online\":true,"
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+ "\"sampleIntervalMs\":1000,\"nextSequence\":2,"
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+ "\"lastSampledAt\":\"2026-08-29T05:00:00Z\","
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+ "\"channels\":[{\"channelCode\":\"S-01\",\"metrics\":[{"
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+ "\"metricCode\":\"temperature\",\"value\":25.1,\"unit\":\"℃\"}]}],"
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+ "\"history\":[{\"adapterCode\":\"dev-sim\","
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+ "\"collectorCode\":\"dev-sim-collector-1\",\"channelCode\":\"S-01\","
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+ "\"sequenceId\":1,\"deviceTime\":\"2026-08-29T05:00:00Z\","
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+ "\"deviceTimeRaw\":\"2026-08-29 13:00:00.000\","
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+ "\"serverReceivedAt\":\"2026-08-29T05:00:00Z\","
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+ "\"metricCode\":\"temperature\",\"value\":25.1,\"unit\":\"℃\"}],"
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+ "\"historyFaults\":{\"missingSequences\":[],\"outOfOrder\":false}}],"
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+ "\"nextDeviceId\":1,\"nextCollectorId\":2,\"tombstones\":[]}");
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RedisBtsSimulatorStateStore store = store(stored);
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SimulatorState restored = store.loadOrInitialize(state(1, "127.0.0.2"));
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assertEquals(1L, restored.collectors().get(0).historyRecordCount());
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assertEquals(1, store.loadCollectorHistoryPage("dev-sim-collector-1", 0, 1000, false)
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.records().size());
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assertEquals(true, stored.get().toString().contains("\"history\":[{"));
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store.completeValidatedRestore(restored);
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assertEquals(false, stored.get().toString().contains("\"history\":[{"));
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}
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@Test
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void clearsLegacyEmbeddedHistoryForDemoStartup() throws Exception
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{
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AtomicReference<Object> stored = new AtomicReference<>("{\"version\":1,\"devices\":[],"
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+ "\"collectors\":[{\"collectorId\":1,\"deviceCode\":\"dev-sim-collector-1\","
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+ "\"ip\":\"127.0.1.2\",\"mac\":\"02:43:00:00:00:01\","
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+ "\"name\":\"模拟采集器\",\"manufacturer\":\"开发模拟器\","
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+ "\"model\":\"Virtual Collector\",\"channelCount\":1,\"online\":true,"
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+ "\"sampleIntervalMs\":1000,\"nextSequence\":2,"
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+ "\"lastSampledAt\":\"2026-08-29T05:00:00Z\","
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+ "\"channels\":[{\"channelCode\":\"S-01\",\"metrics\":[{"
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+ "\"metricCode\":\"temperature\",\"value\":25.1,\"unit\":\"℃\"}]}],"
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+ "\"history\":[{\"adapterCode\":\"dev-sim\","
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+ "\"collectorCode\":\"wrong-collector\",\"channelCode\":\"S-01\","
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+ "\"sequenceId\":1,\"deviceTime\":\"2026-08-29T05:00:00Z\","
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+ "\"deviceTimeRaw\":\"2026-08-29 13:00:00.000\","
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+ "\"serverReceivedAt\":\"2026-08-29T05:00:00Z\","
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+ "\"metricCode\":\"temperature\",\"value\":25.1,\"unit\":\"℃\"}],"
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+ "\"historyFaults\":{\"missingSequences\":[],\"outOfOrder\":false}}],"
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+ "\"nextDeviceId\":1,\"nextCollectorId\":2,\"tombstones\":[]}");
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try (BtsDevelopmentSimulator simulator = new BtsDevelopmentSimulator(0, store(stored)))
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{
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assertEquals(0L, simulator.snapshot().collectors().get(0).historyRecordCount());
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}
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assertEquals(false, stored.get().toString().contains("\"history\":[{"));
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}
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@Test
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void rejectsIncompatibleVersionWithoutOverwritingIt()
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{
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AtomicReference<Object> stored = new AtomicReference<>("{\"version\":2,\"devices\":[],"
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+ "\"collectors\":[],\"nextDeviceId\":1,\"nextCollectorId\":1,\"tombstones\":[]}");
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RedisBtsSimulatorStateStore store = store(stored);
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IllegalStateException exception = assertThrows(IllegalStateException.class,
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() -> store.loadOrInitialize(state(1, "127.0.0.2")));
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assertEquals("Unsupported BTS simulator state version: 2", exception.getMessage());
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assertEquals(true, stored.get().toString().contains("\"version\":2"));
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}
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@Test
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void atomicallySavesCollectorDeletionAndRemovesIndependentHistory()
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{
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AtomicReference<Object> stored = new AtomicReference<>();
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RedisBtsSimulatorStateStore store = store(stored);
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SimulatorState current = state(1, "127.0.0.2");
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store.loadOrInitialize(current);
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var record = new com.battery.device.simulator.BtsSimulatorStateStore.CollectorMeasurementRecord(
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"dev-sim", "dev-sim-collector-1", "S-01", 1L,
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java.time.Instant.parse("2026-08-29T05:00:00Z"), "2026-08-29 13:00:00.000",
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java.time.Instant.parse("2026-08-29T05:00:00Z"), "temperature",
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new java.math.BigDecimal("25.1"), "℃");
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store.save(current, List.of(
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new com.battery.device.simulator.BtsSimulatorStateStore.CollectorHistoryAppend(
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"dev-sim-collector-1", List.of(record))));
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SimulatorState next = state(7, "127.0.0.9");
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store.saveAndDeleteCollectorHistory(next, "dev-sim-collector-1");
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assertEquals(next, store.loadOrInitialize(current));
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assertEquals(List.of(), store.loadCollectorHistoryPage("dev-sim-collector-1", 0, 1000, false)
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.records());
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}
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@Test
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void readsOnlyRequestedCollectorHistoryRange()
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{
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AtomicReference<Object> stored = new AtomicReference<>();
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RedisTemplate<Object, Object> redis = redis(stored);
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RedisBtsSimulatorStateStore store = new RedisBtsSimulatorStateStore(redis);
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SimulatorState current = state(1, "127.0.0.2");
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store.loadOrInitialize(current);
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var record = new com.battery.device.simulator.BtsSimulatorStateStore.CollectorMeasurementRecord(
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"dev-sim", "dev-sim-collector-1", "S-01", 1L,
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java.time.Instant.parse("2026-08-29T05:00:00Z"), "2026-08-29 13:00:00.000",
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java.time.Instant.parse("2026-08-29T05:00:00Z"), "temperature",
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new java.math.BigDecimal("25.1"), "℃");
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store.save(current, List.of(
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new com.battery.device.simulator.BtsSimulatorStateStore.CollectorHistoryAppend(
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"dev-sim-collector-1", java.util.Collections.nCopies(1010, record))));
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ListOperations<Object, Object> lists = redis.opsForList();
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clearInvocations(lists);
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var page = store.loadCollectorHistoryPage("dev-sim-collector-1", 1000, 10, false);
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assertEquals(1010, page.total());
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assertEquals(10, page.records().size());
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assertEquals(false, page.hasMore());
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verify(lists).range(RedisBtsSimulatorStateStore.HISTORY_KEY_PREFIX + "dev-sim-collector-1",
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1000L, 1009L);
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}
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@Test
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void restoresNestedDiscoveryCandidatesFromJson()
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{
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AtomicReference<Object> stored = new AtomicReference<>();
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RedisDeviceDiscoveryCandidateStore first = new RedisDeviceDiscoveryCandidateStore(redis(stored));
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java.time.Instant observedAt = java.time.Instant.parse("2026-08-27T00:00:00Z");
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CabinetCandidate candidate = new CabinetCandidate("dev-sim", null, "dev-sim-22-1", 22, 1,
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"127.0.0.2", null, "模拟柜", "开发模拟器", "BTS Virtual Cabinet",
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List.of(new ChannelCandidate(new ChannelIdentity("dev-sim", 22, 1, 1, 1), true,
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DeviceWorkStatus.WORKING, observedAt)), observedAt, observedAt.plusSeconds(30));
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first.recordCabinets(List.of(candidate));
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RedisDeviceDiscoveryCandidateStore restored = new RedisDeviceDiscoveryCandidateStore(redis(stored));
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CabinetCandidate actual = restored.snapshot(observedAt.plusSeconds(1)).cabinets().get(0);
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assertEquals("dev-sim-22-1", actual.deviceCode());
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assertEquals(DeviceWorkStatus.WORKING, actual.channels().get(0).workStatus());
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assertEquals(observedAt, actual.channels().get(0).observedAt());
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}
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@Test
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void removesDevelopmentCandidatesFromRedisState()
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{
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AtomicReference<Object> stored = new AtomicReference<>();
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RedisDeviceDiscoveryCandidateStore store = new RedisDeviceDiscoveryCandidateStore(redis(stored));
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java.time.Instant observedAt = java.time.Instant.parse("2026-08-27T00:00:00Z");
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store.recordCabinets(List.of(new CabinetCandidate("dev-sim", null, "dev-sim-22-1", 22, 1,
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"127.0.0.2", null, "模拟柜", null, null,
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List.of(new ChannelCandidate(new ChannelIdentity("dev-sim", 22, 1, 1, 1), true,
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DeviceWorkStatus.STOPPED, observedAt)), observedAt, observedAt.plusSeconds(30))));
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store.removeAdapter("dev-sim");
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assertEquals(List.of(), store.snapshot(observedAt).cabinets());
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}
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@Test
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void restoresDiscoveryCandidatesFromLegacyAutoTypeJson()
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{
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AtomicReference<Object> stored = new AtomicReference<>();
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RedisDeviceDiscoveryCandidateStore first = new RedisDeviceDiscoveryCandidateStore(redis(stored));
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java.time.Instant observedAt = java.time.Instant.parse("2026-08-27T00:00:00Z");
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first.recordCabinets(List.of(new CabinetCandidate("dev-sim", null, "dev-sim-22-1", 22, 1,
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"127.0.0.2", null, "模拟柜", null, null,
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List.of(new ChannelCandidate(new ChannelIdentity("dev-sim", 22, 1, 1, 1), true,
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DeviceWorkStatus.STOPPED, observedAt)), observedAt, observedAt.plusSeconds(30))));
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first.replaceCollectors("dev-sim", List.of(new CollectorCandidate("dev-sim", "dev-sim-collector-1",
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"127.0.1.2", null, "模拟采集器", null, null, 8, true,
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observedAt, observedAt.plusSeconds(30))));
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JSONObject legacy = JSON.parseObject(stored.get().toString());
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legacy.put("@type", "com.ruoyi.config.RedisDeviceDiscoveryCandidateStore$StoredState");
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JSONObject cabinet = legacy.getJSONArray("cabinets").getJSONObject(0);
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cabinet.put("@type", JSONObject.class.getName());
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cabinet.getJSONArray("channels").getJSONObject(0)
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.put("@type", JSONObject.class.getName());
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legacy.getJSONArray("collectors").getJSONObject(0)
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.put("@type", JSONObject.class.getName());
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FastJson2JsonRedisSerializer<Object> serializer = new FastJson2JsonRedisSerializer<>(Object.class);
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stored.set(serializer.deserialize(serializer.serialize(legacy)));
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var snapshot = new RedisDeviceDiscoveryCandidateStore(redis(stored)).snapshot(observedAt.plusSeconds(1));
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CabinetCandidate restored = snapshot.cabinets().get(0);
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assertEquals("dev-sim-22-1", restored.deviceCode());
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assertEquals(DeviceWorkStatus.STOPPED, restored.channels().get(0).workStatus());
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assertEquals("dev-sim-collector-1", snapshot.collectors().get(0).deviceCode());
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}
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@SuppressWarnings({ "unchecked", "rawtypes" })
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private RedisBtsSimulatorStateStore store(AtomicReference<Object> stored)
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{
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return new RedisBtsSimulatorStateStore(redis(stored));
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}
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@SuppressWarnings({ "unchecked", "rawtypes" })
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private RedisTemplate<Object, Object> redis(AtomicReference<Object> stored)
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{
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RedisTemplate<Object, Object> redis = mock(RedisTemplate.class);
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ValueOperations<Object, Object> values = mock(ValueOperations.class);
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ListOperations<Object, Object> lists = mock(ListOperations.class);
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SetOperations<Object, Object> sets = mock(SetOperations.class);
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Map<Object, List<Object>> listValues = new LinkedHashMap<>();
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when(redis.opsForValue()).thenReturn(values);
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when(redis.opsForList()).thenReturn(lists);
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when(redis.opsForSet()).thenReturn(sets);
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when(sets.add(any(), any())).thenReturn(1L);
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when(sets.members(any())).thenReturn(Set.of());
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when(redis.exec()).thenReturn(List.of(Boolean.TRUE));
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when(redis.execute(any(SessionCallback.class))).thenAnswer(invocation -> {
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SessionCallback<?> callback = invocation.getArgument(0);
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return callback.execute(redis);
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});
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when(lists.rightPushAll(any(), org.mockito.ArgumentMatchers.<Object>anyCollection()))
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.thenAnswer(invocation -> {
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Object key = invocation.getArgument(0);
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List<Object> records = new ArrayList<>(listValues.getOrDefault(key, List.of()));
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FastJson2JsonRedisSerializer<Object> serializer =
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new FastJson2JsonRedisSerializer<>(Object.class);
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List<Object> appended = invocation.getArgument(1);
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appended.forEach(item -> records.add(
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serializer.deserialize(serializer.serialize(item))));
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listValues.put(key, records);
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return (long) records.size();
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});
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when(lists.range(any(), anyLong(), anyLong())).thenAnswer(invocation -> {
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List<Object> records = listValues.getOrDefault(invocation.getArgument(0), List.of());
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long requestedStart = invocation.getArgument(1);
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long requestedEnd = invocation.getArgument(2);
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int start = (int) Math.min(requestedStart, records.size());
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int end = (int) Math.min(requestedEnd + 1, records.size());
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return start >= end ? List.of() : List.copyOf(records.subList(start, end));
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});
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when(lists.size(any())).thenAnswer(invocation ->
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(long) listValues.getOrDefault(invocation.getArgument(0), List.of()).size());
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when(redis.delete(org.mockito.ArgumentMatchers.<Object>any()))
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.thenAnswer(invocation -> listValues.remove(invocation.getArgument(0)) != null);
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when(values.get(any())).thenAnswer(invocation -> stored.get());
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when(values.setIfAbsent(any(), any())).thenAnswer(invocation -> {
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if (stored.get() != null) return false;
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stored.set(invocation.getArgument(1));
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return true;
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});
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doAnswer(invocation -> { stored.set(invocation.getArgument(1)); return null; })
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.when(values).set(any(), any());
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return redis;
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}
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private SimulatorState state(int deviceId, String ip)
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{
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return new SimulatorState(1,
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List.of(new DeviceState(deviceId, ip, true,
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List.of(new ChannelState(1, true, DeviceWorkStatus.STOPPED)))),
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List.of(), deviceId + 1, 1, List.of());
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}
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}
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