package com.battery.device.contract;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertNotEquals;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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import java.math.BigDecimal;
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import java.time.Duration;
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import java.time.Instant;
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import java.time.ZoneId;
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import java.util.List;
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import java.util.Set;
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import org.junit.jupiter.api.Test;
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import com.alibaba.fastjson2.JSON;
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import com.battery.device.api.DeviceAdapter;
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import com.battery.device.simulator.BtsDevelopmentSimulator;
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import com.battery.device.bts.BtsDeviceAdapter;
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import com.battery.device.bts.BtsXmlCodec;
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import com.battery.device.bts.BtsTcpTransport;
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import com.battery.device.simulator.ScriptedBtsTcpSimulator;
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import com.battery.device.api.model.DetectedChannel;
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import com.battery.device.api.model.DeviceWorkStatus;
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import com.battery.device.simulator.BtsSimulatorStateStore;
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import com.battery.device.simulator.BtsSimulatorStateStore.ChannelState;
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import com.battery.device.simulator.BtsSimulatorStateStore.CollectorChannelState;
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import com.battery.device.simulator.BtsSimulatorStateStore.CollectorMetricState;
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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.simulator.BtsSimulatorStateStore.RecentRequest;
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import com.battery.device.simulator.InMemoryBtsSimulatorStateStore;
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class SimulatorPublicContractTest
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{
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@Test
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void collectorRealtimeDropsMeasurementsRemovedFromCurrentConfiguration() throws Exception
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{
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Instant startedAt = Instant.parse("2026-08-29T04:00:00Z");
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InMemoryBtsSimulatorStateStore store = new InMemoryBtsSimulatorStateStore();
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try (BtsDevelopmentSimulator simulator = new BtsDevelopmentSimulator(0, store))
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{
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simulator.collectorRealtime(1);
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assertEquals(12, simulator.snapshot().collectors().get(0).latestMeasurements().size());
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simulator.configureCollectorChannel(1, "S-01", List.of(
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new CollectorMetricState("temperature", new BigDecimal("27.0"), "℃")));
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simulator.updateCollector(1, "127.0.1.2", 2, true);
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simulator.collectorRealtime(1);
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var snapshot = simulator.snapshot().collectors().get(0);
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assertEquals(4, snapshot.latestMeasurements().size());
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assertTrue(snapshot.latestMeasurements().stream()
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.noneMatch(item -> item.channelCode().equals("S-03")
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|| item.channelCode().equals("S-04")
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|| item.channelCode().equals("S-01")
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&& item.metricCode().equals("positive_potential")));
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}
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try (BtsDevelopmentSimulator restored = new BtsDevelopmentSimulator(0, store))
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{
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assertEquals(4, restored.collectorRealtime(1).measurements().size());
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}
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}
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@Test
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void collectorRejectsMetricWhitespaceThatWouldBreakRestore() throws Exception
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{
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try (BtsDevelopmentSimulator simulator = new BtsDevelopmentSimulator(0))
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{
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assertThrows(IllegalArgumentException.class, () -> simulator.configureCollectorChannel(1, "S-01",
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List.of(new CollectorMetricState("temperature ", new BigDecimal("25.0"), "℃"))));
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assertThrows(IllegalArgumentException.class, () -> simulator.configureCollectorChannel(1, "S-01",
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List.of(new CollectorMetricState("temperature", new BigDecimal("25.0"), " ℃"))));
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}
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}
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@Test
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void simulatorIsReusableOutsideTheBtsPackage() throws Exception
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{
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try (ScriptedBtsTcpSimulator simulator = new ScriptedBtsTcpSimulator();
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BtsTcpTransport transport = new BtsTcpTransport("127.0.0.1", simulator.port(),
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Duration.ofSeconds(1), Duration.ofSeconds(1)))
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{
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simulator.enqueue("<bts><cmd>getdevinfo_resp</cmd><middle count=\"0\"/></bts>");
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assertEquals("<bts><cmd>getdevinfo_resp</cmd><middle count=\"0\"/></bts>",
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transport.exchange("<bts><cmd>getdevinfo</cmd></bts>"));
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assertEquals(1, simulator.requests().size());
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}
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}
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@Test
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void simulatorPreservesRequestEndingWithDelimiterPrefix() throws Exception
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{
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try (ScriptedBtsTcpSimulator simulator = new ScriptedBtsTcpSimulator();
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BtsTcpTransport transport = new BtsTcpTransport("127.0.0.1", simulator.port(),
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Duration.ofSeconds(1), Duration.ofSeconds(1)))
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{
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simulator.enqueue("ok");
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assertEquals("ok", transport.exchange("payload#"));
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assertEquals("payload#", simulator.requests().get(0));
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}
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}
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@Test
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void developmentSimulatorSupportsRepeatedDiscoveryAndObservation() throws Exception
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{
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try (BtsDevelopmentSimulator simulator = new BtsDevelopmentSimulator(0);
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BtsTcpTransport transport = new BtsTcpTransport("127.0.0.1", simulator.port(),
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Duration.ofSeconds(1), Duration.ofSeconds(1));
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DeviceAdapter adapter = new BtsDeviceAdapter("development-bts", transport,
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new BtsXmlCodec("development-bts", ZoneId.of("Asia/Hong_Kong"))))
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{
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var firstDiscovery = adapter.discoverChannels();
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var secondDiscovery = adapter.discoverChannels();
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assertEquals(4, firstDiscovery.size());
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assertEquals(firstDiscovery, secondDiscovery);
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assertEquals("开发模拟器", firstDiscovery.get(0).deviceMetadata().manufacturer());
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assertEquals("BTS Virtual Cabinet", firstDiscovery.get(0).deviceMetadata().model());
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assertEquals(1, firstDiscovery.stream().map(channel -> channel.identity().devid()).distinct().count());
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assertEquals(4, firstDiscovery.stream().filter(channel -> channel.available()).count());
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Set<com.battery.device.api.model.ChannelIdentity> channels = firstDiscovery.stream()
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.map(channel -> channel.identity())
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.collect(java.util.stream.Collectors.toSet());
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var firstObservation = adapter.inquire(channels);
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var secondObservation = adapter.inquire(channels);
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assertEquals(4, firstObservation.size());
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assertEquals(DeviceWorkStatus.STOPPED, firstObservation.values().iterator().next().workStatus());
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assertEquals(firstObservation.keySet(), secondObservation.keySet());
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}
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}
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@Test
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void developmentSimulatorSupportsNewareProfilesAndFixedObservation() throws Exception
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{
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try (BtsDevelopmentSimulator simulator = new BtsDevelopmentSimulator(0);
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BtsTcpTransport transport = new BtsTcpTransport("127.0.0.1", simulator.port(),
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Duration.ofSeconds(1), Duration.ofSeconds(1));
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DeviceAdapter adapter = new BtsDeviceAdapter("dev-sim", transport,
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new BtsXmlCodec("dev-sim", ZoneId.of("Asia/Hong_Kong"))))
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{
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int tDevice = simulator.addNewareDevice("127.0.0.8", "CT-4008T-5V6A-S1-F");
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int tnDevice = simulator.addNewareDevice("127.0.0.9", "CT-4008Tn-5V12A-S1-F");
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simulator.updateChannel(tDevice, 1, true, DeviceWorkStatus.WORKING);
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var discovered = adapter.discoverChannels();
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var tChannels = discovered.stream().filter(channel -> channel.serverIp().equals("127.0.0.8")).toList();
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var tnChannels = discovered.stream().filter(channel -> channel.serverIp().equals("127.0.0.9")).toList();
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assertEquals(4, discovered.stream().filter(channel -> channel.serverIp().equals("127.0.0.2")).count());
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assertEquals(8, tChannels.size());
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assertEquals(8, tnChannels.size());
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assertEquals("新威", tChannels.get(0).deviceMetadata().manufacturer());
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assertEquals("CT-4008T-5V6A-S1-F", tChannels.get(0).deviceMetadata().model());
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assertEquals("CT-4008Tn-5V12A-S1-F", tnChannels.get(0).deviceMetadata().model());
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assertEquals(8, simulator.snapshot().devices().stream()
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.filter(device -> device.deviceId() == tDevice || device.deviceId() == tnDevice)
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.mapToInt(device -> device.channels().size()).sum() / 2);
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Set<com.battery.device.api.model.ChannelIdentity> channel = tChannels.stream()
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.map(DetectedChannel::identity).filter(identity -> identity.chlid() == 1)
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.collect(java.util.stream.Collectors.toSet());
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var first = adapter.inquire(channel).values().iterator().next();
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var second = adapter.inquire(channel).values().iterator().next();
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assertEquals(DeviceWorkStatus.WORKING, first.workStatus());
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assertEquals(first.currentA(), second.currentA());
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assertTrue(first.voltageV().doubleValue() >= 0.0 && first.voltageV().doubleValue() <= 5.0);
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}
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}
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@Test
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void configuredChannelValuesReachBtsInquireWithoutClampingOrRounding() throws Exception
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{
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try (var simulator = new BtsDevelopmentSimulator(0);
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var transport = new BtsTcpTransport("127.0.0.1", simulator.port(), Duration.ofSeconds(1), Duration.ofSeconds(1));
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DeviceAdapter adapter = new BtsDeviceAdapter("dev-sim", transport,
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new BtsXmlCodec("dev-sim", ZoneId.of("Asia/Hong_Kong")))) {
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simulator.configureChannel(1, 1, new com.battery.device.simulator.BtsSimulatorStateStore.ChannelConfiguration(
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new java.math.BigDecimal("-2.123456"), new java.math.BigDecimal("8.125"),
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new java.math.BigDecimal("7.2"), new java.math.BigDecimal("29.7"), 2, 2, 5, 120, 30,
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List.of(new com.battery.device.simulator.BtsSimulatorStateStore.SimulatorPlanStep("充电", "cc", 60, 4.2),
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new com.battery.device.simulator.BtsSimulatorStateStore.SimulatorPlanStep("放电 <验证>", "dc", 90, 3.0))));
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var channel = adapter.discoverChannels().stream().filter(item -> item.identity().chlid() == 1)
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.findFirst().orElseThrow().identity();
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var observation = adapter.inquire(Set.of(channel)).get(channel);
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assertEquals(-2.123456, observation.currentA().doubleValue());
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assertEquals(8.125, observation.voltageV().doubleValue());
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assertEquals(7.2, observation.capacityAh().doubleValue());
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assertEquals(29.7, observation.energyWh().doubleValue());
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assertEquals(2, observation.cycleNo());
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assertEquals(2, observation.stepNo());
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assertEquals("dc", observation.stepType());
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assertEquals(120L, observation.totalTimeSeconds());
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assertEquals(30L, observation.relativeTimeSeconds());
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}
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}
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@Test
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void developmentSimulatorPersistsNewareProfileMetadata() throws Exception
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{
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InMemoryBtsSimulatorStateStore store = new InMemoryBtsSimulatorStateStore();
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try (BtsDevelopmentSimulator simulator = new BtsDevelopmentSimulator(0, store))
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{
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simulator.addNewareDevice("127.0.0.8", "CT-4008Tn-5V12A-S1-F");
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}
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try (BtsDevelopmentSimulator restored = new BtsDevelopmentSimulator(0, store);
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BtsTcpTransport transport = new BtsTcpTransport("127.0.0.1", restored.port(),
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Duration.ofSeconds(1), Duration.ofSeconds(1));
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DeviceAdapter adapter = new BtsDeviceAdapter("dev-sim", transport,
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new BtsXmlCodec("dev-sim", ZoneId.of("Asia/Hong_Kong"))))
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{
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var profileChannels = adapter.discoverChannels().stream()
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.filter(channel -> channel.serverIp().equals("127.0.0.8")).toList();
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assertEquals(8, profileChannels.size());
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assertEquals("CT-4008Tn-5V12A-S1-F", profileChannels.get(0).deviceMetadata().model());
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assertEquals("新威", profileChannels.get(0).deviceMetadata().manufacturer());
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}
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}
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@Test
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void developmentSimulatorPublishesOperatorControlledChannelFacts() throws Exception
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{
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try (BtsDevelopmentSimulator simulator = new BtsDevelopmentSimulator(0);
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BtsTcpTransport transport = new BtsTcpTransport("127.0.0.1", simulator.port(),
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Duration.ofSeconds(1), Duration.ofSeconds(1));
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DeviceAdapter adapter = new BtsDeviceAdapter("dev-sim", transport,
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new BtsXmlCodec("dev-sim", ZoneId.of("Asia/Hong_Kong"))))
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{
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simulator.updateChannel(1, 1, true, DeviceWorkStatus.WORKING);
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simulator.updateChannel(1, 2, false, DeviceWorkStatus.PAUSED);
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var discovered = adapter.discoverChannels();
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Set<com.battery.device.api.model.ChannelIdentity> available = discovered.stream()
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.filter(channel -> channel.available())
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.map(channel -> channel.identity())
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.collect(java.util.stream.Collectors.toSet());
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var observed = adapter.inquire(available);
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assertEquals(4, discovered.size());
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assertEquals(3, available.size());
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assertEquals(DeviceWorkStatus.WORKING, observed.entrySet().stream()
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.filter(entry -> entry.getKey().chlid() == 1)
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.findFirst().orElseThrow().getValue().workStatus());
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simulator.updateDevice(1, "127.0.0.2", 4, false);
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assertEquals(0, adapter.discoverChannels().stream().filter(channel -> channel.available()).count());
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assertEquals(4, simulator.snapshot().devices().get(0).channels().size());
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assertEquals(3, simulator.snapshot().recentRequests().size());
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}
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}
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@Test
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void developmentSimulatorSupportsMultipleConfigurableDevices() throws Exception
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{
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try (BtsDevelopmentSimulator simulator = new BtsDevelopmentSimulator(0);
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BtsTcpTransport transport = new BtsTcpTransport("127.0.0.1", simulator.port(),
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Duration.ofSeconds(1), Duration.ofSeconds(1));
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DeviceAdapter adapter = new BtsDeviceAdapter("dev-sim", transport,
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new BtsXmlCodec("dev-sim", ZoneId.of("Asia/Hong_Kong"))))
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{
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int secondDeviceId = simulator.addDevice("127.0.0.3", 2);
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simulator.updateDevice(1, "127.0.0.2", 4, true);
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var discovered = adapter.discoverChannels();
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assertEquals(6, discovered.size());
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assertEquals(2, discovered.stream().map(channel -> channel.identity().devid()).distinct().count());
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assertEquals(4, discovered.stream().filter(channel -> channel.serverIp().equals("127.0.0.2")).count());
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assertEquals(2, discovered.stream().filter(channel -> channel.serverIp().equals("127.0.0.3")).count());
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simulator.deleteDevice(secondDeviceId);
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for (int index = 0; index < 3; index++)
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{
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var withTombstone = adapter.discoverChannels();
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assertEquals(6, withTombstone.size());
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assertEquals(4, withTombstone.stream().filter(DetectedChannel::available).count());
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}
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assertEquals(4, adapter.discoverChannels().size());
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}
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}
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@Test
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void developmentCollectorsNeverEnterBtsCabinetDiscovery() throws Exception
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{
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try (BtsDevelopmentSimulator simulator = new BtsDevelopmentSimulator(0);
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BtsTcpTransport transport = new BtsTcpTransport("127.0.0.1", simulator.port(),
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Duration.ofSeconds(1), Duration.ofSeconds(1));
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DeviceAdapter adapter = new BtsDeviceAdapter("dev-sim", transport,
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new BtsXmlCodec("dev-sim", ZoneId.of("Asia/Hong_Kong"))))
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{
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assertEquals(4, adapter.discoverChannels().size());
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simulator.addCollector("127.0.1.8", 12);
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assertEquals(4, adapter.discoverChannels().size());
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assertEquals(2, simulator.snapshot().collectors().size());
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}
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}
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@Test
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void developmentSimulatorRestoresConfigurationNumberingAndStatus() throws Exception
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{
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InMemoryBtsSimulatorStateStore store = new InMemoryBtsSimulatorStateStore();
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try (BtsDevelopmentSimulator first = new BtsDevelopmentSimulator(0, store))
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{
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first.updateDevice(1, "127.0.0.9", 2, false);
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first.addDevice("127.0.0.10", 3);
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first.updateCollector(1, "127.0.1.9", 7, false);
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}
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try (BtsDevelopmentSimulator restored = new BtsDevelopmentSimulator(0, store))
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{
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assertEquals(2, restored.snapshot().devices().size());
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assertEquals("127.0.0.9", restored.snapshot().devices().get(0).ip());
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assertEquals(false, restored.snapshot().devices().get(0).online());
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assertEquals(7, restored.snapshot().collectors().get(0).channelCount());
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assertEquals(3, restored.addDevice("127.0.0.11", 1));
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}
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}
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@Test
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void developmentSimulatorDoesNotExposeWriteThroughFailureInMemory() throws Exception
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{
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InMemoryBtsSimulatorStateStore delegate = new InMemoryBtsSimulatorStateStore();
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BtsSimulatorStateStore failing = new BtsSimulatorStateStore()
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{
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@Override public SimulatorState loadOrInitialize(SimulatorState value)
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{ return delegate.loadOrInitialize(value); }
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@Override public void save(SimulatorState value) { throw new IllegalStateException("redis unavailable"); }
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@Override public java.util.List<RecentRequest> loadRecentRequests()
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{ return delegate.loadRecentRequests(); }
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@Override public void saveRecentRequests(java.util.List<RecentRequest> requests)
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{ delegate.saveRecentRequests(requests); }
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@Override public void reset(SimulatorState value) { delegate.reset(value); }
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};
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try (BtsDevelopmentSimulator simulator = new BtsDevelopmentSimulator(0, failing))
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{
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assertThrows(IllegalStateException.class, () -> simulator.addDevice("127.0.0.3", 2));
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assertEquals(1, simulator.snapshot().devices().size());
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}
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}
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@Test
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void collectorDeletionDoesNotReplaceMemoryWhenAtomicPersistenceFails() throws Exception
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{
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InMemoryBtsSimulatorStateStore delegate = new InMemoryBtsSimulatorStateStore();
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BtsSimulatorStateStore failing = new BtsSimulatorStateStore()
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{
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@Override public SimulatorState loadOrInitialize(SimulatorState value)
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{ return delegate.loadOrInitialize(value); }
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@Override public void save(SimulatorState value) { throw new IllegalStateException("redis unavailable"); }
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@Override public java.util.List<RecentRequest> loadRecentRequests()
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{ return delegate.loadRecentRequests(); }
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@Override public void saveRecentRequests(java.util.List<RecentRequest> requests)
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{ delegate.saveRecentRequests(requests); }
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@Override public void reset(SimulatorState value) { delegate.reset(value); }
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};
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try (BtsDevelopmentSimulator simulator = new BtsDevelopmentSimulator(0, failing))
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{
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assertThrows(IllegalStateException.class, () -> simulator.deleteCollector(1));
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assertEquals(1, simulator.snapshot().collectors().size());
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}
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}
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@Test
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void developmentSimulatorRestoresUnfinishedTombstones() throws Exception
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{
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InMemoryBtsSimulatorStateStore store = new InMemoryBtsSimulatorStateStore();
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try (BtsDevelopmentSimulator first = new BtsDevelopmentSimulator(0, store);
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BtsTcpTransport transport = new BtsTcpTransport("127.0.0.1", first.port(),
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Duration.ofSeconds(1), Duration.ofSeconds(1));
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DeviceAdapter adapter = new BtsDeviceAdapter("dev-sim", transport,
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new BtsXmlCodec("dev-sim", ZoneId.of("Asia/Hong_Kong"))))
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{
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first.deleteDevice(1);
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assertEquals(4, adapter.discoverChannels().size());
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}
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try (BtsDevelopmentSimulator restored = new BtsDevelopmentSimulator(0, store);
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BtsTcpTransport transport = new BtsTcpTransport("127.0.0.1", restored.port(),
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Duration.ofSeconds(1), Duration.ofSeconds(1));
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DeviceAdapter adapter = new BtsDeviceAdapter("dev-sim", transport,
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new BtsXmlCodec("dev-sim", ZoneId.of("Asia/Hong_Kong"))))
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{
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assertEquals(4, adapter.discoverChannels().size());
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assertEquals(4, adapter.discoverChannels().size());
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assertEquals(0, adapter.discoverChannels().size());
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}
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}
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@Test
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void developmentSimulatorRejectsNonContiguousRestoredChannelTopology()
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{
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SimulatorState damaged = new SimulatorState(BtsSimulatorStateStore.CURRENT_VERSION,
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java.util.List.of(new DeviceState(1, "127.0.0.2", true,
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java.util.List.of(new ChannelState(2, true, DeviceWorkStatus.STOPPED)))),
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java.util.List.of(), 2, 1, java.util.List.of());
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assertThrows(IllegalStateException.class,
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() -> new BtsDevelopmentSimulator(0, new InMemoryBtsSimulatorStateStore(damaged)));
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}
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}
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