public void QueryVipRegions()
        {
            List <DensityDevice> devices = new List <DensityDevice>();
            int deviceCount       = 1;
            int channelCount      = 1;
            int regionCount       = 12;
            HashSet <string> vips = new HashSet <string>();
            //随机创建重点区域
            Random random = new Random();

            using (IServiceScope serviceScope = TestInit.ServiceProvider.CreateScope())
            {
                using (DensityContext context = serviceScope.ServiceProvider.GetRequiredService <DensityContext>())
                {
                    context.Database.EnsureDeleted();
                    context.Database.EnsureCreated();

                    int deviceId   = 1;
                    int crossingId = 1;
                    int regionId   = 1;
                    int channelId  = 1;
                    for (int i = 0; i < deviceCount; ++i)
                    {
                        DensityDevice densityDevice = new DensityDevice
                        {
                            DeviceId = deviceId++,
                            Ip       = "192.168.200.204",
                            Port     = 18000 + i
                        };
                        densityDevice.DeviceName = "设备" + densityDevice.Port;
                        densityDevice.DensityDevice_DensityChannels = new List <DensityDevice_DensityChannel>();
                        for (int j = 0; j < channelCount; ++j)
                        {
                            RoadCrossing roadCrossing = new RoadCrossing
                            {
                                CrossingId   = crossingId,
                                CrossingName = "路口" + crossingId
                            };
                            DensityChannel channel = new DensityChannel()
                            {
                                ChannelId    = channelId.ToString(),
                                ChannelName  = $"通道 {densityDevice.DeviceId} {j+1}",
                                ChannelIndex = j + 1,
                                CrossingId   = crossingId,
                                Regions      = new List <TrafficRegion>(),
                                RoadCrossing = roadCrossing
                            };
                            DensityDevice_DensityChannel relation = new DensityDevice_DensityChannel
                            {
                                ChannelId = channel.ChannelId,
                                DeviceId  = densityDevice.DeviceId,
                                Channel   = channel
                            };
                            channelId++;
                            crossingId++;
                            densityDevice.DensityDevice_DensityChannels.Add(relation);

                            for (int k = 0; k < regionCount; ++k)
                            {
                                int           value  = random.Next(1, 2);
                                TrafficRegion region = new TrafficRegion
                                {
                                    ChannelId   = channel.ChannelId,
                                    Channel     = channel,
                                    Region      = "1",
                                    RegionIndex = k + 1,
                                    RegionName  = "区域" + regionId++,
                                    IsVip       = value == 1
                                };
                                if (value == 1)
                                {
                                    vips.Add(region.DataId);
                                }
                                channel.Regions.Add(region);
                            }
                        }
                        context.Devices.Add(densityDevice);
                        devices.Add(densityDevice);
                    }
                    context.SaveChanges();
                }
                DensityDbSimulator.CreateData(TestInit.ServiceProvider, devices, DataCreateMode.Fixed, DateTime.Today, DateTime.Today);
                TestInit.RefreshDensityCache(devices);
                DensitiesManager manager = TestInit.ServiceProvider.GetRequiredService <DensitiesManager>();

                var v = manager.QueryVipRegions();
                foreach (TrafficDensity density in v)
                {
                    Assert.IsTrue(vips.Contains(density.DataId));
                }
            }
        }
 public List <TrafficDensity> QueryVipRegions()
 {
     return(_manager.QueryVipRegions());
 }