test: update BackgroundServiceBaseTests to reflect new changes and fix issue with accessing dispoed variable from outer scope

Author: Per Kops

test/Atc.Hosting.Tests/BackgroundServiceBaseTests.cs

@@ -110,6 +110,8 @@ public async Task Logging_Start_Retry_Cancel_Stop()
             new OptionsWrapper<MyServiceOptions>(options),
             tcs.Task);
 
+        var serviceName = sut.ServiceName;
+
         // Act
         await sut.StartAsync(cts.Token);
 
@@ -122,23 +124,23 @@ public async Task Logging_Start_Retry_Cancel_Stop()
                 logger
                     .Log(
                         LogLevel.Information,
-                        $"Started worker {sut.ServiceName}. Worker will run with {options.RepeatIntervalSeconds} seconds interval");
+                        $"Started worker {serviceName}. Worker will run with {options.RepeatIntervalSeconds} seconds interval");
 
                 logger
                     .Log(
                         LogLevel.Warning,
-                        $"Unhandled exception occurred in worker {sut.ServiceName}. Worker will retry after {options.RepeatIntervalSeconds} seconds",
+                        $"Unhandled exception occurred in worker {serviceName}. Worker will retry after {options.RepeatIntervalSeconds} seconds",
                         exception);
 
                 logger
                     .Log(
                         LogLevel.Warning,
-                        $"Cancellation invoked for worker {sut.ServiceName}");
+                        $"Cancellation invoked for worker {serviceName}");
 
                 logger
                     .Log(
                         LogLevel.Information,
-                        $"Stopped worker {sut.ServiceName}");
+                        $"Stopped worker {serviceName}");
             });
     }
 
@@ -165,6 +167,8 @@ public async Task Logging_Start_Exception_Stop()
             new OptionsWrapper<MyServiceOptions>(options),
             tcs.Task);
 
+        var serviceName = sut.ServiceName;
+
         // Act
         await sut.StartAsync(cts.Token);
 
@@ -177,18 +181,18 @@ public async Task Logging_Start_Exception_Stop()
                 logger
                     .Log(
                         LogLevel.Information,
-                        $"Started worker {sut.ServiceName}. Worker will run with {options.RepeatIntervalSeconds} seconds interval");
+                        $"Started worker {serviceName}. Worker will run with {options.RepeatIntervalSeconds} seconds interval");
 
                 logger
                     .Log(
                         LogLevel.Error,
-                        $"Unhandled exception occurred in worker {sut.ServiceName}",
+                        $"Unhandled exception occurred in worker {serviceName}",
                         exception);
 
                 logger
                     .Log(
                         LogLevel.Information,
-                        $"Stopped worker {sut.ServiceName}");
+                        $"Stopped worker {serviceName}");
             });
     }
 
@@ -217,6 +221,8 @@ public async Task HealthService_Start_Retry_Cancel_Stop()
             healthService,
             tcs.Task);
 
+        var serviceName = sut.ServiceName;
+
         // Act
         await sut.StartAsync(cts.Token);
 
@@ -226,9 +232,10 @@ public async Task HealthService_Start_Retry_Cancel_Stop()
         Received.InOrder(
             () =>
             {
-                healthService.SetRunningState(sut.ServiceName, true);
-                healthService.SetRunningState(sut.ServiceName, true);
-                healthService.SetRunningState(sut.ServiceName, false);
+                healthService.SetRunningState(serviceName, true);
+                healthService.SetRunningState(serviceName, true);
+                healthService.SetRunningState(serviceName, true);
+                healthService.SetRunningState(serviceName, false);
             });
     }
 
@@ -257,6 +264,8 @@ public async Task HealthService_Start_Exception_Stop()
             healthService,
             tcs.Task);
 
+        var serviceName = sut.ServiceName;
+
         // Act
         await sut.StartAsync(cts.Token);
 
@@ -266,9 +275,9 @@ public async Task HealthService_Start_Exception_Stop()
         Received.InOrder(
             () =>
             {
-                healthService.SetRunningState(sut.ServiceName, true);
-                healthService.SetRunningState(sut.ServiceName, true);
-                healthService.SetRunningState(sut.ServiceName, false);
+                healthService.SetRunningState(serviceName, true);
+                healthService.SetRunningState(serviceName, true);
+                healthService.SetRunningState(serviceName, false);
             });
     }
 }