finished unit tests and docstrings

MalwareMultiScan.Scanner/Services/Implementations/ScanHostedService.cs

@@ -5,32 +5,41 @@ using System.Threading.Tasks;
 using EasyNetQ;
 using MalwareMultiScan.Backends.Interfaces;
 using MalwareMultiScan.Backends.Messages;
+using MalwareMultiScan.Scanner.Services.Interfaces;
 using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 
-namespace MalwareMultiScan.Scanner.Services
+namespace MalwareMultiScan.Scanner.Services.Implementations
 {
-    internal class ScanHostedService : IHostedService
+    /// <inheritdoc />
+    public class ScanHostedService : IScanHostedService
     {
         private readonly IScanBackend _backend;
+        private readonly IBus _bus;
         private readonly IConfiguration _configuration;
         private readonly ILogger<ScanHostedService> _logger;
 
-        private IBus _bus;
-
-        public ScanHostedService(ILogger<ScanHostedService> logger, IConfiguration configuration, IScanBackend backend)
+        /// <summary>
+        /// Initialise scan hosted service.
+        /// </summary>
+        /// <param name="logger">Logger.</param>
+        /// <param name="backend">Scan backend.</param>
+        /// <param name="bus">EasyNetQ bus.</param>
+        /// <param name="configuration">Configuration.</param>
+        public ScanHostedService(
+            ILogger<ScanHostedService> logger,
+            IScanBackend backend, IBus bus,
+            IConfiguration configuration)
         {
             _logger = logger;
+            _bus = bus;
             _configuration = configuration;
             _backend = backend;
         }
 
+        /// <inheritdoc />
         public Task StartAsync(CancellationToken cancellationToken)
         {
-            _bus = RabbitHutch.CreateBus(
-                _configuration.GetConnectionString("RabbitMQ"));
-
             _bus.Receive<ScanRequestMessage>(_backend.Id, Scan);
 
             _logger.LogInformation(
@@ -39,6 +48,7 @@ namespace MalwareMultiScan.Scanner.Services
             return Task.CompletedTask;
         }
 
+        /// <inheritdoc />
         public Task StopAsync(CancellationToken cancellationToken)
         {
             _bus.Dispose();
@@ -62,9 +72,9 @@ namespace MalwareMultiScan.Scanner.Services
                 Id = message.Id,
                 Backend = _backend.Id
             };
-            
+
             var stopwatch = new Stopwatch();
-            
+
             stopwatch.Start();
 
             try
@@ -91,10 +101,10 @@ namespace MalwareMultiScan.Scanner.Services
             }
 
             result.Duration = stopwatch.ElapsedMilliseconds / 1000;
-            
+
             _logger.LogInformation(
                 $"Sending scan results with status {result.Succeeded}");
-            
+
             await _bus.SendAsync(
                 _configuration.GetValue<string>("ResultsSubscriptionId"), result);
         }

MalwareMultiScan.Scanner/Services/Interfaces/IScanHostedService.cs

@@ -0,0 +1,11 @@
+using Microsoft.Extensions.Hosting;
+
+namespace MalwareMultiScan.Scanner.Services.Interfaces
+{
+    /// <summary>
+    /// Scan hosted service.
+    /// </summary>
+    public interface IScanHostedService : IHostedService
+    {
+    }
+}