style: cleanup code by rider

Author: phnx47

src/Prometheus.Client.MetricServer/IMetricServer.cs

@@ -1,12 +1,15 @@
-using System.Threading.Tasks;
-
 namespace Prometheus.Client.MetricServer
 {
     /// <summary>
     ///     MetricSever
     /// </summary>
     public interface IMetricServer
     {
+        /// <summary>
+        ///     Server is Running?
+        /// </summary>
+        bool IsRunning { get; }
+
         /// <summary>
         ///     Start server
         /// </summary>
@@ -16,10 +19,5 @@ public interface IMetricServer
         ///     Stop server
         /// </summary>
         void Stop();
-
-        /// <summary>
-        ///     Server is Running?
-        /// </summary>
-        bool IsRunning { get; }
     }
 }

src/Prometheus.Client.MetricServer/MetricServer.cs

@@ -20,16 +20,16 @@ public class MetricServer : IMetricServer
         private IWebHost _host;
 
         /// <summary>
-        /// Constructor
+        ///     Constructor
         /// </summary>
         /// <param name="options">Http server configuration options</param>
         public MetricServer(MetricServerOptions options)
-            :this(null, options)
+            : this(null, options)
         {
         }
 
         /// <summary>
-        /// Constructor
+        ///     Constructor
         /// </summary>
         /// <param name="registry">Collector registry </param>
         /// <param name="options">Http server configuration options</param>
@@ -89,9 +89,9 @@ public void Stop()
         internal class Startup : IStartup
         {
             private const string _contentType = "text/plain; version=0.0.4";
+            private readonly string _mapPath;
 
             private readonly ICollectorRegistry _registry;
-            private readonly string _mapPath;
 
             public Startup(ICollectorRegistry registry, string mapPath)
             {
@@ -118,10 +118,8 @@ public void Configure(IApplicationBuilder app)
                         var response = context.Response;
                         response.ContentType = _contentType;
 
-                        using (var outputStream = response.Body)
-                        {
-                            await ScrapeHandler.ProcessAsync(_registry, outputStream);
-                        }
+                        using var outputStream = response.Body;
+                        await ScrapeHandler.ProcessAsync(_registry, outputStream);
                     });
                 });
             }

src/Prometheus.Client.MetricServer/MetricServerOptions.cs

@@ -3,27 +3,27 @@
 namespace Prometheus.Client.MetricServer
 {
     /// <summary>
-    /// Metric Server Options
+    ///     Metric Server Options
     /// </summary>
     public class MetricServerOptions
     {
         /// <summary>
-        /// Host name
+        ///     Host name
         /// </summary>
         public string Host { get; set; } = "*";
 
         /// <summary>
-        /// Port number to listen
+        ///     Port number to listen
         /// </summary>
         public int Port { get; set; }
 
         /// <summary>
-        /// Endpoint path
+        ///     Endpoint path
         /// </summary>
         public string MapPath { get; set; } = "/metrics";
 
         /// <summary>
-        /// Https certificate
+        ///     Https certificate
         /// </summary>
         public X509Certificate2 Certificate { get; set; }
     }

tests/Prometheus.Client.MetricServer.Tests/MetricServerTests.cs

@@ -31,14 +31,14 @@ public void Start_Stop_IsRunning()
         [Fact]
         public async Task Base_MapPath()
         {
-            var metricServer = new MetricServer(new MetricServerOptions { Port = _port});
+            var metricServer = new MetricServer(new MetricServerOptions { Port = _port });
             try
             {
                 metricServer.Start();
                 var counter = Metrics.DefaultFactory.CreateCounter("test_counter", "help");
                 counter.Inc();
                 using var httpClient = new HttpClient();
-                var response = await httpClient.GetStringAsync($"http://localhost:{_port}/metrics");
+                string response = await httpClient.GetStringAsync($"http://localhost:{_port}/metrics");
                 Assert.False(string.IsNullOrEmpty(response));
             }
             catch (Exception ex)
@@ -62,7 +62,7 @@ public async Task MapPath_WithEndSlash()
                 var counter = Metrics.DefaultFactory.CreateCounter("test_counter", "help");
                 counter.Inc();
                 using var httpClient = new HttpClient();
-                var response = await httpClient.GetStringAsync($"http://localhost:{_port}/test/");
+                string response = await httpClient.GetStringAsync($"http://localhost:{_port}/test/");
                 Assert.False(string.IsNullOrEmpty(response));
             }
             catch (Exception ex)
@@ -97,7 +97,7 @@ public async Task MapPath(string mapPath)
                 var counter = Metrics.DefaultFactory.CreateCounter("test_counter", "help");
                 counter.Inc();
                 using var httpClient = new HttpClient();
-                var response = await httpClient.GetStringAsync($"http://localhost:{_port}" + mapPath);
+                string response = await httpClient.GetStringAsync($"http://localhost:{_port}" + mapPath);
                 Assert.False(string.IsNullOrEmpty(response));
             }
             catch (Exception ex)
@@ -127,7 +127,7 @@ public async Task FindMetric()
                 counter.Inc();
 
                 using var httpClient = new HttpClient();
-                var response = await httpClient.GetStringAsync($"http://localhost:{_port}/metrics");
+                string response = await httpClient.GetStringAsync($"http://localhost:{_port}/metrics");
                 Assert.Contains(metricName, response);
             }
             catch (Exception ex)