Expose LogDisplay options in registration api

Author: altso

Source/ExcelRna.Extensions.Logging.Tests/LogDisplayLoggerFactoryExtensionsTests.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Linq;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Xunit;
@@ -17,6 +18,20 @@ public void AddLogDisplay_adds_logger()
             .GetRequiredService<IEnumerable<ILoggerProvider>>();
 
         // ASSERT
-        Assert.Contains(providers, provider => provider is LogDisplayLoggerProvider);
+        Assert.Single(providers.OfType<LogDisplayLoggerProvider>());
+    }
+
+    [Fact]
+    public void AddLogDisplay_adds_logger_with_options()
+    {
+        // ARRANGE & ACT
+        var providers = new ServiceCollection()
+            .AddLogging(logging => logging.AddLogDisplay(options => options.AutoShowLogDisplayThreshold = LogLevel.Information))
+            .BuildServiceProvider()
+            .GetRequiredService<IEnumerable<ILoggerProvider>>();
+
+        // ASSERT
+        LogDisplayLoggerProvider provider = Assert.Single(providers.OfType<LogDisplayLoggerProvider>());
+        Assert.Equal(LogLevel.Information, provider.Options.AutoShowLogDisplayThreshold);
     }
 }

Source/ExcelRna.Extensions.Logging/LogDisplayLoggerFactoryExtensions.cs

@@ -1,3 +1,4 @@
+using System;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Logging;
@@ -10,7 +11,7 @@ namespace ExcelRna.Extensions.Logging;
 public static class LogDisplayLoggerFactoryExtensions
 {
     /// <summary>
-    /// Adds a debug logger named 'LogDisplay' to the factory.
+    /// Adds a LogDisplay logger named 'LogDisplay' to the factory.
     /// </summary>
     /// <param name="builder">The extension method argument.</param>
     public static ILoggingBuilder AddLogDisplay(this ILoggingBuilder builder)
@@ -19,4 +20,17 @@ public static ILoggingBuilder AddLogDisplay(this ILoggingBuilder builder)
 
         return builder;
     }
+
+    /// <summary>
+    /// Adds a LogDisplay logger named 'LogDisplay' to the factory.
+    /// </summary>
+    /// <param name="builder">The extension method argument.</param>
+    /// <param name="configureOptions">The action used to configure the options.</param>
+    public static ILoggingBuilder AddLogDisplay(this ILoggingBuilder builder, Action<LogDisplayLoggerOptions> configureOptions)
+    {
+        builder.Services.Configure(configureOptions);
+        builder.Services.TryAddEnumerable(ServiceDescriptor.Singleton<ILoggerProvider, LogDisplayLoggerProvider>());
+
+        return builder;
+    }
 }

Source/ExcelRna.Extensions.Logging/LogDisplayLoggerProvider.cs

@@ -22,6 +22,8 @@ public LogDisplayLoggerProvider(IOptionsMonitor<LogDisplayLoggerOptions> options
         _optionsReloadToken = options.OnChange(ReloadOptions);
     }
 
+    internal LogDisplayLoggerOptions Options => _options.CurrentValue;
+
     /// <inheritdoc />
     public ILogger CreateLogger(string name)
     {