Improve handling of ConnectionStrings when the extension method name is ConnectionString

Author: almostchristian

src/ConfigurationProcessor.Core/Implementation/StringArgumentValue.cs

@@ -38,7 +38,8 @@ public StringArgumentValue(IConfigurationSection section, string providedValue,
 
          if (toType == typeof(string))
          {
-            if ("ConnectionString".Equals(providedKey ?? originalKey, StringComparison.OrdinalIgnoreCase))
+            if ("ConnectionString".Equals(providedKey, StringComparison.OrdinalIgnoreCase) ||
+               "ConnectionString".Equals(originalKey, StringComparison.OrdinalIgnoreCase))
             {
                return resolutionContext.RootConfiguration.GetConnectionString(providedValue) ?? providedValue;
             }

src/Directory.Build.props

@@ -5,7 +5,7 @@
    </PropertyGroup>
 
    <PropertyGroup>
-      <Version>1.7.1</Version>
+      <Version>1.7.2</Version>
       <FileVersion>$(Version).$([System.DateTime]::Now.ToString(yy))$([System.DateTime]::Now.DayOfYear.ToString(000))</FileVersion>
       <PackageVersion>$(Version)</PackageVersion>
       <InformationalVersion>$(FileVersion)-$(GIT_VERSION)</InformationalVersion>
@@ -23,7 +23,7 @@
       <PackageTags>dependencyinjection;configuration;ioc;di;</PackageTags>
       <PackageReadmeFile>README.md</PackageReadmeFile>
       <PackageReleaseNotes>
-v1.7.1
+v1.7.2
    - Added special handling for retrieving ConnectionStrings
    - Lambda parameters can now be in any position
 v1.6.1

tests/ConfigurationProcessor.DependencyInjection.UnitTests/ConfigurationBuilderTestsBase.cs

@@ -1359,6 +1359,24 @@ public void WithSimpleValue_GivenConnectionString_SetsConnectionStringValue(stri
          Assert.Equal(expectedConnectionStringValue, option.Value.ConnectionString);
       }
 
+      [Theory]
+      [InlineData("Conn1", "abcd")]
+      [InlineData("Conn2", "efgh")]
+      public void WithObjectNotation_CallExtensionForConnectionString_SetsConnectionStringValue(string connectionStringName, string expectedConnectionStringValue)
+      {
+         // IConfiguration sorts the keys when calling GetChildren()
+         var json = @$"
+{{
+   'ConfigurationAction': {{
+      'ConnectionString': '{connectionStringName}'
+   }}
+}}";
+
+         var sp = BuildFromJson(json);
+         var option = sp.GetService<IOptions<ComplexObject>>();
+         Assert.Equal(expectedConnectionStringValue, option.Value.Name);
+      }
+
       private IServiceProvider BuildFromJson(string json)
       {
          var serviceCollection = ProcessJson(json);

tests/TestDummies/DummyServiceCollectionExtensions.cs

@@ -298,5 +298,10 @@ public static IServiceCollection ConfigureDbConnection(this IServiceCollection s
       {
          return services.Configure(configure);
       }
+
+      public static void ConnectionString(this ComplexObject obj, string value)
+      {
+         obj.Name = value;
+      }
    }
 }