Run tests under 'en-US' locale

Author: Chris Martinez

src/Abstractions/test/Asp.Versioning.Abstractions.Tests/ApiVersionFormatProviderTest.cs

@@ -41,6 +41,7 @@ public void get_format_should_return_expected_format_provider()
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( FormatProvidersData ) )]
     public void format_should_allow_null_or_empty_format_string( ApiVersionFormatProvider provider )
     {
@@ -56,6 +57,7 @@ public void format_should_allow_null_or_empty_format_string( ApiVersionFormatPro
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( FormatProvidersData ) )]
     public void format_should_return_full_formatted_string_without_optional_components( ApiVersionFormatProvider provider )
     {
@@ -70,6 +72,7 @@ public void format_should_return_full_formatted_string_without_optional_componen
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( FormatProvidersData ) )]
     public void format_should_return_full_formatted_string_with_optional_components( ApiVersionFormatProvider provider )
     {
@@ -84,6 +87,7 @@ public void format_should_return_full_formatted_string_with_optional_components(
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( FormatProvidersData ) )]
     public void format_should_return_original_string_format_when_argument_cannot_be_formatted( ApiVersionFormatProvider provider )
     {
@@ -113,6 +117,7 @@ public void format_should_not_allow_malformed_literal_string( ApiVersionFormatPr
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( GroupVersionFormatData ) )]
     public void format_should_return_formatted_group_version_string( ApiVersionFormatProvider provider, string format )
     {
@@ -129,6 +134,7 @@ public void format_should_return_formatted_group_version_string( ApiVersionForma
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( FormatProvidersData ) )]
     public void format_should_return_formatted_minor_version_string( ApiVersionFormatProvider provider )
     {
@@ -143,6 +149,7 @@ public void format_should_return_formatted_minor_version_string( ApiVersionForma
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( FormatProvidersData ) )]
     public void format_should_return_formatted_major_version_string( ApiVersionFormatProvider provider )
     {
@@ -157,6 +164,7 @@ public void format_should_return_formatted_major_version_string( ApiVersionForma
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( FormatProvidersData ) )]
     public void format_should_return_formatted_major_and_minor_version_string( ApiVersionFormatProvider provider )
     {
@@ -171,6 +179,7 @@ public void format_should_return_formatted_major_and_minor_version_string( ApiVe
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( FormatProvidersData ) )]
     public void format_should_return_formatted_short_version_string( ApiVersionFormatProvider provider )
     {
@@ -185,6 +194,7 @@ public void format_should_return_formatted_short_version_string( ApiVersionForma
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( FormatProvidersData ) )]
     public void format_should_return_formatted_long_version_string( ApiVersionFormatProvider provider )
     {
@@ -199,6 +209,7 @@ public void format_should_return_formatted_long_version_string( ApiVersionFormat
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( FormatProvidersData ) )]
     public void format_should_return_formatted_status_string( ApiVersionFormatProvider provider )
     {
@@ -213,6 +224,7 @@ public void format_should_return_formatted_status_string( ApiVersionFormatProvid
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( PaddedMinorVersionFormatData ) )]
     public void format_should_return_formatted_minor_version_with_padding_string( ApiVersionFormatProvider provider, string format )
     {
@@ -233,6 +245,7 @@ public void format_should_return_formatted_minor_version_with_padding_string( Ap
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( PaddedMajorVersionFormatData ) )]
     public void format_should_return_formatted_major_version_with_padding_string( ApiVersionFormatProvider provider, string format )
     {
@@ -253,6 +266,7 @@ public void format_should_return_formatted_major_version_with_padding_string( Ap
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( CustomFormatData ) )]
     public void format_should_return_custom_format_string( Func<ApiVersion, string> format, string expected )
     {
@@ -268,6 +282,7 @@ public void format_should_return_custom_format_string( Func<ApiVersion, string>
     }
 
     [Theory]
+    [AssumeCulture( "en-us" )]
     [MemberData( nameof( MultipleFormatParameterData ) )]
     public void format_should_return_formatted_string_with_multiple_parameters( ApiVersionFormatProvider provider, string format, object secondArgument, string expected )
     {
@@ -284,6 +299,7 @@ public void format_should_return_formatted_string_with_multiple_parameters( ApiV
     }
 
     [Fact]
+    [AssumeCulture( "en-us" )]
     public void format_should_return_formatted_string_with_escape_sequence()
     {
         // arrange

src/Abstractions/test/Asp.Versioning.Abstractions.Tests/AssumeCultureAttribute.cs

@@ -0,0 +1,40 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+
+namespace Asp.Versioning;
+
+using System.Globalization;
+using System.Reflection;
+using Xunit.Sdk;
+using static System.AttributeTargets;
+using static System.Threading.Thread;
+
+/// <summary>
+/// Allows a test method to assume that it is running in a specific locale.
+/// </summary>
+[AttributeUsage( Class | Method, AllowMultiple = false, Inherited = true )]
+public sealed class AssumeCultureAttribute : BeforeAfterTestAttribute
+{
+    private CultureInfo originalCulture;
+    private CultureInfo originalUICulture;
+
+    public AssumeCultureAttribute( string name ) => Name = name;
+
+    public string Name { get; }
+
+    public override void Before( MethodInfo methodUnderTest )
+    {
+        originalCulture = CurrentThread.CurrentCulture;
+        originalUICulture = CurrentThread.CurrentUICulture;
+
+        var culture = CultureInfo.CreateSpecificCulture( Name );
+
+        CurrentThread.CurrentCulture = culture;
+        CurrentThread.CurrentUICulture = culture;
+    }
+
+    public override void After( MethodInfo methodUnderTest )
+    {
+        CurrentThread.CurrentCulture = originalCulture;
+        CurrentThread.CurrentUICulture = originalUICulture;
+    }
+}