LanguageSupportService

Author: gruenwaldlk

PG.StarWarsGame.Components.Localisation/PG.StarWarsGame.Components.Localisation.Test/Services/AlamoLanguageSupportServiceTest.cs

@@ -0,0 +1,89 @@
+// Copyright (c) Alamo Engine Tools and contributors. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for details.
+
+using System;
+using System.Collections.Generic;
+using System.IO.Abstractions;
+using System.Linq;
+using System.Reflection;
+using Microsoft.Extensions.DependencyInjection;
+using PG.Commons.Extensibility;
+using PG.StarWarsGame.Components.Localisation.Attributes;
+using PG.StarWarsGame.Components.Localisation.Languages;
+using PG.StarWarsGame.Components.Localisation.Languages.BuiltIn;
+using PG.StarWarsGame.Components.Localisation.Services;
+using Testably.Abstractions.Testing;
+using Xunit;
+
+namespace PG.StarWarsGame.Components.Localisation.Test.Services;
+
+public class AlamoLanguageSupportServiceTest
+{
+    private readonly MockFileSystem _fileSystem = new();
+    private readonly IAlamoLanguageSupportService _service;
+
+    private readonly HashSet<Type> builtin_types = new()
+    {
+        typeof(ChineseAlamoLanguageDefinition),
+        typeof(EnglishAlamoLanguageDefinition),
+        typeof(FrenchAlamoLanguageDefinition),
+        typeof(GermanAlamoLanguageDefinition),
+        typeof(ItalianAlamoLanguageDefinition),
+        typeof(JapaneseAlamoLanguageDefinition),
+        typeof(KoreanAlamoLanguageDefinition),
+        typeof(PolishAlamoLanguageDefinition),
+        typeof(RussianAlamoLanguageDefinition),
+        typeof(SpanishAlamoLanguageDefinition),
+        typeof(ThaiAlamoLanguageDefinition)
+    };
+
+    public AlamoLanguageSupportServiceTest()
+    {
+        var sc = new ServiceCollection();
+        sc.AddSingleton<IFileSystem>(_fileSystem);
+        sc.CollectPgServiceContributions();
+        _service = sc.BuildServiceProvider().GetRequiredService<IAlamoLanguageSupportService>();
+    }
+
+    [Fact]
+    public void Test_DefaultLanguageDefinitionDefinedExactlyOnce()
+    {
+        var languageDefinitions = AppDomain.CurrentDomain.GetAssemblies()
+            .SelectMany(assemblyTypes => assemblyTypes.GetTypes())
+            .Where(assemblyType => typeof(IAlamoLanguageDefinition).IsAssignableFrom(assemblyType) &&
+                                   assemblyType is { IsClass: true, IsAbstract: false })
+            .Where(t => t.GetCustomAttribute(typeof(DefaultLanguageAttribute)) != null)
+            .ToList();
+        Assert.Single(languageDefinitions);
+        Assert.NotNull(languageDefinitions[0]);
+    }
+
+    [Fact]
+    public void Test_GetDefaultLanguageDefinition_ReturnsEnglish()
+    {
+        var def = _service.GetDefaultLanguageDefinition();
+        Assert.NotNull(def);
+        Assert.Equal(def, new EnglishAlamoLanguageDefinition());
+    }
+
+    [Theory]
+    [InlineData(null, typeof(EnglishAlamoLanguageDefinition))]
+    [InlineData(typeof(EnglishAlamoLanguageDefinition), typeof(EnglishAlamoLanguageDefinition))]
+    [InlineData(typeof(ChineseAlamoLanguageDefinition), typeof(ChineseAlamoLanguageDefinition))]
+    public void Test_GetFallbackLanguageDefinition_ReturnsDesired(Type? definition, Type expected)
+    {
+        var exp = (IAlamoLanguageDefinition)Activator.CreateInstance(expected)!;
+        if (definition != null)
+            _service.WithOverrideFallbackLanguage((IAlamoLanguageDefinition)Activator.CreateInstance(definition)!);
+        else
+            _service.WithOverrideFallbackLanguage(new EnglishAlamoLanguageDefinition());
+        Assert.Equal(exp, _service.GetFallbackLanguageDefinition());
+    }
+
+    [Fact]
+    public void Test_IsBuiltInLanguageDefinition_ReturnsTrue()
+    {
+        foreach (var b in builtin_types)
+            Assert.True(_service.IsBuiltInLanguageDefinition((IAlamoLanguageDefinition)Activator.CreateInstance(b)!));
+    }
+}

PG.StarWarsGame.Components.Localisation/PG.StarWarsGame.Components.Localisation/Services/AlamoLanguageSupportService.cs

@@ -29,7 +29,7 @@ public bool IsBuiltInLanguageDefinition(IAlamoLanguageDefinition definition)
     }
 
     /// <inheritdoc />
-    public IAlamoLanguageDefinition GetFallBackLanguageDefinition()
+    public IAlamoLanguageDefinition GetFallbackLanguageDefinition()
     {
         return _fallbackAlamoLanguageDefinition;
     }

PG.StarWarsGame.Components.Localisation/PG.StarWarsGame.Components.Localisation/Services/IAlamoLanguageSupportService.cs

@@ -23,7 +23,7 @@ public interface IAlamoLanguageSupportService
     ///     overridden with <see cref="WithOverrideFallbackLanguage" />
     /// </summary>
     /// <returns></returns>
-    IAlamoLanguageDefinition GetFallBackLanguageDefinition();
+    IAlamoLanguageDefinition GetFallbackLanguageDefinition();
 
     /// <summary>
     ///     Allows for overriding the fallback language.
@@ -38,4 +38,4 @@ public interface IAlamoLanguageSupportService
     /// </summary>
     /// <returns></returns>
     IAlamoLanguageDefinition GetDefaultLanguageDefinition();
-}
+}