chore: Remove SharedContainerInstance and use ContainerFixture instead

Now that `Testcontainers.Xunit` is available we can get rid of `SharedContainerInstance` in the `Testcontainers.Commons` project since it serves the same purpose.

Author: 0xced

tests/Testcontainers.Commons/SharedContainerInstance.cs

@@ -9,7 +9,6 @@
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="JetBrains.Annotations" VersionOverride="2023.3.0"/>
-        <PackageReference Include="xunit"/>
     </ItemGroup>
     <ItemGroup>
         <ProjectReference Include="../../src/Testcontainers/Testcontainers.csproj"/>

tests/Testcontainers.Commons/Testcontainers.Commons.csproj

@@ -2,8 +2,5 @@
 global using System.Diagnostics;
 global using System.IO;
 global using System.Text;
-global using System.Threading.Tasks;
-global using DotNet.Testcontainers.Containers;
 global using DotNet.Testcontainers.Images;
-global using JetBrains.Annotations;
-global using Xunit;
+global using JetBrains.Annotations;

tests/Testcontainers.Commons/Usings.cs

@@ -46,13 +46,13 @@ public async Task ExecScriptReturnsSuccessful()
     }
     // # --8<-- [end:UsePostgreSqlContainer]
 
-    public sealed class ReuseContainerTest : IClassFixture<SharedPostgreSqlInstance>, IDisposable
+    public sealed class ReuseContainerTest : IClassFixture<PostgreSqlFixture>, IDisposable
     {
         private readonly CancellationTokenSource _cts = new CancellationTokenSource(TimeSpan.FromMinutes(1));
 
-        private readonly SharedContainerInstance<PostgreSqlContainer> _fixture;
+        private readonly PostgreSqlFixture _fixture;
 
-        public ReuseContainerTest(SharedPostgreSqlInstance fixture)
+        public ReuseContainerTest(PostgreSqlFixture fixture)
         {
             _fixture = fixture;
         }
@@ -79,10 +79,10 @@ await _fixture.Container.StartAsync(_cts.Token)
     }
 
     [UsedImplicitly]
-    public sealed class SharedPostgreSqlInstance : SharedContainerInstance<PostgreSqlContainer>
+    public sealed class PostgreSqlFixture : ContainerFixture<PostgreSqlBuilder, PostgreSqlContainer>
     {
-        public SharedPostgreSqlInstance()
-            : base(new PostgreSqlBuilder().Build())
+        public PostgreSqlFixture(IMessageSink messageSink)
+            : base(messageSink)
         {
         }
     }

tests/Testcontainers.PostgreSql.Tests/PostgreSqlContainerTest.cs

@@ -15,6 +15,7 @@
     </ItemGroup>
     <ItemGroup>
         <ProjectReference Include="../../src/Testcontainers.PostgreSql/Testcontainers.PostgreSql.csproj"/>
+        <ProjectReference Include="../../src/Testcontainers.Xunit/Testcontainers.Xunit.csproj" />
         <ProjectReference Include="../Testcontainers.Commons/Testcontainers.Commons.csproj"/>
     </ItemGroup>
 </Project>

tests/Testcontainers.PostgreSql.Tests/Testcontainers.PostgreSql.Tests.csproj

@@ -3,7 +3,9 @@
 global using System.Data.Common;
 global using System.Threading;
 global using System.Threading.Tasks;
+global using Testcontainers.Xunit;
 global using DotNet.Testcontainers.Commons;
 global using JetBrains.Annotations;
 global using Npgsql;
-global using Xunit;
+global using Xunit;
+global using Xunit.Abstractions;