Extract Aspire.Hosting.Valkey.Tests project (#4930)

eerhardt · web-flow · commit 6de43ed709cb · 2024-07-16T23:08:03.000Z
* Extract Aspire.Hosting.Valkey.Tests project Contributes to #3185 Contributes to #4294 * Respond to PR feedback
diff --git a/Aspire.sln b/Aspire.sln
@@ -514,6 +514,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Aspire.Hosting.Qdrant.Tests
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Aspire.Hosting.Kafka.Tests", "tests\Aspire.Hosting.Kafka.Tests\Aspire.Hosting.Kafka.Tests.csproj", "{0A83AA67-221E-44B4-9BA9-DC64DC17949E}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Aspire.Hosting.Valkey.Tests", "tests\Aspire.Hosting.Valkey.Tests\Aspire.Hosting.Valkey.Tests.csproj", "{1C16DC2D-3B79-4081-AC1E-F3F965C61216}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -1332,18 +1334,22 @@ Global
 		{1BC02557-B78B-48CE-9D3C-488A6B7672F4}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{1BC02557-B78B-48CE-9D3C-488A6B7672F4}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1BC02557-B78B-48CE-9D3C-488A6B7672F4}.Release|Any CPU.Build.0 = Release|Any CPU
-		{8E2AA85E-C351-47B4-AF91-58557FAD5840}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{8E2AA85E-C351-47B4-AF91-58557FAD5840}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{8E2AA85E-C351-47B4-AF91-58557FAD5840}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{8E2AA85E-C351-47B4-AF91-58557FAD5840}.Release|Any CPU.Build.0 = Release|Any CPU
 		{7425E5B2-BC47-4521-AC40-B8CECA329E08}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{7425E5B2-BC47-4521-AC40-B8CECA329E08}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{7425E5B2-BC47-4521-AC40-B8CECA329E08}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{7425E5B2-BC47-4521-AC40-B8CECA329E08}.Release|Any CPU.Build.0 = Release|Any CPU
+		{8E2AA85E-C351-47B4-AF91-58557FAD5840}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8E2AA85E-C351-47B4-AF91-58557FAD5840}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8E2AA85E-C351-47B4-AF91-58557FAD5840}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8E2AA85E-C351-47B4-AF91-58557FAD5840}.Release|Any CPU.Build.0 = Release|Any CPU
 		{0A83AA67-221E-44B4-9BA9-DC64DC17949E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{0A83AA67-221E-44B4-9BA9-DC64DC17949E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{0A83AA67-221E-44B4-9BA9-DC64DC17949E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{0A83AA67-221E-44B4-9BA9-DC64DC17949E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1C16DC2D-3B79-4081-AC1E-F3F965C61216}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1C16DC2D-3B79-4081-AC1E-F3F965C61216}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1C16DC2D-3B79-4081-AC1E-F3F965C61216}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1C16DC2D-3B79-4081-AC1E-F3F965C61216}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -1587,9 +1593,10 @@ Global
 		{C424395C-1235-41A4-BF55-07880A04368C} = {4981B3A5-4AFD-4191-BF7D-8692D9783D60}
 		{830A89EC-4029-4753-B25A-068BAE37DEC7} = {4981B3A5-4AFD-4191-BF7D-8692D9783D60}
 		{1BC02557-B78B-48CE-9D3C-488A6B7672F4} = {830A89EC-4029-4753-B25A-068BAE37DEC7}
-		{8E2AA85E-C351-47B4-AF91-58557FAD5840} = {830A89EC-4029-4753-B25A-068BAE37DEC7}
 		{7425E5B2-BC47-4521-AC40-B8CECA329E08} = {830A89EC-4029-4753-B25A-068BAE37DEC7}
+		{8E2AA85E-C351-47B4-AF91-58557FAD5840} = {830A89EC-4029-4753-B25A-068BAE37DEC7}
 		{0A83AA67-221E-44B4-9BA9-DC64DC17949E} = {830A89EC-4029-4753-B25A-068BAE37DEC7}
+		{1C16DC2D-3B79-4081-AC1E-F3F965C61216} = {830A89EC-4029-4753-B25A-068BAE37DEC7}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {6DCEDFEC-988E-4CB3-B45B-191EB5086E0C}
diff --git a/tests/Aspire.EndToEnd.Tests/IntegrationServicesFixture.cs b/tests/Aspire.EndToEnd.Tests/IntegrationServicesFixture.cs
@@ -117,7 +117,6 @@ public Task DumpComponentLogsAsync(TestResourceNames resource, ITestOutputHelper
             TestResourceNames.rabbitmq => "rabbitmq",
             TestResourceNames.redis => "redis",
             TestResourceNames.sqlserver or TestResourceNames.efsqlserver => "sqlserver",
-            TestResourceNames.valkey => "valkey",
             _ => throw new ArgumentException($"Unknown resource: {resource}")
         };
 
@@ -154,7 +153,6 @@ private static TestResourceNames GetResourcesToSkip()
                               | TestResourceNames.rabbitmq
                               | TestResourceNames.redis
                               | TestResourceNames.garnet
-                              | TestResourceNames.valkey
                               | TestResourceNames.postgres
                               | TestResourceNames.efnpgsql
                               | TestResourceNames.mysql
diff --git a/tests/Aspire.EndToEnd.Tests/IntegrationServicesTests.cs b/tests/Aspire.EndToEnd.Tests/IntegrationServicesTests.cs
@@ -31,7 +31,6 @@ public IntegrationServicesTests(ITestOutputHelper testOutput, IntegrationService
     [InlineData(TestResourceNames.rabbitmq)]
     [InlineData(TestResourceNames.redis)]
     [InlineData(TestResourceNames.garnet)]
-    [InlineData(TestResourceNames.valkey)]
     [InlineData(TestResourceNames.sqlserver)]
     [InlineData(TestResourceNames.efsqlserver)]
     [InlineData(TestResourceNames.milvus)]
diff --git a/tests/Aspire.Hosting.Kafka.Tests/KafkaFunctionalTests.cs b/tests/Aspire.Hosting.Kafka.Tests/KafkaFunctionalTests.cs
@@ -212,7 +212,7 @@ await pipeline.ExecuteAsync(async token =>
             {
                 try
                 {
-                    File.Delete(bindMountPath);
+                    Directory.Delete(bindMountPath, recursive: true);
                 }
                 catch
                 {
diff --git a/tests/Aspire.Hosting.PostgreSQL.Tests/PostgresFunctionalTests.cs b/tests/Aspire.Hosting.PostgreSQL.Tests/PostgresFunctionalTests.cs
@@ -219,7 +219,7 @@ await pipeline.ExecuteAsync(
             {
                 try
                 {
-                    File.Delete(bindMountPath);
+                    Directory.Delete(bindMountPath, recursive: true);
                 }
                 catch
                 {
diff --git a/tests/Aspire.Hosting.Qdrant.Tests/QdrantFunctionalTests.cs b/tests/Aspire.Hosting.Qdrant.Tests/QdrantFunctionalTests.cs
@@ -208,7 +208,7 @@ await pipeline.ExecuteAsync(async token =>
             {
                 try
                 {
-                    File.Delete(bindMountPath);
+                    Directory.Delete(bindMountPath, recursive: true);
                 }
                 catch
                 {
@@ -224,4 +224,4 @@ private TestDistributedApplicationBuilder CreateDistributedApplicationBuilder()
         builder.Services.AddXunitLogging(testOutputHelper);
         return builder;
     }
-}
+}
diff --git a/tests/Aspire.Hosting.Redis.Tests/RedisFunctionalTests.cs b/tests/Aspire.Hosting.Redis.Tests/RedisFunctionalTests.cs
@@ -217,7 +217,7 @@ public async Task WithDataBindMountShouldPersistStateBetweenUsages()
 
         try
         {
-            File.Delete(bindMountPath);
+            Directory.Delete(bindMountPath, recursive: true);
         }
         catch
         {
diff --git a/tests/Aspire.Hosting.Tests/Aspire.Hosting.Tests.csproj b/tests/Aspire.Hosting.Tests/Aspire.Hosting.Tests.csproj
@@ -36,7 +36,6 @@
     <ProjectReference Include="..\..\src\Aspire.Hosting.Nats\Aspire.Hosting.Nats.csproj" IsAspireProjectResource="false" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Testing\Aspire.Hosting.Testing.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Python\Aspire.Hosting.Python.csproj" IsAspireProjectResource="false" />
-    <ProjectReference Include="..\..\src\Aspire.Hosting.Valkey\Aspire.Hosting.Valkey.csproj" IsAspireProjectResource="false" />
     <ProjectReference Include="..\Aspire.Components.Common.Tests\Aspire.Components.Common.Tests.csproj" IsAspireProjectResource="false" />
     <ProjectReference Include="..\testproject\TestProject.AppHost\TestProject.AppHost.csproj" IsAspireProjectResource="false" />
     <ProjectReference Include="..\Aspire.Hosting.Tests.SharedShim\Aspire.Hosting.Tests.SharedShim.csproj" IsAspireProjectResource="false" Aliases="AspireHostingShared" />
@@ -63,7 +62,6 @@
     <Compile Include="$(RepoRoot)src\Aspire.Hosting.Redis\RedisContainerImageTags.cs" />
     <Compile Include="$(RepoRoot)src\Aspire.Hosting.Qdrant\QdrantContainerImageTags.cs" />
     <Compile Include="$(RepoRoot)src\Aspire.Hosting.SqlServer\SqlServerContainerImageTags.cs" />
-    <Compile Include="$(RepoRoot)src\Aspire.Hosting.Valkey\ValkeyContainerImageTags.cs" />
     <Compile Include="$(RepoRoot)src\Aspire.Hosting.Azure.EventHubs\EventHubsEmulatorContainerImageTags.cs" />
 
     <Compile Include="$(RepoRoot)tests\Aspire.Hosting.Testing.Tests\DistributedApplicationHttpClientExtensionsForTests.cs" />
diff --git a/tests/Aspire.Hosting.Tests/ManifestGenerationTests.cs b/tests/Aspire.Hosting.Tests/ManifestGenerationTests.cs
@@ -12,7 +12,6 @@
 using Aspire.Hosting.Redis;
 using Aspire.Hosting.Tests.Helpers;
 using Aspire.Hosting.Utils;
-using Aspire.Hosting.Valkey;
 using Microsoft.Extensions.DependencyInjection;
 using Xunit;
 
@@ -484,7 +483,6 @@ public void VerifyTestProgramFullManifest()
                     "ConnectionStrings__mysqldb": "{mysqldb.connectionString}",
                     "ConnectionStrings__redis": "{redis.connectionString}",
                     "ConnectionStrings__garnet": "{garnet.connectionString}",
-                    "ConnectionStrings__valkey": "{valkey.connectionString}",
                     "ConnectionStrings__postgresdb": "{postgresdb.connectionString}",
                     "ConnectionStrings__rabbitmq": "{rabbitmq.connectionString}",
                     "ConnectionStrings__mymongodb": "{mymongodb.connectionString}",
@@ -574,19 +572,6 @@ public void VerifyTestProgramFullManifest()
                     }
                   }
                 },
-                "valkey": {
-                  "type": "container.v0",
-                  "connectionString": "{valkey.bindings.tcp.host}:{valkey.bindings.tcp.port}",
-                  "image": "{{TestConstants.AspireTestContainerRegistry}}/{{ValkeyContainerImageTags.Image}}:{{ValkeyContainerImageTags.Tag}}",
-                  "bindings": {
-                    "tcp": {
-                      "scheme": "tcp",
-                      "protocol": "tcp",
-                      "transport": "tcp",
-                      "targetPort": 6379
-                    }
-                  }
-                },
                 "postgres": {
                   "type": "container.v0",
                   "connectionString": "Host={postgres.bindings.tcp.host};Port={postgres.bindings.tcp.port};Username=postgres;Password={postgres-password.value}",
diff --git a/tests/Aspire.Hosting.Valkey.Tests/AddValkeyTests.cs b/tests/Aspire.Hosting.Valkey.Tests/AddValkeyTests.cs
@@ -2,12 +2,12 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Net.Sockets;
+using Aspire.Hosting.ApplicationModel;
 using Aspire.Hosting.Utils;
-using Aspire.Hosting.Valkey;
 using Microsoft.Extensions.DependencyInjection;
 using Xunit;
 
-namespace Aspire.Hosting.Tests.Valkey;
+namespace Aspire.Hosting.Valkey.Tests;
 
 public class AddValkeyTests
 {
diff --git a/tests/Aspire.Hosting.Valkey.Tests/Aspire.Hosting.Valkey.Tests.csproj b/tests/Aspire.Hosting.Valkey.Tests/Aspire.Hosting.Valkey.Tests.csproj
@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>$(NetCurrent)</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Aspire.Hosting.Valkey\Aspire.Hosting.Valkey.csproj" />
+    <ProjectReference Include="..\..\src\Components\Aspire.StackExchange.Redis\Aspire.StackExchange.Redis.csproj" />
+    <ProjectReference Include="..\Aspire.Hosting.Tests\Aspire.Hosting.Tests.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Include="$(RepoRoot)src\Aspire.Hosting.Valkey\ValkeyContainerImageTags.cs" />
+    <Compile Include="$(SharedDir)VolumeNameGenerator.cs" Link="Utils\VolumeNameGenerator.cs" />
+  </ItemGroup>
+
+</Project>
diff --git a/tests/Aspire.Hosting.Valkey.Tests/ValkeyFunctionalTests.cs b/tests/Aspire.Hosting.Valkey.Tests/ValkeyFunctionalTests.cs
@@ -0,0 +1,194 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using Aspire.Components.Common.Tests;
+using Aspire.Hosting.Utils;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using StackExchange.Redis;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Aspire.Hosting.Valkey.Tests;
+
+public class ValkeyFunctionalTests(ITestOutputHelper testOutputHelper)
+{
+    [Fact]
+    [RequiresDocker]
+    public async Task VerifyValkeyResource()
+    {
+        var builder = CreateDistributedApplicationBuilder();
+
+        var valkey = builder.AddValkey("valkey");
+
+        using var app = builder.Build();
+
+        await app.StartAsync();
+
+        var hb = Host.CreateApplicationBuilder();
+
+        hb.Configuration.AddInMemoryCollection(new Dictionary<string, string?>
+        {
+            [$"ConnectionStrings:{valkey.Resource.Name}"] = await valkey.Resource.ConnectionStringExpression.GetValueAsync(default)
+        });
+
+        hb.AddRedisClient(valkey.Resource.Name);
+
+        using var host = hb.Build();
+
+        await host.StartAsync();
+
+        var redisClient = host.Services.GetRequiredService<IConnectionMultiplexer>();
+
+        var db = redisClient.GetDatabase();
+
+        await db.StringSetAsync("key", "value");
+
+        var value = await db.StringGetAsync("key");
+
+        Assert.Equal("value", value);
+    }
+
+    [Theory]
+    [InlineData(true)]
+    [InlineData(false)]
+    [RequiresDocker]
+    public async Task WithDataShouldPersistStateBetweenUsages(bool useVolume)
+    {
+        string? volumeName = null;
+        string? bindMountPath = null;
+
+        try
+        {
+            var builder1 = CreateDistributedApplicationBuilder();
+            var valkey1 = builder1.AddValkey("valkey");
+
+            if (useVolume)
+            {
+                // Use a deterministic volume name to prevent them from exhausting the machines if deletion fails
+                volumeName = VolumeNameGenerator.CreateVolumeName(valkey1, nameof(WithDataShouldPersistStateBetweenUsages));
+
+                // if the volume already exists (because of a crashing previous run), try to delete it
+                DockerUtils.AttemptDeleteDockerVolume(volumeName);
+                valkey1.WithDataVolume(volumeName);
+            }
+            else
+            {
+                bindMountPath = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
+                valkey1.WithDataBindMount(bindMountPath);
+            }
+
+            using (var app = builder1.Build())
+            {
+                await app.StartAsync();
+                try
+                {
+                    var hb = Host.CreateApplicationBuilder();
+
+                    // BGSAVE is only available in admin mode, enable it for this instance
+                    hb.Configuration.AddInMemoryCollection(new Dictionary<string, string?>
+                    {
+                        [$"ConnectionStrings:{valkey1.Resource.Name}"] = $"{await valkey1.Resource.ConnectionStringExpression.GetValueAsync(default)},allowAdmin=true"
+                    });
+
+                    hb.AddRedisClient(valkey1.Resource.Name);
+
+                    using (var host = hb.Build())
+                    {
+                        await host.StartAsync();
+
+                        var redisClient = host.Services.GetRequiredService<IConnectionMultiplexer>();
+
+                        var db = redisClient.GetDatabase();
+
+                        await db.StringSetAsync("key", "value");
+
+                        // Force Redis to save the keys (snapshotting)
+                        // c.f. https://redis.io/docs/latest/operate/oss_and_stack/management/persistence/
+
+                        await redisClient.GetServers().First().SaveAsync(SaveType.BackgroundSave);
+                    }
+                }
+                finally
+                {
+                    // Stops the container, or the Volume/mount would still be in use
+                    await app.StopAsync();
+                }
+            }
+
+            var builder2 = CreateDistributedApplicationBuilder();
+            var valkey2 = builder2.AddValkey("valkey");
+
+            if (useVolume)
+            {
+                valkey2.WithDataVolume(volumeName);
+            }
+            else
+            {
+                valkey2.WithDataBindMount(bindMountPath!);
+            }
+
+            using (var app = builder2.Build())
+            {
+                await app.StartAsync();
+                try
+                {
+                    var hb = Host.CreateApplicationBuilder();
+
+                    hb.Configuration.AddInMemoryCollection(new Dictionary<string, string?>
+                    {
+                        [$"ConnectionStrings:{valkey2.Resource.Name}"] = await valkey2.Resource.ConnectionStringExpression.GetValueAsync(default)
+                    });
+
+                    hb.AddRedisClient(valkey2.Resource.Name);
+
+                    using (var host = hb.Build())
+                    {
+                        await host.StartAsync();
+
+                        var redisClient = host.Services.GetRequiredService<IConnectionMultiplexer>();
+
+                        var db = redisClient.GetDatabase();
+
+                        var value = await db.StringGetAsync("key");
+
+                        Assert.Equal("value", value);
+                    }
+                }
+                finally
+                {
+                    // Stops the container, or the Volume/mount would still be in use
+                    await app.StopAsync();
+                }
+            }
+        }
+        finally
+        {
+            if (volumeName is not null)
+            {
+                DockerUtils.AttemptDeleteDockerVolume(volumeName);
+            }
+
+            if (bindMountPath is not null)
+            {
+                try
+                {
+                    Directory.Delete(bindMountPath, recursive: true);
+                }
+                catch
+                {
+                    // Don't fail test if we can't clean the temporary folder
+                }
+            }
+        }
+    }
+
+    private TestDistributedApplicationBuilder CreateDistributedApplicationBuilder()
+    {
+        var builder = TestDistributedApplicationBuilder.CreateWithTestContainerRegistry();
+        builder.Services.AddXunitLogging(testOutputHelper);
+        return builder;
+    }
+}
diff --git a/tests/testproject/Common/TestResourceNames.cs b/tests/testproject/Common/TestResourceNames.cs
diff --git a/tests/testproject/TestProject.AppHost/TestProgram.cs b/tests/testproject/TestProject.AppHost/TestProgram.cs
diff --git a/tests/testproject/TestProject.AppHost/TestProject.AppHost.csproj b/tests/testproject/TestProject.AppHost/TestProject.AppHost.csproj
diff --git a/tests/testproject/TestProject.IntegrationServiceA/Program.cs b/tests/testproject/TestProject.IntegrationServiceA/Program.cs
diff --git a/tests/testproject/TestProject.IntegrationServiceA/Valkey/ValkeyExtensions.cs b/tests/testproject/TestProject.IntegrationServiceA/Valkey/ValkeyExtensions.cs

Original file line number	Diff line number	Diff line change
`@@ -212,7 +212,7 @@ await pipeline.ExecuteAsync(async token =>`
`212`	`212`	`{`
`213`	`213`	`try`
`214`	`214`	`{`
`215`		`- File.Delete(bindMountPath);`
	`215`	`+ Directory.Delete(bindMountPath, recursive: true);`
`216`	`216`	`}`
`217`	`217`	`catch`
`218`	`218`	`{`
Original file line number	Diff line number	Diff line change
`@@ -219,7 +219,7 @@ await pipeline.ExecuteAsync(`
`219`	`219`	`{`
`220`	`220`	`try`
`221`	`221`	`{`
`222`		`- File.Delete(bindMountPath);`
	`222`	`+ Directory.Delete(bindMountPath, recursive: true);`
`223`	`223`	`}`
`224`	`224`	`catch`
`225`	`225`	`{`
Original file line number	Diff line number	Diff line change
`@@ -208,7 +208,7 @@ await pipeline.ExecuteAsync(async token =>`
`208`	`208`	`{`
`209`	`209`	`try`
`210`	`210`	`{`
`211`		`- File.Delete(bindMountPath);`
	`211`	`+ Directory.Delete(bindMountPath, recursive: true);`
`212`	`212`	`}`
`213`	`213`	`catch`
`214`	`214`	`{`
`@@ -224,4 +224,4 @@ private TestDistributedApplicationBuilder CreateDistributedApplicationBuilder()`
`224`	`224`	`builder.Services.AddXunitLogging(testOutputHelper);`
`225`	`225`	`return builder;`
`226`	`226`	`}`
`227`		`-}`
	`227`	`+}`
Original file line number	Diff line number	Diff line change
`@@ -217,7 +217,7 @@ public async Task WithDataBindMountShouldPersistStateBetweenUsages()`
`217`	`217`
`218`	`218`	`try`
`219`	`219`	`{`
`220`		`- File.Delete(bindMountPath);`
	`220`	`+ Directory.Delete(bindMountPath, recursive: true);`
`221`	`221`	`}`
`222`	`222`	`catch`
`223`	`223`	`{`