Migrate HealthChecks.MySql tests to Testcontainers (#2353)

Author: Alirexaa

.github/workflows/healthchecks_mysql_ci.yml

@@ -26,49 +26,10 @@ on:
       - Directory.Build.props
       - Directory.Build.targets
       - Directory.Packages.props
-
 jobs:
   build:
-    runs-on: ubuntu-latest
-    services:
-      mysql:
-        image: mysql
-        ports:
-          - 3306:3306
-        env:
-          MYSQL_ROOT_PASSWORD: Password12!
-    steps:
-      - uses: actions/checkout@v3
-      - name: Setup .NET
-        uses: actions/setup-dotnet@v4
-        with:
-          dotnet-version: |
-            8.0.x
-            9.0.x
-      - name: Restore
-        run: |
-          dotnet restore ./src/HealthChecks.MySql/HealthChecks.MySql.csproj &&
-          dotnet restore ./test/HealthChecks.MySql.Tests/HealthChecks.MySql.Tests.csproj
-      - name: Check formatting
-        run: |
-          dotnet format --no-restore --verify-no-changes --severity warn ./src/HealthChecks.MySql/HealthChecks.MySql.csproj || (echo "Run 'dotnet format' to fix issues" && exit 1) &&
-          dotnet format --no-restore --verify-no-changes --severity warn ./test/HealthChecks.MySql.Tests/HealthChecks.MySql.Tests.csproj || (echo "Run 'dotnet format' to fix issues" && exit 1)
-      - name: Build
-        run: |
-          dotnet build --no-restore ./src/HealthChecks.MySql/HealthChecks.MySql.csproj &&
-          dotnet build --no-restore ./test/HealthChecks.MySql.Tests/HealthChecks.MySql.Tests.csproj
-      - name: Test
-        run: >
-          dotnet test
-          ./test/HealthChecks.MySql.Tests/HealthChecks.MySql.Tests.csproj
-          --no-restore
-          --no-build
-          --collect "XPlat Code Coverage"
-          --results-directory .coverage
-          --
-          DataCollectionRunSettings.DataCollectors.DataCollector.Configuration.Format=opencover
-      - name: Upload Coverage
-        uses: codecov/codecov-action@v5
-        with:
-          flags: MySql
-          directory: .coverage
+    uses: ./.github/workflows/reusable_ci_workflow.yml
+    with:
+      PROJECT_PATH: ./src/HealthChecks.MySql/HealthChecks.MySql.csproj
+      TEST_PROJECT_PATH: ./test/HealthChecks.MySql.Tests/HealthChecks.MySql.Tests.csproj
+      CODECOV_FLAGS: MySql

Directory.Packages.props

@@ -105,6 +105,7 @@
     <PackageVersion Include="Testcontainers.PostgreSql" Version="$(TestcontainersVersion)" />
     <PackageVersion Include="TestContainers.MongoDb" Version="$(TestcontainersVersion)" />
     <PackageVersion Include="Testcontainers.MsSql" Version="$(TestcontainersVersion)" />
+    <PackageVersion Include="Testcontainers.MySql" Version="$(TestcontainersVersion)" />
     <PackageVersion Include="Testcontainers.Redis" Version="$(TestcontainersVersion)" />
     <PackageVersion Include="Testcontainers.RabbitMq" Version="$(TestcontainersVersion)" />
     <PackageVersion Include="xunit" Version="2.9.2" />

test/HealthChecks.MySql.Tests/Functional/MySqlHealthCheckTests.cs

@@ -3,12 +3,12 @@
 
 namespace HealthChecks.MySql.Tests.Functional;
 
-public class mysql_healthcheck_should
+public class mysql_healthcheck_should(MySqlContainerFixture mySqlContainerFixture) : IClassFixture<MySqlContainerFixture>
 {
     [Fact]
     public async Task be_healthy_when_mysql_server_is_available_using_data_source()
     {
-        var connectionString = "server=localhost;port=3306;database=information_schema;uid=root;password=Password12!";
+        var connectionString = mySqlContainerFixture.GetConnectionString();
 
         var webHostBuilder = new WebHostBuilder()
             .ConfigureServices(services =>
@@ -35,7 +35,7 @@ public async Task be_healthy_when_mysql_server_is_available_using_data_source()
     [Fact]
     public async Task be_healthy_when_mysql_server_is_available_using_connection_string()
     {
-        var connectionString = "server=localhost;port=3306;database=information_schema;uid=root;password=Password12!";
+        var connectionString = mySqlContainerFixture.GetConnectionString();
 
         var webHostBuilder = new WebHostBuilder()
             .ConfigureServices(services =>

test/HealthChecks.MySql.Tests/HealthChecks.MySql.Tests.csproj

@@ -8,4 +8,8 @@
     <ProjectReference Include="..\..\src\HealthChecks.MySql\HealthChecks.MySql.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Testcontainers.MySql" />
+  </ItemGroup>
+  
 </Project>

test/HealthChecks.MySql.Tests/MySqlContainerFixture.cs

@@ -0,0 +1,35 @@
+using Testcontainers.MySql;
+
+namespace HealthChecks.MySql.Tests;
+
+public sealed class MySqlContainerFixture : IAsyncLifetime
+{
+    public const string Registry = "docker.io";
+
+    public const string Image = "library/mysql";
+
+    public const string Tag = "9.1";
+
+    public MySqlContainer? Container { get; private set; }
+
+    public string GetConnectionString() => Container?.GetConnectionString() ??
+        throw new InvalidOperationException("The test container was not initialized.");
+
+    public async Task InitializeAsync() => Container = await CreateContainerAsync();
+
+    public async Task DisposeAsync()
+    {
+        if (Container is not null)
+            await Container.DisposeAsync();
+    }
+
+    public static async Task<MySqlContainer> CreateContainerAsync()
+    {
+        var container = new MySqlBuilder()
+            .WithImage($"{Registry}/{Image}:{Tag}")
+            .Build();
+        await container.StartAsync();
+
+        return container;
+    }
+}