Scaffold Events Integration Tests (#5355)

* Scaffold Events Integration Tests

* Format

test/Events.IntegrationTest/Controllers/CollectControllerTests.cs

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+using System.Net.Http.Json;
+using Bit.Core.Enums;
+using Bit.Events.Models;
+
+namespace Bit.Events.IntegrationTest.Controllers;
+
+public class CollectControllerTests
+{
+    // This is a very simple test, and should be updated to assert more things, but for now
+    // it ensures that the events startup doesn't throw any errors with fairly basic configuration.
+    [Fact]
+    public async Task Post_Works()
+    {
+        var eventsApplicationFactory = new EventsApplicationFactory();
+        var (accessToken, _) = await eventsApplicationFactory.LoginWithNewAccount();
+        var client = eventsApplicationFactory.CreateAuthedClient(accessToken);
+
+        var response = await client.PostAsJsonAsync<IEnumerable<EventModel>>("collect",
+        [
+            new EventModel
+            {
+                Type = EventType.User_ClientExportedVault,
+                Date = DateTime.UtcNow,
+            },
+        ]);
+
+        response.EnsureSuccessStatusCode();
+    }
+}

test/Events.IntegrationTest/Events.IntegrationTest.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(MicrosoftNetTestSdkVersion)" />
+    <PackageReference Include="xunit" Version="$(XUnitVersion)" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="$(XUnitRunnerVisualStudioVersion)">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="$(CoverletCollectorVersion)">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Events\Events.csproj" />
+    <ProjectReference Include="..\IntegrationTestCommon\IntegrationTestCommon.csproj" />
+  </ItemGroup>
+
+</Project>

test/Events.IntegrationTest/EventsApplicationFactory.cs

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+using Bit.Identity.Models.Request.Accounts;
+using Bit.IntegrationTestCommon.Factories;
+using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.TestHost;
+using Microsoft.Data.Sqlite;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Bit.Events.IntegrationTest;
+
+public class EventsApplicationFactory : WebApplicationFactoryBase<Startup>
+{
+    private readonly IdentityApplicationFactory _identityApplicationFactory;
+    private const string _connectionString = "DataSource=:memory:";
+
+    public EventsApplicationFactory()
+    {
+        SqliteConnection = new SqliteConnection(_connectionString);
+        SqliteConnection.Open();
+
+        _identityApplicationFactory = new IdentityApplicationFactory();
+        _identityApplicationFactory.SqliteConnection = SqliteConnection;
+    }
+
+    protected override void ConfigureWebHost(IWebHostBuilder builder)
+    {
+        base.ConfigureWebHost(builder);
+
+        builder.ConfigureTestServices(services =>
+        {
+            services.Configure<JwtBearerOptions>(JwtBearerDefaults.AuthenticationScheme, options =>
+            {
+                options.BackchannelHttpHandler = _identityApplicationFactory.Server.CreateHandler();
+            });
+        });
+    }
+
+    /// <summary>
+    /// Helper for registering and logging in to a new account
+    /// </summary>
+    public async Task<(string Token, string RefreshToken)> LoginWithNewAccount(string email = "integration-test@bitwarden.com", string masterPasswordHash = "master_password_hash")
+    {
+        await _identityApplicationFactory.RegisterAsync(new RegisterRequestModel
+        {
+            Email = email,
+            MasterPasswordHash = masterPasswordHash,
+        });
+
+        return await _identityApplicationFactory.TokenFromPasswordAsync(email, masterPasswordHash);
+    }
+
+    protected override void Dispose(bool disposing)
+    {
+        base.Dispose(disposing);
+        SqliteConnection!.Dispose();
+    }
+}

test/Events.IntegrationTest/GlobalUsings.cs

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+global using Xunit;