umbrella-dotnet-generate-api-data-service-controller-tests

name	umbrella-dotnet-generate-api-data-service-controller-tests
description	Generate integration tests for a concrete API controller derived from UmbrellaGenericRepositoryDataServiceApiController (Pattern 2, backing controller service), covering every testable response status code per endpoint including ExistsById and TotalCount. Resolves enablement and authorization flags on the backing data service. Use after integration test infrastructure exists.

Generate Data Service Controller Integration Tests

Purpose

Generate a complete integration test class for a concrete controller derived from UmbrellaGenericRepositoryDataServiceApiController, with one or more tests per testable status code per endpoint. The critical Pattern 2 difference: endpoint-enablement flags, authorization-check flags, and all lifecycle hooks live on the backing data service (the TRepositoryDataService generic argument, typically derived from UmbrellaRepositoryDataService), not on the controller. Always locate and read the data service implementation.

The authoritative contract is docs\api-base-controller-endpoint-map.md in the Umbrella repository — read it when available.

Required inputs

As for umbrella-dotnet-generate-api-repo-controller-tests:

1. umbrella-dotnet-audit-api-controller-response-contract output for the target controller and its data service.
2. Working integration test infrastructure via umbrella-dotnet-audit-aspnetcore-integration-test-readiness / umbrella-dotnet-scaffold-aspnetcore-integration-tests, satisfying the response contract host requirements (claims propagation, configured validationFailureStatusCode, non-Development environment for 500 shapes, policies/handlers).
3. Anonymous, passing, and denying test identities.

Endpoint contract

Endpoint	Statuses
GET SearchSlim	200, 401, 403, 405, 422, 500
GET	200, 401, 403, 404, 405, 422, 500
POST	201, 400, 401, 403, 405, 409, 422, 500
PUT	200, 400, 401, 403, 404, 405, 409, 422, 500
DELETE	204, 401, 403, 404, 405, 409, 422, 500
GET ExistsById	200, 401, 403, 405, 422, 500
GET TotalCount	200, 401, 403, 405, 500

Strike codes the audit marked untestable and never generate tests for them.

Pattern 2 differences from Pattern 1

Apply the recipes from umbrella-dotnet-generate-api-repo-controller-tests with these deltas:

• Flag resolution: SlimReadEndpointEnabled, ReadEndpointEnabled, CreateEndpointEnabled, UpdateEndpointEnabled, DeleteEndpointEnabled, ExistsByIdEndpointEnabled, TotalCountEndpointEnabled and the five AuthorizationXxxChecksEnabled flags are read from the data service class. A disabled endpoint returns 405 via a NotAllowed operation result.
• ExistsById: assert 200 with body true for a seeded id and 200 with body false for a non-existent id. Never generate a 404 test — the service maps not-found to false. There is no imperative auth check on the default path, so 403 is declarative-policy-only.
• TotalCount: seed N entities, assert the body equals N. No 422 exists — the endpoint binds no input. 403 is declarative-policy-only.
• Sorters/filters: SearchSlim binds SortExpressionDescriptor/FilterExpressionDescriptor collections. Descriptors that cannot be converted to typed expressions are silently skipped — do not generate 4xx tests for invalid filter property names; assert they are ignored instead.
• Hooks: Before*/After* conflict and validation hooks live on the data service; the audit's extension-point findings come from there. POST/DELETE 409 remains extension-point-only.
• Concurrency: the PUT 409 stamp-rotation recipe is unchanged (create → GET stamp A → PUT rotates to B → PUT with A → 409 with code = ConcurrencyStampMismatch), because the data service routes through the same UmbrellaRepositoryCoreDataService.

Test class template

[Collection(IndyRecordsSqlServerIntegrationTestCollection.Name)]
public sealed class ArtistsControllerTests
{
	private const string ApiUrl = "/api/artists";

	private readonly IndyRecordsSqlServerWebApplicationFactory _factory;

	public ArtistsControllerTests(IndyRecordsSqlServerWebApplicationFactory factory)
	{
		_factory = factory;
	}

	[Fact]
	public async Task ExistsByIdAsync_ExistingId_Returns200True()
	{
		Artist artist = await SeedArtistAsync();

		using HttpClient client = _factory.CreateClient();
		using HttpResponseMessage response = await client.GetAsync($"{ApiUrl}/ExistsById?id={artist.Id}", TestContext.Current.CancellationToken);

		Assert.Equal(HttpStatusCode.OK, response.StatusCode);
		Assert.True(await response.Content.ReadFromJsonAsync<bool>(TestContext.Current.CancellationToken));
	}
}

Seed through a scoped DbContext from the factory, use the Umbrella.Testing.AspNetCore.Http problem-details assertion extensions described by the repository-controller generator (including the plain ASP.NET validation helper when Umbrella behavior options are absent), and follow the shared naming convention <Method>Async_<Scenario>_Returns<Status>. Capture returned problem details when asserting their fields; otherwise assign the awaited result to _ for analyzer-clean code.

Rules

• Generate tests only for codes the contract audit marked testable; document exclusions in a comment block at the top of the test class.
• Assert the validation failure status and body per the host state resolved by the contract audit (Umbrella behavior options default → 422 + UmbrellaValidationProblemDetails; explicit validationFailureStatusCode → that code; not configured → 400 + plain ASP.NET ValidationProblemDetails, no separate malformed-JSON-root test). Never hard-code 422 without checking.
• Satisfy earlier pipeline gates when targeting later ones (existing id + current stamp + valid model for a PUT 403).
• Keep tests independent with uniquely seeded data.
• Put every created or mutated resource behind try/finally, and use CancellationToken.None for cleanup/restoration so test cancellation cannot contaminate later tests.
• Reuse application-local test-data builders for repeated domain graphs while keeping response assertions, identity requests, and feature-specific request construction separate.
• Do not weaken production authorization; use the denying identity.

Validation

dotnet build "<TestProject>"
dotnet test "<TestProject>" --no-restore --no-build --verbosity minimal

Output

Report: endpoints covered, status codes tested per endpoint, codes excluded with reasons, the data service class audited, shared assertion APIs used or compatibility fallbacks added, and test run results.