public async Task <FullStubModel> AddStubAsync(StubModel stub)
{
if (string.IsNullOrWhiteSpace(stub.Id))
{
// If no ID is sent, create one here.
var id = HashingUtilities.GetMd5String(JsonConvert.SerializeObject(stub));
stub.Id = $"stub-{id}";
}
// Check that a stub with the new ID isn't already added to a readonly stub source.
var stubs = await GetStubsAsync(true);
if (stubs.Any(s => string.Equals(stub.Id, s.Stub.Id, StringComparison.OrdinalIgnoreCase)))
{
throw new ConflictException($"Stub with ID '{stub.Id}'.");
}
var source = GetWritableStubSource();
await source.AddStubAsync(stub);
return(new FullStubModel {
Stub = stub, Metadata = new StubMetadataModel {
ReadOnly = false
}
});
}
/// <summary>
/// Sets an autogenerated ID on a stub if no ID has been set yet.
/// </summary>
/// <param name="stub">The stub.</param>
/// <returns>The stub ID.</returns>
public static string EnsureStubId(this StubModel stub)
{
if (!string.IsNullOrWhiteSpace(stub.Id))
{
return(stub.Id);
}
var id = $"generated-{HashingUtilities.GetMd5String(JsonConvert.SerializeObject(stub))}";
stub.Id = id;
return(id);
}
public void GetMd5String_HappyFlow()
{
// Arrange
var input = "test 123";
var expectedOutput = "39d0d586a701e199389d954f2d592720";
// Act
var result = HashingUtilities.GetMd5String(input);
// Assert
Assert.AreEqual(expectedOutput, result);
}
private static void EnsureStubsHaveId(IEnumerable <StubModel> stubs)
{
foreach (var stub in stubs)
{
if (!string.IsNullOrWhiteSpace(stub.Id))
{
continue;
}
// If no ID is set, calculate a unique ID based on the stub contents.
var contents = JsonConvert.SerializeObject(stub);
stub.Id = HashingUtilities.GetMd5String(contents);
}
}
public async Task <FullStubModel> GenerateStubBasedOnRequestAsync(string requestCorrelationId)
{
_logger.LogInformation($"Creating stub based on request with corr.ID '{requestCorrelationId}'.");
// TODO lateron, when the querying is fixed, only query for one request result.
var requestResults = await _stubContext.GetRequestResultsAsync();
var requestResult = requestResults.FirstOrDefault(r => r.CorrelationId == requestCorrelationId);
if (requestResult == null)
{
throw new NotFoundException(nameof(RequestResultModel), requestCorrelationId);
}
var stub = new StubModel();
foreach (var handler in _handlers.OrderByDescending(w => w.Priority))
{
var executed = await handler.HandleStubGenerationAsync(requestResult, stub);
_logger.LogInformation($"Handler '{handler.GetType().Name}'" + (executed ? " executed" : "") + ".");
}
// Set a default response
stub.Response.Text = "OK!";
// Generate an ID based on the created stub.
var contents = JsonConvert.SerializeObject(stub);
stub.Id = "generated-" + HashingUtilities.GetMd5String(contents);
await _stubContext.DeleteStubAsync(stub.Id);
var result = await _stubContext.AddStubAsync(stub);
_logger.LogInformation($"Stub with ID '{stub.Id}' generated!");
return(result);
}