public async Task ThenAnInvitationIsAdded(
[Frozen] Mock <IMediator> mediator,
[Frozen] Mock <IAuthenticationService> authService,
RegistrationController controller,
NewEmployerUserViewModel model,
string command,
string providerName)
{
//arrange
authService.Object.TryGetUserClaimValue(ProviderClaims.DisplayName, out var displayName);
mediator.Setup(s => s.Send(It.IsAny <GetProviderByUkprnQuery>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(new GetProviderByUkprnQueryResult(providerName));
//act
await controller.InviteEmployeruser(model, command);
//assert
mediator.Verify(x => x.Send(It.Is <AddInvitationCommand>(s =>
s.EmployerEmail == model.EmployerEmailAddress &&
s.EmployerFirstName == model.EmployerFirstName &&
s.EmployerLastName == model.EmployerLastName &&
s.EmployerOrganisation == model.EmployerOrganisation &&
s.Ukprn == authService.Object.Ukprn.Value &&
s.UserRef == authService.Object.UserId &&
s.ProviderOrganisationName == providerName &&
s.ProviderUserFullName == displayName), It.IsAny <CancellationToken>()), Times.Once);
}