public void PreviewCertificate_returns_not_found_when_service_returns_null()
{
// Given
A.CallTo(() => certificateService.GetPreviewCertificateForCentre(A <int> ._)).Returns(null);
// When
var result = controller.PreviewCertificate();
// Then
result.Should().BeNotFoundResult();
}
public void GetPreviewCertificateForCentre_returns_null_when_data_service_returns_null()
{
// Given
const int centreId = 2;
A.CallTo(() => centresDataService.GetCentreDetailsById(centreId)).Returns(null);
// When
var result = certificateService.GetPreviewCertificateForCentre(centreId);
// Then
result.Should().BeNull();
}