public async Task CreateResponse_CallsAppropriateServiceMethods()
{
// Arrange
var enrollments = fixture.CreateMany <Enrollment>(3);
var ouputDirectory = fixture.Create <string>();
var outputEnrollments = fixture.Create <string>();
var ouputFilePath = fixture.Create <string>();
_fileServiceMock.Setup(s => s.GetOuputFilePath(It.IsAny <string>(), It.IsAny <string>())).Returns(ouputFilePath);
_enrollmentServiceMock.Setup(s => s.SortEnrollmentsForCompany(It.IsAny <IEnumerable <Enrollment> >(), It.IsAny <string>()));
_jsonServiceMock.Setup(s => s.SerializeEnrollmentsToJson(It.IsAny <List <Enrollment> >())).Returns(outputEnrollments);
// Act
await _sut.CreateResponse(enrollments, ouputDirectory, new CancellationToken());
// Assert
_fileServiceMock.Verify(s => s.GetOuputFilePath(It.Is <string>(x => x == ouputDirectory), It.IsAny <string>()), Times.Exactly(3));
_enrollmentServiceMock.Verify(s => s.SortEnrollmentsForCompany(It.IsAny <IEnumerable <Enrollment> >(), It.IsAny <string>()), Times.Exactly(3));
_jsonServiceMock.Verify(s => s.SerializeEnrollmentsToJson(It.IsAny <List <Enrollment> >()), Times.Exactly(3));
_fileServiceMock.Verify(s => s.WriteOutputFile(It.Is <string>(x => x == outputEnrollments), It.Is <string>(x => x == ouputFilePath), It.IsAny <CancellationToken>()), Times.Exactly(3));
}