public async Task GetAllAsync_ShouldReturnPagedListOfAllExercisesDto_WhenParametersAreNull(int count)
{
// Arrange
var exercises = _fixture.Build <Exercise>()
.CreateMany(count: count);
var paginationQuery = new PaginationQuery();
var page = new PagedList <Exercise>(exercises.ToList(), exercises.ToList().Count(), 1, 10);
_exerciseRepository.GetAllAsync(Arg.Any <string>(), Arg.Any <string>(), paginationQuery).Returns(page);
// Act
var dto = await _sut.GetAllAsync(null, null, paginationQuery);
// Assert
dto.ShouldNotBeNull();
dto.ShouldBeOfType(typeof(PageResultDto <ExerciseDto>));
dto.Items.Count.ShouldBe(exercises.ToList().Count);
}