public async Task GetAllUsers_Valid()
{
// Arrange
IEnumerable <UserListItemModel> expected = GetSampleData_UserListItems();
_mockAppUsersService.RetrieveAllAsync().Returns(expected);
// Act
ActionResult <IEnumerable <UserListItemModel> > response = await _sut.GetAllUsers();
// Assert
await _mockAppUsersService.Received(1).RetrieveAllAsync();
var createdAtActionResult = Assert.IsType <OkObjectResult>(response.Result);
IEnumerable <UserListItemModel> actual = (IEnumerable <UserListItemModel>)createdAtActionResult.Value;
Assert.True(actual is not null);
for (int i = 0; i < expected.Count(); i++)
{
Assert.Equal(expected.ElementAt(i).UserId, actual.ElementAt(i).UserId);
Assert.Equal(expected.ElementAt(i).UserNameAndEmail, actual.ElementAt(i).UserNameAndEmail);
}
}