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pagination_test.go 1.5 KB

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  1. package qs
  2. import (
  3. "errors"
  4. "testing"
  5. )
  6. func TestReadPagination(t *testing.T) {
  7. type TestCase struct {
  8. Input string
  9. Opt *ReadPaginationOptions
  10. Output *Pagination
  11. Err error
  12. }
  13. testCases := []TestCase{
  14. {Input: "", Output: &Pagination{}},
  15. {Input: "limit=10", Output: &Pagination{Limit: 10}},
  16. {Input: "offset=5", Output: &Pagination{Offset: 5}},
  17. {Input: "limit=10&page=3", Output: &Pagination{Limit: 10, Offset: 20, Page: 3}},
  18. {Input: "limit=10&offset=5&page=3", Output: &Pagination{Limit: 10, Offset: 5}},
  19. {Input: "", Opt: &ReadPaginationOptions{MinLimit: 5, MaxLimit: 10}, Output: &Pagination{Limit: 5}},
  20. {Input: "limit=3", Opt: &ReadPaginationOptions{MinLimit: 5, MaxLimit: 10}, Output: &Pagination{Limit: 5}},
  21. {Input: "limit=20", Opt: &ReadPaginationOptions{MinLimit: 5, MaxLimit: 10}, Output: &Pagination{Limit: 10}},
  22. {Input: "limit=abc", Err: ErrInvalidLimit},
  23. {Input: "offset=def", Err: ErrInvalidOffset},
  24. {Input: "page=ghi", Err: ErrInvalidPage},
  25. {Input: "limit=abc&offset=5", Err: ErrInvalidLimit},
  26. {Input: "limit=5&offset=def", Err: ErrInvalidOffset},
  27. {Input: "limit=5&page=ghi", Err: ErrInvalidPage},
  28. }
  29. for n, tc := range testCases {
  30. t.Logf("(%d) Testing %q with options %+v", n, tc.Input, tc.Opt)
  31. pag, err := ReadStringPagination(tc.Input, tc.Opt)
  32. if !errors.Is(err, tc.Err) {
  33. t.Errorf("Expected error %v, got %v", tc.Err, err)
  34. continue
  35. }
  36. if tc.Err != nil {
  37. continue
  38. }
  39. if *pag != *tc.Output {
  40. t.Errorf("Expected %+v, got %+v", tc.Output, pag)
  41. }
  42. }
  43. }