projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 9f95a23c TL |
1 | from pg_autoscaler import effective_target_ratio |
| 2 | from pytest import approx | |
| 3 | ||
| 4 | def check_simple_ratio(target_ratio, tot_ratio): | |
| 5 | etr = effective_target_ratio(target_ratio, tot_ratio, 0, 0) | |
| 6 | assert (target_ratio / tot_ratio) == approx(etr) | |
| 7 | return etr | |
| 8 | ||
| 9 | def test_simple(): | |
| 10 | etr1 = check_simple_ratio(0.2, 0.9) | |
| 11 | etr2 = check_simple_ratio(2, 9) | |
| 12 | etr3 = check_simple_ratio(20, 90) | |
| 13 | assert etr1 == approx(etr2) | |
| 14 | assert etr1 == approx(etr3) | |
| 15 | ||
| 16 | etr = check_simple_ratio(0.9, 0.9) | |
| 17 | assert etr == approx(1.0) | |
| 18 | etr1 = check_simple_ratio(1, 2) | |
| 19 | etr2 = check_simple_ratio(0.5, 1.0) | |
| 20 | assert etr1 == approx(etr2) | |
| 21 | ||
| 22 | def test_total_bytes(): | |
| 23 | etr = effective_target_ratio(1, 10, 5, 10) | |
| 24 | assert etr == approx(0.05) | |
| 25 | etr = effective_target_ratio(0.1, 1, 5, 10) | |
| 26 | assert etr == approx(0.05) | |
| 27 | etr = effective_target_ratio(1, 1, 5, 10) | |
| 28 | assert etr == approx(0.5) | |
| 29 | etr = effective_target_ratio(1, 1, 0, 10) | |
| 30 | assert etr == approx(1.0) | |
| 31 | etr = effective_target_ratio(0, 1, 5, 10) | |
| 32 | assert etr == approx(0.0) | |
| 33 | etr = effective_target_ratio(1, 1, 10, 10) | |
| 34 | assert etr == approx(0.0) |