Coverage for Users / vladimirpavlov / PycharmProjects / parameterizable / tests / test_update_jsparams.py: 100%

1import pytest 

2 

3from mixinforge.json_processor import dumpjs, loadjs, update_jsparams 

4 

5 

6class ParamObj: 

7 def __init__(self, x=0, y="", z=None, cfg=None): 

8 self.x = x 

9 self.y = y 

10 self.z = z 

11 self.cfg = cfg 

12 

13 def get_params(self): 

14 # Only parameters returned here are serialized into the JSON under PARAMS->DICT 

15 return {"x": self.x, "y": self.y, "z": self.z, "cfg": self.cfg} 

16 

17 

18def test_update_jsparams_replaces_existing_param(): 

19 o = ParamObj(x=1, y="a") 

20 js = dumpjs(o) 

21 

22 js_updated = update_jsparams(js, x=5) 

23 o2 = loadjs(js_updated) 

24 

25 assert isinstance(o2, ParamObj) 

26 assert o2.x == 5 # replaced 

27 assert o2.y == "a" # unchanged 

28 assert o2.z is None 

29 

30 

31def test_update_jsparams_adds_new_param(): 

32 # Start with object missing z (None); then add z via update 

33 o = ParamObj(x=2, y="b") 

34 js = dumpjs(o) 

35 

36 js_updated = update_jsparams(js, z=99) 

37 o2 = loadjs(js_updated) 

38 

39 assert o2.z == 99 

40 assert o2.x == 2 and o2.y == "b" 

41 

42 

43def test_update_jsparams_nested_values_roundtrip(): 

44 o = ParamObj(x=3, y="c") 

45 js = dumpjs(o) 

46 

47 # nested list is supported directly by the loader; nested dicts would require internal DICT markers 

48 nested_list = [1, 2, [3, 4], "ok"] 

49 js_updated = update_jsparams(js, cfg=nested_list) 

50 o2 = loadjs(js_updated) 

51 

52 assert o2.cfg == nested_list 

53 

54