Coverage for tests/test_stringfuture.py: 100%

1import time 

2 

3import appl 

4from appl import CallFuture 

5from appl import StringFuture as S 

6 

7 

8def _check_str(s: S, target: str): 

9 assert type(s) is S 

10 assert str(s) == target 

11 

12 

13def test_concat(): 

14 _check_str(S("ab") + S("cd"), "abcd") 

15 _check_str(S("AP") + "PL", "APPL") 

16 _check_str("AP" + S("PL"), "APPL") 

17 s = "" 

18 s += S("AP") 

19 _check_str(s, "AP") 

20 s += "PL" 

21 _check_str(s, "APPL") 

22 s += S("E") 

23 _check_str(s, "APPLE") 

24 

25 

26def test_cmp(): 

27 assert S("APPL") == "APPL" 

28 assert "APPL" == S("APPL") 

29 assert S("APPL") == S("APPL") 

30 

31 assert S("APPL") != "APPLE" 

32 assert "APPL" != S("APPLE") 

33 assert S("APPL") != S("APPLE") 

34 

35 assert "APPL" >= S("AAA") 

36 assert S("APPL") >= S("AAA") 

37 assert S("APPL") >= "AAA" 

38 assert S("APPL") > "AAA" 

39 assert S("APPL") <= "ZZZ" 

40 assert S("APPL") < "ZZZ" 

41 

42 

43def test_contains(): 

44 assert "AP" in S("APPL") 

45 assert "AP" not in S("AAA") 

46 

47 

48def test_getitem(): 

49 assert S("APPL")[1] == "P" 

50 assert S("APPL")[1:] == "PPL" 

51 assert S("A.P.P.L").split(".") == ["A", "P", "P", "L"] 

52 

53 

54def test_format(): 

55 assert f"{S('A'):3}" == "A " 

56 assert appl.format(1.234, ".2f") == "1.23" 

57 assert isinstance(appl.format(1.234, ".2f"), S) 

58 

59 

60def test_as_key(): 

61 d = {} 

62 d[S("APPL")] = 1 

63 assert d[S("APPL")] == 1 

64 assert d["APPL"] == 1 

65 

66 

67def test_future(): 

68 def run(t): 

69 time.sleep(t) 

70 return "a" 

71 

72 t0 = time.time() 

73 n = 3 

74 s = "" 

75 for i in range(n): 

76 s += S(CallFuture(run, t=0.2)) 

77 assert time.time() - t0 < 0.15 

78 assert str(s) == "a" * n 

79 assert time.time() - t0 < 0.4