Coverage for tests / test_halstead / test_go.py: 100%

1"""Halstead integration tests for Go.""" 

2 

3from analyzers.go import analyze_source 

4 

5 

6def test_halstead_basic(): 

7 """Basic Go function produces Halstead metrics.""" 

8 code = """ 

9package main 

10 

11func add(a, b int) int { 

12 return a + b 

13} 

14""" 

15 result = analyze_source(code) 

16 h = result.functions[0].halstead 

17 assert h is not None 

18 assert h.N1 > 0 

19 assert h.N2 > 0 

20 assert h.volume > 0 

21 

22 

23def test_halstead_short_var_declaration(): 

24 """:= is counted as an operator.""" 

25 code = """ 

26package main 

27 

28func f() { 

29 x := 1 

30 y := x + 2 

31} 

32""" 

33 result = analyze_source(code) 

34 h = result.functions[0].halstead 

35 assert h.N1 > 0 

36 assert h.volume > 0 

37 

38 

39def test_halstead_channel_operator(): 

40 """<- is counted as an operator.""" 

41 code = """ 

42package main 

43 

44func f(ch chan int) { 

45 ch <- 42 

46 x := <-ch 

47} 

48""" 

49 result = analyze_source(code) 

50 h = result.functions[0].halstead 

51 assert h.N1 > 0 

52 assert h.volume > 0 

53 

54 

55def test_halstead_empty_source(): 

56 """Empty Go source has no functions.""" 

57 result = analyze_source("") 

58 assert len(result.functions) == 0