Coverage for tests / unit / tools / ruff / check / test_output_format.py: 100%

1"""Tests for output format in execute_ruff_check.""" 

2 

3from __future__ import annotations 

4 

5from unittest.mock import MagicMock, patch 

6 

7from assertpy import assert_that 

8 

9from lintro.parsers.ruff.ruff_issue import RuffIssue 

10from lintro.tools.implementations.ruff.check import execute_ruff_check 

11 

12 

13def test_execute_ruff_check_output_is_none_on_success( 

14 mock_ruff_tool: MagicMock, 

15) -> None: 

16 """Output summary should be None (suppressed) for successful run. 

17 

18 Args: 

19 mock_ruff_tool: Mock RuffTool instance for testing. 

20 """ 

21 with ( 

22 patch( 

23 "lintro.tools.implementations.ruff.check.walk_files_with_excludes", 

24 return_value=["test.py"], 

25 ), 

26 patch( 

27 "lintro.tools.implementations.ruff.check.run_subprocess_with_timeout", 

28 return_value=(True, "[]"), 

29 ), 

30 patch( 

31 "lintro.tools.implementations.ruff.check.parse_ruff_output", 

32 return_value=[], 

33 ), 

34 ): 

35 result = execute_ruff_check(mock_ruff_tool, ["/test/project"]) 

36 

37 # Output is suppressed per the source code comment 

38 assert_that(result.output).is_none() 

39 

40 

41def test_execute_ruff_check_output_is_none_with_issues( 

42 mock_ruff_tool: MagicMock, 

43) -> None: 

44 """Output summary should be None even with issues (formatters handle display). 

45 

46 Args: 

47 mock_ruff_tool: Mock RuffTool instance for testing. 

48 """ 

49 lint_issues = [ 

50 RuffIssue(file="test.py", line=1, column=1, code="F401", message="unused"), 

51 ] 

52 

53 with ( 

54 patch( 

55 "lintro.tools.implementations.ruff.check.walk_files_with_excludes", 

56 return_value=["test.py"], 

57 ), 

58 patch( 

59 "lintro.tools.implementations.ruff.check.run_subprocess_with_timeout", 

60 return_value=(False, "[]"), 

61 ), 

62 patch( 

63 "lintro.tools.implementations.ruff.check.parse_ruff_output", 

64 return_value=lint_issues, 

65 ), 

66 ): 

67 result = execute_ruff_check(mock_ruff_tool, ["/test/project"]) 

68 

69 # Verify failure when subprocess fails and issues are found 

70 assert_that(result.success).is_false() 

71 # Output is suppressed - formatters handle the display 

72 assert_that(result.output).is_none()