Coverage for tests / integration / tools / tsc / conftest.py: 88%

1"""Pytest configuration for tsc integration tests.""" 

2 

3from __future__ import annotations 

4 

5import shutil 

6import subprocess 

7from pathlib import Path 

8 

9import pytest 

10 

11 

12def tsc_is_available() -> bool: 

13 """Check if tsc is installed and actually works. 

14 

15 This checks both that the command exists AND that it executes successfully, 

16 which handles cases where a wrapper script exists but the underlying 

17 tool isn't installed (e.g., Docker image not yet rebuilt). 

18 

19 Returns: 

20 True if tsc is installed and working, False otherwise. 

21 """ 

22 if shutil.which("tsc") is None: 

23 return False 

24 try: 

25 result = subprocess.run( 

26 ["tsc", "--version"], 

27 capture_output=True, 

28 timeout=10, 

29 check=False, 

30 ) 

31 return result.returncode == 0 

32 except (subprocess.TimeoutExpired, OSError): 

33 return False 

34 

35 

36def _find_project_root() -> Path: 

37 """Find project root by looking for pyproject.toml. 

38 

39 Returns: 

40 Path to the project root directory. 

41 

42 Raises: 

43 RuntimeError: If pyproject.toml is not found in any parent directory. 

44 """ 

45 path = Path(__file__).resolve() 

46 for parent in path.parents: 

47 if (parent / "pyproject.toml").exists(): 

48 return parent 

49 raise RuntimeError("pyproject.toml not found in parent directories") 

50 

51 

52# Paths to test samples 

53SAMPLE_DIR = _find_project_root() / "test_samples" 

54TSC_SAMPLES = SAMPLE_DIR / "tools" / "typescript" / "tsc" 

55CLEAN_SAMPLE = TSC_SAMPLES / "tsc_clean.ts" 

56VIOLATION_SAMPLE = TSC_SAMPLES / "tsc_violations.ts" 

57 

58 

59@pytest.fixture 

60def tsc_violation_file(tmp_path: Path) -> str: 

61 """Copy the tsc violation sample to a temp directory. 

62 

63 Args: 

64 tmp_path: Pytest fixture providing a temporary directory. 

65 

66 Returns: 

67 Path to the copied file as a string. 

68 """ 

69 dst = tmp_path / "tsc_violations.ts" 

70 shutil.copy(VIOLATION_SAMPLE, dst) 

71 return str(dst) 

72 

73 

74@pytest.fixture 

75def tsc_clean_file(tmp_path: Path) -> str: 

76 """Copy the tsc clean sample to a temp directory. 

77 

78 Args: 

79 tmp_path: Pytest fixture providing a temporary directory. 

80 

81 Returns: 

82 Path to the copied file as a string. 

83 """ 

84 dst = tmp_path / "tsc_clean.ts" 

85 shutil.copy(CLEAN_SAMPLE, dst) 

86 return str(dst)