"""Tests for utility functions."""
import pytest
import sys
from pathlib import Path
# Add src directory to path for imports
sys.path.insert(0, str(Path(__file__).parent.parent))
from src.utils import detect_project_language, calculate_loc
def test_detect_c_language(sample_c_project):
"""Test detection of C language"""
languages = detect_project_language(sample_c_project)
assert "c" in languages
def test_detect_python_language(sample_python_project):
"""Test detection of Python language"""
languages = detect_project_language(sample_python_project)
assert "python" in languages
def test_detect_unknown_language(temp_dir):
"""Test detection when no known languages are present"""
# Create a file with unknown extension
unknown_file = temp_dir / "test.xyz"
unknown_file.write_text("some content")
languages = detect_project_language(temp_dir)
assert languages == ["unknown"]
def test_calculate_loc_c_project(sample_c_project):
"""Test LOC calculation for C project"""
languages = ["c"]
loc = calculate_loc(sample_c_project, languages)
assert loc > 0 # Should count non-empty lines
assert loc < 20 # Simple project should have reasonable LOC
def test_calculate_loc_python_project(sample_python_project):
"""Test LOC calculation for Python project"""
languages = ["python"]
loc = calculate_loc(sample_python_project, languages)
assert loc > 0
assert loc < 15
def test_calculate_loc_empty_project(temp_dir):
"""Test LOC calculation for empty project"""
languages = ["c"]
loc = calculate_loc(temp_dir, languages)
assert loc == 0
def test_calculate_loc_unsupported_language(sample_c_project):
"""Test LOC calculation with unsupported language"""
languages = ["unsupported"]
loc = calculate_loc(sample_c_project, languages)
assert loc == 0 # Should not count files for unsupported languages
