Files
gh-alekspetrov-navigator/skills/frontend-component/functions/test_generator.py
2025-11-29 17:51:59 +08:00

101 lines
2.9 KiB
Python
Executable File

#!/usr/bin/env python3
"""
Generate test file with React Testing Library.
Creates comprehensive test suite for React components.
"""
import sys
import argparse
import os
def read_template(template_path: str) -> str:
"""Read template file content."""
try:
with open(template_path, 'r') as f:
return f.read()
except FileNotFoundError:
raise FileNotFoundError(f"Template file not found: {template_path}")
def generate_test(component_name: str, component_path: str, template_content: str) -> str:
"""
Generate test code by substituting placeholders in template.
Args:
component_name: Component name (PascalCase)
component_path: Path to component file
template_content: Template file content
Returns:
str: Generated test code
"""
# Calculate relative import path
import_path = f'./{component_name}'
# Basic test cases (can be expanded based on props analysis)
test_cases = f"""
it('renders without crashing', () => {{
render(<{component_name} />);
}});
it('renders children correctly', () => {{
render(<{component_name}>Test Content</{component_name}>);
expect(screen.getByText('Test Content')).toBeInTheDocument();
}});
it('applies custom className', () => {{
const {{ container }} = render(<{component_name} className="custom-class" />);
expect(container.firstChild).toHaveClass('custom-class');
}});
""".strip()
# Perform substitutions
substitutions = {
'${COMPONENT_NAME}': component_name,
'${IMPORT_PATH}': import_path,
'${TEST_CASES}': test_cases,
}
result = template_content
for placeholder, value in substitutions.items():
result = result.replace(placeholder, value)
return result
def main():
parser = argparse.ArgumentParser(description='Generate React component test file')
parser.add_argument('--component-name', required=True, help='Component name (PascalCase)')
parser.add_argument('--component-path', required=True, help='Path to component file')
parser.add_argument('--template', required=True, help='Test template file path')
parser.add_argument('--output', help='Output file path (optional, prints to stdout if not provided)')
args = parser.parse_args()
try:
# Read template
template_content = read_template(args.template)
# Generate test
test_code = generate_test(
args.component_name,
args.component_path,
template_content
)
# Output
if args.output:
os.makedirs(os.path.dirname(args.output), exist_ok=True)
with open(args.output, 'w') as f:
f.write(test_code)
print(f"✅ Test file generated: {args.output}")
else:
print(test_code)
sys.exit(0)
except Exception as e:
print(f"❌ Error: {e}", file=sys.stderr)
sys.exit(1)
if __name__ == '__main__':
main()