def test_analyze_error(self, check_output_mock):
"""Test whether an exception is thrown in case of errors"""
check_output_mock.side_effect = subprocess.CalledProcessError(-1, "command", output=b'output')
reverse = Reverse()
kwargs = {
'module_path': os.path.join(self.repo_path, "perceval"),
}
with self.assertRaises(GraalError):
_ = reverse.analyze(**kwargs)
def test_analyze(self):
"""Test whether Reverse returns the expected fields data"""
reverse = Reverse()
kwargs = {
'module_path': os.path.join(self.repo_path, "perceval"),
}
result = reverse.analyze(**kwargs)
self.assertIn('classes', result)
self.assertTrue(type(result['classes']), dict)
self.assertIn('nodes', result['classes'])
self.assertTrue(type(result['classes']['nodes']), list)
self.assertIn('links', result['classes'])
self.assertTrue(type(result['classes']['links']), list)
self.assertIn('packages', result)
self.assertTrue(type(result['packages']), dict)
self.assertTrue(type(result['packages']['nodes']), list)
self.assertIn('links', result['packages'])
self.assertTrue(type(result['packages']['links']), list)
class DependencyAnalyzer:
"""Class to obtain a graph representation of package and class dependencies information
from a Python module. Such a representation can be then used to plot an UML diagram using common
visualization libraries.
"""
def __init__(self):
self.reverse = Reverse()
def analyze(self, module_path):
"""Analyze the content of a Python project using Pyreverse
:param module_path: folder path
:returns a dict containing the results of the analysis, like the one below
{
'image_path': ..
}
"""
kwargs = {'module_path': module_path}
analysis = self.reverse.analyze(**kwargs)
return analysis
