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test_ast_parser.py
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test_ast_parser.py
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import os
import sys
import ast
import unittest
from .. import ast_parser
from .. import scopes_tree
TEST_FIXTURES_DIR = os.path.join(os.path.dirname(__file__), 'fixtures')
class TestAnalyzer(unittest.TestCase):
@unittest.skipUnless(sys.version.startswith('3.5'), 'test only for python 3.5')
def test_python_3_5(self):
with open(os.path.join(TEST_FIXTURES_DIR, 'python_3_5', 'full_parser_test.py')) as f:
code = f.read()
tree = ast.parse(code)
analyzer = ast_parser.Analyzer()
analyzer.visit(tree)
variables = scopes_tree.search_candidates_to_import(analyzer.scope)
fully_undefined_variables, partialy_undefined_variables, variables_scopes = variables
self.assertEqual(fully_undefined_variables,
{'перменная_2',
'annotation_1',
'annotation_2',
'var_3',
'var_7',
'var_8',
'var_11',
'var_12',
'var_15',
'var_22',
'var_24',
'var_27',
'var_38',
'var_39',
'var_42',
'var_44',
'var_47',
'var_48',
'var_50',
'var_51',
'var_53',
'var_55',
'var_57',
'super',
'abs',
'range',
'zip',
'print'})
self.assertEqual(partialy_undefined_variables,
{'var_9',
'var_13',
'var_46'})
self.assertEqual(variables_scopes['zip'][0].variables['zip'].line, 32)
self.assertEqual(variables_scopes['var_33'][0].variables['var_33'].line, 50)
self.assertEqual({scope.variables['var_46'].line for scope in variables_scopes['var_46']},
{66, 68}) # skip line 66 since it is the same scope with line 67 and loop assigment has priority
self.assertEqual({scope.variables['var_56'].line for scope in variables_scopes['var_56']},
{79, 82})
@unittest.skipUnless(sys.version.startswith('3.6'), 'test only for python 3.6')
def test_python_3_6(self):
with open(os.path.join(TEST_FIXTURES_DIR, 'python_3_6', 'full_parser_test.py')) as f:
code = f.read()
tree = ast.parse(code)
analyzer = ast_parser.Analyzer()
analyzer.visit(tree)
variables = scopes_tree.search_candidates_to_import(analyzer.scope)
fully_undefined_variables, partialy_undefined_variables, variables_scopes = variables
self.assertEqual(fully_undefined_variables,
{'перменная_2',
'annotation_1',
'annotation_2',
'var_3',
'var_7',
'var_8',
'var_11',
'var_12',
'var_15',
'var_22',
'var_24',
'var_27',
'var_38',
'var_39',
'var_42',
'var_44',
'var_47',
'var_48',
'var_50',
'var_51',
'var_53',
'var_55',
'var_57',
'var_59',
'var_61',
'var_63',
'var_65',
'var_67',
'var_70',
'var_72',
'var_75',
'var_76',
'var_79',
'var_80',
'var_81',
'super',
'abs',
'range',
'zip',
'print'})
self.assertEqual(partialy_undefined_variables,
{'var_9',
'var_13',
'var_46'})
self.assertEqual(variables_scopes['zip'][0].variables['zip'].line, 32)
self.assertEqual(variables_scopes['var_33'][0].variables['var_33'].line, 50)
self.assertEqual({scope.variables['var_46'].line for scope in variables_scopes['var_46']},
{66, 68}) # skip line 66 since it is the same scope with line 67 and loop assigment has priority
self.assertEqual({scope.variables['var_56'].line for scope in variables_scopes['var_56']},
{79, 82})
@unittest.skipUnless(sys.version.startswith('3.7'), 'test only for python 3.7')
def test_python_3_7(self):
with open(os.path.join(TEST_FIXTURES_DIR, 'python_3_7', 'full_parser_test.py')) as f:
code = f.read()
tree = ast.parse(code)
analyzer = ast_parser.Analyzer()
analyzer.visit(tree)
variables = scopes_tree.search_candidates_to_import(analyzer.scope)
fully_undefined_variables, partialy_undefined_variables, variables_scopes = variables
self.assertEqual(fully_undefined_variables,
{'перменная_2',
'annotation_1',
'annotation_2',
'var_3',
'var_7',
'var_8',
'var_11',
'var_12',
'var_15',
'var_22',
'var_24',
'var_27',
'var_38',
'var_39',
'var_42',
'var_44',
'var_47',
'var_48',
'var_50',
'var_51',
'var_53',
'var_55',
'var_57',
'var_59',
'var_61',
'var_63',
'var_65',
'var_67',
'var_70',
'var_72',
'var_75',
'var_76',
'var_79',
'var_80',
'var_81',
'super',
'abs',
'range',
'zip',
'print'})
self.assertEqual(partialy_undefined_variables,
{'var_9',
'var_13',
'var_46'})
self.assertEqual(variables_scopes['zip'][0].variables['zip'].line, 32)
self.assertEqual(variables_scopes['var_33'][0].variables['var_33'].line, 50)
self.assertEqual({scope.variables['var_46'].line for scope in variables_scopes['var_46']},
{66, 68}) # skip line 66 since it is the same scope with line 67 and loop assigment has priority
self.assertEqual({scope.variables['var_56'].line for scope in variables_scopes['var_56']},
{79, 82})