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Unified Diff: tools/telemetry/third_party/rope/ropetest/pycoretest.py

Issue 1132103009: Example of refactoring using rope library. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 7 months ago
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Index: tools/telemetry/third_party/rope/ropetest/pycoretest.py
diff --git a/tools/telemetry/third_party/rope/ropetest/pycoretest.py b/tools/telemetry/third_party/rope/ropetest/pycoretest.py
new file mode 100644
index 0000000000000000000000000000000000000000..1403897e3900d617520ee1c9baae2583213de231
--- /dev/null
+++ b/tools/telemetry/third_party/rope/ropetest/pycoretest.py
@@ -0,0 +1,1107 @@
+import sys
+try:
+ import unittest2 as unittest
+except ImportError:
+ import unittest
+
+from rope.base import exceptions
+from rope.base import libutils
+from rope.base.pycore import _TextChangeDetector
+from rope.base.pyobjects import get_base_type, AbstractFunction
+from ropetest import testutils
+
+
+class PyCoreTest(unittest.TestCase):
+
+ def setUp(self):
+ super(PyCoreTest, self).setUp()
+ self.project = testutils.sample_project()
+ self.pycore = self.project.pycore
+
+ def tearDown(self):
+ testutils.remove_project(self.project)
+ super(PyCoreTest, self).tearDown()
+
+ def test_simple_module(self):
+ testutils.create_module(self.project, 'mod')
+ result = self.project.get_module('mod')
+ self.assertEquals(get_base_type('Module'), result.type)
+ self.assertEquals(0, len(result.get_attributes()))
+
+ def test_nested_modules(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ mod = testutils.create_module(self.project, 'mod', pkg) # noqa
+ package = self.project.get_module('pkg')
+ self.assertEquals(get_base_type('Module'), package.get_type())
+ self.assertEquals(1, len(package.get_attributes()))
+ module = package['mod'].get_object()
+ self.assertEquals(get_base_type('Module'), module.get_type())
+
+ def test_package(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ mod = testutils.create_module(self.project, 'mod', pkg) # noqa
+ result = self.project.get_module('pkg')
+ self.assertEquals(get_base_type('Module'), result.type)
+
+ def test_simple_class(self):
+ mod = testutils.create_module(self.project, 'mod')
+ mod.write('class SampleClass(object):\n pass\n')
+ mod_element = self.project.get_module('mod')
+ result = mod_element['SampleClass'].get_object()
+ self.assertEquals(get_base_type('Type'), result.get_type())
+
+ def test_simple_function(self):
+ mod = testutils.create_module(self.project, 'mod')
+ mod.write('def sample_function():\n pass\n')
+ mod_element = self.project.get_module('mod')
+ result = mod_element['sample_function'].get_object()
+ self.assertEquals(get_base_type('Function'), result.get_type())
+
+ def test_class_methods(self):
+ mod = testutils.create_module(self.project, 'mod')
+ code = 'class SampleClass(object):\n' \
+ ' def sample_method(self):\n' \
+ ' pass\n'
+ mod.write(code)
+ mod_element = self.project.get_module('mod')
+ sample_class = mod_element['SampleClass'].get_object()
+ self.assertTrue('sample_method' in sample_class)
+ method = sample_class['sample_method'].get_object()
+ self.assertEquals(get_base_type('Function'), method.get_type())
+
+ def test_global_variables(self):
+ mod = testutils.create_module(self.project, 'mod')
+ mod.write('var = 10')
+ mod_element = self.project.get_module('mod')
+ result = mod_element['var'] # noqa
+
+ def test_class_variables(self):
+ mod = testutils.create_module(self.project, 'mod')
+ mod.write('class SampleClass(object):\n var = 10\n')
+ mod_element = self.project.get_module('mod')
+ sample_class = mod_element['SampleClass'].get_object()
+ var = sample_class['var'] # noqa
+
+ def test_class_attributes_set_in_init(self):
+ mod = testutils.create_module(self.project, 'mod')
+ mod.write('class C(object):\n'
+ ' def __init__(self):\n self.var = 20\n')
+ mod_element = self.project.get_module('mod')
+ sample_class = mod_element['C'].get_object()
+ var = sample_class['var'] # noqa
+
+ def test_class_attributes_set_in_init_overwriting_a_defined(self):
+ mod = testutils.create_module(self.project, 'mod')
+ code = 'class C(object):\n' \
+ ' def __init__(self):\n' \
+ ' self.f = 20\n' \
+ ' def f():\n' \
+ ' pass\n'
+ mod.write(code)
+ mod_element = self.project.get_module('mod')
+ sample_class = mod_element['C'].get_object()
+ f = sample_class['f'].get_object()
+ self.assertTrue(isinstance(f, AbstractFunction))
+
+ def test_classes_inside_other_classes(self):
+ mod = testutils.create_module(self.project, 'mod')
+ code = 'class SampleClass(object):\n' \
+ ' class InnerClass(object):\n' \
+ ' pass\n\n'
+ mod.write(code)
+ mod_element = self.project.get_module('mod')
+ sample_class = mod_element['SampleClass'].get_object()
+ var = sample_class['InnerClass'].get_object()
+ self.assertEquals(get_base_type('Type'), var.get_type())
+
+ def test_non_existent_module(self):
+ with self.assertRaises(exceptions.ModuleNotFoundError):
+ self.project.get_module('doesnotexistmodule')
+
+ def test_imported_names(self):
+ testutils.create_module(self.project, 'mod1')
+ mod = testutils.create_module(self.project, 'mod2')
+ mod.write('import mod1\n')
+ module = self.project.get_module('mod2')
+ imported_sys = module['mod1'].get_object()
+ self.assertEquals(get_base_type('Module'), imported_sys.get_type())
+
+ def test_imported_as_names(self):
+ testutils.create_module(self.project, 'mod1')
+ mod = testutils.create_module(self.project, 'mod2')
+ mod.write('import mod1 as my_import\n')
+ module = self.project.get_module('mod2')
+ imported_mod = module['my_import'].get_object()
+ self.assertEquals(get_base_type('Module'), imported_mod.get_type())
+
+ def test_get_string_module(self):
+ mod = libutils.get_string_module(
+ self.project, 'class Sample(object):\n pass\n')
+ sample_class = mod['Sample'].get_object()
+ self.assertEquals(get_base_type('Type'), sample_class.get_type())
+
+ def test_get_string_module_with_extra_spaces(self):
+ mod = libutils.get_string_module(
+ self.project, 'a = 10\n ') # noqa
+
+ def test_parameter_info_for_functions(self):
+ code = 'def func(param1, param2=10, *param3, **param4):\n pass'
+ mod = libutils.get_string_module(self.project, code)
+ sample_function = mod['func']
+ self.assertEquals(['param1', 'param2', 'param3', 'param4'],
+ sample_function.get_object().get_param_names())
+
+ # FIXME: Not found modules
+ def xxx_test_not_found_module_is_module(self):
+ mod = libutils.get_string_module(
+ self.project, 'import doesnotexist\n')
+ self.assertEquals(get_base_type('Module'),
+ mod['doesnotexist'].
+ get_object().get_type())
+
+ def test_mixing_scopes_and_objects_hierarchy(self):
+ mod = libutils.get_string_module(self.project, 'var = 200\n')
+ scope = mod.get_scope()
+ self.assertTrue('var' in scope.get_names())
+
+ def test_inheriting_base_class_attributes(self):
+ code = 'class Base(object):\n' \
+ ' def method(self):\n' \
+ ' pass\n' \
+ 'class Derived(Base):\n' \
+ ' pass\n'
+ mod = libutils.get_string_module(self.project, code)
+ derived = mod['Derived'].get_object()
+ self.assertTrue('method' in derived)
+ self.assertEquals(get_base_type('Function'),
+ derived['method'].get_object().get_type())
+
+ def test_inheriting_multiple_base_class_attributes(self):
+ code = 'class Base1(object):\n def method1(self):\n pass\n' \
+ 'class Base2(object):\n def method2(self):\n pass\n' \
+ 'class Derived(Base1, Base2):\n pass\n'
+ mod = libutils.get_string_module(self.project, code)
+ derived = mod['Derived'].get_object()
+ self.assertTrue('method1' in derived)
+ self.assertTrue('method2' in derived)
+
+ def test_inherit_multiple_base_class_attrs_with_the_same_name(self):
+ code = 'class Base1(object):\n def method(self):\n pass\n' \
+ 'class Base2(object):\n def method(self):\n pass\n' \
+ 'class Derived(Base1, Base2):\n pass\n'
+ mod = libutils.get_string_module(self.project, code)
+ base1 = mod['Base1'].get_object()
+ derived = mod['Derived'].get_object()
+ self.assertEquals(base1['method'].get_object(),
+ derived['method'].get_object())
+
+ def test_inheriting_unknown_base_class(self):
+ code = 'class Derived(NotFound):\n' \
+ ' def f(self):\n' \
+ ' pass\n'
+ mod = libutils.get_string_module(self.project, code)
+ derived = mod['Derived'].get_object()
+ self.assertTrue('f' in derived)
+
+ def test_module_creation(self):
+ new_module = testutils.create_module(self.project, 'module')
+ self.assertFalse(new_module.is_folder())
+ self.assertEquals(self.project.get_resource('module.py'), new_module)
+
+ def test_packaged_module_creation(self):
+ package = self.project.root.create_folder('package') # noqa
+ new_module = testutils.create_module(self.project, 'package.module')
+ self.assertEquals(self.project.get_resource('package/module.py'),
+ new_module)
+
+ def test_packaged_module_creation_with_nested_src(self):
+ src = self.project.root.create_folder('src')
+ src.create_folder('pkg')
+ new_module = testutils.create_module(self.project, 'pkg.mod', src)
+ self.assertEquals(self.project.get_resource('src/pkg/mod.py'),
+ new_module)
+
+ def test_package_creation(self):
+ new_package = testutils.create_package(self.project, 'pkg')
+ self.assertTrue(new_package.is_folder())
+ self.assertEquals(self.project.get_resource('pkg'), new_package)
+ self.assertEquals(self.project.get_resource('pkg/__init__.py'),
+ new_package.get_child('__init__.py'))
+
+ def test_nested_package_creation(self):
+ testutils.create_package(self.project, 'pkg1')
+ nested_package = testutils.create_package(self.project, 'pkg1.pkg2')
+ self.assertEquals(self.project.get_resource('pkg1/pkg2'),
+ nested_package)
+
+ def test_packaged_package_creation_with_nested_src(self):
+ src = self.project.root.create_folder('src')
+ testutils.create_package(self.project, 'pkg1', src)
+ nested_package = testutils.create_package(self.project, 'pkg1.pkg2',
+ src)
+ self.assertEquals(self.project.get_resource('src/pkg1/pkg2'),
+ nested_package)
+
+ def test_find_module(self):
+ src = self.project.root.create_folder('src')
+ samplemod = testutils.create_module(self.project, 'samplemod', src)
+ found_module = self.project.find_module('samplemod')
+ self.assertEquals(samplemod, found_module)
+
+ def test_find_nested_module(self):
+ src = self.project.root.create_folder('src')
+ samplepkg = testutils.create_package(self.project, 'samplepkg', src)
+ samplemod = testutils.create_module(self.project, 'samplemod',
+ samplepkg)
+ found_module = self.project.find_module('samplepkg.samplemod')
+ self.assertEquals(samplemod, found_module)
+
+ def test_find_multiple_module(self):
+ src = self.project.root.create_folder('src')
+ samplemod1 = testutils.create_module(self.project, 'samplemod', src)
+ samplemod2 = testutils.create_module(self.project, 'samplemod')
+ test = self.project.root.create_folder('test')
+ samplemod3 = testutils.create_module(self.project, 'samplemod', test)
+ found_module = self.project.find_module('samplemod')
+ self.assertTrue(samplemod1 == found_module or
+ samplemod2 == found_module or
+ samplemod3 == found_module)
+
+ def test_find_module_packages(self):
+ src = self.project.root
+ samplepkg = testutils.create_package(self.project, 'samplepkg', src)
+ found_module = self.project.find_module('samplepkg')
+ self.assertEquals(samplepkg, found_module)
+
+ def test_find_module_when_module_and_package_with_the_same_name(self):
+ src = self.project.root
+ testutils.create_module(self.project, 'sample', src)
+ samplepkg = testutils.create_package(self.project, 'sample', src)
+ found_module = self.project.find_module('sample')
+ self.assertEquals(samplepkg, found_module)
+
+ def test_source_folders_preference(self):
+ testutils.create_package(self.project, 'pkg1')
+ testutils.create_package(self.project, 'pkg1.src2')
+ lost = testutils.create_module(self.project, 'pkg1.src2.lost')
+ self.assertEqual(self.project.find_module('lost'), None)
+ self.project.close()
+ from rope.base.project import Project
+ self.project = Project(self.project.address,
+ source_folders=['pkg1/src2'])
+ self.assertEqual(self.project.find_module('lost'), lost)
+
+ def test_get_pyname_definition_location(self):
+ mod = libutils.get_string_module(self.project, 'a_var = 20\n')
+ a_var = mod['a_var']
+ self.assertEquals((mod, 1), a_var.get_definition_location())
+
+ def test_get_pyname_definition_location_functions(self):
+ mod = libutils.get_string_module(
+ self.project, 'def a_func():\n pass\n')
+ a_func = mod['a_func']
+ self.assertEquals((mod, 1), a_func.get_definition_location())
+
+ def test_get_pyname_definition_location_class(self):
+ code = 'class AClass(object):\n pass\n\n'
+ mod = libutils.get_string_module(self.project, code)
+ a_class = mod['AClass']
+ self.assertEquals((mod, 1), a_class.get_definition_location())
+
+ def test_get_pyname_definition_location_local_variables(self):
+ mod = libutils.get_string_module(
+ self.project, 'def a_func():\n a_var = 10\n')
+ a_func_scope = mod.get_scope().get_scopes()[0]
+ a_var = a_func_scope['a_var']
+ self.assertEquals((mod, 2), a_var.get_definition_location())
+
+ def test_get_pyname_definition_location_reassigning(self):
+ mod = libutils.get_string_module(
+ self.project, 'a_var = 20\na_var=30\n')
+ a_var = mod['a_var']
+ self.assertEquals((mod, 1), a_var.get_definition_location())
+
+ def test_get_pyname_definition_location_importes(self):
+ testutils.create_module(self.project, 'mod')
+ mod = libutils.get_string_module(self.project, 'import mod\n')
+ imported_module = self.project.get_module('mod')
+ module_pyname = mod['mod']
+ self.assertEquals((imported_module, 1),
+ module_pyname.get_definition_location())
+
+ def test_get_pyname_definition_location_imports(self):
+ module_resource = testutils.create_module(self.project, 'mod')
+ module_resource.write('\ndef a_func():\n pass\n')
+ imported_module = self.project.get_module('mod')
+ mod = libutils.get_string_module(
+ self.project, 'from mod import a_func\n')
+ a_func = mod['a_func']
+ self.assertEquals((imported_module, 2),
+ a_func.get_definition_location())
+
+ def test_get_pyname_definition_location_parameters(self):
+ code = 'def a_func(param1, param2):\n a_var = param\n'
+ mod = libutils.get_string_module(self.project, code)
+ a_func_scope = mod.get_scope().get_scopes()[0]
+ param1 = a_func_scope['param1']
+ self.assertEquals((mod, 1), param1.get_definition_location())
+ param2 = a_func_scope['param2']
+ self.assertEquals((mod, 1), param2.get_definition_location())
+
+ def test_module_get_resource(self):
+ module_resource = testutils.create_module(self.project, 'mod')
+ module = self.project.get_module('mod')
+ self.assertEquals(module_resource, module.get_resource())
+ string_module = libutils.get_string_module(
+ self.project, 'from mod import a_func\n')
+ self.assertEquals(None, string_module.get_resource())
+
+ def test_get_pyname_definition_location_class2(self):
+ code = 'class AClass(object):\n' \
+ ' def __init__(self):\n' \
+ ' self.an_attr = 10\n'
+ mod = libutils.get_string_module(self.project, code)
+ a_class = mod['AClass'].get_object()
+ an_attr = a_class['an_attr']
+ self.assertEquals((mod, 3), an_attr.get_definition_location())
+
+ def test_import_not_found_module_get_definition_location(self):
+ mod = libutils.get_string_module(
+ self.project, 'import doesnotexist\n')
+ does_not_exist = mod['doesnotexist']
+ self.assertEquals((None, None),
+ does_not_exist.get_definition_location())
+
+ def test_from_not_found_module_get_definition_location(self):
+ mod = libutils.get_string_module(
+ self.project, 'from doesnotexist import Sample\n')
+ sample = mod['Sample']
+ self.assertEquals((None, None), sample.get_definition_location())
+
+ def test_from_package_import_module_get_definition_location(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ testutils.create_module(self.project, 'mod', pkg)
+ pkg_mod = self.project.get_module('pkg.mod')
+ mod = libutils.get_string_module(
+ self.project, 'from pkg import mod\n')
+ imported_mod = mod['mod']
+ self.assertEquals((pkg_mod, 1),
+ imported_mod.get_definition_location())
+
+ def test_get_module_for_defined_pyobjects(self):
+ mod = libutils.get_string_module(
+ self.project, 'class AClass(object):\n pass\n')
+ a_class = mod['AClass'].get_object()
+ self.assertEquals(mod, a_class.get_module())
+
+ def test_get_definition_location_for_packages(self):
+ testutils.create_package(self.project, 'pkg')
+ init_module = self.project.get_module('pkg.__init__')
+ mod = libutils.get_string_module(self.project, 'import pkg\n')
+ pkg_pyname = mod['pkg']
+ self.assertEquals((init_module, 1),
+ pkg_pyname.get_definition_location())
+
+ def test_get_definition_location_for_filtered_packages(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ testutils.create_module(self.project, 'mod', pkg)
+ init_module = self.project.get_module('pkg.__init__')
+ mod = libutils.get_string_module(self.project, 'import pkg.mod')
+ pkg_pyname = mod['pkg']
+ self.assertEquals((init_module, 1),
+ pkg_pyname.get_definition_location())
+
+ def test_out_of_project_modules(self):
+ scope = libutils.get_string_scope(
+ self.project, 'import rope.base.project as project\n')
+ imported_module = scope['project'].get_object()
+ self.assertTrue('Project' in imported_module)
+
+ def test_file_encoding_reading(self):
+ contents = u'# -*- coding: utf-8 -*-\n' + \
+ u'#\N{LATIN SMALL LETTER I WITH DIAERESIS}\n'
+ mod = testutils.create_module(self.project, 'mod')
+ mod.write(contents)
+ self.project.get_module('mod')
+
+ def test_global_keyword(self):
+ contents = 'a_var = 1\ndef a_func():\n global a_var\n'
+ mod = libutils.get_string_module(self.project, contents)
+ global_var = mod['a_var']
+ func_scope = mod['a_func'].get_object().get_scope()
+ local_var = func_scope['a_var']
+ self.assertEquals(global_var, local_var)
+
+ def test_not_leaking_for_vars_inside_parent_scope(self):
+ mod = testutils.create_module(self.project, 'mod')
+ code = 'class C(object):\n' \
+ ' def f(self):\n' \
+ ' for my_var1, my_var2 in []:\n' \
+ ' pass\n'
+ mod.write(code)
+ pymod = self.pycore.resource_to_pyobject(mod)
+ c_class = pymod['C'].get_object()
+ self.assertFalse('my_var1' in c_class)
+ self.assertFalse('my_var2' in c_class)
+
+ def test_not_leaking_for_vars_inside_parent_scope2(self):
+ mod = testutils.create_module(self.project, 'mod')
+ code = 'class C(object):\n' \
+ ' def f(self):\n' \
+ ' for my_var in []:\n' \
+ ' pass\n'
+ mod.write(code)
+ pymod = self.pycore.resource_to_pyobject(mod)
+ c_class = pymod['C'].get_object()
+ self.assertFalse('my_var' in c_class)
+
+ def test_variables_defined_in_excepts(self):
+ mod = testutils.create_module(self.project, 'mod')
+ code = 'try:\n' \
+ ' myvar1 = 1\n' \
+ 'except:\n' \
+ ' myvar2 = 1\n' \
+ 'finally:\n' \
+ ' myvar3 = 1\n'
+ mod.write(code)
+ pymod = self.pycore.resource_to_pyobject(mod)
+ self.assertTrue('myvar1' in pymod)
+ self.assertTrue('myvar2' in pymod)
+ self.assertTrue('myvar3' in pymod)
+
+ def test_not_leaking_tuple_assigned_names_inside_parent_scope(self):
+ mod = testutils.create_module(self.project, 'mod')
+ code = 'class C(object):\n' \
+ ' def f(self):\n' \
+ ' var1, var2 = range(2)\n'
+ mod.write(code)
+ pymod = self.pycore.resource_to_pyobject(mod)
+ c_class = pymod['C'].get_object()
+ self.assertFalse('var1' in c_class)
+
+ @testutils.run_only_for_25
+ def test_with_statement_variables(self):
+ code = 'import threading\nwith threading.lock() as var: pass\n'
+ if sys.version_info < (2, 6, 0):
+ code = 'from __future__ import with_statement\n' + code
+ pymod = libutils.get_string_module(self.project, code)
+ self.assertTrue('var' in pymod)
+
+ @testutils.run_only_for_25
+ def test_with_statement_variables_and_tuple_assignment(self):
+ code = 'class A(object):\n' \
+ ' def __enter__(self):' \
+ ' return (1, 2)\n' \
+ ' def __exit__(self, type, value, tb):\n' \
+ ' pass\n'\
+ 'with A() as (a, b):\n' \
+ ' pass\n'
+ if sys.version_info < (2, 6, 0):
+ code = 'from __future__ import with_statement\n' + code
+ pymod = libutils.get_string_module(self.project, code)
+ self.assertTrue('a' in pymod)
+ self.assertTrue('b' in pymod)
+
+ @testutils.run_only_for_25
+ def test_with_statement_variable_type(self):
+ code = 'class A(object):\n' \
+ ' def __enter__(self):\n' \
+ ' return self\n'\
+ ' def __exit__(self, type, value, tb):\n' \
+ ' pass\n' \
+ 'with A() as var:\n' \
+ ' pass\n'
+ if sys.version_info < (2, 6, 0):
+ code = 'from __future__ import with_statement\n' + code
+ pymod = libutils.get_string_module(self.project, code)
+ a_class = pymod['A'].get_object()
+ var = pymod['var'].get_object()
+ self.assertEquals(a_class, var.get_type())
+
+ @testutils.run_only_for_25
+ def test_with_statement_with_no_vars(self):
+ code = 'with open("file"): pass\n'
+ if sys.version_info < (2, 6, 0):
+ code = 'from __future__ import with_statement\n' + code
+ pymod = libutils.get_string_module(self.project, code)
+ pymod.get_attributes()
+
+ def test_check_for_else_block(self):
+ code = 'for i in range(10):\n' \
+ ' pass\n' \
+ 'else:\n' \
+ ' myvar = 1\n'
+ mod = libutils.get_string_module(self.project, code)
+ a_var = mod['myvar']
+ self.assertEquals((mod, 4), a_var.get_definition_location())
+
+ def test_check_names_defined_in_whiles(self):
+ mod = libutils.get_string_module(
+ self.project, 'while False:\n myvar = 1\n')
+ a_var = mod['myvar']
+ self.assertEquals((mod, 2), a_var.get_definition_location())
+
+ def test_get_definition_location_in_tuple_assnames(self):
+ mod = libutils.get_string_module(
+ self.project, 'def f(x):\n x.z, a = range(2)\n')
+ x = mod['f'].get_object().get_scope()['x']
+ a = mod['f'].get_object().get_scope()['a']
+ self.assertEquals((mod, 1), x.get_definition_location())
+ self.assertEquals((mod, 2), a.get_definition_location())
+
+ def test_syntax_errors_in_code(self):
+ with self.assertRaises(exceptions.ModuleSyntaxError):
+ libutils.get_string_module(self.project, 'xyx print\n')
+
+ def test_holding_error_location_information(self):
+ try:
+ libutils.get_string_module(self.project, 'xyx print\n')
+ except exceptions.ModuleSyntaxError as e:
+ self.assertEquals(1, e.lineno)
+
+ def test_no_exceptions_on_module_encoding_problems(self):
+ mod = testutils.create_module(self.project, 'mod')
+ contents = '\nsdsdsd\n\xa9\n'
+ file = open(mod.real_path, 'wb')
+ file.write(contents)
+ file.close()
+ mod.read()
+
+ def test_syntax_errors_when_cannot_decode_file2(self):
+ mod = testutils.create_module(self.project, 'mod')
+ contents = '\n\xa9\n'
+ file = open(mod.real_path, 'wb')
+ file.write(contents)
+ file.close()
+ with self.assertRaises(exceptions.ModuleSyntaxError):
+ self.pycore.resource_to_pyobject(mod)
+
+ def test_syntax_errors_when_null_bytes(self):
+ mod = testutils.create_module(self.project, 'mod')
+ contents = '\n\x00\n'
+ file = open(mod.real_path, 'wb')
+ file.write(contents)
+ file.close()
+ with self.assertRaises(exceptions.ModuleSyntaxError):
+ self.pycore.resource_to_pyobject(mod)
+
+ def test_syntax_errors_when_bad_strs(self):
+ mod = testutils.create_module(self.project, 'mod')
+ contents = '\n"\\x0"\n'
+ file = open(mod.real_path, 'wb')
+ file.write(contents)
+ file.close()
+ with self.assertRaises(exceptions.ModuleSyntaxError):
+ self.pycore.resource_to_pyobject(mod)
+
+ def test_not_reaching_maximum_recursions_with_from_star_imports(self):
+ mod1 = testutils.create_module(self.project, 'mod1')
+ mod2 = testutils.create_module(self.project, 'mod2')
+ mod1.write('from mod2 import *\n')
+ mod2.write('from mod1 import *\n')
+ pymod1 = self.pycore.resource_to_pyobject(mod1)
+ pymod1.get_attributes()
+
+ def test_not_reaching_maximum_recursions_when_importing_variables(self):
+ mod1 = testutils.create_module(self.project, 'mod1')
+ mod2 = testutils.create_module(self.project, 'mod2')
+ mod1.write('from mod2 import myvar\n')
+ mod2.write('from mod1 import myvar\n')
+ pymod1 = self.pycore.resource_to_pyobject(mod1)
+ pymod1['myvar'].get_object()
+
+ def test_not_reaching_maximum_recursions_when_importing_variables2(self):
+ mod1 = testutils.create_module(self.project, 'mod1')
+ mod1.write('from mod1 import myvar\n')
+ pymod1 = self.pycore.resource_to_pyobject(mod1)
+ pymod1['myvar'].get_object()
+
+ def test_pyobject_equality_should_compare_types(self):
+ mod1 = testutils.create_module(self.project, 'mod1')
+ mod1.write('var1 = ""\nvar2 = ""\n')
+ pymod1 = self.pycore.resource_to_pyobject(mod1)
+ self.assertEquals(pymod1['var1'].get_object(),
+ pymod1['var2'].get_object())
+
+
+class PyCoreInProjectsTest(unittest.TestCase):
+
+ def setUp(self):
+ super(self.__class__, self).setUp()
+ self.project = testutils.sample_project()
+ self.pycore = self.project.pycore
+ samplemod = testutils.create_module(self.project, 'samplemod')
+ code = 'class SampleClass(object):\n' \
+ ' def sample_method():\n' \
+ ' pass\n\n' \
+ 'def sample_func():\n' \
+ ' pass\n' \
+ 'sample_var = 10\n\n' \
+ 'def _underlined_func():\n' \
+ ' pass\n\n'
+ samplemod.write(code)
+ package = testutils.create_package(self.project, 'package')
+ testutils.create_module(self.project, 'nestedmod', package)
+
+ def tearDown(self):
+ testutils.remove_project(self.project)
+ super(self.__class__, self).tearDown()
+
+ def test_simple_import(self):
+ mod = libutils.get_string_module(
+ self.project, 'import samplemod\n')
+ samplemod = mod['samplemod'].get_object()
+ self.assertEquals(get_base_type('Module'), samplemod.get_type())
+
+ def test_from_import_class(self):
+ mod = libutils.get_string_module(
+ self.project, 'from samplemod import SampleClass\n')
+ result = mod['SampleClass'].get_object()
+ self.assertEquals(get_base_type('Type'), result.get_type())
+ self.assertTrue('sample_func' not in mod.get_attributes())
+
+ def test_from_import_star(self):
+ mod = libutils.get_string_module(
+ self.project, 'from samplemod import *\n')
+ self.assertEquals(get_base_type('Type'),
+ mod['SampleClass'].get_object().get_type())
+ self.assertEquals(get_base_type('Function'),
+ mod['sample_func'].get_object().get_type())
+ self.assertTrue(mod['sample_var'] is not None)
+
+ def test_from_import_star_overwriting(self):
+ code = 'from samplemod import *\n' \
+ 'class SampleClass(object):\n pass\n'
+ mod = libutils.get_string_module(self.project, code)
+ samplemod = self.project.get_module('samplemod')
+ sample_class = samplemod['SampleClass'].get_object()
+ self.assertNotEquals(sample_class,
+ mod.get_attributes()['SampleClass'].get_object())
+
+ def test_from_import_star_not_imporing_underlined(self):
+ mod = libutils.get_string_module(
+ self.project, 'from samplemod import *')
+ self.assertTrue('_underlined_func' not in mod.get_attributes())
+
+ def test_from_import_star_imports_in_functions(self):
+ mod = libutils.get_string_module(
+ self.project, 'def f():\n from os import *\n')
+ mod['f'].get_object().get_scope().get_names()
+
+ def test_from_package_import_mod(self):
+ mod = libutils.get_string_module(
+ self.project, 'from package import nestedmod\n')
+ self.assertEquals(get_base_type('Module'),
+ mod['nestedmod'].get_object().get_type())
+
+ # XXX: Deciding to import everything on import start from packages
+ def xxx_test_from_package_import_star(self):
+ mod = libutils.get_string_module(
+ self.project, 'from package import *\n')
+ self.assertTrue('nestedmod' not in mod.get_attributes())
+
+ def test_unknown_when_module_cannot_be_found(self):
+ mod = libutils.get_string_module(
+ self.project, 'from doesnotexist import nestedmod\n')
+ self.assertTrue('nestedmod' in mod)
+
+ def test_from_import_function(self):
+ code = 'def f():\n from samplemod import SampleClass\n'
+ scope = libutils.get_string_scope(self.project, code)
+ self.assertEquals(get_base_type('Type'),
+ scope.get_scopes()[0]['SampleClass'].
+ get_object().get_type())
+
+ def test_circular_imports(self):
+ mod1 = testutils.create_module(self.project, 'mod1')
+ mod2 = testutils.create_module(self.project, 'mod2')
+ mod1.write('import mod2\n')
+ mod2.write('import mod1\n')
+ self.project.get_module('mod1')
+
+ def test_circular_imports2(self):
+ mod1 = testutils.create_module(self.project, 'mod1')
+ mod2 = testutils.create_module(self.project, 'mod2')
+ mod1.write(
+ 'from mod2 import Sample2\nclass Sample1(object):\n pass\n')
+ mod2.write(
+ 'from mod1 import Sample1\nclass Sample2(object):\n pass\n')
+ self.project.get_module('mod1').get_attributes()
+
+ def test_multi_dot_imports(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ pkg_mod = testutils.create_module(self.project, 'mod', pkg)
+ pkg_mod.write('def sample_func():\n pass\n')
+ mod = libutils.get_string_module(self.project, 'import pkg.mod\n')
+ self.assertTrue('pkg' in mod)
+ self.assertTrue('sample_func' in mod['pkg'].get_object()['mod'].
+ get_object())
+
+ def test_multi_dot_imports2(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ testutils.create_module(self.project, 'mod1', pkg)
+ testutils.create_module(self.project, 'mod2', pkg)
+ mod = libutils.get_string_module(
+ self.project, 'import pkg.mod1\nimport pkg.mod2\n')
+ package = mod['pkg'].get_object()
+ self.assertEquals(2, len(package.get_attributes()))
+ self.assertTrue('mod1' in package and
+ 'mod2' in package)
+
+ def test_multi_dot_imports3(self):
+ pkg1 = testutils.create_package(self.project, 'pkg1')
+ pkg2 = testutils.create_package(self.project, 'pkg2', pkg1)
+ testutils.create_module(self.project, 'mod1', pkg2)
+ testutils.create_module(self.project, 'mod2', pkg2)
+ code = 'import pkg1.pkg2.mod1\nimport pkg1.pkg2.mod2\n'
+ mod = libutils.get_string_module(self.project, code)
+ package1 = mod['pkg1'].get_object()
+ package2 = package1['pkg2'].get_object()
+ self.assertEquals(2, len(package2.get_attributes()))
+ self.assertTrue('mod1' in package2 and 'mod2' in package2)
+
+ def test_multi_dot_imports_as(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ mod1 = testutils.create_module(self.project, 'mod1', pkg)
+ mod1.write('def f():\n pass\n')
+ mod = libutils.get_string_module(
+ self.project, 'import pkg.mod1 as mod1\n')
+ module = mod['mod1'].get_object()
+ self.assertTrue('f' in module)
+
+ # TODO: not showing unimported names as attributes of packages
+ def xxx_test_from_package_import_package(self):
+ pkg1 = testutils.create_package(self.project, 'pkg1')
+ pkg2 = testutils.create_package(self.project, 'pkg2', pkg1)
+ testutils.create_module(self.project, 'mod', pkg2)
+ mod = libutils.get_string_module(
+ self.project, 'from pkg1 import pkg2\n')
+ package = mod['pkg2']
+ self.assertEquals(0, len(package.get_attributes()))
+
+ def test_invalidating_cache_after_resource_change(self):
+ module = testutils.create_module(self.project, 'mod')
+ module.write('import sys\n')
+ mod1 = self.project.get_module('mod')
+ self.assertTrue('var' not in mod1.get_attributes())
+ module.write('var = 10\n')
+ mod2 = self.project.get_module('mod')
+ self.assertTrue('var' in mod2)
+
+ def test_invalidating_cache_after_resource_change_for_init_dot_pys(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ mod = testutils.create_module(self.project, 'mod')
+ init_dot_py = pkg.get_child('__init__.py')
+ init_dot_py.write('a_var = 10\n')
+ mod.write('import pkg\n')
+ pymod = self.project.get_module('mod')
+ self.assertTrue('a_var' in pymod['pkg'].get_object())
+ init_dot_py.write('new_var = 10\n')
+ self.assertTrue('a_var' not in
+ pymod['pkg'].get_object().get_attributes())
+
+ def test_invalidating_cache_after_rsrc_chng_for_nested_init_dot_pys(self):
+ pkg1 = testutils.create_package(self.project, 'pkg1')
+ pkg2 = testutils.create_package(self.project, 'pkg2', pkg1)
+ mod = testutils.create_module(self.project, 'mod')
+ init_dot_py = pkg2.get_child('__init__.py')
+ init_dot_py.write('a_var = 10\n')
+ mod.write('import pkg1\n')
+ pymod = self.project.get_module('mod')
+ self.assertTrue('a_var' in
+ pymod['pkg1'].get_object()['pkg2'].get_object())
+ init_dot_py.write('new_var = 10\n')
+ self.assertTrue('a_var' not in
+ pymod['pkg1'].get_object()['pkg2'].get_object())
+
+ def test_from_import_nonexistent_module(self):
+ code = 'from doesnotexistmod import DoesNotExistClass\n'
+ mod = libutils.get_string_module(self.project, code)
+ self.assertTrue('DoesNotExistClass' in mod)
+ self.assertEquals(get_base_type('Unknown'),
+ mod['DoesNotExistClass'].
+ get_object().get_type())
+
+ def test_from_import_nonexistent_name(self):
+ code = 'from samplemod import DoesNotExistClass\n'
+ mod = libutils.get_string_module(self.project, code)
+ self.assertTrue('DoesNotExistClass' in mod)
+ self.assertEquals(get_base_type('Unknown'),
+ mod['DoesNotExistClass'].
+ get_object().get_type())
+
+ def test_not_considering_imported_names_as_sub_scopes(self):
+ code = 'from samplemod import SampleClass\n'
+ scope = libutils.get_string_scope(self.project, code)
+ self.assertEquals(0, len(scope.get_scopes()))
+
+ def test_not_considering_imported_modules_as_sub_scopes(self):
+ scope = libutils.get_string_scope(
+ self.project, 'import samplemod\n')
+ self.assertEquals(0, len(scope.get_scopes()))
+
+ def test_inheriting_dotted_base_class(self):
+ code = 'import samplemod\n' \
+ 'class Derived(samplemod.SampleClass):\n' \
+ ' pass\n'
+ mod = libutils.get_string_module(self.project, code)
+ derived = mod['Derived'].get_object()
+ self.assertTrue('sample_method' in derived)
+
+ def test_self_in_methods(self):
+ code = 'class Sample(object):\n' \
+ ' def func(self):\n' \
+ ' pass\n'
+ scope = libutils.get_string_scope(self.project, code)
+ sample_class = scope['Sample'].get_object()
+ func_scope = scope.get_scopes()[0].get_scopes()[0]
+ self.assertEquals(sample_class,
+ func_scope['self'].get_object().get_type())
+ self.assertTrue('func' in func_scope['self'].get_object())
+
+ def test_none_assignments_in_classes(self):
+ code = 'class C(object):\n' \
+ ' var = ""\n' \
+ ' def f(self):\n' \
+ ' self.var += "".join([])\n'
+ scope = libutils.get_string_scope(self.project, code)
+ c_class = scope['C'].get_object()
+ self.assertTrue('var' in c_class)
+
+ def test_self_in_methods_with_decorators(self):
+ code = 'class Sample(object):\n' \
+ ' @staticmethod\n' \
+ ' def func(self):\n' \
+ ' pass\n'
+ scope = libutils.get_string_scope(self.project, code)
+ sample_class = scope['Sample'].get_object()
+ func_scope = scope.get_scopes()[0].get_scopes()[0]
+ self.assertNotEquals(sample_class,
+ func_scope['self'].get_object().get_type())
+
+ def test_location_of_imports_when_importing(self):
+ mod = testutils.create_module(self.project, 'mod')
+ mod.write('from samplemod import SampleClass\n')
+ scope = libutils.get_string_scope(
+ self.project, 'from mod import SampleClass\n')
+ sample_class = scope['SampleClass']
+ samplemod = self.project.get_module('samplemod')
+ self.assertEquals((samplemod, 1),
+ sample_class.get_definition_location())
+
+ def test_nested_modules(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ testutils.create_module(self.project, 'mod', pkg)
+ imported_module = self.project.get_module('pkg.mod')
+ scope = libutils.get_string_scope(self.project, 'import pkg.mod\n')
+ mod_pyobject = scope['pkg'].get_object()['mod']
+ self.assertEquals((imported_module, 1),
+ mod_pyobject.get_definition_location())
+
+ def test_reading_init_dot_py(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ init_dot_py = pkg.get_child('__init__.py')
+ init_dot_py.write('a_var = 1\n')
+ pkg_object = self.project.get_module('pkg')
+ self.assertTrue('a_var' in pkg_object)
+
+ def test_relative_imports(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ mod1 = testutils.create_module(self.project, 'mod1', pkg)
+ mod2 = testutils.create_module(self.project, 'mod2', pkg)
+ mod2.write('import mod1\n')
+ mod1_object = self.pycore.resource_to_pyobject(mod1)
+ mod2_object = self.pycore.resource_to_pyobject(mod2)
+ self.assertEquals(mod1_object,
+ mod2_object.get_attributes()['mod1'].get_object())
+
+ def test_relative_froms(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ mod1 = testutils.create_module(self.project, 'mod1', pkg)
+ mod2 = testutils.create_module(self.project, 'mod2', pkg)
+ mod1.write('def a_func():\n pass\n')
+ mod2.write('from mod1 import a_func\n')
+ mod1_object = self.pycore.resource_to_pyobject(mod1)
+ mod2_object = self.pycore.resource_to_pyobject(mod2)
+ self.assertEquals(mod1_object['a_func'].get_object(),
+ mod2_object['a_func'].get_object())
+
+ def test_relative_imports_for_string_modules(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ mod1 = testutils.create_module(self.project, 'mod1', pkg)
+ mod2 = testutils.create_module(self.project, 'mod2', pkg)
+ mod2.write('import mod1\n')
+ mod1_object = self.pycore.resource_to_pyobject(mod1)
+ mod2_object = libutils.get_string_module(
+ self.project, mod2.read(), mod2)
+ self.assertEquals(mod1_object, mod2_object['mod1'].get_object())
+
+ def test_relative_imports_for_string_scopes(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ mod1 = testutils.create_module(self.project, 'mod1', pkg)
+ mod2 = testutils.create_module(self.project, 'mod2', pkg)
+ mod2.write('import mod1\n')
+ mod1_object = self.pycore.resource_to_pyobject(mod1)
+ mod2_scope = libutils.get_string_scope(self.project, mod2.read(),
+ mod2)
+ self.assertEquals(mod1_object, mod2_scope['mod1'].get_object())
+
+ @testutils.run_only_for_25
+ def test_new_style_relative_imports(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ mod1 = testutils.create_module(self.project, 'mod1', pkg)
+ mod2 = testutils.create_module(self.project, 'mod2', pkg)
+ mod2.write('from . import mod1\n')
+ mod1_object = self.pycore.resource_to_pyobject(mod1)
+ mod2_object = self.pycore.resource_to_pyobject(mod2)
+ self.assertEquals(mod1_object, mod2_object['mod1'].get_object())
+
+ @testutils.run_only_for_25
+ def test_new_style_relative_imports2(self):
+ pkg = testutils.create_package(self.project, 'pkg')
+ mod1 = testutils.create_module(self.project, 'mod1')
+ mod2 = testutils.create_module(self.project, 'mod2', pkg)
+ mod1.write('def a_func():\n pass\n')
+ mod2.write('from ..mod1 import a_func\n')
+ mod1_object = self.pycore.resource_to_pyobject(mod1)
+ mod2_object = self.pycore.resource_to_pyobject(mod2)
+ self.assertEquals(mod1_object['a_func'].get_object(),
+ mod2_object['a_func'].get_object())
+
+ def test_invalidating_cache_for_from_imports_after_resource_change(self):
+ mod1 = testutils.create_module(self.project, 'mod1')
+ mod2 = testutils.create_module(self.project, 'mod2')
+ mod2.write('def a_func():\n print(1)\n')
+ mod1.write('from mod2 import a_func\na_func()\n')
+
+ pymod1 = self.project.get_module('mod1')
+ pymod2 = self.project.get_module('mod2')
+ self.assertEquals(pymod1['a_func'].get_object(),
+ pymod2['a_func'].get_object())
+ mod2.write(mod2.read() + '\n')
+ pymod2 = self.project.get_module('mod2')
+ self.assertEquals(pymod1['a_func'].get_object(),
+ pymod2['a_func'].get_object())
+
+ def test_invalidating_superclasses_after_change(self):
+ mod1 = testutils.create_module(self.project, 'mod1')
+ mod2 = testutils.create_module(self.project, 'mod2')
+ mod1.write('class A(object):\n def func1(self):\n pass\n')
+ mod2.write('import mod1\nclass B(mod1.A):\n pass\n')
+
+ b_class = self.project.get_module('mod2')['B'].get_object()
+ self.assertTrue('func1' in b_class)
+
+ mod1.write('class A(object):\n def func2(self):\n pass\n')
+ self.assertTrue('func2' in b_class)
+
+ def test_caching_pymodule_with_syntax_errors(self):
+ self.project.prefs['ignore_syntax_errors'] = True
+ self.project.prefs['automatic_soa'] = True
+ self.project.pycore._init_automatic_soa()
+ source = 'import sys\nab cd'
+ mod = testutils.create_module(self.project, 'mod')
+ mod.write(source)
+ from rope.contrib import fixsyntax
+ fixer = fixsyntax.FixSyntax(self.project, source, mod, 10)
+ pymodule = fixer.get_pymodule()
+ self.assertTrue(pymodule.source_code.startswith('import sys\npass\n'))
+
+
+class TextChangeDetectorTest(unittest.TestCase):
+
+ def test_trivial_case(self):
+ detector = _TextChangeDetector('\n', '\n')
+ self.assertFalse(detector.is_changed(1, 1))
+
+ def test_one_line_change(self):
+ detector = _TextChangeDetector('1\n2\n', '1\n3\n')
+ self.assertFalse(detector.is_changed(1, 1))
+ self.assertTrue(detector.is_changed(2, 2))
+
+ def test_line_expansion(self):
+ detector = _TextChangeDetector('1\n2\n', '1\n3\n4\n2\n')
+ self.assertFalse(detector.is_changed(1, 1))
+ self.assertFalse(detector.is_changed(2, 2))
+
+ def test_line_removals(self):
+ detector = _TextChangeDetector('1\n3\n4\n2\n', '1\n2\n')
+ self.assertFalse(detector.is_changed(1, 1))
+ self.assertTrue(detector.is_changed(2, 3))
+ self.assertFalse(detector.is_changed(4, 4))
+
+ def test_multi_line_checks(self):
+ detector = _TextChangeDetector('1\n2\n', '1\n3\n')
+ self.assertTrue(detector.is_changed(1, 2))
+
+ def test_consume_change(self):
+ detector = _TextChangeDetector('1\n2\n', '1\n3\n')
+ self.assertTrue(detector.is_changed(1, 2))
+ self.assertTrue(detector.consume_changes(1, 2))
+ self.assertFalse(detector.is_changed(1, 2))
+
+
+class PyCoreProjectConfigsTest(unittest.TestCase):
+
+ def setUp(self):
+ super(PyCoreProjectConfigsTest, self).setUp()
+ self.project = None
+
+ def tearDown(self):
+ if self.project:
+ testutils.remove_project(self.project)
+ super(PyCoreProjectConfigsTest, self).tearDown()
+
+ def test_python_files_config(self):
+ self.project = testutils.sample_project(python_files=['myscript'])
+ myscript = self.project.root.create_file('myscript')
+ self.assertTrue(self.project.pycore.is_python_file(myscript))
+
+ def test_ignore_bad_imports(self):
+ self.project = testutils.sample_project(ignore_bad_imports=True)
+ pymod = libutils.get_string_module(
+ self.project, 'import some_nonexistent_module\n')
+ self.assertFalse('some_nonexistent_module' in pymod)
+
+ def test_ignore_bad_imports_for_froms(self):
+ self.project = testutils.sample_project(ignore_bad_imports=True)
+ pymod = libutils.get_string_module(
+ self.project, 'from some_nonexistent_module import var\n')
+ self.assertFalse('var' in pymod)
+
+ def test_reporting_syntax_errors_with_force_errors(self):
+ self.project = testutils.sample_project(ignore_syntax_errors=True)
+ mod = testutils.create_module(self.project, 'mod')
+ mod.write('syntax error ...\n')
+ with self.assertRaises(exceptions.ModuleSyntaxError):
+ self.project.pycore.resource_to_pyobject(mod, force_errors=True)
+
+ def test_reporting_syntax_errors_in_strings_with_force_errors(self):
+ self.project = testutils.sample_project(ignore_syntax_errors=True)
+ with self.assertRaises(exceptions.ModuleSyntaxError):
+ libutils.get_string_module(
+ self.project, 'syntax error ...', force_errors=True)
+
+ def test_not_raising_errors_for_strings_with_ignore_errors(self):
+ self.project = testutils.sample_project(ignore_syntax_errors=True)
+ libutils.get_string_module(self.project, 'syntax error ...')
+
+ def test_reporting_syntax_errors_with_force_errors_for_packages(self):
+ self.project = testutils.sample_project(ignore_syntax_errors=True)
+ pkg = testutils.create_package(self.project, 'pkg')
+ pkg.get_child('__init__.py').write('syntax error ...\n')
+ with self.assertRaises(exceptions.ModuleSyntaxError):
+ self.project.pycore.resource_to_pyobject(pkg, force_errors=True)
+
+
+def suite():
+ result = unittest.TestSuite()
+ result.addTests(unittest.makeSuite(PyCoreTest))
+ result.addTests(unittest.makeSuite(PyCoreInProjectsTest))
+ result.addTests(unittest.makeSuite(TextChangeDetectorTest))
+ result.addTests(unittest.makeSuite(PyCoreProjectConfigsTest))
+ return result
+
+
+if __name__ == '__main__':
+ unittest.main()
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