/
generatetest.py
315 lines (270 loc) · 12.3 KB
/
generatetest.py
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try:
import unittest2 as unittest
except ImportError:
import unittest
from rope.base import exceptions
from rope.contrib import generate
from ropetest import testutils
class GenerateTest(unittest.TestCase):
def setUp(self):
super(GenerateTest, self).setUp()
self.project = testutils.sample_project()
self.pycore = self.project.pycore
self.mod = testutils.create_module(self.project, 'mod1')
self.mod2 = testutils.create_module(self.project, 'mod2')
self.pkg = testutils.create_package(self.project, 'pkg')
def tearDown(self):
testutils.remove_project(self.project)
super(GenerateTest, self).tearDown()
def _get_generate(self, offset):
return generate.GenerateVariable(self.project, self.mod, offset)
def _get_generate_class(self, offset, goal_mod=None):
return generate.GenerateClass(self.project, self.mod, offset, goal_resource=goal_mod)
def _get_generate_module(self, offset):
return generate.GenerateModule(self.project, self.mod, offset)
def _get_generate_package(self, offset):
return generate.GeneratePackage(self.project, self.mod, offset)
def _get_generate_function(self, offset):
return generate.GenerateFunction(self.project, self.mod, offset)
def test_getting_location(self):
code = 'a_var = name\n'
self.mod.write(code)
generator = self._get_generate(code.index('name'))
self.assertEqual((self.mod, 1), generator.get_location())
def test_generating_variable(self):
code = 'a_var = name\n'
self.mod.write(code)
changes = self._get_generate(code.index('name')).get_changes()
self.project.do(changes)
self.assertEqual('name = None\n\n\na_var = name\n', self.mod.read())
def test_generating_variable_inserting_before_statement(self):
code = 'c = 1\nc = b\n'
self.mod.write(code)
changes = self._get_generate(code.index('b')).get_changes()
self.project.do(changes)
self.assertEqual('c = 1\nb = None\n\n\nc = b\n', self.mod.read())
def test_generating_variable_in_local_scopes(self):
code = 'def f():\n c = 1\n c = b\n'
self.mod.write(code)
changes = self._get_generate(code.index('b')).get_changes()
self.project.do(changes)
self.assertEqual('def f():\n c = 1\n b = None\n c = b\n',
self.mod.read())
def test_generating_variable_in_other_modules(self):
code = 'import mod2\nc = mod2.b\n'
self.mod.write(code)
generator = self._get_generate(code.index('b'))
self.project.do(generator.get_changes())
self.assertEqual((self.mod2, 1), generator.get_location())
self.assertEqual('b = None\n', self.mod2.read())
def test_generating_variable_in_classes(self):
code = 'class C(object):\n def f(self):\n pass\n' \
'c = C()\na_var = c.attr'
self.mod.write(code)
changes = self._get_generate(code.index('attr')).get_changes()
self.project.do(changes)
self.assertEqual(
'class C(object):\n def f(self):\n '
'pass\n\n attr = None\n'
'c = C()\na_var = c.attr', self.mod.read())
def test_generating_variable_in_classes_removing_pass(self):
code = 'class C(object):\n pass\nc = C()\na_var = c.attr'
self.mod.write(code)
changes = self._get_generate(code.index('attr')).get_changes()
self.project.do(changes)
self.assertEqual('class C(object):\n\n attr = None\n'
'c = C()\na_var = c.attr', self.mod.read())
def test_generating_variable_in_packages(self):
code = 'import pkg\na = pkg.a\n'
self.mod.write(code)
generator = self._get_generate(code.rindex('a'))
self.project.do(generator.get_changes())
init = self.pkg.get_child('__init__.py')
self.assertEqual((init, 1), generator.get_location())
self.assertEqual('a = None\n', init.read())
def test_generating_classes(self):
code = 'c = C()\n'
self.mod.write(code)
changes = self._get_generate_class(code.index('C')).get_changes()
self.project.do(changes)
self.assertEqual('class C(object):\n pass\n\n\nc = C()\n',
self.mod.read())
def test_generating_classes_in_other_module(self):
code = 'c = C()\n'
self.mod.write(code)
changes = self._get_generate_class(code.index('C'), self.mod2).get_changes()
self.project.do(changes)
self.assertEqual('class C(object):\n pass\n',
self.mod2.read())
self.assertEqual('from mod2 import C\nc = C()\n',
self.mod.read())
def test_generating_modules(self):
code = 'import pkg\npkg.mod\n'
self.mod.write(code)
generator = self._get_generate_module(code.rindex('mod'))
self.project.do(generator.get_changes())
mod = self.pkg.get_child('mod.py')
self.assertEqual((mod, 1), generator.get_location())
self.assertEqual('import pkg.mod\npkg.mod\n', self.mod.read())
def test_generating_packages(self):
code = 'import pkg\npkg.pkg2\n'
self.mod.write(code)
generator = self._get_generate_package(code.rindex('pkg2'))
self.project.do(generator.get_changes())
pkg2 = self.pkg.get_child('pkg2')
init = pkg2.get_child('__init__.py')
self.assertEqual((init, 1), generator.get_location())
self.assertEqual('import pkg.pkg2\npkg.pkg2\n', self.mod.read())
def test_generating_function(self):
code = 'a_func()\n'
self.mod.write(code)
changes = self._get_generate_function(
code.index('a_func')).get_changes()
self.project.do(changes)
self.assertEqual('def a_func():\n pass\n\n\na_func()\n',
self.mod.read())
def test_generating_modules_with_empty_primary(self):
code = 'mod\n'
self.mod.write(code)
generator = self._get_generate_module(code.rindex('mod'))
self.project.do(generator.get_changes())
mod = self.project.root.get_child('mod.py')
self.assertEqual((mod, 1), generator.get_location())
self.assertEqual('import mod\nmod\n', self.mod.read())
def test_generating_variable_already_exists(self):
code = 'b = 1\nc = b\n'
self.mod.write(code)
with self.assertRaises(exceptions.RefactoringError):
self._get_generate(code.index('b')).get_changes()
def test_generating_variable_primary_cannot_be_determined(self):
code = 'c = can_not_be_found.b\n'
self.mod.write(code)
with self.assertRaises(exceptions.RefactoringError):
self._get_generate(code.rindex('b')).get_changes()
def test_generating_modules_when_already_exists(self):
code = 'mod2\n'
self.mod.write(code)
generator = self._get_generate_module(code.rindex('mod'))
with self.assertRaises(exceptions.RefactoringError):
self.project.do(generator.get_changes())
def test_generating_static_methods(self):
code = 'class C(object):\n pass\nC.a_func()\n'
self.mod.write(code)
changes = self._get_generate_function(
code.index('a_func')).get_changes()
self.project.do(changes)
self.assertEqual(
'class C(object):\n\n @staticmethod'
'\n def a_func():\n pass\nC.a_func()\n',
self.mod.read())
def test_generating_methods(self):
code = 'class C(object):\n pass\nc = C()\nc.a_func()\n'
self.mod.write(code)
changes = self._get_generate_function(
code.index('a_func')).get_changes()
self.project.do(changes)
self.assertEqual(
'class C(object):\n\n def a_func(self):\n pass\n'
'c = C()\nc.a_func()\n',
self.mod.read())
def test_generating_constructors(self):
code = 'class C(object):\n pass\nc = C()\n'
self.mod.write(code)
changes = self._get_generate_function(code.rindex('C')).get_changes()
self.project.do(changes)
self.assertEqual(
'class C(object):\n\n def __init__(self):\n pass\n'
'c = C()\n',
self.mod.read())
def test_generating_calls(self):
code = 'class C(object):\n pass\nc = C()\nc()\n'
self.mod.write(code)
changes = self._get_generate_function(code.rindex('c')).get_changes()
self.project.do(changes)
self.assertEqual(
'class C(object):\n\n def __call__(self):\n pass\n'
'c = C()\nc()\n',
self.mod.read())
def test_generating_calls_in_other_modules(self):
self.mod2.write('class C(object):\n pass\n')
code = 'import mod2\nc = mod2.C()\nc()\n'
self.mod.write(code)
changes = self._get_generate_function(code.rindex('c')).get_changes()
self.project.do(changes)
self.assertEqual(
'class C(object):\n\n def __call__(self):\n pass\n',
self.mod2.read())
def test_generating_function_handling_arguments(self):
code = 'a_func(1)\n'
self.mod.write(code)
changes = self._get_generate_function(
code.index('a_func')).get_changes()
self.project.do(changes)
self.assertEqual('def a_func(arg0):\n pass\n\n\na_func(1)\n',
self.mod.read())
def test_generating_function_handling_keyword_xarguments(self):
code = 'a_func(p=1)\n'
self.mod.write(code)
changes = self._get_generate_function(
code.index('a_func')).get_changes()
self.project.do(changes)
self.assertEqual('def a_func(p):\n pass\n\n\na_func(p=1)\n',
self.mod.read())
def test_generating_function_handling_arguments_better_naming(self):
code = 'a_var = 1\na_func(a_var)\n'
self.mod.write(code)
changes = self._get_generate_function(
code.index('a_func')).get_changes()
self.project.do(changes)
self.assertEqual('a_var = 1\ndef a_func(a_var):'
'\n pass\n\n\na_func(a_var)\n',
self.mod.read())
def test_generating_variable_in_other_modules2(self):
self.mod2.write('\n\n\nprint(1)\n')
code = 'import mod2\nc = mod2.b\n'
self.mod.write(code)
generator = self._get_generate(code.index('b'))
self.project.do(generator.get_changes())
self.assertEqual((self.mod2, 5), generator.get_location())
self.assertEqual('\n\n\nprint(1)\n\n\nb = None\n', self.mod2.read())
def test_generating_function_in_a_suite(self):
code = 'if True:\n a_func()\n'
self.mod.write(code)
changes = self._get_generate_function(
code.index('a_func')).get_changes()
self.project.do(changes)
self.assertEqual('def a_func():\n pass'
'\n\n\nif True:\n a_func()\n',
self.mod.read())
def test_generating_function_in_a_suite_in_a_function(self):
code = 'def f():\n a = 1\n if 1:\n g()\n'
self.mod.write(code)
changes = self._get_generate_function(code.index('g()')).get_changes()
self.project.do(changes)
self.assertEqual(
'def f():\n a = 1\n def g():\n pass\n'
' if 1:\n g()\n',
self.mod.read())
def test_create_generate_class_with_goal_resource(self):
code = 'c = C()\n'
self.mod.write(code)
result = generate.create_generate(
"class",
self.project,
self.mod,
code.index("C"),
goal_resource=self.mod2)
self.assertTrue(isinstance(result, generate.GenerateClass))
self.assertEqual(result.goal_resource, self.mod2)
def test_create_generate_class_without_goal_resource(self):
code = 'c = C()\n'
self.mod.write(code)
result = generate.create_generate(
"class",
self.project,
self.mod,
code.index("C"))
self.assertTrue(isinstance(result, generate.GenerateClass))
self.assertIsNone(result.goal_resource)
if __name__ == '__main__':
unittest.main()