/
movetest.py
1231 lines (1098 loc) · 40.1 KB
/
movetest.py
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from textwrap import dedent
import unittest
from rope.base import exceptions
from rope.refactor import move
from ropetest import testutils
class MoveRefactoringTest(unittest.TestCase):
def setUp(self):
super().setUp()
self.project = testutils.sample_project()
self.mod1 = testutils.create_module(self.project, "mod1")
self.mod2 = testutils.create_module(self.project, "mod2")
self.mod3 = testutils.create_module(self.project, "mod3")
self.pkg = testutils.create_package(self.project, "pkg")
self.mod4 = testutils.create_module(self.project, "mod4", self.pkg)
self.mod5 = testutils.create_module(self.project, "mod5", self.pkg)
def tearDown(self):
testutils.remove_project(self.project)
super().tearDown()
def _move(self, resource, offset, dest_resource):
changes = move.create_move(self.project, resource, offset).get_changes(
dest_resource
)
self.project.do(changes)
def test_move_constant(self):
self.mod1.write("foo = 123\n")
self._move(self.mod1, self.mod1.read().index("foo") + 1, self.mod2)
self.assertEqual("", self.mod1.read())
self.assertEqual("foo = 123\n", self.mod2.read())
def test_move_constant_2(self):
self.mod1.write("bar = 321\nfoo = 123\n")
self._move(self.mod1, self.mod1.read().index("foo") + 1, self.mod2)
self.assertEqual("bar = 321\n", self.mod1.read())
self.assertEqual("foo = 123\n", self.mod2.read())
def test_move_constant_multiline(self):
self.mod1.write(dedent("""\
foo = (
123
)
"""))
self._move(self.mod1, self.mod1.read().index("foo") + 1, self.mod2)
self.assertEqual("", self.mod1.read())
self.assertEqual(
dedent("""\
foo = (
123
)
"""),
self.mod2.read(),
)
def test_move_constant_multiple_statements(self):
self.mod1.write(dedent("""\
foo = 123
foo += 3
foo = 4
"""))
self._move(self.mod1, self.mod1.read().index("foo") + 1, self.mod2)
self.assertEqual(
dedent("""\
import mod2
mod2.foo += 3
mod2.foo = 4
"""),
self.mod1.read(),
)
self.assertEqual("foo = 123\n", self.mod2.read())
def test_simple_moving(self):
self.mod1.write(dedent("""\
class AClass(object):
pass
"""))
self._move(self.mod1, self.mod1.read().index("AClass") + 1, self.mod2)
self.assertEqual("", self.mod1.read())
self.assertEqual(
dedent("""\
class AClass(object):
pass
"""),
self.mod2.read(),
)
def test_moving_with_comment_prefix(self):
self.mod1.write(dedent("""\
a = 1
# 1
# 2
class AClass(object):
pass
"""))
self._move(self.mod1, self.mod1.read().index("AClass") + 1, self.mod2)
self.assertEqual("a = 1\n", self.mod1.read())
self.assertEqual(
dedent("""\
# 1
# 2
class AClass(object):
pass
"""),
self.mod2.read(),
)
def test_moving_with_comment_prefix_imports(self):
self.mod1.write(dedent("""\
import foo
a = 1
# 1
# 2
class AClass(foo.FooClass):
pass
"""))
self._move(self.mod1, self.mod1.read().index("AClass") + 1, self.mod2)
self.assertEqual("a = 1\n", self.mod1.read())
self.assertEqual(
dedent("""\
import foo
# 1
# 2
class AClass(foo.FooClass):
pass
"""),
self.mod2.read(),
)
def test_changing_other_modules_replacing_normal_imports(self):
self.mod1.write("class AClass(object):\n pass\n")
self.mod3.write("import mod1\na_var = mod1.AClass()\n")
self._move(self.mod1, self.mod1.read().index("AClass") + 1, self.mod2)
self.assertEqual(
dedent("""\
import mod2
a_var = mod2.AClass()
"""),
self.mod3.read(),
)
def test_changing_other_modules_adding_normal_imports(self):
self.mod1.write(dedent("""\
class AClass(object):
pass
def a_function():
pass
"""))
self.mod3.write(dedent("""\
import mod1
a_var = mod1.AClass()
mod1.a_function()"""))
self._move(self.mod1, self.mod1.read().index("AClass") + 1, self.mod2)
self.assertEqual(
dedent("""\
import mod1
import mod2
a_var = mod2.AClass()
mod1.a_function()"""),
self.mod3.read(),
)
def test_adding_imports_prefer_from_module(self):
self.project.prefs["prefer_module_from_imports"] = True
self.mod1.write(dedent("""\
class AClass(object):
pass
def a_function():
pass
"""))
self.mod3.write(dedent("""\
import mod1
a_var = mod1.AClass()
mod1.a_function()"""))
# Move to mod4 which is in a different package
self._move(self.mod1, self.mod1.read().index("AClass") + 1, self.mod4)
self.assertEqual(
dedent("""\
import mod1
from pkg import mod4
a_var = mod4.AClass()
mod1.a_function()"""),
self.mod3.read(),
)
def test_adding_imports_noprefer_from_module(self):
self.project.prefs["prefer_module_from_imports"] = False
self.mod1.write(dedent("""\
class AClass(object):
pass
def a_function():
pass
"""))
self.mod3.write(dedent("""\
import mod1
a_var = mod1.AClass()
mod1.a_function()"""))
# Move to mod4 which is in a different package
self._move(self.mod1, self.mod1.read().index("AClass") + 1, self.mod4)
self.assertEqual(
dedent("""\
import mod1
import pkg.mod4
a_var = pkg.mod4.AClass()
mod1.a_function()"""),
self.mod3.read(),
)
def test_adding_imports_prefer_from_module_top_level_module(self):
self.project.prefs["prefer_module_from_imports"] = True
self.mod1.write(dedent("""\
class AClass(object):
pass
def a_function():
pass
"""))
self.mod3.write(dedent("""\
import mod1
a_var = mod1.AClass()
mod1.a_function()"""))
self._move(self.mod1, self.mod1.read().index("AClass") + 1, self.mod2)
self.assertEqual(
dedent("""\
import mod1
import mod2
a_var = mod2.AClass()
mod1.a_function()"""),
self.mod3.read(),
)
def test_changing_other_modules_removing_from_imports(self):
self.mod1.write(dedent("""\
class AClass(object):
pass
"""))
self.mod3.write(dedent("""\
from mod1 import AClass
a_var = AClass()
"""))
self._move(self.mod1, self.mod1.read().index("AClass") + 1, self.mod2)
self.assertEqual(
dedent("""\
import mod2
a_var = mod2.AClass()
"""),
self.mod3.read(),
)
def test_changing_source_module(self):
self.mod1.write(dedent("""\
class AClass(object):
pass
a_var = AClass()
"""))
self._move(self.mod1, self.mod1.read().index("AClass") + 1, self.mod2)
self.assertEqual(
dedent("""\
import mod2
a_var = mod2.AClass()
"""),
self.mod1.read(),
)
def test_changing_destination_module(self):
self.mod1.write(dedent("""\
class AClass(object):
pass
"""))
self.mod2.write(dedent("""\
from mod1 import AClass
a_var = AClass()
"""))
self._move(self.mod1, self.mod1.read().index("AClass") + 1, self.mod2)
self.assertEqual(
dedent("""\
class AClass(object):
pass
a_var = AClass()
"""),
self.mod2.read(),
)
def test_folder_destination(self):
folder = self.project.root.create_folder("folder")
self.mod1.write(dedent("""\
class AClass(object):
pass
"""))
with self.assertRaises(exceptions.RefactoringError):
self._move(self.mod1, self.mod1.read().index("AClass") + 1, folder)
def test_raising_exception_for_moving_non_global_elements(self):
self.mod1.write(dedent("""\
def a_func():
class AClass(object):
pass
"""))
with self.assertRaises(exceptions.RefactoringError):
self._move(self.mod1, self.mod1.read().index("AClass") + 1, self.mod2)
def test_raising_an_exception_for_moving_non_global_variable(self):
code = dedent("""\
class TestClass:
CONSTANT = 5
""")
self.mod1.write(code)
with self.assertRaises(exceptions.RefactoringError):
mover = move.create_move(
self.project, self.mod1, code.index("CONSTANT") + 1
)
def test_raising_exception_for_mov_glob_elemnts_to_the_same_module(self):
self.mod1.write("def a_func():\n pass\n")
with self.assertRaises(exceptions.RefactoringError):
self._move(self.mod1, self.mod1.read().index("a_func"), self.mod1)
def test_moving_used_imports_to_destination_module(self):
self.mod3.write("a_var = 10")
code = dedent("""\
import mod3
from mod3 import a_var
def a_func():
print(mod3, a_var)
""")
self.mod1.write(code)
self._move(self.mod1, code.index("a_func") + 1, self.mod2)
expected = dedent("""\
import mod3
from mod3 import a_var
def a_func():
print(mod3, a_var)
""")
self.assertEqual(expected, self.mod2.read())
def test_moving_used_names_to_destination_module2(self):
code = dedent("""\
a_var = 10
def a_func():
print(a_var)
""")
self.mod1.write(code)
self._move(self.mod1, code.index("a_func") + 1, self.mod2)
self.assertEqual(
dedent("""\
a_var = 10
"""),
self.mod1.read(),
)
expected = dedent("""\
from mod1 import a_var
def a_func():
print(a_var)
""")
self.assertEqual(expected, self.mod2.read())
def test_moving_used_underlined_names_to_destination_module(self):
code = dedent("""\
_var = 10
def a_func():
print(_var)
""")
self.mod1.write(code)
self._move(self.mod1, code.index("a_func") + 1, self.mod2)
expected = dedent("""\
from mod1 import _var
def a_func():
print(_var)
""")
self.assertEqual(expected, self.mod2.read())
def test_moving_and_used_relative_imports(self):
code = dedent("""\
import mod5
def a_func():
print(mod5)
""")
self.mod4.write(code)
self._move(self.mod4, code.index("a_func") + 1, self.mod1)
expected = dedent("""\
import pkg.mod5
def a_func():
print(pkg.mod5)
""")
self.assertEqual(expected, self.mod1.read())
self.assertEqual("", self.mod4.read())
def test_moving_modules(self):
code = "import mod1\nprint(mod1)"
self.mod2.write(code)
self._move(self.mod2, code.index("mod1") + 1, self.pkg)
expected = "import pkg.mod1\nprint(pkg.mod1)"
self.assertEqual(expected, self.mod2.read())
self.assertTrue(
not self.mod1.exists() and self.project.find_module("pkg.mod1") is not None
)
def test_moving_modules_and_removing_out_of_date_imports(self):
code = "import pkg.mod4\nprint(pkg.mod4)"
self.mod2.write(code)
self._move(self.mod2, code.index("mod4") + 1, self.project.root)
expected = "import mod4\nprint(mod4)"
self.assertEqual(expected, self.mod2.read())
self.assertTrue(self.project.find_module("mod4") is not None)
def test_moving_modules_and_removing_out_of_date_froms(self):
code = "from pkg import mod4\nprint(mod4)"
self.mod2.write(code)
self._move(self.mod2, code.index("mod4") + 1, self.project.root)
self.assertEqual("import mod4\nprint(mod4)", self.mod2.read())
def test_moving_modules_and_removing_out_of_date_froms2(self):
self.mod4.write("a_var = 10")
code = "from pkg.mod4 import a_var\nprint(a_var)\n"
self.mod2.write(code)
self._move(self.mod2, code.index("mod4") + 1, self.project.root)
expected = "from mod4 import a_var\nprint(a_var)\n"
self.assertEqual(expected, self.mod2.read())
def test_moving_modules_and_relative_import(self):
self.mod4.write("import mod5\nprint(mod5)\n")
code = "import pkg.mod4\nprint(pkg.mod4)"
self.mod2.write(code)
self._move(self.mod2, code.index("mod4") + 1, self.project.root)
moved = self.project.find_module("mod4")
expected = "import pkg.mod5\nprint(pkg.mod5)\n"
self.assertEqual(expected, moved.read())
def test_moving_module_kwarg_same_name_as_old(self):
self.mod1.write("def foo(mod1=0):\n pass")
code = "import mod1\nmod1.foo(mod1=1)"
self.mod2.write(code)
self._move(self.mod1, None, self.pkg)
moved = self.project.find_module("mod2")
expected = "import pkg.mod1\npkg.mod1.foo(mod1=1)"
self.assertEqual(expected, moved.read())
def test_moving_packages(self):
pkg2 = testutils.create_package(self.project, "pkg2")
code = "import pkg.mod4\nprint(pkg.mod4)"
self.mod1.write(code)
self._move(self.mod1, code.index("pkg") + 1, pkg2)
self.assertFalse(self.pkg.exists())
self.assertTrue(self.project.find_module("pkg2.pkg.mod4") is not None)
self.assertTrue(self.project.find_module("pkg2.pkg.mod4") is not None)
self.assertTrue(self.project.find_module("pkg2.pkg.mod5") is not None)
expected = "import pkg2.pkg.mod4\nprint(pkg2.pkg.mod4)"
self.assertEqual(expected, self.mod1.read())
def test_moving_modules_with_self_imports(self):
self.mod1.write("import mod1\nprint(mod1)\n")
self.mod2.write("import mod1\n")
self._move(self.mod2, self.mod2.read().index("mod1") + 1, self.pkg)
moved = self.project.find_module("pkg.mod1")
self.assertEqual(
dedent("""\
import pkg.mod1
print(pkg.mod1)
"""),
moved.read(),
)
def test_moving_modules_with_from_imports(self):
pkg2 = testutils.create_package(self.project, "pkg2")
code = dedent("""\
from pkg import mod4
print(mod4)""")
self.mod1.write(code)
self._move(self.mod1, code.index("pkg") + 1, pkg2)
self.assertFalse(self.pkg.exists())
self.assertTrue(self.project.find_module("pkg2.pkg.mod4") is not None)
self.assertTrue(self.project.find_module("pkg2.pkg.mod5") is not None)
expected = dedent("""\
from pkg2.pkg import mod4
print(mod4)""")
self.assertEqual(expected, self.mod1.read())
def test_moving_modules_with_from_import(self):
pkg2 = testutils.create_package(self.project, "pkg2")
pkg3 = testutils.create_package(self.project, "pkg3", pkg2)
pkg4 = testutils.create_package(self.project, "pkg4", pkg3)
code = dedent("""\
from pkg import mod4
print(mod4)""")
self.mod1.write(code)
self._move(self.mod4, None, pkg4)
self.assertTrue(self.project.find_module("pkg2.pkg3.pkg4.mod4") is not None)
expected = dedent("""\
from pkg2.pkg3.pkg4 import mod4
print(mod4)""")
self.assertEqual(expected, self.mod1.read())
def test_moving_modules_with_multi_from_imports(self):
pkg2 = testutils.create_package(self.project, "pkg2")
pkg3 = testutils.create_package(self.project, "pkg3", pkg2)
pkg4 = testutils.create_package(self.project, "pkg4", pkg3)
code = dedent("""\
from pkg import mod4, mod5
print(mod4)""")
self.mod1.write(code)
self._move(self.mod4, None, pkg4)
self.assertTrue(self.project.find_module("pkg2.pkg3.pkg4.mod4") is not None)
expected = dedent("""\
from pkg import mod5
from pkg2.pkg3.pkg4 import mod4
print(mod4)""")
self.assertEqual(expected, self.mod1.read())
def test_moving_modules_with_from_and_normal_imports(self):
pkg2 = testutils.create_package(self.project, "pkg2")
pkg3 = testutils.create_package(self.project, "pkg3", pkg2)
pkg4 = testutils.create_package(self.project, "pkg4", pkg3)
code = dedent("""\
from pkg import mod4
import pkg.mod4
print(mod4)
print(pkg.mod4)""")
self.mod1.write(code)
self._move(self.mod4, None, pkg4)
self.assertTrue(self.project.find_module("pkg2.pkg3.pkg4.mod4") is not None)
expected = dedent("""\
import pkg2.pkg3.pkg4.mod4
from pkg2.pkg3.pkg4 import mod4
print(mod4)
print(pkg2.pkg3.pkg4.mod4)""")
self.assertEqual(expected, self.mod1.read())
def test_moving_modules_with_normal_and_from_imports(self):
pkg2 = testutils.create_package(self.project, "pkg2")
pkg3 = testutils.create_package(self.project, "pkg3", pkg2)
pkg4 = testutils.create_package(self.project, "pkg4", pkg3)
code = dedent("""\
import pkg.mod4
from pkg import mod4
print(mod4)
print(pkg.mod4)""")
self.mod1.write(code)
self._move(self.mod4, None, pkg4)
self.assertTrue(self.project.find_module("pkg2.pkg3.pkg4.mod4") is not None)
expected = dedent("""\
import pkg2.pkg3.pkg4.mod4
from pkg2.pkg3.pkg4 import mod4
print(mod4)
print(pkg2.pkg3.pkg4.mod4)""")
self.assertEqual(expected, self.mod1.read())
def test_moving_modules_from_import_variable(self):
pkg2 = testutils.create_package(self.project, "pkg2")
pkg3 = testutils.create_package(self.project, "pkg3", pkg2)
pkg4 = testutils.create_package(self.project, "pkg4", pkg3)
code = dedent("""\
from pkg.mod4 import foo
print(foo)""")
self.mod1.write(code)
self._move(self.mod4, None, pkg4)
self.assertTrue(self.project.find_module("pkg2.pkg3.pkg4.mod4") is not None)
expected = dedent("""\
from pkg2.pkg3.pkg4.mod4 import foo
print(foo)""")
self.assertEqual(expected, self.mod1.read())
def test_moving_modules_normal_import(self):
pkg2 = testutils.create_package(self.project, "pkg2")
pkg3 = testutils.create_package(self.project, "pkg3", pkg2)
pkg4 = testutils.create_package(self.project, "pkg4", pkg3)
code = dedent("""\
import pkg.mod4
print(pkg.mod4)""")
self.mod1.write(code)
self._move(self.mod4, None, pkg4)
self.assertTrue(self.project.find_module("pkg2.pkg3.pkg4.mod4") is not None)
expected = dedent("""\
import pkg2.pkg3.pkg4.mod4
print(pkg2.pkg3.pkg4.mod4)""")
self.assertEqual(expected, self.mod1.read())
def test_moving_package_with_from_and_normal_imports(self):
pkg2 = testutils.create_package(self.project, "pkg2")
code = dedent("""\
from pkg import mod4
import pkg.mod4
print(pkg.mod4)
print(mod4)""")
self.mod1.write(code)
self._move(self.mod1, code.index("pkg") + 1, pkg2)
self.assertFalse(self.pkg.exists())
self.assertTrue(self.project.find_module("pkg2.pkg.mod4") is not None)
self.assertTrue(self.project.find_module("pkg2.pkg.mod5") is not None)
expected = dedent("""\
from pkg2.pkg import mod4
import pkg2.pkg.mod4
print(pkg2.pkg.mod4)
print(mod4)""")
self.assertEqual(expected, self.mod1.read())
def test_moving_package_with_from_and_normal_imports2(self):
pkg2 = testutils.create_package(self.project, "pkg2")
code = dedent("""\
import pkg.mod4
from pkg import mod4
print(pkg.mod4)
print(mod4)""")
self.mod1.write(code)
self._move(self.mod1, code.index("pkg") + 1, pkg2)
self.assertFalse(self.pkg.exists())
self.assertTrue(self.project.find_module("pkg2.pkg.mod4") is not None)
self.assertTrue(self.project.find_module("pkg2.pkg.mod5") is not None)
expected = dedent("""\
import pkg2.pkg.mod4
from pkg2.pkg import mod4
print(pkg2.pkg.mod4)
print(mod4)""")
self.assertEqual(expected, self.mod1.read())
def test_moving_package_and_retaining_blank_lines(self):
pkg2 = testutils.create_package(self.project, "pkg2", self.pkg)
code = dedent('''\
"""Docstring followed by blank lines."""
import pkg.mod4
from pkg import mod4
from x import y
from y import z
from a import b
from b import c
print(pkg.mod4)
print(mod4)''')
self.mod1.write(code)
self._move(self.mod4, None, pkg2)
expected = dedent('''\
"""Docstring followed by blank lines."""
import pkg.pkg2.mod4
from x import y
from y import z
from a import b
from b import c
from pkg.pkg2 import mod4
print(pkg.pkg2.mod4)
print(mod4)''')
self.assertEqual(expected, self.mod1.read())
def test_moving_functions_to_imported_module(self):
code = dedent("""\
import mod1
def a_func():
var = mod1.a_var
""")
self.mod1.write("a_var = 1\n")
self.mod2.write(code)
self._move(self.mod2, code.index("a_func") + 1, self.mod1)
expected = dedent("""\
def a_func():
var = a_var
a_var = 1
""")
self.assertEqual(expected, self.mod1.read())
def test_moving_resources_using_move_module_refactoring(self):
self.mod1.write("a_var = 1")
self.mod2.write(dedent("""\
import mod1
my_var = mod1.a_var
"""))
mover = move.create_move(self.project, self.mod1)
mover.get_changes(self.pkg).do()
expected = dedent("""\
import pkg.mod1
my_var = pkg.mod1.a_var
""")
self.assertEqual(expected, self.mod2.read())
self.assertTrue(self.pkg.get_child("mod1.py") is not None)
def test_moving_resources_using_move_module_for_packages(self):
self.mod1.write(dedent("""\
import pkg
my_pkg = pkg"""))
pkg2 = testutils.create_package(self.project, "pkg2")
mover = move.create_move(self.project, self.pkg)
mover.get_changes(pkg2).do()
expected = dedent("""\
import pkg2.pkg
my_pkg = pkg2.pkg""")
self.assertEqual(expected, self.mod1.read())
self.assertTrue(pkg2.get_child("pkg") is not None)
def test_moving_resources_using_move_module_for_init_dot_py(self):
self.mod1.write(dedent("""\
import pkg
my_pkg = pkg"""))
pkg2 = testutils.create_package(self.project, "pkg2")
init = self.pkg.get_child("__init__.py")
mover = move.create_move(self.project, init)
mover.get_changes(pkg2).do()
self.assertEqual(
dedent("""\
import pkg2.pkg
my_pkg = pkg2.pkg"""),
self.mod1.read(),
)
self.assertTrue(pkg2.get_child("pkg") is not None)
def test_moving_module_and_star_imports(self):
self.mod1.write("a_var = 1")
self.mod2.write(dedent("""\
from mod1 import *
a = a_var
"""))
mover = move.create_move(self.project, self.mod1)
mover.get_changes(self.pkg).do()
self.assertEqual(
dedent("""\
from pkg.mod1 import *
a = a_var
"""),
self.mod2.read(),
)
def test_moving_module_and_not_removing_blanks_after_imports(self):
self.mod4.write("a_var = 1")
self.mod2.write(dedent("""\
from pkg import mod4
import os
print(mod4.a_var)
"""))
mover = move.create_move(self.project, self.mod4)
mover.get_changes(self.project.root).do()
self.assertEqual(
dedent("""\
import os
import mod4
print(mod4.a_var)
"""),
self.mod2.read(),
)
def test_moving_module_refactoring_and_nonexistent_destinations(self):
self.mod4.write("a_var = 1")
self.mod2.write(dedent("""\
from pkg import mod4
import os
print(mod4.a_var)
"""))
with self.assertRaises(exceptions.RefactoringError):
mover = move.create_move(self.project, self.mod4)
mover.get_changes(None).do()
def test_moving_methods_choosing_the_correct_class(self):
code = dedent("""\
class A(object):
def a_method(self):
pass
""")
self.mod1.write(code)
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
self.assertTrue(isinstance(mover, move.MoveMethod))
def test_moving_methods_getting_new_method_for_empty_methods(self):
code = dedent("""\
class A(object):
def a_method(self):
pass
""")
self.mod1.write(code)
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
self.assertEqual(
dedent("""\
def new_method(self):
pass
"""),
mover.get_new_method("new_method"),
)
def test_moving_methods_getting_new_method_for_constant_methods(self):
code = dedent("""\
class A(object):
def a_method(self):
return 1
""")
self.mod1.write(code)
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
self.assertEqual(
dedent("""\
def new_method(self):
return 1
"""),
mover.get_new_method("new_method"),
)
def test_moving_methods_getting_new_method_passing_simple_paremters(self):
code = dedent("""\
class A(object):
def a_method(self, p):
return p
""")
self.mod1.write(code)
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
self.assertEqual(
dedent("""\
def new_method(self, p):
return p
"""),
mover.get_new_method("new_method"),
)
def test_moving_methods_getting_new_method_using_main_object(self):
code = dedent("""\
class A(object):
attr = 1
def a_method(host):
return host.attr
""")
self.mod1.write(code)
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
self.assertEqual(
dedent("""\
def new_method(self, host):
return host.attr
"""),
mover.get_new_method("new_method"),
)
def test_moving_methods_getting_new_method_renaming_main_object(self):
code = dedent("""\
class A(object):
attr = 1
def a_method(self):
return self.attr
""")
self.mod1.write(code)
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
self.assertEqual(
dedent("""\
def new_method(self, host):
return host.attr
"""),
mover.get_new_method("new_method"),
)
def test_moving_methods_gettin_new_method_with_keyword_arguments(self):
code = dedent("""\
class A(object):
attr = 1
def a_method(self, p=None):
return p
""")
self.mod1.write(code)
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
self.assertEqual(
dedent("""\
def new_method(self, p=None):
return p
"""),
mover.get_new_method("new_method"),
)
def test_moving_methods_gettin_new_method_with_many_kinds_arguments(self):
code = dedent("""\
class A(object):
attr = 1
def a_method(self, p1, *args, **kwds):
return self.attr
""")
self.mod1.write(code)
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
expected = dedent("""\
def new_method(self, host, p1, *args, **kwds):
return host.attr
""")
self.assertEqual(expected, mover.get_new_method("new_method"))
def test_moving_methods_getting_new_method_for_multi_line_methods(self):
code = dedent("""\
class A(object):
def a_method(self):
a = 2
return a
""")
self.mod1.write(code)
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
self.assertEqual(
dedent("""\
def new_method(self):
a = 2
return a
"""),
mover.get_new_method("new_method"),
)
def test_moving_methods_getting_old_method_for_constant_methods(self):
self.mod2.write("class B(object):\n pass\n")
code = dedent("""\
import mod2
class A(object):
attr = mod2.B()
def a_method(self):
return 1
""")
self.mod1.write(code)
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
mover.get_changes("attr", "new_method").do()
expected = dedent("""\
import mod2
class A(object):
attr = mod2.B()
def a_method(self):
return self.attr.new_method()
""")
self.assertEqual(expected, self.mod1.read())
def test_moving_methods_getting_getting_changes_for_goal_class(self):
self.mod2.write("class B(object):\n var = 1\n")
code = dedent("""\
import mod2
class A(object):
attr = mod2.B()
def a_method(self):
return 1
""")
self.mod1.write(code)
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
mover.get_changes("attr", "new_method").do()
expected = dedent("""\
class B(object):
var = 1
def new_method(self):
return 1
""")
self.assertEqual(expected, self.mod2.read())
def test_moving_methods_getting_getting_changes_for_goal_class2(self):
code = dedent("""\
class B(object):
var = 1
class A(object):
attr = B()
def a_method(self):
return 1
""")
self.mod1.write(code)
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
mover.get_changes("attr", "new_method").do()
self.assertEqual(
dedent("""\
class B(object):
var = 1
def new_method(self):
return 1
class A(object):
attr = B()
def a_method(self):
return self.attr.new_method()
"""),
self.mod1.read(),
)
def test_moving_methods_and_nonexistent_attributes(self):
code = dedent("""\
class A(object):
def a_method(self):
return 1
""")
self.mod1.write(code)
with self.assertRaises(exceptions.RefactoringError):
mover = move.create_move(self.project, self.mod1, code.index("a_method"))
mover.get_changes("x", "new_method")
def test_unknown_attribute_type(self):
code = dedent("""\
class A(object):