曾与蒿藜同雨露,한때 잡초와 쑥과 함께 비와 이슬을 나누던 곳이 이제는 소나무와 삼나무와 함께 서리와 눈을 견뎌내고 있다.终随松柏到冰霜.かつては雑草やヨモギと共に雨や露を分かち合っていたが、今では松やヒノキと共に霜や雪に耐えている。曾与蒿藜同雨露,Once sharing rain and dew with weeds and wormwood, now enduring frost and snow with pines and cypresses.终随松柏到冰霜.曾与蒿藜同雨露한때 잡초와 쑥과 함께 비와 이슬을 나누던 곳이 이제는 소나무와 삼나무와 함께 서리와 눈을 견뎌내고 있다.,终随松柏到冰霜.譖セ荳手珍阯懷酔髮ィ髴イ�檎サ磯囂譚セ譟丞芦蜀ー髴�曾与蒿藜同雨露,鏇句笌钂胯棞鍚岄洦闇诧紝缁堥殢鏉炬煆鍒板啺闇�终随松柏到冰霜.曾与蒿藜同雨露,한때 잡초와 쑥과 함께 비와 이슬을 나누던 곳이 이제는 소나무와 삼나무와 함께 서리와 눈을 견뎌내고 있다.终随松柏到冰霜.曾与蒿藜同雨露,终随松柏到冰霜. rahbord-ins.ir - GrazzMean-Shell
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name : test_variables.py
import unittest
from test import support

import gc
import tkinter
from tkinter import (Variable, StringVar, IntVar, DoubleVar, BooleanVar, Tcl,
                     TclError)
from test.support import ALWAYS_EQ
from tkinter.test.support import AbstractDefaultRootTest


class Var(Variable):

    _default = "default"
    side_effect = False

    def set(self, value):
        self.side_effect = True
        super().set(value)


class TestBase(unittest.TestCase):

    def setUp(self):
        self.root = Tcl()

    def tearDown(self):
        del self.root


class TestVariable(TestBase):

    def info_exists(self, *args):
        return self.root.getboolean(self.root.call("info", "exists", *args))

    def test_default(self):
        v = Variable(self.root)
        self.assertEqual("", v.get())
        self.assertRegex(str(v), r"^PY_VAR(\d+)$")

    def test_name_and_value(self):
        v = Variable(self.root, "sample string", "varname")
        self.assertEqual("sample string", v.get())
        self.assertEqual("varname", str(v))

    def test___del__(self):
        self.assertFalse(self.info_exists("varname"))
        v = Variable(self.root, "sample string", "varname")
        self.assertTrue(self.info_exists("varname"))
        del v
        support.gc_collect()  # For PyPy or other GCs.
        self.assertFalse(self.info_exists("varname"))

    def test_dont_unset_not_existing(self):
        self.assertFalse(self.info_exists("varname"))
        v1 = Variable(self.root, name="name")
        v2 = Variable(self.root, name="name")
        del v1
        support.gc_collect()  # For PyPy or other GCs.
        self.assertFalse(self.info_exists("name"))
        # shouldn't raise exception
        del v2
        support.gc_collect()  # For PyPy or other GCs.
        self.assertFalse(self.info_exists("name"))

    def test_equality(self):
        # values doesn't matter, only class and name are checked
        v1 = Variable(self.root, name="abc")
        v2 = Variable(self.root, name="abc")
        self.assertIsNot(v1, v2)
        self.assertEqual(v1, v2)

        v3 = Variable(self.root, name="cba")
        self.assertNotEqual(v1, v3)

        v4 = StringVar(self.root, name="abc")
        self.assertEqual(str(v1), str(v4))
        self.assertNotEqual(v1, v4)

        V = type('Variable', (), {})
        self.assertNotEqual(v1, V())

        self.assertNotEqual(v1, object())
        self.assertEqual(v1, ALWAYS_EQ)

        root2 = tkinter.Tk()
        self.addCleanup(root2.destroy)
        v5 = Variable(root2, name="abc")
        self.assertEqual(str(v1), str(v5))
        self.assertNotEqual(v1, v5)

    def test_invalid_name(self):
        with self.assertRaises(TypeError):
            Variable(self.root, name=123)

    def test_null_in_name(self):
        with self.assertRaises(ValueError):
            Variable(self.root, name='var\x00name')
        with self.assertRaises(ValueError):
            self.root.globalsetvar('var\x00name', "value")
        with self.assertRaises(ValueError):
            self.root.globalsetvar(b'var\x00name', "value")
        with self.assertRaises(ValueError):
            self.root.setvar('var\x00name', "value")
        with self.assertRaises(ValueError):
            self.root.setvar(b'var\x00name', "value")

    def test_initialize(self):
        v = Var(self.root)
        self.assertFalse(v.side_effect)
        v.set("value")
        self.assertTrue(v.side_effect)

    def test_trace_old(self):
        # Old interface
        v = Variable(self.root)
        vname = str(v)
        trace = []
        def read_tracer(*args):
            trace.append(('read',) + args)
        def write_tracer(*args):
            trace.append(('write',) + args)
        cb1 = v.trace_variable('r', read_tracer)
        cb2 = v.trace_variable('wu', write_tracer)
        self.assertEqual(sorted(v.trace_vinfo()), [('r', cb1), ('wu', cb2)])
        self.assertEqual(trace, [])

        v.set('spam')
        self.assertEqual(trace, [('write', vname, '', 'w')])

        trace = []
        v.get()
        self.assertEqual(trace, [('read', vname, '', 'r')])

        trace = []
        info = sorted(v.trace_vinfo())
        v.trace_vdelete('w', cb1)  # Wrong mode
        self.assertEqual(sorted(v.trace_vinfo()), info)
        with self.assertRaises(TclError):
            v.trace_vdelete('r', 'spam')  # Wrong command name
        self.assertEqual(sorted(v.trace_vinfo()), info)
        v.trace_vdelete('r', (cb1, 43)) # Wrong arguments
        self.assertEqual(sorted(v.trace_vinfo()), info)
        v.get()
        self.assertEqual(trace, [('read', vname, '', 'r')])

        trace = []
        v.trace_vdelete('r', cb1)
        self.assertEqual(v.trace_vinfo(), [('wu', cb2)])
        v.get()
        self.assertEqual(trace, [])

        trace = []
        del write_tracer
        gc.collect()
        v.set('eggs')
        self.assertEqual(trace, [('write', vname, '', 'w')])

        trace = []
        del v
        gc.collect()
        self.assertEqual(trace, [('write', vname, '', 'u')])

    def test_trace(self):
        v = Variable(self.root)
        vname = str(v)
        trace = []
        def read_tracer(*args):
            trace.append(('read',) + args)
        def write_tracer(*args):
            trace.append(('write',) + args)
        tr1 = v.trace_add('read', read_tracer)
        tr2 = v.trace_add(['write', 'unset'], write_tracer)
        self.assertEqual(sorted(v.trace_info()), [
                         (('read',), tr1),
                         (('write', 'unset'), tr2)])
        self.assertEqual(trace, [])

        v.set('spam')
        self.assertEqual(trace, [('write', vname, '', 'write')])

        trace = []
        v.get()
        self.assertEqual(trace, [('read', vname, '', 'read')])

        trace = []
        info = sorted(v.trace_info())
        v.trace_remove('write', tr1)  # Wrong mode
        self.assertEqual(sorted(v.trace_info()), info)
        with self.assertRaises(TclError):
            v.trace_remove('read', 'spam')  # Wrong command name
        self.assertEqual(sorted(v.trace_info()), info)
        v.get()
        self.assertEqual(trace, [('read', vname, '', 'read')])

        trace = []
        v.trace_remove('read', tr1)
        self.assertEqual(v.trace_info(), [(('write', 'unset'), tr2)])
        v.get()
        self.assertEqual(trace, [])

        trace = []
        del write_tracer
        gc.collect()
        v.set('eggs')
        self.assertEqual(trace, [('write', vname, '', 'write')])

        trace = []
        del v
        gc.collect()
        self.assertEqual(trace, [('write', vname, '', 'unset')])


class TestStringVar(TestBase):

    def test_default(self):
        v = StringVar(self.root)
        self.assertEqual("", v.get())

    def test_get(self):
        v = StringVar(self.root, "abc", "name")
        self.assertEqual("abc", v.get())
        self.root.globalsetvar("name", "value")
        self.assertEqual("value", v.get())

    def test_get_null(self):
        v = StringVar(self.root, "abc\x00def", "name")
        self.assertEqual("abc\x00def", v.get())
        self.root.globalsetvar("name", "val\x00ue")
        self.assertEqual("val\x00ue", v.get())


class TestIntVar(TestBase):

    def test_default(self):
        v = IntVar(self.root)
        self.assertEqual(0, v.get())

    def test_get(self):
        v = IntVar(self.root, 123, "name")
        self.assertEqual(123, v.get())
        self.root.globalsetvar("name", "345")
        self.assertEqual(345, v.get())
        self.root.globalsetvar("name", "876.5")
        self.assertEqual(876, v.get())

    def test_invalid_value(self):
        v = IntVar(self.root, name="name")
        self.root.globalsetvar("name", "value")
        with self.assertRaises((ValueError, TclError)):
            v.get()


class TestDoubleVar(TestBase):

    def test_default(self):
        v = DoubleVar(self.root)
        self.assertEqual(0.0, v.get())

    def test_get(self):
        v = DoubleVar(self.root, 1.23, "name")
        self.assertAlmostEqual(1.23, v.get())
        self.root.globalsetvar("name", "3.45")
        self.assertAlmostEqual(3.45, v.get())

    def test_get_from_int(self):
        v = DoubleVar(self.root, 1.23, "name")
        self.assertAlmostEqual(1.23, v.get())
        self.root.globalsetvar("name", "3.45")
        self.assertAlmostEqual(3.45, v.get())
        self.root.globalsetvar("name", "456")
        self.assertAlmostEqual(456, v.get())

    def test_invalid_value(self):
        v = DoubleVar(self.root, name="name")
        self.root.globalsetvar("name", "value")
        with self.assertRaises((ValueError, TclError)):
            v.get()


class TestBooleanVar(TestBase):

    def test_default(self):
        v = BooleanVar(self.root)
        self.assertIs(v.get(), False)

    def test_get(self):
        v = BooleanVar(self.root, True, "name")
        self.assertIs(v.get(), True)
        self.root.globalsetvar("name", "0")
        self.assertIs(v.get(), False)
        self.root.globalsetvar("name", 42 if self.root.wantobjects() else 1)
        self.assertIs(v.get(), True)
        self.root.globalsetvar("name", 0)
        self.assertIs(v.get(), False)
        self.root.globalsetvar("name", "on")
        self.assertIs(v.get(), True)

    def test_set(self):
        true = 1 if self.root.wantobjects() else "1"
        false = 0 if self.root.wantobjects() else "0"
        v = BooleanVar(self.root, name="name")
        v.set(True)
        self.assertEqual(self.root.globalgetvar("name"), true)
        v.set("0")
        self.assertEqual(self.root.globalgetvar("name"), false)
        v.set(42)
        self.assertEqual(self.root.globalgetvar("name"), true)
        v.set(0)
        self.assertEqual(self.root.globalgetvar("name"), false)
        v.set("on")
        self.assertEqual(self.root.globalgetvar("name"), true)

    def test_invalid_value_domain(self):
        false = 0 if self.root.wantobjects() else "0"
        v = BooleanVar(self.root, name="name")
        with self.assertRaises(TclError):
            v.set("value")
        self.assertEqual(self.root.globalgetvar("name"), false)
        self.root.globalsetvar("name", "value")
        with self.assertRaises(ValueError):
            v.get()
        self.root.globalsetvar("name", "1.0")
        with self.assertRaises(ValueError):
            v.get()


class DefaultRootTest(AbstractDefaultRootTest, unittest.TestCase):

    def test_variable(self):
        self.assertRaises(RuntimeError, Variable)
        root = tkinter.Tk()
        v = Variable()
        v.set("value")
        self.assertEqual(v.get(), "value")
        root.destroy()
        tkinter.NoDefaultRoot()
        self.assertRaises(RuntimeError, Variable)


if __name__ == "__main__":
    unittest.main()
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