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Issue #15133: _tkinter.tkapp.getboolean() now supports Tcl_Obj and always

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returns bool.  tkinter.BooleanVar now validates input values (accepted bool,
int, str, and Tcl_Obj).  tkinter.BooleanVar.get() now always returns bool.
This commit is contained in:
Serhiy Storchaka 2015-04-04 12:44:30 +03:00
commit 06e66108c6
6 changed files with 58 additions and 17 deletions
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34
Lib/tkinter/test/test_tkinter/test_variables.py
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@ -1,6 +1,7 @@
import unittest
from tkinter import Variable, StringVar, IntVar, DoubleVar, BooleanVar, Tcl
from tkinter import (Variable, StringVar, IntVar, DoubleVar, BooleanVar, Tcl,
TclError)
class Var(Variable):
@ -159,16 +160,41 @@ class TestBooleanVar(TestBase):
def test_default(self):
v = BooleanVar(self.root)
self.assertEqual(False, v.get())
self.assertIs(v.get(), False)
def test_get(self):
v = BooleanVar(self.root, True, "name")
self.assertAlmostEqual(True, v.get())
self.assertIs(v.get(), True)
self.root.globalsetvar("name", "0")
self.assertAlmostEqual(False, v.get())
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()