summaryrefslogtreecommitdiffstats
path: root/Lib/tkinter/test/test_tkinter/test_variables.py
diff options
context:
space:
mode:
Diffstat (limited to 'Lib/tkinter/test/test_tkinter/test_variables.py')
-rw-r--r--Lib/tkinter/test/test_tkinter/test_variables.py342
1 files changed, 0 insertions, 342 deletions
diff --git a/Lib/tkinter/test/test_tkinter/test_variables.py b/Lib/tkinter/test/test_tkinter/test_variables.py
deleted file mode 100644
index 427e168..0000000
--- a/Lib/tkinter/test/test_tkinter/test_variables.py
+++ /dev/null
@@ -1,342 +0,0 @@
-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()
generated by cgit v0.12 at 2025-09-25 22:19:22 (GMT)