def test___eq__(self):
v1 = Variable(self.root, name='abc')
v2 = Variable(self.root, name='abc')
self.assertEqual(v1, v2)
v3 = Variable(self.root, name='abc')
v4 = StringVar(self.root, name='abc')
self.assertNotEqual(v3, v4)
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
self.assertFalse(self.info_exists('name'))
del v2
self.assertFalse(self.info_exists('name'))
def test___eq__(self):
# values doesn't matter, only class and name are checked
v1 = Variable(self.root, name="abc")
v2 = Variable(self.root, name="abc")
self.assertEqual(v1, v2)
v3 = Variable(self.root, name="abc")
v4 = StringVar(self.root, name="abc")
self.assertNotEqual(v3, v4)
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
self.assertFalse(self.info_exists("name"))
# shouldn't raise exception
del v2
self.assertFalse(self.info_exists("name"))
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.setvar('var\x00name', "value")
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
gc_collect()
self.assertFalse(self.info_exists("varname"))
def __init__(self,parent=None):
Frame.__init__(self,parent)
self.parent = parent
self.pack() # Pack.config(self) # same as self.pack()
ABC.make_widgets(self)
Button(self, text='Pop1', command=self.dialog1).pack()
enable = {'ID1050': 0, 'ID1106': 0, 'ID1104': 0, 'ID1102': 0}
for machine in enable:
enable[machine] = Variable()
l = Checkbutton(self, text=machine, variable=enable[machine])
l.pack()
self.pack()
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)
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')])
def test_invalid_name(self):
with self.assertRaises(TypeError):
Variable(self.root, name=123)
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_default(self):
v = Variable(self.root)
self.assertEqual("", v.get())
self.assertRegexpMatches(str(v), r"^PY_VAR(\d+)$")
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
self.assertFalse(self.info_exists('varname'))
def test_name_and_value(self):
v = Variable(self.root, 'sample string', 'varname')
self.assertEqual('sample string', v.get())
self.assertEqual('varname', str(v))
