lib-python.2.7.lib-tk.test.test_ttk.test_widgets.py Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jython-standalone Show documentation
Show all versions of jython-standalone Show documentation
Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
The newest version!
import unittest
import Tkinter
import ttk
from test.test_support import requires, run_unittest
import sys
import support
from test_functions import MockTclObj, MockStateSpec
requires('gui')
class WidgetTest(unittest.TestCase):
"""Tests methods available in every ttk widget."""
def setUp(self):
support.root_deiconify()
self.widget = ttk.Button(width=0, text="Text")
self.widget.pack()
self.widget.wait_visibility()
def tearDown(self):
self.widget.destroy()
support.root_withdraw()
def test_identify(self):
self.widget.update_idletasks()
self.assertEqual(self.widget.identify(
int(self.widget.winfo_width() / 2),
int(self.widget.winfo_height() / 2)
), "label")
self.assertEqual(self.widget.identify(-1, -1), "")
self.assertRaises(Tkinter.TclError, self.widget.identify, None, 5)
self.assertRaises(Tkinter.TclError, self.widget.identify, 5, None)
self.assertRaises(Tkinter.TclError, self.widget.identify, 5, '')
def test_widget_state(self):
# XXX not sure about the portability of all these tests
self.assertEqual(self.widget.state(), ())
self.assertEqual(self.widget.instate(['!disabled']), True)
# changing from !disabled to disabled
self.assertEqual(self.widget.state(['disabled']), ('!disabled', ))
# no state change
self.assertEqual(self.widget.state(['disabled']), ())
# change back to !disable but also active
self.assertEqual(self.widget.state(['!disabled', 'active']),
('!active', 'disabled'))
# no state changes, again
self.assertEqual(self.widget.state(['!disabled', 'active']), ())
self.assertEqual(self.widget.state(['active', '!disabled']), ())
def test_cb(arg1, **kw):
return arg1, kw
self.assertEqual(self.widget.instate(['!disabled'],
test_cb, "hi", **{"msg": "there"}),
('hi', {'msg': 'there'}))
# attempt to set invalid statespec
currstate = self.widget.state()
self.assertRaises(Tkinter.TclError, self.widget.instate,
['badstate'])
self.assertRaises(Tkinter.TclError, self.widget.instate,
['disabled', 'badstate'])
# verify that widget didn't change its state
self.assertEqual(currstate, self.widget.state())
# ensuring that passing None as state doesn't modify current state
self.widget.state(['active', '!disabled'])
self.assertEqual(self.widget.state(), ('active', ))
class ButtonTest(unittest.TestCase):
def test_invoke(self):
success = []
btn = ttk.Button(command=lambda: success.append(1))
btn.invoke()
self.assertTrue(success)
class CheckbuttonTest(unittest.TestCase):
def test_invoke(self):
success = []
def cb_test():
success.append(1)
return "cb test called"
cbtn = ttk.Checkbutton(command=cb_test)
# the variable automatically created by ttk.Checkbutton is actually
# undefined till we invoke the Checkbutton
self.assertEqual(cbtn.state(), ('alternate', ))
self.assertRaises(Tkinter.TclError, cbtn.tk.globalgetvar,
cbtn['variable'])
res = cbtn.invoke()
self.assertEqual(res, "cb test called")
self.assertEqual(cbtn['onvalue'],
cbtn.tk.globalgetvar(cbtn['variable']))
self.assertTrue(success)
cbtn['command'] = ''
res = cbtn.invoke()
self.assertEqual(res, '')
self.assertFalse(len(success) > 1)
self.assertEqual(cbtn['offvalue'],
cbtn.tk.globalgetvar(cbtn['variable']))
class ComboboxTest(unittest.TestCase):
def setUp(self):
support.root_deiconify()
self.combo = ttk.Combobox()
def tearDown(self):
self.combo.destroy()
support.root_withdraw()
def _show_drop_down_listbox(self):
width = self.combo.winfo_width()
self.combo.event_generate('', x=width - 5, y=5)
self.combo.event_generate('', x=width - 5, y=5)
self.combo.update_idletasks()
def test_virtual_event(self):
success = []
self.combo['values'] = [1]
self.combo.bind('<>',
lambda evt: success.append(True))
self.combo.pack()
self.combo.wait_visibility()
height = self.combo.winfo_height()
self._show_drop_down_listbox()
self.combo.update()
self.combo.event_generate('')
self.combo.update()
self.assertTrue(success)
def test_postcommand(self):
success = []
self.combo['postcommand'] = lambda: success.append(True)
self.combo.pack()
self.combo.wait_visibility()
self._show_drop_down_listbox()
self.assertTrue(success)
# testing postcommand removal
self.combo['postcommand'] = ''
self._show_drop_down_listbox()
self.assertEqual(len(success), 1)
def test_values(self):
def check_get_current(getval, currval):
self.assertEqual(self.combo.get(), getval)
self.assertEqual(self.combo.current(), currval)
check_get_current('', -1)
self.combo['values'] = ['a', 1, 'c']
self.combo.set('c')
check_get_current('c', 2)
self.combo.current(0)
check_get_current('a', 0)
self.combo.set('d')
check_get_current('d', -1)
# testing values with empty string
self.combo.set('')
self.combo['values'] = (1, 2, '', 3)
check_get_current('', 2)
# testing values with empty string set through configure
self.combo.configure(values=[1, '', 2])
self.assertEqual(self.combo['values'], ('1', '', '2'))
# testing values with spaces
self.combo['values'] = ['a b', 'a\tb', 'a\nb']
self.assertEqual(self.combo['values'], ('a b', 'a\tb', 'a\nb'))
# testing values with special characters
self.combo['values'] = [r'a\tb', '"a"', '} {']
self.assertEqual(self.combo['values'], (r'a\tb', '"a"', '} {'))
# out of range
self.assertRaises(Tkinter.TclError, self.combo.current,
len(self.combo['values']))
# it expects an integer (or something that can be converted to int)
self.assertRaises(Tkinter.TclError, self.combo.current, '')
# testing creating combobox with empty string in values
combo2 = ttk.Combobox(values=[1, 2, ''])
self.assertEqual(combo2['values'], ('1', '2', ''))
combo2.destroy()
class EntryTest(unittest.TestCase):
def setUp(self):
support.root_deiconify()
self.entry = ttk.Entry()
def tearDown(self):
self.entry.destroy()
support.root_withdraw()
def test_bbox(self):
self.assertEqual(len(self.entry.bbox(0)), 4)
for item in self.entry.bbox(0):
self.assertTrue(isinstance(item, int))
self.assertRaises(Tkinter.TclError, self.entry.bbox, 'noindex')
self.assertRaises(Tkinter.TclError, self.entry.bbox, None)
def test_identify(self):
self.entry.pack()
self.entry.wait_visibility()
self.entry.update_idletasks()
self.assertEqual(self.entry.identify(5, 5), "textarea")
self.assertEqual(self.entry.identify(-1, -1), "")
self.assertRaises(Tkinter.TclError, self.entry.identify, None, 5)
self.assertRaises(Tkinter.TclError, self.entry.identify, 5, None)
self.assertRaises(Tkinter.TclError, self.entry.identify, 5, '')
def test_validation_options(self):
success = []
test_invalid = lambda: success.append(True)
self.entry['validate'] = 'none'
self.entry['validatecommand'] = lambda: False
self.entry['invalidcommand'] = test_invalid
self.entry.validate()
self.assertTrue(success)
self.entry['invalidcommand'] = ''
self.entry.validate()
self.assertEqual(len(success), 1)
self.entry['invalidcommand'] = test_invalid
self.entry['validatecommand'] = lambda: True
self.entry.validate()
self.assertEqual(len(success), 1)
self.entry['validatecommand'] = ''
self.entry.validate()
self.assertEqual(len(success), 1)
self.entry['validatecommand'] = True
self.assertRaises(Tkinter.TclError, self.entry.validate)
def test_validation(self):
validation = []
def validate(to_insert):
if not 'a' <= to_insert.lower() <= 'z':
validation.append(False)
return False
validation.append(True)
return True
self.entry['validate'] = 'key'
self.entry['validatecommand'] = self.entry.register(validate), '%S'
self.entry.insert('end', 1)
self.entry.insert('end', 'a')
self.assertEqual(validation, [False, True])
self.assertEqual(self.entry.get(), 'a')
def test_revalidation(self):
def validate(content):
for letter in content:
if not 'a' <= letter.lower() <= 'z':
return False
return True
self.entry['validatecommand'] = self.entry.register(validate), '%P'
self.entry.insert('end', 'avocado')
self.assertEqual(self.entry.validate(), True)
self.assertEqual(self.entry.state(), ())
self.entry.delete(0, 'end')
self.assertEqual(self.entry.get(), '')
self.entry.insert('end', 'a1b')
self.assertEqual(self.entry.validate(), False)
self.assertEqual(self.entry.state(), ('invalid', ))
self.entry.delete(1)
self.assertEqual(self.entry.validate(), True)
self.assertEqual(self.entry.state(), ())
class PanedwindowTest(unittest.TestCase):
def setUp(self):
support.root_deiconify()
self.paned = ttk.Panedwindow()
def tearDown(self):
self.paned.destroy()
support.root_withdraw()
def test_add(self):
# attempt to add a child that is not a direct child of the paned window
label = ttk.Label(self.paned)
child = ttk.Label(label)
self.assertRaises(Tkinter.TclError, self.paned.add, child)
label.destroy()
child.destroy()
# another attempt
label = ttk.Label()
child = ttk.Label(label)
self.assertRaises(Tkinter.TclError, self.paned.add, child)
child.destroy()
label.destroy()
good_child = ttk.Label()
self.paned.add(good_child)
# re-adding a child is not accepted
self.assertRaises(Tkinter.TclError, self.paned.add, good_child)
other_child = ttk.Label(self.paned)
self.paned.add(other_child)
self.assertEqual(self.paned.pane(0), self.paned.pane(1))
self.assertRaises(Tkinter.TclError, self.paned.pane, 2)
good_child.destroy()
other_child.destroy()
self.assertRaises(Tkinter.TclError, self.paned.pane, 0)
def test_forget(self):
self.assertRaises(Tkinter.TclError, self.paned.forget, None)
self.assertRaises(Tkinter.TclError, self.paned.forget, 0)
self.paned.add(ttk.Label())
self.paned.forget(0)
self.assertRaises(Tkinter.TclError, self.paned.forget, 0)
def test_insert(self):
self.assertRaises(Tkinter.TclError, self.paned.insert, None, 0)
self.assertRaises(Tkinter.TclError, self.paned.insert, 0, None)
self.assertRaises(Tkinter.TclError, self.paned.insert, 0, 0)
child = ttk.Label()
child2 = ttk.Label()
child3 = ttk.Label()
self.assertRaises(Tkinter.TclError, self.paned.insert, 0, child)
self.paned.insert('end', child2)
self.paned.insert(0, child)
self.assertEqual(self.paned.panes(), (str(child), str(child2)))
self.paned.insert(0, child2)
self.assertEqual(self.paned.panes(), (str(child2), str(child)))
self.paned.insert('end', child3)
self.assertEqual(self.paned.panes(),
(str(child2), str(child), str(child3)))
# reinserting a child should move it to its current position
panes = self.paned.panes()
self.paned.insert('end', child3)
self.assertEqual(panes, self.paned.panes())
# moving child3 to child2 position should result in child2 ending up
# in previous child position and child ending up in previous child3
# position
self.paned.insert(child2, child3)
self.assertEqual(self.paned.panes(),
(str(child3), str(child2), str(child)))
def test_pane(self):
self.assertRaises(Tkinter.TclError, self.paned.pane, 0)
child = ttk.Label()
self.paned.add(child)
self.assertTrue(isinstance(self.paned.pane(0), dict))
self.assertEqual(self.paned.pane(0, weight=None), 0)
# newer form for querying a single option
self.assertEqual(self.paned.pane(0, 'weight'), 0)
self.assertEqual(self.paned.pane(0), self.paned.pane(str(child)))
self.assertRaises(Tkinter.TclError, self.paned.pane, 0,
badoption='somevalue')
def test_sashpos(self):
self.assertRaises(Tkinter.TclError, self.paned.sashpos, None)
self.assertRaises(Tkinter.TclError, self.paned.sashpos, '')
self.assertRaises(Tkinter.TclError, self.paned.sashpos, 0)
child = ttk.Label(self.paned, text='a')
self.paned.add(child, weight=1)
self.assertRaises(Tkinter.TclError, self.paned.sashpos, 0)
child2 = ttk.Label(self.paned, text='b')
self.paned.add(child2)
self.assertRaises(Tkinter.TclError, self.paned.sashpos, 1)
self.paned.pack(expand=True, fill='both')
self.paned.wait_visibility()
curr_pos = self.paned.sashpos(0)
self.paned.sashpos(0, 1000)
self.assertTrue(curr_pos != self.paned.sashpos(0))
self.assertTrue(isinstance(self.paned.sashpos(0), int))
class RadiobuttonTest(unittest.TestCase):
def test_invoke(self):
success = []
def cb_test():
success.append(1)
return "cb test called"
myvar = Tkinter.IntVar()
cbtn = ttk.Radiobutton(command=cb_test, variable=myvar, value=0)
cbtn2 = ttk.Radiobutton(command=cb_test, variable=myvar, value=1)
res = cbtn.invoke()
self.assertEqual(res, "cb test called")
self.assertEqual(cbtn['value'], myvar.get())
self.assertEqual(myvar.get(),
cbtn.tk.globalgetvar(cbtn['variable']))
self.assertTrue(success)
cbtn2['command'] = ''
res = cbtn2.invoke()
self.assertEqual(res, '')
self.assertFalse(len(success) > 1)
self.assertEqual(cbtn2['value'], myvar.get())
self.assertEqual(myvar.get(),
cbtn.tk.globalgetvar(cbtn['variable']))
self.assertEqual(str(cbtn['variable']), str(cbtn2['variable']))
class ScaleTest(unittest.TestCase):
def setUp(self):
support.root_deiconify()
self.scale = ttk.Scale()
self.scale.pack()
self.scale.update()
def tearDown(self):
self.scale.destroy()
support.root_withdraw()
def test_custom_event(self):
failure = [1, 1, 1] # will need to be empty
funcid = self.scale.bind('<>', lambda evt: failure.pop())
self.scale['from'] = 10
self.scale['from_'] = 10
self.scale['to'] = 3
self.assertFalse(failure)
failure = [1, 1, 1]
self.scale.configure(from_=2, to=5)
self.scale.configure(from_=0, to=-2)
self.scale.configure(to=10)
self.assertFalse(failure)
def test_get(self):
scale_width = self.scale.winfo_width()
self.assertEqual(self.scale.get(scale_width, 0), self.scale['to'])
self.assertEqual(self.scale.get(0, 0), self.scale['from'])
self.assertEqual(self.scale.get(), self.scale['value'])
self.scale['value'] = 30
self.assertEqual(self.scale.get(), self.scale['value'])
self.assertRaises(Tkinter.TclError, self.scale.get, '', 0)
self.assertRaises(Tkinter.TclError, self.scale.get, 0, '')
def test_set(self):
# set restricts the max/min values according to the current range
max = self.scale['to']
new_max = max + 10
self.scale.set(new_max)
self.assertEqual(self.scale.get(), max)
min = self.scale['from']
self.scale.set(min - 1)
self.assertEqual(self.scale.get(), min)
# changing directly the variable doesn't impose this limitation tho
var = Tkinter.DoubleVar()
self.scale['variable'] = var
var.set(max + 5)
self.assertEqual(self.scale.get(), var.get())
self.assertEqual(self.scale.get(), max + 5)
del var
# the same happens with the value option
self.scale['value'] = max + 10
self.assertEqual(self.scale.get(), max + 10)
self.assertEqual(self.scale.get(), self.scale['value'])
# nevertheless, note that the max/min values we can get specifying
# x, y coords are the ones according to the current range
self.assertEqual(self.scale.get(0, 0), min)
self.assertEqual(self.scale.get(self.scale.winfo_width(), 0), max)
self.assertRaises(Tkinter.TclError, self.scale.set, None)
class NotebookTest(unittest.TestCase):
def setUp(self):
support.root_deiconify()
self.nb = ttk.Notebook(padding=0)
self.child1 = ttk.Label()
self.child2 = ttk.Label()
self.nb.add(self.child1, text='a')
self.nb.add(self.child2, text='b')
def tearDown(self):
self.child1.destroy()
self.child2.destroy()
self.nb.destroy()
support.root_withdraw()
def test_tab_identifiers(self):
self.nb.forget(0)
self.nb.hide(self.child2)
self.assertRaises(Tkinter.TclError, self.nb.tab, self.child1)
self.assertEqual(self.nb.index('end'), 1)
self.nb.add(self.child2)
self.assertEqual(self.nb.index('end'), 1)
self.nb.select(self.child2)
self.assertTrue(self.nb.tab('current'))
self.nb.add(self.child1, text='a')
self.nb.pack()
self.nb.wait_visibility()
if sys.platform == 'darwin':
tb_idx = "@20,5"
else:
tb_idx = "@5,5"
self.assertEqual(self.nb.tab(tb_idx), self.nb.tab('current'))
for i in range(5, 100, 5):
try:
if self.nb.tab('@%d, 5' % i, text=None) == 'a':
break
except Tkinter.TclError:
pass
else:
self.fail("Tab with text 'a' not found")
def test_add_and_hidden(self):
self.assertRaises(Tkinter.TclError, self.nb.hide, -1)
self.assertRaises(Tkinter.TclError, self.nb.hide, 'hi')
self.assertRaises(Tkinter.TclError, self.nb.hide, None)
self.assertRaises(Tkinter.TclError, self.nb.add, None)
self.assertRaises(Tkinter.TclError, self.nb.add, ttk.Label(),
unknown='option')
tabs = self.nb.tabs()
self.nb.hide(self.child1)
self.nb.add(self.child1)
self.assertEqual(self.nb.tabs(), tabs)
child = ttk.Label()
self.nb.add(child, text='c')
tabs = self.nb.tabs()
curr = self.nb.index('current')
# verify that the tab gets readded at its previous position
child2_index = self.nb.index(self.child2)
self.nb.hide(self.child2)
self.nb.add(self.child2)
self.assertEqual(self.nb.tabs(), tabs)
self.assertEqual(self.nb.index(self.child2), child2_index)
self.assertTrue(str(self.child2) == self.nb.tabs()[child2_index])
# but the tab next to it (not hidden) is the one selected now
self.assertEqual(self.nb.index('current'), curr + 1)
def test_forget(self):
self.assertRaises(Tkinter.TclError, self.nb.forget, -1)
self.assertRaises(Tkinter.TclError, self.nb.forget, 'hi')
self.assertRaises(Tkinter.TclError, self.nb.forget, None)
tabs = self.nb.tabs()
child1_index = self.nb.index(self.child1)
self.nb.forget(self.child1)
self.assertFalse(str(self.child1) in self.nb.tabs())
self.assertEqual(len(tabs) - 1, len(self.nb.tabs()))
self.nb.add(self.child1)
self.assertEqual(self.nb.index(self.child1), 1)
self.assertFalse(child1_index == self.nb.index(self.child1))
def test_index(self):
self.assertRaises(Tkinter.TclError, self.nb.index, -1)
self.assertRaises(Tkinter.TclError, self.nb.index, None)
self.assertTrue(isinstance(self.nb.index('end'), int))
self.assertEqual(self.nb.index(self.child1), 0)
self.assertEqual(self.nb.index(self.child2), 1)
self.assertEqual(self.nb.index('end'), 2)
def test_insert(self):
# moving tabs
tabs = self.nb.tabs()
self.nb.insert(1, tabs[0])
self.assertEqual(self.nb.tabs(), (tabs[1], tabs[0]))
self.nb.insert(self.child1, self.child2)
self.assertEqual(self.nb.tabs(), tabs)
self.nb.insert('end', self.child1)
self.assertEqual(self.nb.tabs(), (tabs[1], tabs[0]))
self.nb.insert('end', 0)
self.assertEqual(self.nb.tabs(), tabs)
# bad moves
self.assertRaises(Tkinter.TclError, self.nb.insert, 2, tabs[0])
self.assertRaises(Tkinter.TclError, self.nb.insert, -1, tabs[0])
# new tab
child3 = ttk.Label()
self.nb.insert(1, child3)
self.assertEqual(self.nb.tabs(), (tabs[0], str(child3), tabs[1]))
self.nb.forget(child3)
self.assertEqual(self.nb.tabs(), tabs)
self.nb.insert(self.child1, child3)
self.assertEqual(self.nb.tabs(), (str(child3), ) + tabs)
self.nb.forget(child3)
self.assertRaises(Tkinter.TclError, self.nb.insert, 2, child3)
self.assertRaises(Tkinter.TclError, self.nb.insert, -1, child3)
# bad inserts
self.assertRaises(Tkinter.TclError, self.nb.insert, 'end', None)
self.assertRaises(Tkinter.TclError, self.nb.insert, None, 0)
self.assertRaises(Tkinter.TclError, self.nb.insert, None, None)
def test_select(self):
self.nb.pack()
self.nb.wait_visibility()
success = []
tab_changed = []
self.child1.bind('', lambda evt: success.append(True))
self.nb.bind('<>',
lambda evt: tab_changed.append(True))
self.assertEqual(self.nb.select(), str(self.child1))
self.nb.select(self.child2)
self.assertTrue(success)
self.assertEqual(self.nb.select(), str(self.child2))
self.nb.update()
self.assertTrue(tab_changed)
def test_tab(self):
self.assertRaises(Tkinter.TclError, self.nb.tab, -1)
self.assertRaises(Tkinter.TclError, self.nb.tab, 'notab')
self.assertRaises(Tkinter.TclError, self.nb.tab, None)
self.assertTrue(isinstance(self.nb.tab(self.child1), dict))
self.assertEqual(self.nb.tab(self.child1, text=None), 'a')
# newer form for querying a single option
self.assertEqual(self.nb.tab(self.child1, 'text'), 'a')
self.nb.tab(self.child1, text='abc')
self.assertEqual(self.nb.tab(self.child1, text=None), 'abc')
self.assertEqual(self.nb.tab(self.child1, 'text'), 'abc')
def test_tabs(self):
self.assertEqual(len(self.nb.tabs()), 2)
self.nb.forget(self.child1)
self.nb.forget(self.child2)
self.assertEqual(self.nb.tabs(), ())
def test_traversal(self):
self.nb.pack()
self.nb.wait_visibility()
self.nb.select(0)
support.simulate_mouse_click(self.nb, 5, 5)
self.nb.focus_force()
self.nb.event_generate('')
self.assertEqual(self.nb.select(), str(self.child2))
self.nb.focus_force()
self.nb.event_generate('')
self.assertEqual(self.nb.select(), str(self.child1))
self.nb.focus_force()
self.nb.event_generate('')
self.assertEqual(self.nb.select(), str(self.child2))
self.nb.tab(self.child1, text='a', underline=0)
self.nb.enable_traversal()
self.nb.focus_force()
support.simulate_mouse_click(self.nb, 5, 5)
if sys.platform == 'darwin':
self.nb.event_generate('')
else:
self.nb.event_generate('')
self.assertEqual(self.nb.select(), str(self.child1))
class TreeviewTest(unittest.TestCase):
def setUp(self):
support.root_deiconify()
self.tv = ttk.Treeview(padding=0)
def tearDown(self):
self.tv.destroy()
support.root_withdraw()
def test_bbox(self):
self.tv.pack()
self.assertEqual(self.tv.bbox(''), '')
self.tv.wait_visibility()
self.tv.update()
item_id = self.tv.insert('', 'end')
children = self.tv.get_children()
self.assertTrue(children)
bbox = self.tv.bbox(children[0])
self.assertEqual(len(bbox), 4)
self.assertTrue(isinstance(bbox, tuple))
for item in bbox:
if not isinstance(item, int):
self.fail("Invalid bounding box: %s" % bbox)
break
# compare width in bboxes
self.tv['columns'] = ['test']
self.tv.column('test', width=50)
bbox_column0 = self.tv.bbox(children[0], 0)
root_width = self.tv.column('#0', width=None)
self.assertEqual(bbox_column0[0], bbox[0] + root_width)
# verify that bbox of a closed item is the empty string
child1 = self.tv.insert(item_id, 'end')
self.assertEqual(self.tv.bbox(child1), '')
def test_children(self):
# no children yet, should get an empty tuple
self.assertEqual(self.tv.get_children(), ())
item_id = self.tv.insert('', 'end')
self.assertTrue(isinstance(self.tv.get_children(), tuple))
self.assertEqual(self.tv.get_children()[0], item_id)
# add item_id and child3 as children of child2
child2 = self.tv.insert('', 'end')
child3 = self.tv.insert('', 'end')
self.tv.set_children(child2, item_id, child3)
self.assertEqual(self.tv.get_children(child2), (item_id, child3))
# child3 has child2 as parent, thus trying to set child2 as a children
# of child3 should result in an error
self.assertRaises(Tkinter.TclError,
self.tv.set_children, child3, child2)
# remove child2 children
self.tv.set_children(child2)
self.assertEqual(self.tv.get_children(child2), ())
# remove root's children
self.tv.set_children('')
self.assertEqual(self.tv.get_children(), ())
def test_column(self):
# return a dict with all options/values
self.assertTrue(isinstance(self.tv.column('#0'), dict))
# return a single value of the given option
self.assertTrue(isinstance(self.tv.column('#0', width=None), int))
# set a new value for an option
self.tv.column('#0', width=10)
# testing new way to get option value
self.assertEqual(self.tv.column('#0', 'width'), 10)
self.assertEqual(self.tv.column('#0', width=None), 10)
# check read-only option
self.assertRaises(Tkinter.TclError, self.tv.column, '#0', id='X')
self.assertRaises(Tkinter.TclError, self.tv.column, 'invalid')
invalid_kws = [
{'unknown_option': 'some value'}, {'stretch': 'wrong'},
{'anchor': 'wrong'}, {'width': 'wrong'}, {'minwidth': 'wrong'}
]
for kw in invalid_kws:
self.assertRaises(Tkinter.TclError, self.tv.column, '#0',
**kw)
def test_delete(self):
self.assertRaises(Tkinter.TclError, self.tv.delete, '#0')
item_id = self.tv.insert('', 'end')
item2 = self.tv.insert(item_id, 'end')
self.assertEqual(self.tv.get_children(), (item_id, ))
self.assertEqual(self.tv.get_children(item_id), (item2, ))
self.tv.delete(item_id)
self.assertFalse(self.tv.get_children())
# reattach should fail
self.assertRaises(Tkinter.TclError,
self.tv.reattach, item_id, '', 'end')
# test multiple item delete
item1 = self.tv.insert('', 'end')
item2 = self.tv.insert('', 'end')
self.assertEqual(self.tv.get_children(), (item1, item2))
self.tv.delete(item1, item2)
self.assertFalse(self.tv.get_children())
def test_detach_reattach(self):
item_id = self.tv.insert('', 'end')
item2 = self.tv.insert(item_id, 'end')
# calling detach without items is valid, although it does nothing
prev = self.tv.get_children()
self.tv.detach() # this should do nothing
self.assertEqual(prev, self.tv.get_children())
self.assertEqual(self.tv.get_children(), (item_id, ))
self.assertEqual(self.tv.get_children(item_id), (item2, ))
# detach item with children
self.tv.detach(item_id)
self.assertFalse(self.tv.get_children())
# reattach item with children
self.tv.reattach(item_id, '', 'end')
self.assertEqual(self.tv.get_children(), (item_id, ))
self.assertEqual(self.tv.get_children(item_id), (item2, ))
# move a children to the root
self.tv.move(item2, '', 'end')
self.assertEqual(self.tv.get_children(), (item_id, item2))
self.assertEqual(self.tv.get_children(item_id), ())
# bad values
self.assertRaises(Tkinter.TclError,
self.tv.reattach, 'nonexistent', '', 'end')
self.assertRaises(Tkinter.TclError,
self.tv.detach, 'nonexistent')
self.assertRaises(Tkinter.TclError,
self.tv.reattach, item2, 'otherparent', 'end')
self.assertRaises(Tkinter.TclError,
self.tv.reattach, item2, '', 'invalid')
# multiple detach
self.tv.detach(item_id, item2)
self.assertEqual(self.tv.get_children(), ())
self.assertEqual(self.tv.get_children(item_id), ())
def test_exists(self):
self.assertEqual(self.tv.exists('something'), False)
self.assertEqual(self.tv.exists(''), True)
self.assertEqual(self.tv.exists({}), False)
# the following will make a tk.call equivalent to
# tk.call(treeview, "exists") which should result in an error
# in the tcl interpreter since tk requires an item.
self.assertRaises(Tkinter.TclError, self.tv.exists, None)
def test_focus(self):
# nothing is focused right now
self.assertEqual(self.tv.focus(), '')
item1 = self.tv.insert('', 'end')
self.tv.focus(item1)
self.assertEqual(self.tv.focus(), item1)
self.tv.delete(item1)
self.assertEqual(self.tv.focus(), '')
# try focusing inexistent item
self.assertRaises(Tkinter.TclError, self.tv.focus, 'hi')
def test_heading(self):
# check a dict is returned
self.assertTrue(isinstance(self.tv.heading('#0'), dict))
# check a value is returned
self.tv.heading('#0', text='hi')
self.assertEqual(self.tv.heading('#0', 'text'), 'hi')
self.assertEqual(self.tv.heading('#0', text=None), 'hi')
# invalid option
self.assertRaises(Tkinter.TclError, self.tv.heading, '#0',
background=None)
# invalid value
self.assertRaises(Tkinter.TclError, self.tv.heading, '#0',
anchor=1)
# XXX skipping for now; should be fixed to work with newer ttk
@unittest.skip("skipping pending resolution of Issue #10734")
def test_heading_callback(self):
def simulate_heading_click(x, y):
support.simulate_mouse_click(self.tv, x, y)
self.tv.update_idletasks()
success = [] # no success for now
self.tv.pack()
self.tv.wait_visibility()
self.tv.heading('#0', command=lambda: success.append(True))
self.tv.column('#0', width=100)
self.tv.update()
# assuming that the coords (5, 5) fall into heading #0
simulate_heading_click(5, 5)
if not success:
self.fail("The command associated to the treeview heading wasn't "
"invoked.")
success = []
commands = self.tv.master._tclCommands
self.tv.heading('#0', command=str(self.tv.heading('#0', command=None)))
self.assertEqual(commands, self.tv.master._tclCommands)
simulate_heading_click(5, 5)
if not success:
self.fail("The command associated to the treeview heading wasn't "
"invoked.")
# XXX The following raises an error in a tcl interpreter, but not in
# Python
#self.tv.heading('#0', command='I dont exist')
#simulate_heading_click(5, 5)
def test_index(self):
# item 'what' doesn't exist
self.assertRaises(Tkinter.TclError, self.tv.index, 'what')
self.assertEqual(self.tv.index(''), 0)
item1 = self.tv.insert('', 'end')
item2 = self.tv.insert('', 'end')
c1 = self.tv.insert(item1, 'end')
c2 = self.tv.insert(item1, 'end')
self.assertEqual(self.tv.index(item1), 0)
self.assertEqual(self.tv.index(c1), 0)
self.assertEqual(self.tv.index(c2), 1)
self.assertEqual(self.tv.index(item2), 1)
self.tv.move(item2, '', 0)
self.assertEqual(self.tv.index(item2), 0)
self.assertEqual(self.tv.index(item1), 1)
# check that index still works even after its parent and siblings
# have been detached
self.tv.detach(item1)
self.assertEqual(self.tv.index(c2), 1)
self.tv.detach(c1)
self.assertEqual(self.tv.index(c2), 0)
# but it fails after item has been deleted
self.tv.delete(item1)
self.assertRaises(Tkinter.TclError, self.tv.index, c2)
def test_insert_item(self):
# parent 'none' doesn't exist
self.assertRaises(Tkinter.TclError, self.tv.insert, 'none', 'end')
# open values
self.assertRaises(Tkinter.TclError, self.tv.insert, '', 'end',
open='')
self.assertRaises(Tkinter.TclError, self.tv.insert, '', 'end',
open='please')
self.assertFalse(self.tv.delete(self.tv.insert('', 'end', open=True)))
self.assertFalse(self.tv.delete(self.tv.insert('', 'end', open=False)))
# invalid index
self.assertRaises(Tkinter.TclError, self.tv.insert, '', 'middle')
# trying to duplicate item id is invalid
itemid = self.tv.insert('', 'end', 'first-item')
self.assertEqual(itemid, 'first-item')
self.assertRaises(Tkinter.TclError, self.tv.insert, '', 'end',
'first-item')
self.assertRaises(Tkinter.TclError, self.tv.insert, '', 'end',
MockTclObj('first-item'))
# unicode values
value = u'\xe1ba'
item = self.tv.insert('', 'end', values=(value, ))
self.assertEqual(self.tv.item(item, 'values'), (value, ))
self.assertEqual(self.tv.item(item, values=None), (value, ))
self.tv.item(item, values=list(self.tv.item(item, values=None)))
self.assertEqual(self.tv.item(item, values=None), (value, ))
self.assertTrue(isinstance(self.tv.item(item), dict))
# erase item values
self.tv.item(item, values='')
self.assertFalse(self.tv.item(item, values=None))
# item tags
item = self.tv.insert('', 'end', tags=[1, 2, value])
self.assertEqual(self.tv.item(item, tags=None), ('1', '2', value))
self.tv.item(item, tags=[])
self.assertFalse(self.tv.item(item, tags=None))
self.tv.item(item, tags=(1, 2))
self.assertEqual(self.tv.item(item, tags=None), ('1', '2'))
# values with spaces
item = self.tv.insert('', 'end', values=('a b c',
'%s %s' % (value, value)))
self.assertEqual(self.tv.item(item, values=None),
('a b c', '%s %s' % (value, value)))
# text
self.assertEqual(self.tv.item(
self.tv.insert('', 'end', text="Label here"), text=None),
"Label here")
self.assertEqual(self.tv.item(
self.tv.insert('', 'end', text=value), text=None),
value)
def test_set(self):
self.tv['columns'] = ['A', 'B']
item = self.tv.insert('', 'end', values=['a', 'b'])
self.assertEqual(self.tv.set(item), {'A': 'a', 'B': 'b'})
self.tv.set(item, 'B', 'a')
self.assertEqual(self.tv.item(item, values=None), ('a', 'a'))
self.tv['columns'] = ['B']
self.assertEqual(self.tv.set(item), {'B': 'a'})
self.tv.set(item, 'B', 'b')
self.assertEqual(self.tv.set(item, column='B'), 'b')
self.assertEqual(self.tv.item(item, values=None), ('b', 'a'))
self.tv.set(item, 'B', 123)
self.assertEqual(self.tv.set(item, 'B'), 123)
self.assertEqual(self.tv.item(item, values=None), (123, 'a'))
self.assertEqual(self.tv.set(item), {'B': 123})
# inexistent column
self.assertRaises(Tkinter.TclError, self.tv.set, item, 'A')
self.assertRaises(Tkinter.TclError, self.tv.set, item, 'A', 'b')
# inexistent item
self.assertRaises(Tkinter.TclError, self.tv.set, 'notme')
def test_tag_bind(self):
events = []
item1 = self.tv.insert('', 'end', tags=['call'])
item2 = self.tv.insert('', 'end', tags=['call'])
self.tv.tag_bind('call', '',
lambda evt: events.append(1))
self.tv.tag_bind('call', '',
lambda evt: events.append(2))
self.tv.pack()
self.tv.wait_visibility()
self.tv.update()
pos_y = set()
found = set()
for i in range(0, 100, 10):
if len(found) == 2: # item1 and item2 already found
break
item_id = self.tv.identify_row(i)
if item_id and item_id not in found:
pos_y.add(i)
found.add(item_id)
self.assertEqual(len(pos_y), 2) # item1 and item2 y pos
for y in pos_y:
support.simulate_mouse_click(self.tv, 0, y)
# by now there should be 4 things in the events list, since each
# item had a bind for two events that were simulated above
self.assertEqual(len(events), 4)
for evt in zip(events[::2], events[1::2]):
self.assertEqual(evt, (1, 2))
def test_tag_configure(self):
# Just testing parameter passing for now
self.assertRaises(TypeError, self.tv.tag_configure)
self.assertRaises(Tkinter.TclError, self.tv.tag_configure,
'test', sky='blue')
self.tv.tag_configure('test', foreground='blue')
self.assertEqual(str(self.tv.tag_configure('test', 'foreground')),
'blue')
self.assertEqual(str(self.tv.tag_configure('test', foreground=None)),
'blue')
self.assertTrue(isinstance(self.tv.tag_configure('test'), dict))
tests_gui = (
WidgetTest, ButtonTest, CheckbuttonTest, RadiobuttonTest,
ComboboxTest, EntryTest, PanedwindowTest, ScaleTest, NotebookTest,
TreeviewTest
)
if __name__ == "__main__":
run_unittest(*tests_gui)
© 2015 - 2025 Weber Informatics LLC | Privacy Policy