| Disable Functions: Path : /lib64/python2.7/lib-tk/test/test_ttk/ |
| Current File : //lib64/python2.7/lib-tk/test/test_ttk/test_widgets.py |
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('<ButtonPress-1>', x=width - 5, y=5)
self.combo.event_generate('<ButtonRelease-1>', x=width - 5, y=5)
self.combo.update_idletasks()
def test_virtual_event(self):
success = []
self.combo['values'] = [1]
self.combo.bind('<<ComboboxSelected>>',
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('<Return>')
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('<<RangeChanged>>', 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('<Unmap>', lambda evt: success.append(True))
self.nb.bind('<<NotebookTabChanged>>',
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('<Control-Tab>')
self.assertEqual(self.nb.select(), str(self.child2))
self.nb.focus_force()
self.nb.event_generate('<Shift-Control-Tab>')
self.assertEqual(self.nb.select(), str(self.child1))
self.nb.focus_force()
self.nb.event_generate('<Shift-Control-Tab>')
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('<Option-a>')
else:
self.nb.event_generate('<Alt-a>')
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', '<ButtonPress-1>',
lambda evt: events.append(1))
self.tv.tag_bind('call', '<ButtonRelease-1>',
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)