import unittest import tkinter from tkinter import ttk from test.support import requires, run_unittest import tkinter.test.support as support from tkinter.test.test_ttk.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')) # 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() self.assertEqual(self.nb.tab('@5,5'), self.nb.tab('current')) for i in range(5, 100, 5): if self.nb.tab('@%d, 5' % i, text=None) == 'a': break 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) 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) 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 = '\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)