import unittest import sys import tkinter from tkinter import ttk from tkinter import TclError from test import support from test.support import requires from test.test_tkinter.support import AbstractTkTest, get_tk_patchlevel requires('gui') CLASS_NAMES = [ '.', 'ComboboxPopdownFrame', 'Heading', 'Horizontal.TProgressbar', 'Horizontal.TScale', 'Item', 'Sash', 'TButton', 'TCheckbutton', 'TCombobox', 'TEntry', 'TLabelframe', 'TLabelframe.Label', 'TMenubutton', 'TNotebook', 'TNotebook.Tab', 'Toolbutton', 'TProgressbar', 'TRadiobutton', 'Treeview', 'TScale', 'TScrollbar', 'TSpinbox', 'Vertical.TProgressbar', 'Vertical.TScale' ] class StyleTest(AbstractTkTest, unittest.TestCase): def setUp(self): super().setUp() self.style = ttk.Style(self.root) def test_configure(self): style = self.style style.configure('TButton', background='yellow') self.assertEqual(style.configure('TButton', 'background'), 'yellow') self.assertIsInstance(style.configure('TButton'), dict) def test_map(self): style = self.style # Single state for states in ['active'], [('active',)]: with self.subTest(states=states): style.map('TButton', background=[(*states, 'white')]) expected = [('active', 'white')] self.assertEqual(style.map('TButton', 'background'), expected) m = style.map('TButton') self.assertIsInstance(m, dict) self.assertEqual(m['background'], expected) # Multiple states for states in ['pressed', '!disabled'], ['pressed !disabled'], [('pressed', '!disabled')]: with self.subTest(states=states): style.map('TButton', background=[(*states, 'black')]) expected = [('pressed', '!disabled', 'black')] self.assertEqual(style.map('TButton', 'background'), expected) m = style.map('TButton') self.assertIsInstance(m, dict) self.assertEqual(m['background'], expected) # Default state for states in [], [''], [()]: with self.subTest(states=states): style.map('TButton', background=[(*states, 'grey')]) expected = [('grey',)] self.assertEqual(style.map('TButton', 'background'), expected) m = style.map('TButton') self.assertIsInstance(m, dict) self.assertEqual(m['background'], expected) def test_lookup(self): style = self.style style.configure('TButton', background='yellow') style.map('TButton', background=[('active', 'background', 'blue')]) self.assertEqual(style.lookup('TButton', 'background'), 'yellow') self.assertEqual(style.lookup('TButton', 'background', ['active', 'background']), 'blue') self.assertEqual(style.lookup('TButton', 'optionnotdefined', default='iknewit'), 'iknewit') def test_layout(self): style = self.style self.assertRaises(tkinter.TclError, style.layout, 'NotALayout') tv_style = style.layout('Treeview') # "erase" Treeview layout style.layout('Treeview', '') self.assertEqual(style.layout('Treeview'), [('null', {'sticky': 'nswe'})] ) # restore layout style.layout('Treeview', tv_style) self.assertEqual(style.layout('Treeview'), tv_style) # should return a list self.assertIsInstance(style.layout('TButton'), list) # correct layout, but "option" doesn't exist as option self.assertRaises(tkinter.TclError, style.layout, 'Treeview', [('name', {'option': 'inexistent'})]) def test_theme_use(self): self.assertRaises(tkinter.TclError, self.style.theme_use, 'nonexistingname') curr_theme = self.style.theme_use() new_theme = None for theme in self.style.theme_names(): if theme != curr_theme: new_theme = theme self.style.theme_use(theme) break else: # just one theme available, can't go on with tests return self.assertFalse(curr_theme == new_theme) self.assertFalse(new_theme != self.style.theme_use()) self.style.theme_use(curr_theme) def test_configure_custom_copy(self): style = self.style curr_theme = self.style.theme_use() self.addCleanup(self.style.theme_use, curr_theme) for theme in self.style.theme_names(): self.style.theme_use(theme) for name in CLASS_NAMES: default = style.configure(name) if not default: continue with self.subTest(theme=theme, name=name): if support.verbose >= 2: print('configure', theme, name, default) if (theme in ('vista', 'xpnative') and sys.getwindowsversion()[:2] == (6, 1)): # Fails on the Windows 7 buildbot continue newname = f'C.{name}' self.assertEqual(style.configure(newname), None) style.configure(newname, **default) self.assertEqual(style.configure(newname), default) for key, value in default.items(): self.assertEqual(style.configure(newname, key), value) def test_map_custom_copy(self): style = self.style curr_theme = self.style.theme_use() self.addCleanup(self.style.theme_use, curr_theme) for theme in self.style.theme_names(): self.style.theme_use(theme) for name in CLASS_NAMES: default = style.map(name) if not default: continue with self.subTest(theme=theme, name=name): if support.verbose >= 2: print('map', theme, name, default) if (theme in ('vista', 'xpnative') and sys.getwindowsversion()[:2] == (6, 1)): # Fails on the Windows 7 buildbot continue newname = f'C.{name}' self.assertEqual(style.map(newname), {}) style.map(newname, **default) if theme == 'alt' and name == '.' and get_tk_patchlevel(self.root) < (8, 6, 1): default['embossed'] = [('disabled', '1')] self.assertEqual(style.map(newname), default) for key, value in default.items(): self.assertEqual(style.map(newname, key), value) def test_element_options(self): style = self.style element_names = style.element_names() self.assertNotIsInstance(element_names, str) for name in element_names: self.assertIsInstance(name, str) element_options = style.element_options(name) self.assertNotIsInstance(element_options, str) for optname in element_options: self.assertIsInstance(optname, str) def test_element_create_errors(self): style = self.style with self.assertRaises(TypeError): style.element_create('plain.newelem') with self.assertRaisesRegex(TclError, 'No such element type spam'): style.element_create('plain.newelem', 'spam') def test_element_create_from(self): style = self.style style.element_create('plain.background', 'from', 'default') self.assertIn('plain.background', style.element_names()) style.element_create('plain.arrow', 'from', 'default', 'rightarrow') self.assertIn('plain.arrow', style.element_names()) def test_element_create_from_errors(self): style = self.style with self.assertRaises(IndexError): style.element_create('plain.newelem', 'from') with self.assertRaisesRegex(TclError, 'theme "spam" doesn\'t exist'): style.element_create('plain.newelem', 'from', 'spam') def test_element_create_image(self): style = self.style image = tkinter.PhotoImage(master=self.root, width=12, height=10) style.element_create('block', 'image', image) self.assertIn('block', style.element_names()) style.layout('TestLabel1', [('block', {'sticky': 'news'})]) a = ttk.Label(self.root, style='TestLabel1') a.pack(expand=True, fill='both') self.assertEqual(a.winfo_reqwidth(), 12) self.assertEqual(a.winfo_reqheight(), 10) imgfile = support.findfile('python.xbm', subdir='tkinterdata') img1 = tkinter.BitmapImage(master=self.root, file=imgfile, foreground='yellow', background='blue') img2 = tkinter.BitmapImage(master=self.root, file=imgfile, foreground='blue', background='yellow') img3 = tkinter.BitmapImage(master=self.root, file=imgfile, foreground='white', background='black') style.element_create('TestButton.button', 'image', img1, ('pressed', img2), ('active', img3), border=(2, 4), sticky='we') self.assertIn('TestButton.button', style.element_names()) style.layout('TestButton', [('TestButton.button', {'sticky': 'news'})]) b = ttk.Button(self.root, style='TestButton') b.pack(expand=True, fill='both') self.assertEqual(b.winfo_reqwidth(), 16) self.assertEqual(b.winfo_reqheight(), 16) def test_element_create_image_errors(self): style = self.style image = tkinter.PhotoImage(master=self.root, width=10, height=10) with self.assertRaises(IndexError): style.element_create('block2', 'image') with self.assertRaises(TypeError): style.element_create('block2', 'image', image, 1) with self.assertRaises(ValueError): style.element_create('block2', 'image', image, ()) with self.assertRaisesRegex(TclError, 'Invalid state name'): style.element_create('block2', 'image', image, ('spam', image)) with self.assertRaisesRegex(TclError, 'Invalid state name'): style.element_create('block2', 'image', image, (1, image)) with self.assertRaises(TypeError): style.element_create('block2', 'image', image, ('pressed', 1, image)) with self.assertRaises(TypeError): style.element_create('block2', 'image', image, (1, 'selected', image)) with self.assertRaisesRegex(TclError, 'bad option'): style.element_create('block2', 'image', image, spam=1) def test_element_create_vsapi_1(self): style = self.style if 'xpnative' not in style.theme_names(): self.skipTest("requires 'xpnative' theme") style.element_create('smallclose', 'vsapi', 'WINDOW', 19, [ ('disabled', 4), ('pressed', 3), ('active', 2), ('', 1)]) style.layout('CloseButton', [('CloseButton.smallclose', {'sticky': 'news'})]) b = ttk.Button(self.root, style='CloseButton') b.pack(expand=True, fill='both') self.assertEqual(b.winfo_reqwidth(), 13) self.assertEqual(b.winfo_reqheight(), 13) def test_element_create_vsapi_2(self): style = self.style if 'xpnative' not in style.theme_names(): self.skipTest("requires 'xpnative' theme") style.element_create('pin', 'vsapi', 'EXPLORERBAR', 3, [ ('pressed', '!selected', 3), ('active', '!selected', 2), ('pressed', 'selected', 6), ('active', 'selected', 5), ('selected', 4), ('', 1)]) style.layout('Explorer.Pin', [('Explorer.Pin.pin', {'sticky': 'news'})]) pin = ttk.Checkbutton(self.root, style='Explorer.Pin') pin.pack(expand=True, fill='both') self.assertEqual(pin.winfo_reqwidth(), 16) self.assertEqual(pin.winfo_reqheight(), 16) def test_element_create_vsapi_3(self): style = self.style if 'xpnative' not in style.theme_names(): self.skipTest("requires 'xpnative' theme") style.element_create('headerclose', 'vsapi', 'EXPLORERBAR', 2, [ ('pressed', 3), ('active', 2), ('', 1)]) style.layout('Explorer.CloseButton', [('Explorer.CloseButton.headerclose', {'sticky': 'news'})]) b = ttk.Button(self.root, style='Explorer.CloseButton') b.pack(expand=True, fill='both') self.assertEqual(b.winfo_reqwidth(), 16) self.assertEqual(b.winfo_reqheight(), 16) def test_theme_create(self): style = self.style curr_theme = style.theme_use() curr_layout = style.layout('TLabel') style.theme_create('testtheme1') self.assertIn('testtheme1', style.theme_names()) style.theme_create('testtheme2', settings={ 'elem' : {'element create': ['from', 'default'],}, 'TLabel' : { 'configure': {'padding': 10}, 'layout': [('elem', {'sticky': 'we'})], }, }) self.assertIn('testtheme2', style.theme_names()) style.theme_create('testtheme3', 'testtheme2') self.assertIn('testtheme3', style.theme_names()) style.theme_use('testtheme1') self.assertEqual(style.element_names(), ()) self.assertEqual(style.layout('TLabel'), curr_layout) style.theme_use('testtheme2') self.assertEqual(style.element_names(), ('elem',)) self.assertEqual(style.lookup('TLabel', 'padding'), '10') self.assertEqual(style.layout('TLabel'), [('elem', {'sticky': 'we'})]) style.theme_use('testtheme3') self.assertEqual(style.element_names(), ()) self.assertEqual(style.lookup('TLabel', 'padding'), '') self.assertEqual(style.layout('TLabel'), [('elem', {'sticky': 'we'})]) style.theme_use(curr_theme) def test_theme_create_image(self): style = self.style curr_theme = style.theme_use() image = tkinter.PhotoImage(master=self.root, width=10, height=10) new_theme = 'testtheme4' style.theme_create(new_theme, settings={ 'block' : { 'element create': ['image', image, {'width': 120, 'height': 100}], }, 'TestWidget.block2' : { 'element create': ['image', image], }, 'TestWidget' : { 'configure': { 'anchor': 'left', 'padding': (3, 0, 0, 2), 'foreground': 'yellow', }, 'map': { 'foreground': [ ('pressed', 'red'), ('active', 'disabled', 'blue'), ], }, 'layout': [ ('TestWidget.block', {'sticky': 'we', 'side': 'left'}), ('TestWidget.border', { 'sticky': 'nsw', 'border': 1, 'children': [ ('TestWidget.block2', {'sticky': 'nswe'}) ] }) ], }, }) style.theme_use(new_theme) self.assertIn('block', style.element_names()) self.assertEqual(style.lookup('TestWidget', 'anchor'), 'left') self.assertEqual(style.lookup('TestWidget', 'padding'), '3 0 0 2') self.assertEqual(style.lookup('TestWidget', 'foreground'), 'yellow') self.assertEqual(style.lookup('TestWidget', 'foreground', ['active']), 'yellow') self.assertEqual(style.lookup('TestWidget', 'foreground', ['active', 'pressed']), 'red') self.assertEqual(style.lookup('TestWidget', 'foreground', ['active', 'disabled']), 'blue') self.assertEqual(style.layout('TestWidget'), [ ('TestWidget.block', {'side': 'left', 'sticky': 'we'}), ('TestWidget.border', { 'sticky': 'nsw', 'border': '1', 'children': [('TestWidget.block2', {'sticky': 'nswe'})] }) ]) b = ttk.Label(self.root, style='TestWidget') b.pack(expand=True, fill='both') self.assertEqual(b.winfo_reqwidth(), 134) self.assertEqual(b.winfo_reqheight(), 100) style.theme_use(curr_theme) def test_theme_create_vsapi(self): style = self.style if 'xpnative' not in style.theme_names(): self.skipTest("requires 'xpnative' theme") curr_theme = style.theme_use() new_theme = 'testtheme5' style.theme_create(new_theme, settings={ 'pin' : { 'element create': ['vsapi', 'EXPLORERBAR', 3, [ ('pressed', '!selected', 3), ('active', '!selected', 2), ('pressed', 'selected', 6), ('active', 'selected', 5), ('selected', 4), ('', 1)]], }, 'Explorer.Pin' : { 'layout': [('Explorer.Pin.pin', {'sticky': 'news'})], }, }) style.theme_use(new_theme) self.assertIn('pin', style.element_names()) self.assertEqual(style.layout('Explorer.Pin'), [('Explorer.Pin.pin', {'sticky': 'nswe'})]) pin = ttk.Checkbutton(self.root, style='Explorer.Pin') pin.pack(expand=True, fill='both') self.assertEqual(pin.winfo_reqwidth(), 16) self.assertEqual(pin.winfo_reqheight(), 16) style.theme_use(curr_theme) if __name__ == "__main__": unittest.main()