mirror of https://github.com/python/cpython
100 lines
3.1 KiB
Python
100 lines
3.1 KiB
Python
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import unittest
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import tkinter
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from tkinter import ttk
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from test.support import requires, run_unittest
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import tkinter.test.support as support
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requires('gui')
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class StyleTest(unittest.TestCase):
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def setUp(self):
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self.root = support.get_tk_root()
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self.style = ttk.Style(self.root)
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def tearDown(self):
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# As tests have shown, these tests are likely to deliver
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# <<ThemeChanged>> events after the root is destroyed, so
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# lets let them happen now.
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self.root.update_idletasks()
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self.root.destroy()
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def test_configure(self):
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style = self.style
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style.configure('TButton', background='yellow')
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self.failUnlessEqual(style.configure('TButton', 'background'),
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'yellow')
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self.failUnless(isinstance(style.configure('TButton'), dict))
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def test_map(self):
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style = self.style
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style.map('TButton', background=[('active', 'background', 'blue')])
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self.failUnlessEqual(style.map('TButton', 'background'),
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[('active', 'background', 'blue')])
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self.failUnless(isinstance(style.map('TButton'), dict))
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def test_lookup(self):
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style = self.style
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style.configure('TButton', background='yellow')
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style.map('TButton', background=[('active', 'background', 'blue')])
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self.failUnlessEqual(style.lookup('TButton', 'background'), 'yellow')
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self.failUnlessEqual(style.lookup('TButton', 'background',
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['active', 'background']), 'blue')
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self.failUnlessEqual(style.lookup('TButton', 'optionnotdefined',
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default='iknewit'), 'iknewit')
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def test_layout(self):
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style = self.style
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self.failUnlessRaises(tkinter.TclError, style.layout, 'NotALayout')
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tv_style = style.layout('Treeview')
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# "erase" Treeview layout
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style.layout('Treeview', '')
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self.failUnlessEqual(style.layout('Treeview'),
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[('null', {'sticky': 'nswe'})]
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)
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# restore layout
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style.layout('Treeview', tv_style)
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self.failUnlessEqual(style.layout('Treeview'), tv_style)
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# should return a list
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self.failUnless(isinstance(style.layout('TButton'), list))
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# correct layout, but "option" doesn't exist as option
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self.failUnlessRaises(tkinter.TclError, style.layout, 'Treeview',
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[('name', {'option': 'inexistant'})])
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def test_theme_use(self):
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self.failUnlessRaises(tkinter.TclError, self.style.theme_use,
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'nonexistingname')
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curr_theme = self.style.theme_use()
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new_theme = None
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for theme in self.style.theme_names():
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if theme != curr_theme:
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new_theme = theme
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self.style.theme_use(theme)
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break
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else:
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# just one theme available, can't go on with tests
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return
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self.failIf(curr_theme == new_theme)
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self.failIf(new_theme != self.style.theme_use())
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self.style.theme_use(curr_theme)
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tests_gui = (StyleTest, )
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if __name__ == "__main__":
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run_unittest(*tests_gui)
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