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usr
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local
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src
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Python-3.9.9
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Lib
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tkinter
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test
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test_tkinter
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Filename :
test_font.py
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import unittest import tkinter from tkinter import font from test.support import requires, gc_collect, ALWAYS_EQ from tkinter.test.support import AbstractTkTest, AbstractDefaultRootTest requires('gui') fontname = "TkDefaultFont" class FontTest(AbstractTkTest, unittest.TestCase): @classmethod def setUpClass(cls): AbstractTkTest.setUpClass.__func__(cls) try: cls.font = font.Font(root=cls.root, name=fontname, exists=True) except tkinter.TclError: cls.font = font.Font(root=cls.root, name=fontname, exists=False) def test_configure(self): options = self.font.configure() self.assertGreaterEqual(set(options), {'family', 'size', 'weight', 'slant', 'underline', 'overstrike'}) for key in options: self.assertEqual(self.font.cget(key), options[key]) self.assertEqual(self.font[key], options[key]) for key in 'family', 'weight', 'slant': self.assertIsInstance(options[key], str) self.assertIsInstance(self.font.cget(key), str) self.assertIsInstance(self.font[key], str) sizetype = int if self.wantobjects else str for key in 'size', 'underline', 'overstrike': self.assertIsInstance(options[key], sizetype) self.assertIsInstance(self.font.cget(key), sizetype) self.assertIsInstance(self.font[key], sizetype) def test_unicode_family(self): family = 'MS \u30b4\u30b7\u30c3\u30af' try: f = font.Font(root=self.root, family=family, exists=True) except tkinter.TclError: f = font.Font(root=self.root, family=family, exists=False) self.assertEqual(f.cget('family'), family) del f gc_collect() def test_actual(self): options = self.font.actual() self.assertGreaterEqual(set(options), {'family', 'size', 'weight', 'slant', 'underline', 'overstrike'}) for key in options: self.assertEqual(self.font.actual(key), options[key]) for key in 'family', 'weight', 'slant': self.assertIsInstance(options[key], str) self.assertIsInstance(self.font.actual(key), str) sizetype = int if self.wantobjects else str for key in 'size', 'underline', 'overstrike': self.assertIsInstance(options[key], sizetype) self.assertIsInstance(self.font.actual(key), sizetype) def test_name(self): self.assertEqual(self.font.name, fontname) self.assertEqual(str(self.font), fontname) def test_equality(self): font1 = font.Font(root=self.root, name=fontname, exists=True) font2 = font.Font(root=self.root, name=fontname, exists=True) self.assertIsNot(font1, font2) self.assertEqual(font1, font2) self.assertNotEqual(font1, font1.copy()) self.assertNotEqual(font1, 0) self.assertEqual(font1, ALWAYS_EQ) root2 = tkinter.Tk() self.addCleanup(root2.destroy) font3 = font.Font(root=root2, name=fontname, exists=True) self.assertEqual(str(font1), str(font3)) self.assertNotEqual(font1, font3) def test_measure(self): self.assertIsInstance(self.font.measure('abc'), int) def test_metrics(self): metrics = self.font.metrics() self.assertGreaterEqual(set(metrics), {'ascent', 'descent', 'linespace', 'fixed'}) for key in metrics: self.assertEqual(self.font.metrics(key), metrics[key]) self.assertIsInstance(metrics[key], int) self.assertIsInstance(self.font.metrics(key), int) def test_families(self): families = font.families(self.root) self.assertIsInstance(families, tuple) self.assertTrue(families) for family in families: self.assertIsInstance(family, str) self.assertTrue(family) def test_names(self): names = font.names(self.root) self.assertIsInstance(names, tuple) self.assertTrue(names) for name in names: self.assertIsInstance(name, str) self.assertTrue(name) self.assertIn(fontname, names) class DefaultRootTest(AbstractDefaultRootTest, unittest.TestCase): def test_families(self): self.assertRaises(RuntimeError, font.families) root = tkinter.Tk() families = font.families() self.assertIsInstance(families, tuple) self.assertTrue(families) for family in families: self.assertIsInstance(family, str) self.assertTrue(family) root.destroy() tkinter.NoDefaultRoot() self.assertRaises(RuntimeError, font.families) def test_names(self): self.assertRaises(RuntimeError, font.names) root = tkinter.Tk() names = font.names() self.assertIsInstance(names, tuple) self.assertTrue(names) for name in names: self.assertIsInstance(name, str) self.assertTrue(name) self.assertIn(fontname, names) root.destroy() tkinter.NoDefaultRoot() self.assertRaises(RuntimeError, font.names) if __name__ == "__main__": unittest.main()