1import unittest 2import tkinter 3from tkinter import font 4from test.support import requires, run_unittest 5from tkinter.test.support import AbstractTkTest 6 7requires('gui') 8 9fontname = "TkDefaultFont" 10 11class FontTest(AbstractTkTest, unittest.TestCase): 12 13 @classmethod 14 def setUpClass(cls): 15 AbstractTkTest.setUpClass.__func__(cls) 16 try: 17 cls.font = font.Font(root=cls.root, name=fontname, exists=True) 18 except tkinter.TclError: 19 cls.font = font.Font(root=cls.root, name=fontname, exists=False) 20 21 def test_configure(self): 22 options = self.font.configure() 23 self.assertGreaterEqual(set(options), 24 {'family', 'size', 'weight', 'slant', 'underline', 'overstrike'}) 25 for key in options: 26 self.assertEqual(self.font.cget(key), options[key]) 27 self.assertEqual(self.font[key], options[key]) 28 for key in 'family', 'weight', 'slant': 29 self.assertIsInstance(options[key], str) 30 self.assertIsInstance(self.font.cget(key), str) 31 self.assertIsInstance(self.font[key], str) 32 sizetype = int if self.wantobjects else str 33 for key in 'size', 'underline', 'overstrike': 34 self.assertIsInstance(options[key], sizetype) 35 self.assertIsInstance(self.font.cget(key), sizetype) 36 self.assertIsInstance(self.font[key], sizetype) 37 38 def test_actual(self): 39 options = self.font.actual() 40 self.assertGreaterEqual(set(options), 41 {'family', 'size', 'weight', 'slant', 'underline', 'overstrike'}) 42 for key in options: 43 self.assertEqual(self.font.actual(key), options[key]) 44 for key in 'family', 'weight', 'slant': 45 self.assertIsInstance(options[key], str) 46 self.assertIsInstance(self.font.actual(key), str) 47 sizetype = int if self.wantobjects else str 48 for key in 'size', 'underline', 'overstrike': 49 self.assertIsInstance(options[key], sizetype) 50 self.assertIsInstance(self.font.actual(key), sizetype) 51 52 def test_name(self): 53 self.assertEqual(self.font.name, fontname) 54 self.assertEqual(str(self.font), fontname) 55 56 def test_eq(self): 57 font1 = font.Font(root=self.root, name=fontname, exists=True) 58 font2 = font.Font(root=self.root, name=fontname, exists=True) 59 self.assertIsNot(font1, font2) 60 self.assertEqual(font1, font2) 61 self.assertNotEqual(font1, font1.copy()) 62 self.assertNotEqual(font1, 0) 63 64 def test_measure(self): 65 self.assertIsInstance(self.font.measure('abc'), int) 66 67 def test_metrics(self): 68 metrics = self.font.metrics() 69 self.assertGreaterEqual(set(metrics), 70 {'ascent', 'descent', 'linespace', 'fixed'}) 71 for key in metrics: 72 self.assertEqual(self.font.metrics(key), metrics[key]) 73 self.assertIsInstance(metrics[key], int) 74 self.assertIsInstance(self.font.metrics(key), int) 75 76 def test_families(self): 77 families = font.families(self.root) 78 self.assertIsInstance(families, tuple) 79 self.assertTrue(families) 80 for family in families: 81 self.assertIsInstance(family, str) 82 self.assertTrue(family) 83 84 def test_names(self): 85 names = font.names(self.root) 86 self.assertIsInstance(names, tuple) 87 self.assertTrue(names) 88 for name in names: 89 self.assertIsInstance(name, str) 90 self.assertTrue(name) 91 self.assertIn(fontname, names) 92 93tests_gui = (FontTest, ) 94 95if __name__ == "__main__": 96 run_unittest(*tests_gui) 97