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test
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test_tkinter
test_images.py
import unittest import Tkinter as tkinter import ttk import test.test_support as support from test_ttk.support import AbstractTkTest, requires_tcl support.requires('gui') class MiscTest(AbstractTkTest, unittest.TestCase): def test_image_types(self): image_types = self.root.image_types() self.assertIsInstance(image_types, tuple) self.assertIn('photo', image_types) self.assertIn('bitmap', image_types) def test_image_names(self): image_names = self.root.image_names() self.assertIsInstance(image_names, tuple) class BitmapImageTest(AbstractTkTest, unittest.TestCase): @classmethod def setUpClass(cls): AbstractTkTest.setUpClass.__func__(cls) cls.testfile = support.findfile('python.xbm', subdir='imghdrdata') def test_create_from_file(self): image = tkinter.BitmapImage('::img::test', master=self.root, foreground='yellow', background='blue', file=self.testfile) self.assertEqual(str(image), '::img::test') self.assertEqual(image.type(), 'bitmap') self.assertEqual(image.width(), 16) self.assertEqual(image.height(), 16) self.assertIn('::img::test', self.root.image_names()) del image self.assertNotIn('::img::test', self.root.image_names()) def test_create_from_data(self): with open(self.testfile, 'rb') as f: data = f.read() image = tkinter.BitmapImage('::img::test', master=self.root, foreground='yellow', background='blue', data=data) self.assertEqual(str(image), '::img::test') self.assertEqual(image.type(), 'bitmap') self.assertEqual(image.width(), 16) self.assertEqual(image.height(), 16) self.assertIn('::img::test', self.root.image_names()) del image self.assertNotIn('::img::test', self.root.image_names()) def assertEqualStrList(self, actual, expected): self.assertIsInstance(actual, str) self.assertEqual(self.root.splitlist(actual), expected) def test_configure_data(self): image = tkinter.BitmapImage('::img::test', master=self.root) self.assertEqual(image['data'], '-data {} {} {} {}') with open(self.testfile, 'rb') as f: data = f.read() image.configure(data=data) self.assertEqualStrList(image['data'], ('-data', '', '', '', data)) self.assertEqual(image.width(), 16) self.assertEqual(image.height(), 16) self.assertEqual(image['maskdata'], '-maskdata {} {} {} {}') image.configure(maskdata=data) self.assertEqualStrList(image['maskdata'], ('-maskdata', '', '', '', data)) def test_configure_file(self): image = tkinter.BitmapImage('::img::test', master=self.root) self.assertEqual(image['file'], '-file {} {} {} {}') image.configure(file=self.testfile) self.assertEqualStrList(image['file'], ('-file', '', '', '',self.testfile)) self.assertEqual(image.width(), 16) self.assertEqual(image.height(), 16) self.assertEqual(image['maskfile'], '-maskfile {} {} {} {}') image.configure(maskfile=self.testfile) self.assertEqualStrList(image['maskfile'], ('-maskfile', '', '', '', self.testfile)) def test_configure_background(self): image = tkinter.BitmapImage('::img::test', master=self.root) self.assertEqual(image['background'], '-background {} {} {} {}') image.configure(background='blue') self.assertEqual(image['background'], '-background {} {} {} blue') def test_configure_foreground(self): image = tkinter.BitmapImage('::img::test', master=self.root) self.assertEqual(image['foreground'], '-foreground {} {} #000000 #000000') image.configure(foreground='yellow') self.assertEqual(image['foreground'], '-foreground {} {} #000000 yellow') class PhotoImageTest(AbstractTkTest, unittest.TestCase): @classmethod def setUpClass(cls): AbstractTkTest.setUpClass.__func__(cls) cls.testfile = support.findfile('python.gif', subdir='imghdrdata') def create(self): return tkinter.PhotoImage('::img::test', master=self.root, file=self.testfile) def colorlist(self, *args): if tkinter.TkVersion >= 8.6 and self.wantobjects: return args else: return tkinter._join(args) def check_create_from_file(self, ext): testfile = support.findfile('python.' + ext, subdir='imghdrdata') image = tkinter.PhotoImage('::img::test', master=self.root, file=testfile) self.assertEqual(str(image), '::img::test') self.assertEqual(image.type(), 'photo') self.assertEqual(image.width(), 16) self.assertEqual(image.height(), 16) self.assertEqual(image['data'], '') self.assertEqual(image['file'], testfile) self.assertIn('::img::test', self.root.image_names()) del image self.assertNotIn('::img::test', self.root.image_names()) def check_create_from_data(self, ext): testfile = support.findfile('python.' + ext, subdir='imghdrdata') with open(testfile, 'rb') as f: data = f.read() image = tkinter.PhotoImage('::img::test', master=self.root, data=data) self.assertEqual(str(image), '::img::test') self.assertEqual(image.type(), 'photo') self.assertEqual(image.width(), 16) self.assertEqual(image.height(), 16) self.assertEqual(image['data'], data if self.wantobjects else data.decode('latin1')) self.assertEqual(image['file'], '') self.assertIn('::img::test', self.root.image_names()) del image self.assertNotIn('::img::test', self.root.image_names()) def test_create_from_ppm_file(self): self.check_create_from_file('ppm') def test_create_from_ppm_data(self): self.check_create_from_data('ppm') def test_create_from_pgm_file(self): self.check_create_from_file('pgm') def test_create_from_pgm_data(self): self.check_create_from_data('pgm') def test_create_from_gif_file(self): self.check_create_from_file('gif') def test_create_from_gif_data(self): self.check_create_from_data('gif') @requires_tcl(8, 6) def test_create_from_png_file(self): self.check_create_from_file('png') @requires_tcl(8, 6) def test_create_from_png_data(self): self.check_create_from_data('png') def test_configure_data(self): image = tkinter.PhotoImage('::img::test', master=self.root) self.assertEqual(image['data'], '') with open(self.testfile, 'rb') as f: data = f.read() image.configure(data=data) self.assertEqual(image['data'], data if self.wantobjects else data.decode('latin1')) self.assertEqual(image.width(), 16) self.assertEqual(image.height(), 16) def test_configure_format(self): image = tkinter.PhotoImage('::img::test', master=self.root) self.assertEqual(image['format'], '') image.configure(file=self.testfile, format='gif') self.assertEqual(image['format'], ('gif',) if self.wantobjects else 'gif') self.assertEqual(image.width(), 16) self.assertEqual(image.height(), 16) def test_configure_file(self): image = tkinter.PhotoImage('::img::test', master=self.root) self.assertEqual(image['file'], '') image.configure(file=self.testfile) self.assertEqual(image['file'], self.testfile) self.assertEqual(image.width(), 16) self.assertEqual(image.height(), 16) def test_configure_gamma(self): image = tkinter.PhotoImage('::img::test', master=self.root) self.assertEqual(image['gamma'], '1.0') image.configure(gamma=2.0) self.assertEqual(image['gamma'], '2.0') def test_configure_width_height(self): image = tkinter.PhotoImage('::img::test', master=self.root) self.assertEqual(image['width'], '0') self.assertEqual(image['height'], '0') image.configure(width=20) image.configure(height=10) self.assertEqual(image['width'], '20') self.assertEqual(image['height'], '10') self.assertEqual(image.width(), 20) self.assertEqual(image.height(), 10) def test_configure_palette(self): image = tkinter.PhotoImage('::img::test', master=self.root) self.assertEqual(image['palette'], '') image.configure(palette=256) self.assertEqual(image['palette'], '256') image.configure(palette='3/4/2') self.assertEqual(image['palette'], '3/4/2') def test_blank(self): image = self.create() image.blank() self.assertEqual(image.width(), 16) self.assertEqual(image.height(), 16) self.assertEqual(image.get(4, 6), self.colorlist(0, 0, 0)) def test_copy(self): image = self.create() image2 = image.copy() self.assertEqual(image2.width(), 16) self.assertEqual(image2.height(), 16) self.assertEqual(image.get(4, 6), image.get(4, 6)) def test_subsample(self): image = self.create() image2 = image.subsample(2, 3) self.assertEqual(image2.width(), 8) self.assertEqual(image2.height(), 6) self.assertEqual(image2.get(2, 2), image.get(4, 6)) image2 = image.subsample(2) self.assertEqual(image2.width(), 8) self.assertEqual(image2.height(), 8) self.assertEqual(image2.get(2, 3), image.get(4, 6)) def test_zoom(self): image = self.create() image2 = image.zoom(2, 3) self.assertEqual(image2.width(), 32) self.assertEqual(image2.height(), 48) self.assertEqual(image2.get(8, 18), image.get(4, 6)) self.assertEqual(image2.get(9, 20), image.get(4, 6)) image2 = image.zoom(2) self.assertEqual(image2.width(), 32) self.assertEqual(image2.height(), 32) self.assertEqual(image2.get(8, 12), image.get(4, 6)) self.assertEqual(image2.get(9, 13), image.get(4, 6)) def test_put(self): image = self.create() image.put('{red green} {blue yellow}', to=(4, 6)) self.assertEqual(image.get(4, 6), self.colorlist(255, 0, 0)) self.assertEqual(image.get(5, 6), self.colorlist(0, 128 if tkinter.TkVersion >= 8.6 else 255, 0)) self.assertEqual(image.get(4, 7), self.colorlist(0, 0, 255)) self.assertEqual(image.get(5, 7), self.colorlist(255, 255, 0)) image.put((('#f00', '#00ff00'), ('#000000fff', '#ffffffff0000'))) self.assertEqual(image.get(0, 0), self.colorlist(255, 0, 0)) self.assertEqual(image.get(1, 0), self.colorlist(0, 255, 0)) self.assertEqual(image.get(0, 1), self.colorlist(0, 0, 255)) self.assertEqual(image.get(1, 1), self.colorlist(255, 255, 0)) def test_get(self): image = self.create() self.assertEqual(image.get(4, 6), self.colorlist(62, 116, 162)) self.assertEqual(image.get(0, 0), self.colorlist(0, 0, 0)) self.assertEqual(image.get(15, 15), self.colorlist(0, 0, 0)) self.assertRaises(tkinter.TclError, image.get, -1, 0) self.assertRaises(tkinter.TclError, image.get, 0, -1) self.assertRaises(tkinter.TclError, image.get, 16, 15) self.assertRaises(tkinter.TclError, image.get, 15, 16) def test_write(self): image = self.create() self.addCleanup(support.unlink, support.TESTFN) image.write(support.TESTFN) image2 = tkinter.PhotoImage('::img::test2', master=self.root, format='ppm', file=support.TESTFN) self.assertEqual(str(image2), '::img::test2') self.assertEqual(image2.type(), 'photo') self.assertEqual(image2.width(), 16) self.assertEqual(image2.height(), 16) self.assertEqual(image2.get(0, 0), image.get(0, 0)) self.assertEqual(image2.get(15, 8), image.get(15, 8)) image.write(support.TESTFN, format='gif', from_coords=(4, 6, 6, 9)) image3 = tkinter.PhotoImage('::img::test3', master=self.root, format='gif', file=support.TESTFN) self.assertEqual(str(image3), '::img::test3') self.assertEqual(image3.type(), 'photo') self.assertEqual(image3.width(), 2) self.assertEqual(image3.height(), 3) self.assertEqual(image3.get(0, 0), image.get(4, 6)) self.assertEqual(image3.get(1, 2), image.get(5, 8)) tests_gui = (MiscTest, BitmapImageTest, PhotoImageTest,) if __name__ == "__main__": support.run_unittest(*tests_gui)
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