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Issue #21605: Added tests for Tkinter images.

This commit is contained in:
Serhiy Storchaka 2014-06-01 12:34:56 +03:00
parent 8381f90ee0
commit 694c3153b0
2 changed files with 343 additions and 0 deletions
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341
Lib/tkinter/test/test_tkinter/test_images.py Normal file
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import unittest
import tkinter
from tkinter import ttk
from test import support
from tkinter.test.support import requires_tcl
support.requires('gui')
class MiscTest(unittest.TestCase):
def setUp(self):
self.root = ttk.setup_master()
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(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.testfile = support.findfile('python.xbm', subdir='imghdrdata')
def setUp(self):
self.root = ttk.setup_master()
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.decode('ascii')))
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.decode('ascii')))
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(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.testfile = support.findfile('python.gif', subdir='imghdrdata')
def setUp(self):
self.root = ttk.setup_master()
self.wantobjects = self.root.wantobjects()
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')
@unittest.skip('issue #21580')
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')
@unittest.skip('issue #21580')
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')
@unittest.skip('issue #21580')
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')
@unittest.skip('issue #21580')
@requires_tcl(8, 6)
def test_create_from_png_data(self):
self.check_create_from_data('png')
@unittest.skip('issue #21580')
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)

2
Misc/NEWS
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@ -56,6 +56,8 @@ Library
Tests
-----
- Issue #21605: Added tests for Tkinter images.
- Issue #21493: Added test for ntpath.expanduser(). Original patch by
Claudiu Popa.