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33dabf986f
The unittest in helper.py has not offered an interesting abstraction
since dbe9f85c7d so import from the more
typical stdlib location.
88 lines
2.3 KiB
Python
88 lines
2.3 KiB
Python
import unittest
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from PIL import Image
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from .helper import PillowTestCase, hopper
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try:
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from PIL import ImageTk
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import tkinter as tk
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dir(ImageTk)
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HAS_TK = True
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except (OSError, ImportError):
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# Skipped via setUp()
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HAS_TK = False
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TK_MODES = ("1", "L", "P", "RGB", "RGBA")
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@unittest.skipIf(not HAS_TK, "Tk not installed")
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class TestImageTk(PillowTestCase):
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def setUp(self):
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try:
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# setup tk
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tk.Frame()
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# root = tk.Tk()
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except tk.TclError as v:
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self.skipTest("TCL Error: %s" % v)
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def test_kw(self):
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TEST_JPG = "Tests/images/hopper.jpg"
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TEST_PNG = "Tests/images/hopper.png"
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im1 = Image.open(TEST_JPG)
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im2 = Image.open(TEST_PNG)
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with open(TEST_PNG, "rb") as fp:
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data = fp.read()
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kw = {"file": TEST_JPG, "data": data}
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# Test "file"
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im = ImageTk._get_image_from_kw(kw)
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self.assert_image_equal(im, im1)
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# Test "data"
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im = ImageTk._get_image_from_kw(kw)
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self.assert_image_equal(im, im2)
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# Test no relevant entry
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im = ImageTk._get_image_from_kw(kw)
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self.assertIsNone(im)
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def test_photoimage(self):
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for mode in TK_MODES:
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# test as image:
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im = hopper(mode)
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# this should not crash
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im_tk = ImageTk.PhotoImage(im)
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self.assertEqual(im_tk.width(), im.width)
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self.assertEqual(im_tk.height(), im.height)
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reloaded = ImageTk.getimage(im_tk)
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self.assert_image_equal(reloaded, im.convert("RGBA"))
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def test_photoimage_blank(self):
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# test a image using mode/size:
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for mode in TK_MODES:
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im_tk = ImageTk.PhotoImage(mode, (100, 100))
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self.assertEqual(im_tk.width(), 100)
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self.assertEqual(im_tk.height(), 100)
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# reloaded = ImageTk.getimage(im_tk)
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# self.assert_image_equal(reloaded, im)
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def test_bitmapimage(self):
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im = hopper("1")
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# this should not crash
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im_tk = ImageTk.BitmapImage(im)
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self.assertEqual(im_tk.width(), im.width)
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self.assertEqual(im_tk.height(), im.height)
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# reloaded = ImageTk.getimage(im_tk)
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# self.assert_image_equal(reloaded, im)
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