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# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
import os
import platform
import unittest
# importlib.resources is new in Python 3.7, and importlib.resources.files is
# new in Python 3.9, so for Python < 3.9 we must rely on the 3rd party
# importlib_resources package.
try:
from importlib.resources import files
except ImportError:
from importlib_resources import files
import pyface
import pyface.tests
from ..image_resource import ImageResource
from ..toolkit import toolkit_object
is_qt = toolkit_object.toolkit.startswith("qt")
if is_qt:
from pyface.qt import qt_api
is_pyqt4_windows = (
is_qt and qt_api == "pyqt" and platform.system() == "Windows"
)
SEARCH_PATH = os.fspath(files("pyface") / "images")
IMAGE_PATH = os.fspath(files("pyface.tests") / "images" / "core.png")
class TestImageResource(unittest.TestCase):
def setUp(self):
# clear cached "not found" image
ImageResource._image_not_found = None
def test_create_image(self):
image_resource = ImageResource("core")
image = image_resource.create_image()
self.assertIsNotNone(image)
self.assertEqual(image_resource.absolute_path, IMAGE_PATH)
def test_create_image_again(self):
image_resource = ImageResource("core")
image = image_resource.create_image()
self.assertIsNotNone(image)
self.assertEqual(image_resource.absolute_path, IMAGE_PATH)
def test_create_image_search_path(self):
image_resource = ImageResource("splash", [SEARCH_PATH])
self.assertEqual(
image_resource.search_path, [SEARCH_PATH, pyface.tests]
)
image = image_resource.create_image()
self.assertIsNotNone(image)
self.assertEqual(
image_resource.absolute_path,
os.path.join(SEARCH_PATH, "splash.png"),
)
def test_create_image_search_path_string(self):
image_resource = ImageResource("splash", SEARCH_PATH)
self.assertEqual(
image_resource.search_path, [SEARCH_PATH, pyface.tests]
)
image = image_resource.create_image()
self.assertIsNotNone(image)
self.assertEqual(
image_resource.absolute_path,
os.path.join(SEARCH_PATH, "splash.png"),
)
def test_create_image_missing(self):
image_resource = ImageResource("doesnt_exist.png")
image = image_resource.create_image()
self.assertIsNotNone(image)
self.assertIsNotNone(image_resource._image_not_found)
def test_create_bitmap(self):
image_resource = ImageResource("core.png")
image = image_resource.create_bitmap()
self.assertIsNotNone(image)
self.assertEqual(image_resource.absolute_path, IMAGE_PATH)
def test_create_icon(self):
image_resource = ImageResource("core.png")
image = image_resource.create_icon()
self.assertIsNotNone(image)
self.assertEqual(image_resource.absolute_path, IMAGE_PATH)
def test_image_size(self):
image_resource = ImageResource("core")
image = image_resource.create_image()
size = image_resource.image_size(image)
self.assertEqual(image_resource._ref.filename, IMAGE_PATH)
self.assertEqual(size, (64, 64))
@unittest.skipIf(
is_pyqt4_windows, "QPixmap bug returns (0, 0). Issue #301."
) # noqa
def test_image_size_search_path(self):
image_resource = ImageResource("splash", [SEARCH_PATH])
image = image_resource.create_image()
size = image_resource.image_size(image)
self.assertEqual(
image_resource.absolute_path,
os.path.join(SEARCH_PATH, "splash.png"),
)
self.assertEqual(size, (601, 203))
|
