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test_file_bufrstub.py 1.13 KB
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LLL 提交于 2022-06-27 15:20 . Import Upstream version 7.0.0
from PIL import BufrStubImagePlugin, Image
from .helper import PillowTestCase, hopper
TEST_FILE = "Tests/images/gfs.t06z.rassda.tm00.bufr_d"
class TestFileBufrStub(PillowTestCase):
def test_open(self):
# Act
with Image.open(TEST_FILE) as im:
# Assert
self.assertEqual(im.format, "BUFR")
# Dummy data from the stub
self.assertEqual(im.mode, "F")
self.assertEqual(im.size, (1, 1))
def test_invalid_file(self):
# Arrange
invalid_file = "Tests/images/flower.jpg"
# Act / Assert
self.assertRaises(
SyntaxError, BufrStubImagePlugin.BufrStubImageFile, invalid_file
)
def test_load(self):
# Arrange
with Image.open(TEST_FILE) as im:
# Act / Assert: stub cannot load without an implemented handler
self.assertRaises(IOError, im.load)
def test_save(self):
# Arrange
im = hopper()
tmpfile = self.tempfile("temp.bufr")
# Act / Assert: stub cannot save without an implemented handler
self.assertRaises(IOError, im.save, tmpfile)
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