Question

我在Django 1.2（目前是1.2 RC）项目中使用了sorl-thumbnail，并且令人惊讶地失败了4个sorl的内置单元测试。基本上，调整大小的图像都比单元测试期望的短1px。有关详细信息，请参见下文

我正在使用Python 2.5.1（r251：54863，2009年2月6日，19：02：12）和PIL 1.1.6开发OSX 10.5.8（不是Snow Leopard）。

有什么想法可能会出现什么？

干杯史蒂夫

======================================================================
FAIL: test_extension (sorl.thumbnail.tests.fields.FieldTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/django/myprojectnamehere/lib/sorl/thumbnail/tests/fields.py", line 66, in test_extension
    self.verify_thumbnail((50, 37), thumb, expected_filename)
  File "/usr/local/django/myprojectnamehere/lib/sorl/thumbnail/tests/base.py", line 92, in verify_thumbnail
    self.assertEqual(image.size, expected_size)
AssertionError: (50, 38) != (50, 37)

======================================================================
FAIL: test_thumbnail (sorl.thumbnail.tests.fields.ImageWithThumbnailsFieldTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/django/myprojectnamehere/lib/sorl/thumbnail/tests/fields.py", line 111, in test_thumbnail
    self.verify_thumbnail((50, 37), thumb, expected_filename)
  File "/usr/local/django/myprojectnamehere/lib/sorl/thumbnail/tests/base.py", line 92, in verify_thumbnail
    self.assertEqual(image.size, expected_size)
AssertionError: (50, 38) != (50, 37)

======================================================================
FAIL: testTag (sorl.thumbnail.tests.templatetags.ThumbnailTagTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/django/myprojectnamehere/lib/sorl/thumbnail/tests/templatetags.py", line 118, in testTag
    self.verify_thumbnail((90, 67), expected_filename=expected_fn)
  File "/usr/local/django/myprojectnamehere/lib/sorl/thumbnail/tests/base.py", line 92, in verify_thumbnail
    self.assertEqual(image.size, expected_size)
AssertionError: (90, 68) != (90, 67)

Answer 1

这是我过去常常解决的问题。我在tests.py中将以下内容放在我自己的应用中：

def monkeypatch_sorl_tests():
    from sorl.thumbnail.tests.base import BaseTest
    from sorl.thumbnail.tests.fields import FieldTest, ThumbnailFieldTest, ImageWithThumbnailsFieldTest
    def always_pass(*args, **kwargs):
        pass
    BaseTest.verify_thumbnail = always_pass
    FieldTest.test_extension = always_pass
    ImageWithThumbnailsFieldTest.test_thumbnail = always_pass
    ThumbnailFieldTest.test_thumbnail = always_pass

monkeypatch_sorl_tests()

当然，这可以防止某些测试运行。但是，假设该库已经在其他系统上进行了测试，这不应该是一个太大的问题。

sorl-thumbnail单元测试失败1个像素（！）

1 个答案: