def test_foscam_image_template_input_varieties(self):
fname = self.data_files['open'][0]
fcis = [
FoscamImage(fname, template=None),
FoscamImage(fname, template=DEFAULT_TEMPLATE),
FoscamImage(fname,
template=GrayscaleTemplateImage(DEFAULT_TEMPLATE)),
FoscamImage(
fname,
template=GrayscaleTemplateImage(DEFAULT_TEMPLATE).image),
]
for fci in fcis:
self._crudely_verify_grayscale_from_dims(fci.template)
def test_no_name_given(self):
template = GrayscaleTemplateImage(
) # no input arg img_name, so using default name
tshape = template.image.shape
tlen = len(tshape)
self.assertEqual(
2, tlen,
'NOT GRAYSCALE? expected only 2 dims (h, w) for default template image, but got %d dims %s'
% (tlen, str(tshape)))
def setUpClass(cls):
""" just do this once [whereas setUp gets called for each test]
"""
super(TemplateTestCase, cls).setUpClass()
cwd = os.path.dirname(os.path.abspath(__file__))
cls.data_dir = cwd.replace(os.path.basename(cwd), 'data')
cls.unreadable_file = os.path.join(cls.data_dir,
'unreadable_template.jpg')
cls.default_name = DEFAULT_TEMPLATE
cls.default_template = GrayscaleTemplateImage(
img_name=cls.default_name)
def test_not_using_keyword_arg(self):
template = GrayscaleTemplateImage(DEFAULT_TEMPLATE)
self._verify_grayscale_from_dims(template.image)
def test_image_unreadable(self):
with self.assertRaises(IOError):
template = GrayscaleTemplateImage(
img_name=self.unreadable_file) # bad file content
tshape = template.image.shape # need this line for image read method to be invoked
def test_name_does_not_exist(self):
bad_name = '/This/Path/Should/Not/Exist/Junk.jpg'
with self.assertRaises(TypeError):
template = GrayscaleTemplateImage(img_name=bad_name)