def test_load_model_field(self):
instance = ImageModel.objects.create(
name='Hi', image=self.sample('django_colors.jpg'))
instance = ImageModel.objects.get(pk=instance.pk)
iq = ImageQuery(instance.image)
iq.grayscale().save(self.tmp('test.jpg'))
self.assert_(
self.compare(self.tmp('test.jpg'),
self.sample('results/django_colors_gray.jpg')))
def test_hash_calculation(self):
dj = ImageQuery(self.sample('django_colors.jpg'))
dj1 = dj.scale(100, 100)
self.assertNotEqual(dj1._name(), dj._name())
dj2 = ImageQuery(self.sample('django_colors.jpg')).scale(100, 100)
self.assertEqual(dj1._name(), dj2._name())
self.assertNotEqual(dj._name(), dj2._name())
dj3 = dj.scale(101, 101)
self.assertNotEqual(dj1._name(), dj3._name())
def test_hash_calculation(self):
dj = ImageQuery(self.sample('django_colors.jpg'))
dj1 = dj.scale(100,100)
self.assertNotEqual(dj1._name(), dj._name())
dj2 = ImageQuery(self.sample('django_colors.jpg')).scale(100,100)
self.assertEqual(dj1._name(), dj2._name())
self.assertNotEqual(dj._name(), dj2._name())
dj3 = dj.scale(101,101)
self.assertNotEqual(dj1._name(), dj3._name())
def test_template_format(self):
from django import template
tpl = template.Template(
'{% load imagequery_tags %}{% image_format "test" image %}')
ctx = template.Context({
'image':
ImageQuery(self.sample('django_colors.jpg')),
})
result = tpl.render(ctx)
self.assertEqual(result, 'cache/test_format/django_colors.jpg')
def _get_query(self):
from imagequery.query import ImageQuery
try:
data = pickle.loads(str(self.query_data))
except pickle.UnpicklingError:
raise RuntimeError('could not load data')
return ImageQuery(
source=data['source'],
storage=data['storage'],
cache_storage=data['cache_storage'],
)
def test_custom_storage(self):
shutil.copyfile(self.sample('django_colors.jpg'), os.path.join(self.tmpstorage_dir, 'customstorage.jpg'))
# load from custom tmp storage
iq = ImageQuery('customstorage.jpg', storage=self.tmpstorage)
iq.grayscale().save('save.jpg')
self.assert_(self.compare(os.path.join(self.tmpstorage_dir, 'save.jpg'), self.sample('results/django_colors_gray.jpg')))
iq.grayscale().save('save.jpg', storage=self.tmpstorage_save)
self.assert_(self.compare(os.path.join(self.tmpstorage_save_dir, 'save.jpg'), self.sample('results/django_colors_gray.jpg')))
iq = ImageQuery('customstorage.jpg', storage=self.tmpstorage, cache_storage=self.tmpstorage_save)
iq.grayscale().save('save.jpg')
self.assert_(self.compare(os.path.join(self.tmpstorage_save_dir, 'save.jpg'), self.sample('results/django_colors_gray.jpg')))
def test_custom_storage(self):
shutil.copyfile(self.sample('django_colors.jpg'),
os.path.join(self.tmpstorage_dir, 'customstorage.jpg'))
# load from custom tmp storage
iq = ImageQuery('customstorage.jpg', storage=self.tmpstorage)
iq.grayscale().save('save.jpg')
self.assert_(
self.compare(os.path.join(self.tmpstorage_dir, 'save.jpg'),
self.sample('results/django_colors_gray.jpg')))
iq.grayscale().save('save.jpg', storage=self.tmpstorage_save)
self.assert_(
self.compare(os.path.join(self.tmpstorage_save_dir, 'save.jpg'),
self.sample('results/django_colors_gray.jpg')))
iq = ImageQuery('customstorage.jpg',
storage=self.tmpstorage,
cache_storage=self.tmpstorage_save)
iq.grayscale().save('save.jpg')
self.assert_(
self.compare(os.path.join(self.tmpstorage_save_dir, 'save.jpg'),
self.sample('results/django_colors_gray.jpg')))
def test_operations(self):
dj = ImageQuery(self.sample('django_colors.jpg'))
tux = ImageQuery(self.sample('tux_transparent.png'))
lynx = ImageQuery(self.sample('lynx_kitten.jpg'))
dj.grayscale().save(self.tmp('test.jpg'))
self.assert_(self.compare(self.tmp('test.jpg'), self.sample('results/django_colors_gray.jpg')))
dj.paste(tux, 'center', 'bottom').save(self.tmp('test.jpg'))
self.assert_(self.compare(self.tmp('test.jpg'), self.sample('results/django_colors_with_tux_center_bottom.jpg')))
lynx.mirror().flip().invert().resize(400,300).save(self.tmp('test.jpg'))
self.assert_(self.compare(self.tmp('test.jpg'), self.sample('results/lynx_kitten_mirror_flip_invert_resize_400_300.jpg')))
lynx.fit(400,160).save(self.tmp('test.jpg'))
self.assert_(self.compare(self.tmp('test.jpg'), self.sample('results/lynx_fit_400_160.jpg')))
tux_blank = tux.blank(color='#000088').save(self.tmp('test.png'))
self.assert_(self.compare(self.tmp('test.png'), self.sample('results/tux_blank_000088.png')))
self.assertEqual(tux.size(), tux_blank.size())
lynx.resize(400).save(self.tmp('test.jpg'))
lynx.resize(400).sharpness(3).save(self.tmp('test2.jpg'))
lynx.resize(400).sharpness(-1).save(self.tmp('test3.jpg'))
self.assert_(self.compare(self.tmp('test.jpg'), self.sample('results/lynx_resize_400.jpg')))
self.assert_(self.compare(self.tmp('test2.jpg'), self.sample('results/lynx_resize_400_sharpness_3.jpg')))
self.assert_(self.compare(self.tmp('test3.jpg'), self.sample('results/lynx_resize_400_sharpness_-1.jpg')))
self.assert_(not self.compare(self.tmp('test.jpg'), self.tmp('test2.jpg')))
dj.text('Django ImageQuery', 'center', 10, os.path.join(self.font_dir, 'Vera.ttf'), 20, '#000000').save(self.tmp('test.jpg'))
self.assert_(self.compare(self.tmp('test.jpg'), self.sample('results/django_colors_text_center_10.jpg')))
self.assertEqual(dj.mimetype(), 'image/jpeg')
self.assertEqual(tux.mimetype(), 'image/png')
def test_load_model_field(self):
instance = ImageModel.objects.create(name='Hi', image=self.sample('django_colors.jpg'))
instance = ImageModel.objects.get(pk=instance.pk)
iq = ImageQuery(instance.image)
iq.grayscale().save(self.tmp('test.jpg'))
self.assert_(self.compare(self.tmp('test.jpg'), self.sample('results/django_colors_gray.jpg')))
def test_load_simple_filename(self):
iq = ImageQuery(self.sample('django_colors.jpg'))
iq.grayscale().save(self.tmp('test.jpg'))
self.assert_(self.compare(self.tmp('test.jpg'), self.sample('results/django_colors_gray.jpg')))
def test_load_simple_filename(self):
iq = ImageQuery(self.sample('django_colors.jpg'))
iq.grayscale().save(self.tmp('test.jpg'))
self.assert_(
self.compare(self.tmp('test.jpg'),
self.sample('results/django_colors_gray.jpg')))
def test_format(self):
iq = ImageQuery(self.sample('django_colors.jpg'))
f = TestFormat(iq)
self.assert_(
self.compare(f.path(),
self.sample('results/django_colors_gray.jpg')))
def test_operations(self):
dj = ImageQuery(self.sample('django_colors.jpg'))
tux = ImageQuery(self.sample('tux_transparent.png'))
lynx = ImageQuery(self.sample('lynx_kitten.jpg'))
dj.grayscale().save(self.tmp('test.jpg'))
self.assert_(
self.compare(self.tmp('test.jpg'),
self.sample('results/django_colors_gray.jpg')))
dj.paste(tux, 'center', 'bottom').save(self.tmp('test.jpg'))
self.assert_(
self.compare(
self.tmp('test.jpg'),
self.sample(
'results/django_colors_with_tux_center_bottom.jpg')))
lynx.mirror().flip().invert().resize(400,
300).save(self.tmp('test.jpg'))
self.assert_(
self.compare(
self.tmp('test.jpg'),
self.sample(
'results/lynx_kitten_mirror_flip_invert_resize_400_300.jpg'
)))
lynx.fit(400, 160).save(self.tmp('test.jpg'))
self.assert_(
self.compare(self.tmp('test.jpg'),
self.sample('results/lynx_fit_400_160.jpg')))
tux_blank = tux.blank(color='#000088').save(self.tmp('test.png'))
self.assert_(
self.compare(self.tmp('test.png'),
self.sample('results/tux_blank_000088.png')))
self.assertEqual(tux.size(), tux_blank.size())
lynx.resize(400).save(self.tmp('test.jpg'))
lynx.resize(400).sharpness(3).save(self.tmp('test2.jpg'))
lynx.resize(400).sharpness(-1).save(self.tmp('test3.jpg'))
self.assert_(
self.compare(self.tmp('test.jpg'),
self.sample('results/lynx_resize_400.jpg')))
self.assert_(
self.compare(
self.tmp('test2.jpg'),
self.sample('results/lynx_resize_400_sharpness_3.jpg')))
self.assert_(
self.compare(
self.tmp('test3.jpg'),
self.sample('results/lynx_resize_400_sharpness_-1.jpg')))
self.assert_(
not self.compare(self.tmp('test.jpg'), self.tmp('test2.jpg')))
dj.text('Django ImageQuery', 'center', 10,
os.path.join(self.font_dir, 'Vera.ttf'), 20,
'#000000').save(self.tmp('test.jpg'))
self.assert_(
self.compare(
self.tmp('test.jpg'),
self.sample('results/django_colors_text_center_10.jpg')))
self.assertEqual(dj.mimetype(), 'image/jpeg')
self.assertEqual(tux.mimetype(), 'image/png')
