def test_raises_error_on_bad_URL(self):
httpretty.register_uri(httpretty.GET,
"http://example.com/cats.png",
body="not found",
status=404)
with self.assertRaises(IOError):
f = cache.WebImage('http://example.com/cats.png')
def test_removes_oldest_file_when_full(self):
image_size = cache.WebImage('http://example.com/a.png').get_size()
print image_size
c = cache.ImageCache(image_size + 1)
a_url = 'http://example.com/a.png'
b_url = 'http://example.com/b.png'
a = c.get_image(a_url)
b = c.get_image(b_url)
self.assertFalse(a_url in c.images)
self.assertTrue(b_url in c.images)
def test_is_fresh_if_no_last_modified_or_etag(self):
httpretty.register_uri(httpretty.GET,
"http://example.com/cats.png",
body=self.image_content,
max_age=300)
httpretty.register_uri(httpretty.HEAD,
"http://example.com/cats.png",
max_age=300)
f = cache.WebImage('http://example.com/cats.png')
time.time.tm = 1400
self.assertFalse(f.is_fresh())
def test_removes_more_than_one_file_if_needed(self):
image_size = cache.WebImage('http://example.com/a.png').get_size()
c = cache.ImageCache(image_size + 1)
tiny_url_a = 'http://example.com/tiny/a.png'
tiny_url_b = 'http://example.com/tiny/b.png'
url_d = 'http://example.com/a.png'
a = c.get_image(tiny_url_a)
b = c.get_image(tiny_url_b)
d = c.get_image(url_d)
self.assertEqual(len(c.images), 1)
self.assertFalse(tiny_url_a in c.images)
self.assertFalse(tiny_url_b in c.images)
self.assertTrue(url_d in c.images)
def test_is_fresh_on_recheck_with_last_modified_changed(self):
httpretty.register_uri(httpretty.GET,
"http://example.com/cats.png",
body=self.image_content,
max_age=300,
last_modified=formatdate(200.0))
httpretty.register_uri(httpretty.HEAD,
"http://example.com/cats.png",
max_age=300,
last_modified=formatdate(300.0))
f = cache.WebImage('http://example.com/cats.png')
time.time.tm = 1400
self.assertFalse(f.is_fresh())
def test_is_fresh_while_within_maxage(self):
httpretty.register_uri(httpretty.GET,
"http://example.com/cats.png",
body=self.image_content,
max_age=300,
last_modified=formatdate(200.0))
httpretty.register_uri(httpretty.HEAD,
"http://example.com/cats.png",
max_age=300,
last_modified=formatdate(300.0))
f = cache.WebImage('http://example.com/cats.png')
time.time.tm = 1200
self.assertTrue(f.is_fresh())
def test_basic_load(self):
httpretty.register_uri(httpretty.GET,
"http://example.com/cats.png",
body=self.image_content)
f = cache.WebImage('http://example.com/cats.png')
def test_removes_a_file_when_full(self):
image_size = cache.WebImage('http://example.com/a.png').get_size()
c = cache.ImageCache(image_size + 1)
a = c.get_image('http://example.com/a.png')
b = c.get_image('http://example.com/b.png')
self.assertEqual(len(c.images), 1)