def testRegression(self):
subject = Base62Util()
for i in range(5000):
self.assertEqual(subject.toDec(subject.toBase(i)), str(i))
import os
import jinja2
import webapp2
from lib.base62 import (Base62Util)
from google.appengine.ext import ndb
JINJA_ENVIRONMENT = jinja2.Environment(
loader=jinja2.FileSystemLoader(os.path.dirname(__file__) + "/templates"),
extensions=['jinja2.ext.autoescape'],
autoescape=False)
URL_SHORTNER_NAME = 'url_shortener' # key to thendb data store
baseUtil = Base62Util() # a utility class for encoding
def urldb_key(url_shortener=URL_SHORTNER_NAME):
"""
We use url_shortener as the key, Entry as the value to hold urls
"""
return ndb.Key('Entry', url_shortener)
class Entry(ndb.Model):
"""
A table to store the original url and its mapping to shorened form
"""
url = ndb.StringProperty(indexed=False)
shortened = ndb.StringProperty(indexed=False)
def testSample(self):
subject = Base62Util()
self.assertEqual('sXDVELneo', subject.toBase(6323566249246720))
self.assertEqual('mw0iXTwjK', subject.toBase(4916191365693440))
def testDecmialToBase62SimpleCase(self):
subject = Base62Util()
self.assertEqual('64', subject.toDec('12'))
def testDecmialToBase62Basic(self):
subject = Base62Util()
self.assertEqual('50', subject.toDec('O'))
def testBase62ToDecmialSimpleCase(self):
subject = Base62Util()
self.assertEqual('12', subject.toBase(64))
def testBase62ToDecmialBasic(self):
subject = Base62Util()
self.assertEqual('O', subject.toBase(50))