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@yuribossa
Created January 26, 2010 12:37
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# -*- coding: utf8 -*-
from google.appengine.ext import webapp
from google.appengine.ext.webapp.util import run_wsgi_app
from google.appengine.ext import db
class TestModel(db.Model):
message = db.StringProperty()
class TransactionTest():
def run_transaction_test(self):
try:
db.run_in_transaction(self.transaction)
return True
except:
return False
# 成功
class Test0(TransactionTest):
def transaction(self):
a = TestModel(key_name='reni0', message=u'がんばれに')
a.put()
# 失敗
class Test1(TransactionTest):
def transaction(self):
a = TestModel(key_name='shiorin1', message=u'しおりんうれしおりん')
a.put()
b = TestModel(key_name='kanako1', message=u'かなこぉ↑')
b.put()
# 失敗
class Test2(TransactionTest):
def __init__(self):
a = TestModel(key_name='shiorin2', message=u'しおりんうれしおりん')
a.put()
def transaction(self):
a = TestModel.get_by_key_name('shiorin2')
b = TestModel(key_name='odagirishiorin2', message=a.message)
b.put()
# 失敗
class Test3(TransactionTest):
def __init__(self):
a = TestModel(key_name='kanako3', message=u'かなこぉ↑')
a.put()
def transaction(self):
a = TestModel.get_by_key_name('kanako3')
a.delete()
b = TestModel(key_name=u'momoka3', message=u'有安でありやす')
b.put()
# 成功
class Test4(TransactionTest):
def transaction(self):
a = TestModel(key_name='shiorin4', message=u'しおりんショック><')
a.put()
b = TestModel(key_name='odagirishiorin4', message=u'お゛た゛き゛り゛し゛お゛り゛です', parent=a)
b.put()
# 成功
class Test5(TransactionTest):
def transaction(self):
a = TestModel(key_name='shiorin5', message=u'滅相もない')
a.put()
b = TestModel(key_name='odagirishiorin5', message=u'お゛た゛き゛り゛し゛お゛り゛です', parent=a)
b.put()
c = TestModel(key_name='uran5', message=u'う゛ら゛ん゛です', parent=a)
c.put()
# 成功
class Test6(TransactionTest):
def __init__(self):
a = TestModel(key_name='shiorin6', message=u'さびしおりん')
a.put()
b = TestModel(key_name='odagirishiorin6', message=u'お゛た゛き゛り゛し゛お゛り゛です', parent=a)
b.put()
c = TestModel(key_name='uran6', message=u'う゛ら゛ん゛です', parent=a)
c.put()
def transaction(self):
a = TestModel.get_by_key_name('shiorin6')
b = TestModel.get_by_key_name('odagirishiorin6', a)
b.message = u'に゛ゃー'
b.put()
c = TestModel.get_by_key_name('uran6', a)
c.message = u'わ゛ぁー'
c.put()
# 成功
class Test7(TransactionTest):
def __init__(self):
a = TestModel(key_name='shiorin7', message=u'しおりんショック><')
a.put()
b = TestModel(key_name='odagirishiorin7', message=u'お゛た゛き゛り゛し゛お゛り゛です', parent=a)
b.put()
c = TestModel(key_name='uran7', message=u'う゛ら゛ん゛です', parent=a)
c.put()
a.delete()
def transaction(self):
parent_key = db.Key.from_path('TestModel', 'shiorin7')
b = TestModel.get_by_key_name('odagirishiorin7', parent_key)
b.message = u'に゛ゃー'
b.put()
c = TestModel.get_by_key_name('uran7', parent_key)
c.message = u'わ゛ぁー'
c.put()
# 成功
class Test8(TransactionTest):
def transaction(self):
a = TestModel(key_name='shiorin8', message=u'しおりんショック><')
a.put()
b = TestModel(key_name='odagirishiorin8', message=u'お゛た゛き゛り゛し゛お゛り゛です', parent=a)
b.put()
c = TestModel(key_name='ruka8', message=u'るかです', parent=b)
c.put()
# 成功
class Test9(TransactionTest):
def __init__(self):
a = TestModel(key_name='shiorin9', message=u'しおりんショック><')
a.put()
b = TestModel(key_name='odagirishiorin9', message=u'お゛た゛き゛り゛し゛お゛り゛です', parent=a)
b.put()
c = TestModel(key_name='ruka9', message=u'るかです', parent=b)
c.put()
b.delete()
def transaction(self):
a = TestModel.get_by_key_name('shiorin9')
a.message = u'悲しおりん'
a.put()
b = db.Key.from_path('TestModel', 'shiorin9', 'TestModel', 'odagirishiorin9')
c = TestModel.get_by_key_name('ruka9', b)
c.message = u'悲しおりん'
c.put()
class TransactionDispatcher(webapp.RequestHandler):
def get(self, num=''):
n = int(num)
transaction_class_list = [
Test0, Test1, Test2, Test3, Test4,
Test5, Test6, Test7, Test8, Test9
]
if n >= len(transaction_class_list):
self.redirect('/transaction/index')
t = transaction_class_list[n]()
if t.run_transaction_test():
self.response.out.write('<html><body>Test%s is success.</body></html>' % num)
else:
self.response.out.write('<html><body>Test%s is error.</body></html>' % num)
class MainHandler(webapp.RequestHandler):
def get(self):
w = self.response.out.write
w('<html><body>')
for i in range(10):
w('<p><a href="/transaction/test%s">Test%s</a></p>' %
(str(i), str(i)))
w('</body></html>')
application = webapp.WSGIApplication(
[('/transaction/test([\d]+)', TransactionDispatcher),
('/transaction/index', MainHandler)],
debug=True)
def main():
run_wsgi_app(application)
if __name__ == '__main__':
main()
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