TestEmpty.py :  » Web-Frameworks » Webware » Webware-1.0.2 » MiddleKit » Tests » MKNone.mkmodel » Python Open Source

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Python Open Source » Web Frameworks » Webware 
Webware » Webware 1.0.2 » MiddleKit » Tests » MKNone.mkmodel » TestEmpty.py
def test(store):
  from Foo import Foo

  f = Foo()

  # legal sets:
  f.setRi(1)
  f.setNi(2)
  f.setRs('a')
  f.setNs('b')
  f.setNi(None)
  f.setNs(None)

  # illegal sets:
  errMsg = 'Set None for required attribute, but no exception was raised.'
  try:
    f.setRi(None)
  except Exception:
    pass
  else:
    raise Exception, errMsg

  try:
    f.setRs(None)
  except Exception:
    pass
  else:
    raise Exception, errMsg

  store.addObject(f)
  store.saveChanges()
  store.clear()

  results = store.fetchObjectsOfClass(Foo)
  assert len(results) == 1
  f = results[0]
  assert f.ri() == 1
  assert f.ni() is None
  assert f.rs() == 'a'
  assert f.ns() is None

  return

  from MiscUtils.DataTable import DataTable

  dataSource = '''
b:int,i:int,l:long,f:float,s:string
0,0,0,0,0
0,0,0,0.0,0.0
1,1,1,1,a
0,-1,8589934592,-3.14,'x'
'''

  data = DataTable()
  data.readString(dataSource)

  for values in data:
    print values

    t = Thing()
    t.setB(values['b'])
    t.setI(values['i'])
    t.setL(values['l'])
    t.setF(values['f'])
    t.setS(values['s'])

    store.addObject(t)
    store.saveChanges()

    # Try an immediate fetch
    results = store.fetchObjectsOfClass(Thing)
    assert len(results) == 1
    # This tests the uniquing feature of MiddleKit:
    assert id(results[0]) == id(t)

    # Clear the store's in memory objects and try a fetch again
    store.clear()
    results = store.fetchObjectsOfClass(Thing)
    assert len(results) == 1
    assert results[0].allAttrs() == t.allAttrs()

    # Make sure what we got from the store is what we put in
    assert t.b() == values['b']
    assert t.i() == values['i']
    assert t.l() == values['l']
    assert t.f() == values['f']
    assert t.s() == values['s']

    # Reset
    store.clear()
    store.executeSQLTransaction('delete from Thing;')
    del t
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