def test_calc_blob(self):
cursor = tBlobCursor(self.context)
cursor.deleteAll()
cursor.insert()
cursor.get(1)
self.assertEquals(1, cursor.id)
self.assertEquals(None, cursor.dat)
cursor.calcdat()
self.assertTrue(cursor.dat and cursor.dat.isNull())
os = cursor.dat.getOutStream()
osw = OutputStreamWriter(os, 'utf-8')
try:
osw.append('blob field')
finally:
osw.close()
cursor.update()
cursor.clear()
cursor.get(1)
cursor.calcdat()
bf = BufferedReader(
InputStreamReader(cursor.dat.getInStream(), 'utf-8'))
self.assertEquals('blob field', bf.readLine())
bf.close()
cursor.clear()
cursor.calcdat()
os = cursor.dat.getOutStream()
osw = OutputStreamWriter(os, 'utf-8')
try:
osw.append('blob field 2!')
finally:
osw.close()
cursor.insert()
cursor.clear()
cursor.get(2)
cursor.calcdat()
bf = BufferedReader(
InputStreamReader(cursor.dat.getInStream(), 'utf-8'))
self.assertEquals('blob field 2!', bf.readLine())
bf.close()
