def test_invoker(self):
screen = Screen('hello world!!')
client = ScreenInvoker()
cut_command = CutCommand(screen, start=5, end=11)
client.store_and_execute(cut_command)
self.assertEquals('hello!!', screen.text)
paste_command = PasteCommand(screen, offset=0)
client.store_and_execute(paste_command)
self.assertEquals(' worldhello!!', screen.text)
copy_command = CopyCommand(screen, start=0, end=screen.length())
client.store_and_execute(copy_command)
paste_command2 = PasteCommand(screen, offset=0)
client.store_and_execute(paste_command2)
self.assertEquals(' worldhello!! worldhello!!', screen.text)
#undo last paste
client.undo_last()
self.assertEquals(' worldhello!!', screen.text)
#undo copy
client.undo_last()
self.assertEquals(' worldhello!!', screen.text)
self.assertEquals('', screen.clipboard)
#undo paste
client.undo_last()
self.assertEquals('hello!!', screen.text)
#undo cut
client.undo_last()
self.assertEquals('hello world!!', screen.text)
def test_invoker(self):
screen = Screen('hello world!!')
client = ScreenInvoker()
cut_command = CutCommand(screen, start=5, end=11)
client.store_and_execute(cut_command)
self.assertEquals('hello!!', screen.text)
paste_command = PasteCommand(screen, offset=0)
client.store_and_execute(paste_command)
self.assertEquals(' worldhello!!', screen.text)
copy_command = CopyCommand(screen, start=0, end=screen.length())
client.store_and_execute(copy_command)
paste_command2 = PasteCommand(screen, offset=0)
client.store_and_execute(paste_command2)
self.assertEquals(' worldhello!! worldhello!!', screen.text)
#undo last paste
client.undo_last()
self.assertEquals(' worldhello!!', screen.text)
#undo copy
client.undo_last()
self.assertEquals(' worldhello!!', screen.text)
self.assertEquals('', screen.clipboard)
#undo paste
client.undo_last()
self.assertEquals('hello!!', screen.text)
#undo cut
client.undo_last()
self.assertEquals('hello world!!', screen.text)
def test_cut_command(self):
screen = Screen('hello world!!')
command = CutCommand(screen, start=5, end=11)
command.execute()
self.assertEquals('hello!!', screen.text)
self.assertEquals(' world', screen.clipboard)
command.undo()
self.assertEquals('hello world!!', screen.text)
def test_copy_command(self):
screen = Screen('hello world!!')
command = CopyCommand(screen, start=4, end=8)
command.execute()
self.assertEquals('o wo', screen.clipboard)
self.assertEquals('hello world!!', screen.text)
command.undo()
self.assertEquals('', screen.clipboard)
def test_copy(self):
screen = Screen('hello world!!')
screen.copy(start=4, end=8)
self.assertEquals('o wo', screen.clipboard)
self.assertEquals('hello world!!', screen.text)
def test_cut(self):
screen = Screen('hello world!!')
screen.cut(start=5, end=11)
self.assertEquals('hello!!', screen.text)
self.assertEquals(' world', screen.clipboard)
def test_paste(self):
screen = Screen('hello world!!')
screen.copy(start=0, end=5)
screen.paste(screen.length())
self.assertEquals('hello world!!hello', screen.text)
def test_copy(self):
screen = Screen('hello world!!')
screen.copy(start=4, end=8)
self.assertEquals('o wo', screen.clipboard)
self.assertEquals('hello world!!', screen.text)
def test_cut(self):
screen = Screen('hello world!!')
screen.cut(start=5, end=11)
self.assertEquals('hello!!', screen.text)
self.assertEquals(' world', screen.clipboard)
def test_paste(self):
screen = Screen('hello world!!')
screen.copy(start=0, end=5)
screen.paste(screen.length())
self.assertEquals('hello world!!hello', screen.text)
from factory import ShapeFactory
f = ShapeFactory()
s = f.getShape('Square')
print(s, s.draw())
from command import Screen, ScreenInvoker, CutCommand, PasteCommand
test_data = "Hello world"
x = Screen(test_data)
re = x.__str__()
# print(re)
cut = CutCommand(x, start=5, end=11)
client = ScreenInvoker()
client.store_and_execute(cut)
re = x.__str__()
print(re)
from observer import Obserable, AmericanStockMarket, EuropeanStockMarket
really_big_company = Obserable()
american_observer = AmericanStockMarket()
really_big_company.register(american_observer)
european_observer = EuropeanStockMarket()
really_big_company.register(european_observer)
really_big_company.update_observers('important_update',
msg='CEO unexpectedly resigns!')
