72 lines
1.7 KiB
Python
72 lines
1.7 KiB
Python
import unittest
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from threading import Timer
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from cpl_reactive_extensions.observable import Observable
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from cpl_reactive_extensions.observer import Observer
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class ReactiveTestCase(unittest.TestCase):
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def setUp(self):
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pass
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def test_observer(self):
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called = 0
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has_error = False
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completed = False
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test_x = 1
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def callback(observer: Observer):
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nonlocal test_x
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observer.next(test_x)
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test_x += 1
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observer.next(test_x)
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test_x += 1
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observer.next(test_x)
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def complete():
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nonlocal test_x
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test_x += 1
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observer.next(test_x)
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observer.complete()
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Timer(1.0, complete).start()
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observable = Observable(callback)
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def on_next(x):
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nonlocal called
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called += 1
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self.assertEqual(test_x, x)
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def on_err():
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nonlocal has_error
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has_error = True
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def on_complete():
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nonlocal completed
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completed = True
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self.assertEqual(called, 0)
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self.assertFalse(has_error)
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self.assertFalse(completed)
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observable.subscribe(
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Observer(
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on_next,
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on_err,
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on_complete,
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)
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)
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self.assertEqual(called, 3)
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self.assertFalse(has_error)
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self.assertFalse(completed)
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def complete():
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self.assertEqual(called, 4)
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self.assertFalse(has_error)
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self.assertTrue(completed)
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Timer(1.0, complete).start()
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def test_subject(self):
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pass
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