66 lines
2.4 KiB
Python
66 lines
2.4 KiB
Python
import util
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class ExampleClass(object):
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def __init__(self):
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self.called = []
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self.onChanged = util.Event()
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def increment(self, title):
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self.called.append(title)
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class TestEvent:
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def testEvent(self):
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test_obj = ExampleClass()
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test_obj.onChanged.append(lambda: test_obj.increment("Called #1"))
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test_obj.onChanged.append(lambda: test_obj.increment("Called #2"))
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test_obj.onChanged.once(lambda: test_obj.increment("Once"))
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assert test_obj.called == []
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test_obj.onChanged()
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assert test_obj.called == ["Called #1", "Called #2", "Once"]
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test_obj.onChanged()
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test_obj.onChanged()
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assert test_obj.called == ["Called #1", "Called #2", "Once", "Called #1", "Called #2", "Called #1", "Called #2"]
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def testOnce(self):
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test_obj = ExampleClass()
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test_obj.onChanged.once(lambda: test_obj.increment("Once test #1"))
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# It should be called only once
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assert test_obj.called == []
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test_obj.onChanged()
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assert test_obj.called == ["Once test #1"]
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test_obj.onChanged()
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test_obj.onChanged()
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assert test_obj.called == ["Once test #1"]
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def testOnceMultiple(self):
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test_obj = ExampleClass()
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# Allow queue more than once
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test_obj.onChanged.once(lambda: test_obj.increment("Once test #1"))
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test_obj.onChanged.once(lambda: test_obj.increment("Once test #2"))
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test_obj.onChanged.once(lambda: test_obj.increment("Once test #3"))
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assert test_obj.called == []
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test_obj.onChanged()
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assert test_obj.called == ["Once test #1", "Once test #2", "Once test #3"]
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test_obj.onChanged()
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test_obj.onChanged()
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assert test_obj.called == ["Once test #1", "Once test #2", "Once test #3"]
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def testOnceNamed(self):
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test_obj = ExampleClass()
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# Dont store more that one from same type
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test_obj.onChanged.once(lambda: test_obj.increment("Once test #1/1"), "type 1")
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test_obj.onChanged.once(lambda: test_obj.increment("Once test #1/2"), "type 1")
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test_obj.onChanged.once(lambda: test_obj.increment("Once test #2"), "type 2")
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assert test_obj.called == []
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test_obj.onChanged()
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assert test_obj.called == ["Once test #1/1", "Once test #2"]
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test_obj.onChanged()
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test_obj.onChanged()
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assert test_obj.called == ["Once test #1/1", "Once test #2"]
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