mirror of https://github.com/celery/kombu.git
90 lines
2.3 KiB
Python
90 lines
2.3 KiB
Python
from __future__ import absolute_import, unicode_literals
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import pickle
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from heapq import heappush
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from time import time
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from case import Mock
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from kombu.clocks import LamportClock, timetuple
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class test_LamportClock:
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def test_clocks(self):
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c1 = LamportClock()
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c2 = LamportClock()
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c1.forward()
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c2.forward()
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c1.forward()
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c1.forward()
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c2.adjust(c1.value)
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assert c2.value == c1.value + 1
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assert repr(c1)
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c2_val = c2.value
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c2.forward()
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c2.forward()
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c2.adjust(c1.value)
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assert c2.value == c2_val + 2 + 1
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c1.adjust(c2.value)
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assert c1.value == c2.value + 1
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def test_sort(self):
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c = LamportClock()
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pid1 = 'a.example.com:312'
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pid2 = 'b.example.com:311'
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events = []
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m1 = (c.forward(), pid1)
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heappush(events, m1)
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m2 = (c.forward(), pid2)
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heappush(events, m2)
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m3 = (c.forward(), pid1)
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heappush(events, m3)
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m4 = (30, pid1)
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heappush(events, m4)
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m5 = (30, pid2)
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heappush(events, m5)
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assert str(c) == str(c.value)
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assert c.sort_heap(events) == m1
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assert c.sort_heap([m4, m5]) == m4
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assert c.sort_heap([m4, m5, m1]) == m4
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class test_timetuple:
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def test_repr(self):
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x = timetuple(133, time(), 'id', Mock())
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assert repr(x)
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def test_pickleable(self):
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x = timetuple(133, time(), 'id', 'obj')
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assert pickle.loads(pickle.dumps(x)) == tuple(x)
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def test_order(self):
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t1 = time()
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t2 = time() + 300 # windows clock not reliable
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a = timetuple(133, t1, 'A', 'obj')
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b = timetuple(140, t1, 'A', 'obj')
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assert a.__getnewargs__()
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assert a.clock == 133
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assert a.timestamp == t1
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assert a.id == 'A'
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assert a.obj == 'obj'
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assert a <= b
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assert b >= a
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assert (timetuple(134, time(), 'A', 'obj').__lt__(tuple()) is
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NotImplemented)
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assert timetuple(134, t2, 'A', 'obj') > timetuple(133, t1, 'A', 'obj')
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assert timetuple(134, t1, 'B', 'obj') > timetuple(134, t1, 'A', 'obj')
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assert (timetuple(None, t2, 'B', 'obj') >
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timetuple(None, t1, 'A', 'obj'))
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