Coverage for tests / test_caching_limited_butler.py: 42%

1# This file is part of pipe_base. 

2# 

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6# See the COPYRIGHT file at the top-level directory of this distribution 

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13# (but note that there is still no warranty even if you opt for BSD instead): 

14# 

15# This program is free software: you can redistribute it and/or modify 

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19# 

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21# but WITHOUT ANY WARRANTY; without even the implied warranty of 

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23# GNU General Public License for more details. 

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27 

28"""Tests for execution butler.""" 

29 

30import os 

31import unittest 

32 

33import lsst.utils.tests 

34from lsst.pipe.base.caching_limited_butler import CachingLimitedButler 

35from lsst.pipe.base.tests.mocks import InMemoryRepo 

36 

37TESTDIR = os.path.abspath(os.path.dirname(__file__)) 

38 

39 

40class CachingLimitedButlerTestCase(unittest.TestCase): 

41 """A very minimal test of CachingLimitedButler""" 

42 

43 # TODO: expand these tests in DM-43353 

44 

45 def test_init(self): 

46 helper = InMemoryRepo("base.yaml") 

47 self.enterContext(helper) 

48 helper.add_task() 

49 refs = helper.insert_datasets("dataset_auto0") 

50 in_memory_butler = helper.make_limited_butler() 

51 caching_butler = CachingLimitedButler(in_memory_butler) 

52 mock_dataset = caching_butler.get(refs[0]) 

53 self.assertIsNotNone(mock_dataset) 

54 with caching_butler.record_metrics() as metrics: 

55 caching_butler.get(refs[0]) 

56 self.assertEqual(metrics.n_get, 1) 

57 

58 

59if __name__ == "__main__": 

60 lsst.utils.tests.init() 

61 unittest.main()