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annotate tests/test-lrucachedict.py @ 33806:dedab036215d

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wireproto: use new peer interface The wirepeer class provides concrete implementations of peer interface methods for calling wire protocol commands. It makes sense for this class to inherit from the peer abstract base class. So we change that. Since httppeer and sshpeer have already been converted to the new interface, peerrepository is no longer adding any value. So it has been removed. httppeer and sshpeer have been updated to reflect the loss of peerrepository and the inheritance of the abstract base class in wirepeer. The code changes in wirepeer are reordering of methods to group by interface. Some Python code in tests was updated to reflect changed APIs. .. api:: peer.peerrepository has been removed. Use repository.peer abstract base class to represent a peer repository. Differential Revision: https://phab.mercurial-scm.org/D338
author Gregory Szorc <gregory.szorc@gmail.com>
date Thu, 10 Aug 2017 20:58:28 -0700
parents 79add5a4e857
children 067f7d2c7d60
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1 from __future__ import absolute_import, print_function
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2
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3 from mercurial import (
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4 util,
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5 )
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6
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7 def printifpresent(d, xs, name='d'):
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8 for x in xs:
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9 present = x in d
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10 print("'%s' in %s: %s" % (x, name, present))
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11 if present:
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12 print("%s['%s']: %s" % (name, x, d[x]))
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13
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14 def test_lrucachedict():
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15 d = util.lrucachedict(4)
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16 d['a'] = 'va'
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17 d['b'] = 'vb'
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18 d['c'] = 'vc'
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19 d['d'] = 'vd'
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20
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21 # all of these should be present
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22 printifpresent(d, ['a', 'b', 'c', 'd'])
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23
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24 # 'a' should be dropped because it was least recently used
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25 d['e'] = 've'
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26 printifpresent(d, ['a', 'b', 'c', 'd', 'e'])
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27
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28 assert d.get('a') is None
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29 assert d.get('e') == 've'
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30
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31 # touch entries in some order (get or set).
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32 d['e']
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33 d['c'] = 'vc2'
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34 d['d']
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35 d['b'] = 'vb2'
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36
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37 # 'e' should be dropped now
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38 d['f'] = 'vf'
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39 printifpresent(d, ['b', 'c', 'd', 'e', 'f'])
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40
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41 d.clear()
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42 printifpresent(d, ['b', 'c', 'd', 'e', 'f'])
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43
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44 # Now test dicts that aren't full.
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45 d = util.lrucachedict(4)
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46 d['a'] = 1
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47 d['b'] = 2
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48 d['a']
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49 d['b']
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50 printifpresent(d, ['a', 'b'])
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51
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52 # test copy method
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53 d = util.lrucachedict(4)
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54 d['a'] = 'va3'
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55 d['b'] = 'vb3'
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56 d['c'] = 'vc3'
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57 d['d'] = 'vd3'
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58
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59 dc = d.copy()
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60
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61 # all of these should be present
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62 print("\nAll of these should be present:")
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63 printifpresent(dc, ['a', 'b', 'c', 'd'], 'dc')
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64
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65 # 'a' should be dropped because it was least recently used
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66 print("\nAll of these except 'a' should be present:")
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67 dc['e'] = 've3'
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68 printifpresent(dc, ['a', 'b', 'c', 'd', 'e'], 'dc')
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69
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70 # contents and order of original dict should remain unchanged
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71 print("\nThese should be in reverse alphabetical order and read 'v?3':")
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72 dc['b'] = 'vb3_new'
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73 for k in list(iter(d)):
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74 print("d['%s']: %s" % (k, d[k]))
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75
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76 if __name__ == '__main__':
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77 test_lrucachedict()