Mercurial > hg
view tests/test-lrucachedict.py @ 32402:c8e10565a113
error: add a new exception named WdirUnsupported
This series intents to support wdir() predicate with different operators
like ~, ^.
Currently the storage class don't support wdir(). This exception is introduced
so that it can be raised from places where wdir() is passed and is not
supported and we can catch this where we want to support the predicate.
Also throwing an error at low level and catching at some higher level is better
than using if-else especially for perf.
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Fri, 19 May 2017 19:10:37 +0530 |
parents | 79add5a4e857 |
children | 067f7d2c7d60 |
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from __future__ import absolute_import, print_function from mercurial import ( util, ) def printifpresent(d, xs, name='d'): for x in xs: present = x in d print("'%s' in %s: %s" % (x, name, present)) if present: print("%s['%s']: %s" % (name, x, d[x])) def test_lrucachedict(): d = util.lrucachedict(4) d['a'] = 'va' d['b'] = 'vb' d['c'] = 'vc' d['d'] = 'vd' # all of these should be present printifpresent(d, ['a', 'b', 'c', 'd']) # 'a' should be dropped because it was least recently used d['e'] = 've' printifpresent(d, ['a', 'b', 'c', 'd', 'e']) assert d.get('a') is None assert d.get('e') == 've' # touch entries in some order (get or set). d['e'] d['c'] = 'vc2' d['d'] d['b'] = 'vb2' # 'e' should be dropped now d['f'] = 'vf' printifpresent(d, ['b', 'c', 'd', 'e', 'f']) d.clear() printifpresent(d, ['b', 'c', 'd', 'e', 'f']) # Now test dicts that aren't full. d = util.lrucachedict(4) d['a'] = 1 d['b'] = 2 d['a'] d['b'] printifpresent(d, ['a', 'b']) # test copy method d = util.lrucachedict(4) d['a'] = 'va3' d['b'] = 'vb3' d['c'] = 'vc3' d['d'] = 'vd3' dc = d.copy() # all of these should be present print("\nAll of these should be present:") printifpresent(dc, ['a', 'b', 'c', 'd'], 'dc') # 'a' should be dropped because it was least recently used print("\nAll of these except 'a' should be present:") dc['e'] = 've3' printifpresent(dc, ['a', 'b', 'c', 'd', 'e'], 'dc') # contents and order of original dict should remain unchanged print("\nThese should be in reverse alphabetical order and read 'v?3':") dc['b'] = 'vb3_new' for k in list(iter(d)): print("d['%s']: %s" % (k, d[k])) if __name__ == '__main__': test_lrucachedict()