Mercurial > hg
annotate tests/test-lrucachedict.py @ 28219:97fe88806f6f
check-code: allow old style class with special comments
The following chgserver change will use an old style class to comply with
SocketServer's code style. This patch made it possible to pass check-code.
author | Jun Wu <quark@fb.com> |
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date | Wed, 24 Feb 2016 18:42:14 +0000 |
parents | 6cd3044985c2 |
children | e3f01188d439 |
rev | line source |
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18603 | 1 from mercurial import util |
2 | |
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3 def printifpresent(d, xs, name='d'): |
18603 | 4 for x in xs: |
5 present = x in d | |
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6 print "'%s' in %s: %s" % (x, name, present) |
18603 | 7 if present: |
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8 print "%s['%s']: %s" % (name, x, d[x]) |
18603 | 9 |
10 def test_lrucachedict(): | |
11 d = util.lrucachedict(4) | |
12 d['a'] = 'va' | |
13 d['b'] = 'vb' | |
14 d['c'] = 'vc' | |
15 d['d'] = 'vd' | |
16 | |
17 # all of these should be present | |
18 printifpresent(d, ['a', 'b', 'c', 'd']) | |
19 | |
20 # 'a' should be dropped because it was least recently used | |
21 d['e'] = 've' | |
22 printifpresent(d, ['a', 'b', 'c', 'd', 'e']) | |
23 | |
24 # touch entries in some order (get or set). | |
25 d['e'] | |
26 d['c'] = 'vc2' | |
27 d['d'] | |
28 d['b'] = 'vb2' | |
29 | |
30 # 'e' should be dropped now | |
31 d['f'] = 'vf' | |
32 printifpresent(d, ['b', 'c', 'd', 'e', 'f']) | |
33 | |
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34 d.clear() |
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35 printifpresent(d, ['b', 'c', 'd', 'e', 'f']) |
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36 |
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37 # Now test dicts that aren't full. |
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38 d = util.lrucachedict(4) |
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39 d['a'] = 1 |
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40 d['b'] = 2 |
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41 d['a'] |
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42 d['b'] |
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43 printifpresent(d, ['a', 'b']) |
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44 |
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45 # test copy method |
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46 d = util.lrucachedict(4) |
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47 d['a'] = 'va3' |
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48 d['b'] = 'vb3' |
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49 d['c'] = 'vc3' |
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50 d['d'] = 'vd3' |
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51 |
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52 dc = d.copy() |
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53 |
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54 # all of these should be present |
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55 print "\nAll of these should be present:" |
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56 printifpresent(dc, ['a', 'b', 'c', 'd'], 'dc') |
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57 |
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58 # 'a' should be dropped because it was least recently used |
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59 print "\nAll of these except 'a' should be present:" |
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60 dc['e'] = 've3' |
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61 printifpresent(dc, ['a', 'b', 'c', 'd', 'e'], 'dc') |
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62 |
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63 # contents and order of original dict should remain unchanged |
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64 print "\nThese should be in reverse alphabetical order and read 'v?3':" |
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65 dc['b'] = 'vb3_new' |
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66 for k in list(iter(d)): |
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67 print "d['%s']: %s" % (k, d[k]) |
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68 |
18603 | 69 if __name__ == '__main__': |
70 test_lrucachedict() |