Mercurial > hg
annotate tests/test-rust-discovery.py @ 42415:c767e655ffda
narrow: use narrow_widen wireproto command to widen in case of ellipses
Few releases ago, we introduce narrow_widen wireproto command to be used to widen
narrow repositories. Before this patch, that was used in non-ellipses cases
only. In ellipses cases, we still do exchange.pull() which can pull more data
than required.
After this patch, the client will first check whether server supports doing
ellipses widening using wireproto command or not by checking server's wireproto
capability. If the server is upto date and support latest ellipses capability,
we call the wireproto command. Otherwise we fallback to exchange.pull() like
before.
The compat code make sure that things works even if one of the client or server
is old. The initial version of this patch does not had this compat code. It's
added to help Google release things smoothly internally. I plan to drop the
compat code before the upcoming major release.
Due to change to wireproto command, the code looks a bit dirty, next patches
will clean that up.
Differential Revision: https://phab.mercurial-scm.org/D6436
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Wed, 22 May 2019 02:59:48 +0530 |
parents | 1b0be75cb61f |
children | a7f1a0b3f461 |
rev | line source |
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1 from __future__ import absolute_import |
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2 import unittest |
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3 |
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4 try: |
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5 from mercurial import rustext |
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6 rustext.__name__ # trigger immediate actual import |
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7 except ImportError: |
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8 rustext = None |
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9 else: |
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10 # this would fail already without appropriate ancestor.__package__ |
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11 from mercurial.rustext.discovery import ( |
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12 PartialDiscovery, |
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13 ) |
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14 |
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15 try: |
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16 from mercurial.cext import parsers as cparsers |
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17 except ImportError: |
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18 cparsers = None |
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19 |
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20 # picked from test-parse-index2, copied rather than imported |
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21 # so that it stays stable even if test-parse-index2 changes or disappears. |
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22 data_non_inlined = ( |
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23 b'\x00\x00\x00\x01\x00\x00\x00\x00\x00\x01D\x19' |
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24 b'\x00\x07e\x12\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff' |
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25 b'\xff\xff\xff\xff\xd1\xf4\xbb\xb0\xbe\xfc\x13\xbd\x8c\xd3\x9d' |
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26 b'\x0f\xcd\xd9;\x8c\x07\x8cJ/\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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27 b'\x00\x00\x00\x00\x00\x00\x01D\x19\x00\x00\x00\x00\x00\xdf\x00' |
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28 b'\x00\x01q\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\xff' |
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29 b'\xff\xff\xff\xc1\x12\xb9\x04\x96\xa4Z1t\x91\xdfsJ\x90\xf0\x9bh' |
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30 b'\x07l&\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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31 b'\x00\x01D\xf8\x00\x00\x00\x00\x01\x1b\x00\x00\x01\xb8\x00\x00' |
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32 b'\x00\x01\x00\x00\x00\x02\x00\x00\x00\x01\xff\xff\xff\xff\x02\n' |
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33 b'\x0e\xc6&\xa1\x92\xae6\x0b\x02i\xfe-\xe5\xbao\x05\xd1\xe7\x00' |
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34 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01F' |
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35 b'\x13\x00\x00\x00\x00\x01\xec\x00\x00\x03\x06\x00\x00\x00\x01' |
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36 b'\x00\x00\x00\x03\x00\x00\x00\x02\xff\xff\xff\xff\x12\xcb\xeby1' |
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37 b'\xb6\r\x98B\xcb\x07\xbd`\x8f\x92\xd9\xc4\x84\xbdK\x00\x00\x00' |
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38 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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39 ) |
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40 |
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41 |
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42 @unittest.skipIf(rustext is None or cparsers is None, |
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43 "rustext or the C Extension parsers module " |
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44 "discovery relies on is not available") |
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45 class rustdiscoverytest(unittest.TestCase): |
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46 """Test the correctness of binding to Rust code. |
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47 |
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48 This test is merely for the binding to Rust itself: extraction of |
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49 Python variable, giving back the results etc. |
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50 |
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51 It is not meant to test the algorithmic correctness of the provided |
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52 methods. Hence the very simple embedded index data is good enough. |
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53 |
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54 Algorithmic correctness is asserted by the Rust unit tests. |
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55 """ |
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56 |
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57 def parseindex(self): |
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58 return cparsers.parse_index2(data_non_inlined, False)[0] |
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59 |
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60 def testindex(self): |
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61 idx = self.parseindex() |
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62 # checking our assumptions about the index binary data: |
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63 self.assertEqual({i: (r[5], r[6]) for i, r in enumerate(idx)}, |
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64 {0: (-1, -1), |
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65 1: (0, -1), |
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66 2: (1, -1), |
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67 3: (2, -1)}) |
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68 |
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69 def testaddcommonsmissings(self): |
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70 idx = self.parseindex() |
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71 disco = PartialDiscovery(idx, [3]) |
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72 self.assertFalse(disco.hasinfo()) |
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73 self.assertFalse(disco.iscomplete()) |
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74 |
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75 disco.addcommons([1]) |
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76 self.assertTrue(disco.hasinfo()) |
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77 self.assertFalse(disco.iscomplete()) |
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78 |
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79 disco.addmissings([2]) |
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80 self.assertTrue(disco.hasinfo()) |
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81 self.assertTrue(disco.iscomplete()) |
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82 |
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83 self.assertEqual(disco.commonheads(), {1}) |
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84 |
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85 def testaddmissingsstats(self): |
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86 idx = self.parseindex() |
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87 disco = PartialDiscovery(idx, [3]) |
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88 self.assertIsNone(disco.stats()['undecided'], None) |
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89 |
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90 disco.addmissings([2]) |
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91 self.assertEqual(disco.stats()['undecided'], 2) |
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92 |
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93 def testaddinfocommonfirst(self): |
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94 idx = self.parseindex() |
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95 disco = PartialDiscovery(idx, [3]) |
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96 disco.addinfo([(1, True), (2, False)]) |
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97 self.assertTrue(disco.hasinfo()) |
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98 self.assertTrue(disco.iscomplete()) |
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99 self.assertEqual(disco.commonheads(), {1}) |
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100 |
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101 def testaddinfomissingfirst(self): |
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102 idx = self.parseindex() |
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103 disco = PartialDiscovery(idx, [3]) |
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104 disco.addinfo([(2, False), (1, True)]) |
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105 self.assertTrue(disco.hasinfo()) |
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106 self.assertTrue(disco.iscomplete()) |
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107 self.assertEqual(disco.commonheads(), {1}) |
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108 |
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109 if __name__ == '__main__': |
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110 import silenttestrunner |
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111 silenttestrunner.main(__name__) |