Mercurial > hg > nginx-tests
annotate split_clients.t @ 1240:f7eb2875ed45
Tests: avoid interleaved output in Upgrade handling tests.
When the testing script is run in verbose mode by prove that redirects stdout,
a garbled verbose mode line from backend can be produced that incorporates TAP
output of an individual test result, which eventually breaks the testing plan.
Notably, this happens when testing sending multiple frames if backend started
to respond before all frames were received. This is possible due to the line
boundary used as an indicator of last bytes to receive before starting to send.
The fix is to amend the only last frame of many specially, for that purpose.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Wed, 15 Nov 2017 20:16:09 +0300 |
parents | 882267679006 |
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1 #!/usr/bin/perl |
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2 |
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3 # (C) Sergey Kandaurov |
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4 # (C) Nginx, Inc. |
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5 |
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6 # Tests for split_client module. |
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7 |
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8 ############################################################################### |
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9 |
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10 use warnings; |
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11 use strict; |
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12 |
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13 use Test::More; |
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14 |
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15 BEGIN { use FindBin; chdir($FindBin::Bin); } |
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16 |
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17 use lib 'lib'; |
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18 use Test::Nginx; |
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19 |
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20 ############################################################################### |
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21 |
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22 select STDERR; $| = 1; |
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23 select STDOUT; $| = 1; |
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24 |
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25 my $t = Test::Nginx->new()->has(qw/http split_clients/)->plan(1); |
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26 |
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27 $t->write_file_expand('nginx.conf', <<'EOF'); |
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28 |
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29 %%TEST_GLOBALS%% |
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30 |
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31 daemon off; |
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32 |
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33 events { |
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34 } |
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35 |
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36 http { |
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37 %%TEST_GLOBALS_HTTP%% |
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38 |
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39 split_clients $connection $variant { |
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40 51.2% ".one"; |
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41 10% ".two"; |
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42 * ".three"; |
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43 } |
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44 |
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45 server { |
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46 listen 127.0.0.1:8080; |
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47 server_name localhost; |
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48 |
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49 location / { |
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50 index index${variant}.html; |
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51 } |
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52 } |
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53 } |
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54 |
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55 EOF |
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56 |
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57 $t->write_file('index.one.html', 'first'); |
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58 $t->write_file('index.two.html', 'second'); |
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59 $t->write_file('index.three.html', 'third'); |
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60 |
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61 $t->run(); |
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62 |
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63 ############################################################################### |
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64 |
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65 # NB: split_clients distribution is a subject to implementation details |
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66 |
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67 like(many('/', 20), qr/first: 12, second: 2, third: 6/, 'split'); |
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68 |
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69 ############################################################################### |
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70 |
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71 sub many { |
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72 my ($uri, $count) = @_; |
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73 my %dist; |
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74 |
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75 for (1 .. $count) { |
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76 if (http_get($uri) =~ /(first|second|third)/) { |
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77 $dist{$1} = 0 unless defined $dist{$1}; |
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78 $dist{$1}++; |
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79 } |
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80 } |
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81 |
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82 return join ', ', map { $_ . ": " . $dist{$_} } sort keys %dist; |
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83 } |
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84 |
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85 ############################################################################### |