Mercurial > hg > nginx-tests
annotate stream_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 | 3fc6817cd84a |
children | 766bcbb632ee |
rev | line source |
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Tests: basic tests for stream split_clients module.
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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 stream 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 use Test::Nginx::Stream qw/ stream /; |
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20 |
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21 ############################################################################### |
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22 |
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23 select STDERR; $| = 1; |
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24 select STDOUT; $| = 1; |
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25 |
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26 my $t = Test::Nginx->new()->has(qw/stream stream_split_clients stream_return/); |
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27 |
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28 $t->write_file_expand('nginx.conf', <<'EOF'); |
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29 |
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30 %%TEST_GLOBALS%% |
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31 |
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32 daemon off; |
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33 |
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34 events { |
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35 } |
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36 |
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37 stream { |
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38 split_clients $connection $variant { |
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39 51.2% "first"; |
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40 10% "second"; |
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41 * "third"; |
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42 } |
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43 |
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44 server { |
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45 listen 127.0.0.1:8080; |
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46 return $variant; |
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47 } |
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48 } |
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49 |
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50 EOF |
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51 |
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52 $t->try_run('no stream split_clients'); |
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53 $t->plan(1); |
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54 |
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55 ############################################################################### |
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56 |
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57 # NB: split_clients distribution is a subject to implementation details |
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58 |
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59 like(many('/', 20), qr/first: 12, second: 2, third: 6/, 'split'); |
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60 |
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61 ############################################################################### |
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62 |
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63 sub many { |
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64 my ($uri, $count) = @_; |
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65 my %dist; |
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66 |
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67 for (1 .. $count) { |
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68 if (my $data = stream('127.0.0.1:' . port(8080))->read()) { |
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69 $dist{$data} = 0 unless defined $data; |
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70 $dist{$data}++; |
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71 } |
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72 } |
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73 |
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74 return join ', ', map { $_ . ": " . $dist{$_} } sort keys %dist; |
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75 } |
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76 |
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77 ############################################################################### |