Mercurial > hg > nginx-tests
annotate stream_split_clients.t @ 1236:93f749c1d5c5
Tests: fixed parallel tests execution with UDP.
Previously, when checking ports availability, a UDP socket was always created
first, then a TCP socket was created. On success, one of UDP and TCP sockets
was closed (depending on the "udp" option) and the second one was used to busy
this port in other scripts. This lead to the following problem: in an attempt
to reopen a UDP socket used in a given testing script it could be stolen by
another script as part of checking ports availability.
To solve this problem, UDP and TCP ports were split into two non-overlapping
ranges: TCP ports are only used in the range 8000-8499, and UDP ports - in
the range 8500-8999. In addition, the order of creating sockets in UDP tests
has been reversed: now a TCP socket used as a lock precedes a UDP socket.
author | Andrey Zelenkov <zelenkov@nginx.com> |
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date | Thu, 26 Oct 2017 18:00:21 +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 ############################################################################### |