Mercurial > hg > nginx-tests
annotate limit_req.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 | 196d33c2bb45 |
children | 62e2baa3bc60 |
rev | line source |
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1 #!/usr/bin/perl |
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2 |
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3 # (C) Maxim Dounin |
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4 |
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5 # Tests for nginx limit_req module. |
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6 |
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7 ############################################################################### |
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8 |
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9 use warnings; |
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10 use strict; |
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11 |
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12 use Test::More; |
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13 |
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14 BEGIN { use FindBin; chdir($FindBin::Bin); } |
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15 |
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16 use lib 'lib'; |
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17 use Test::Nginx; |
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18 |
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19 ############################################################################### |
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20 |
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21 select STDERR; $| = 1; |
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22 select STDOUT; $| = 1; |
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23 |
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24 my $t = Test::Nginx->new()->has(qw/http limit_req/)->plan(5); |
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25 |
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26 $t->write_file_expand('nginx.conf', <<'EOF'); |
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27 |
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28 %%TEST_GLOBALS%% |
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29 |
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30 daemon off; |
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31 |
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32 events { |
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33 } |
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34 |
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35 http { |
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36 %%TEST_GLOBALS_HTTP%% |
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37 |
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38 limit_req_zone $binary_remote_addr zone=one:1m rate=2r/s; |
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39 limit_req_zone $binary_remote_addr zone=long:1m rate=2r/s; |
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40 limit_req_zone $binary_remote_addr zone=fast:1m rate=1000r/s; |
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41 |
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42 server { |
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43 listen 127.0.0.1:8080; |
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44 server_name localhost; |
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45 location / { |
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46 limit_req zone=one burst=1 nodelay; |
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47 } |
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48 location /long { |
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49 limit_req zone=long burst=5; |
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50 } |
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51 location /fast { |
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52 limit_req zone=fast burst=1; |
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53 } |
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54 } |
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55 } |
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56 |
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57 EOF |
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58 |
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59 $t->write_file('test1.html', 'XtestX'); |
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60 $t->write_file('long.html', "1234567890\n" x (1 << 16)); |
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61 $t->write_file('fast.html', 'XtestX'); |
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62 $t->run(); |
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63 |
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64 ############################################################################### |
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65 |
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66 like(http_get('/test1.html'), qr/^HTTP\/1.. 200 /m, 'request'); |
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67 http_get('/test1.html'); |
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68 like(http_get('/test1.html'), qr/^HTTP\/1.. 503 /m, 'request rejected'); |
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69 http_get('/test1.html'); |
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70 http_get('/test1.html'); |
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71 |
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72 # Second request will be delayed by limit_req, make sure it isn't truncated. |
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73 # The bug only manifests itself if buffer will be filled, so sleep for a while |
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74 # before reading response. |
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75 |
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76 my $l1 = length(http_get('/long.html')); |
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77 my $l2 = length(http_get('/long.html', sleep => 0.6)); |
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78 is($l2, $l1, 'delayed big request not truncated'); |
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79 |
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80 # make sure rejected requests are not counted, and access is again allowed |
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81 # after 1/rate seconds |
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82 |
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83 like(http_get('/test1.html'), qr/^HTTP\/1.. 200 /m, 'rejects not counted'); |
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84 |
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85 # make sure negative excess values are handled properly |
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86 |
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87 http_get('/fast.html'); |
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88 select undef, undef, undef, 0.1; |
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89 like(http_get('/fast.html'), qr/^HTTP\/1.. 200 /m, 'negative excess'); |
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90 |
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91 ############################################################################### |