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annotate limit-req.t @ 105:bb5b5e69b45e

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Tests: empty cached subrequests shouldn't cause alerts. This problem was once fixed in 0.8.16. Make sure it won't be reintroduced.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 13 Oct 2009 03:05:19 +0400
parents 4ae2198b97ec
children 1c0ec30614c6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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c893908c1a44 Tests: add some limit_req module tests.
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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()->plan(5);
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26 $t->write_file_expand('nginx.conf', <<'EOF');
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27
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28 master_process off;
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29 daemon off;
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30
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31 events {
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32 }
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34 http {
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35 access_log off;
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36 root %%TESTDIR%%;
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37
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38 client_body_temp_path %%TESTDIR%%/client_body_temp;
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39 fastcgi_temp_path %%TESTDIR%%/fastcgi_temp;
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40 proxy_temp_path %%TESTDIR%%/proxy_temp;
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41
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42 limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s;
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43 limit_req_zone $binary_remote_addr zone=long:10m rate=1r/m;
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44 limit_req_zone $binary_remote_addr zone=fast:10m rate=1000r/s;
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45
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46 server {
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47 listen 127.0.0.1:8080;
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48 server_name localhost;
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49 location / {
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50 limit_req zone=one burst=1 nodelay;
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51 }
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52 location /long {
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53 limit_req zone=long burst=5;
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54 }
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55 location /fast {
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56 limit_req zone=fast burst=1;
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57 }
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58 }
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59 }
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60
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61 EOF
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62
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63 $t->write_file('test1.html', 'XtestX');
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64 $t->write_file('long.html', "1234567890\n" x (1 << 16));
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65 $t->write_file('fast.html', 'XtestX');
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66 $t->run();
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68 ###############################################################################
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70 like(http_get('/test1.html'), qr/^HTTP\/1.. 200 /m, 'request');
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71 http_get('/test1.html');
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72 like(http_get('/test1.html'), qr/^HTTP\/1.. 503 /m, 'request rejected');
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73 http_get('/test1.html');
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74 http_get('/test1.html');
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75
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76 # Second request will be delayed by limit_req, make sure it isn't truncated.
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77 # The bug only manifests itself if buffer will be filled, so sleep for a while
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78 # before reading response.
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80 my $l1 = length(http_get('/long.html'));
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81 my $l2 = length(http_get('/long.html', sleep => 1.1));
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82 is($l2, $l1, 'delayed big request not truncated');
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83
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84 # make sure rejected requests are not counted, and access is again allowed
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85 # after 1/rate seconds
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87 like(http_get('/test1.html'), qr/^HTTP\/1.. 200 /m, 'rejects not counted');
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88
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89 # make sure negative excess values are handled properly
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90
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91 http_get('/fast.html');
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92 select undef, undef, undef, 0.1;
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93 like(http_get('/fast.html'), qr/^HTTP\/1.. 200 /m, 'negative excess');
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94
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95 ###############################################################################