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annotate limit_req.t @ 1982:fb25cbe9d4ec default tip

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Tests: explicit Valgrind support. Valgrind logging is done to a separate file, as it is not able to follow stderr redirection within nginx or append to a file without corrupting it. Further, Valgrind logging seems to interfere with error suppression in tests, and catches various startup errors and warnings, so the log is additionally filtered. Since startup under Valgrind can be really slow, timeout in waitforfile() was changed to 10 seconds. Prodded by Robert Mueller.
author Maxim Dounin <mdounin@mdounin.ru>
date Fri, 31 May 2024 06:23:00 +0300
parents 62e2baa3bc60
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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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(6);
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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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30 daemon off;
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32 events {
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33 }
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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 /status {
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49 limit_req zone=one burst=1 nodelay;
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51 limit_req_status 501;
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52 }
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53 location /long {
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54 limit_req zone=long burst=5;
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55 }
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56 location /fast {
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57 limit_req zone=fast burst=1;
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58 }
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59 }
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60 }
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61
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62 EOF
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64 $t->write_file('test1.html', 'XtestX');
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65 $t->write_file('long.html', "1234567890\n" x (1 << 16));
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66 $t->write_file('fast.html', 'XtestX');
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67 $t->run();
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69 ###############################################################################
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71 like(http_get('/test1.html'), qr/^HTTP\/1.. 200 /m, 'request');
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72 http_get('/test1.html');
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73 like(http_get('/test1.html'), qr/^HTTP\/1.. 503 /m, 'request rejected');
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74 like(http_get('/status.html'), qr/^HTTP\/1.. 501 /m, 'request rejected status');
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75 http_get('/test1.html');
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76 http_get('/test1.html');
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78 # Second request will be delayed by limit_req, make sure it isn't truncated.
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79 # The bug only manifests itself if buffer will be filled, so sleep for a while
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80 # before reading response.
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81
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82 my $l1 = length(http_get('/long.html'));
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83 my $l2 = length(http_get('/long.html', sleep => 0.6));
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84 is($l2, $l1, 'delayed big request not truncated');
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85
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86 # make sure rejected requests are not counted, and access is again allowed
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87 # after 1/rate seconds
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89 like(http_get('/test1.html'), qr/^HTTP\/1.. 200 /m, 'rejects not counted');
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90
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91 # make sure negative excess values are handled properly
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93 http_get('/fast.html');
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94 select undef, undef, undef, 0.1;
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95 like(http_get('/fast.html'), qr/^HTTP\/1.. 200 /m, 'negative excess');
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96
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97 ###############################################################################