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annotate proxy_cache_revalidate.t @ 391:915ef26ac6eb

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Tests: fix proxy_unfinished.t failures with big buffers. With newer systems it becomes common to use huge socket buffers, and the "no proxy temp" test may unexpectedly fail because disk buffering will not be used. To reduce this possibility, the "listen ... sndbuf=32k" was added. Additionally, regular expression was changed to silently allow full responses.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 15 Apr 2014 22:04:08 +0400
parents fb366c51eac6
children c28ecaef065f
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 http proxy cache revalidation with conditional requests.
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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 use Socket qw/ CRLF /;
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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 qw/ :DEFAULT :gzip /;
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19
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20 ###############################################################################
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21
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22 select STDERR; $| = 1;
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23 select STDOUT; $| = 1;
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24
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25 plan(skip_all => 'win32') if $^O eq 'MSWin32';
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26
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27 my $t = Test::Nginx->new()->has(qw/http proxy cache/)
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28 ->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 http {
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38 %%TEST_GLOBALS_HTTP%%
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39
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40 proxy_cache_path %%TESTDIR%%/cache levels=1:2
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41 keys_zone=one:1m;
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42
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43 proxy_cache_revalidate on;
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44
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45 server {
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46 listen 127.0.0.1:8080;
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47 server_name localhost;
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48
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49 location / {
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50 proxy_pass http://127.0.0.1:8081;
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51 proxy_cache one;
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52
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53 proxy_cache_valid 200 1s;
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54
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55 add_header X-Cache-Status $upstream_cache_status;
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56 }
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57 }
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58
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59 server {
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60 listen 127.0.0.1:8081;
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61 server_name localhost;
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62 }
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63 }
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64
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65 EOF
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66
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67 $t->write_file('t', 'SEE-THIS');
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68 $t->write_file('t2', 'SEE-THIS');
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69
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70 eval {
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71 open OLDERR, ">&", \*STDERR; close STDERR;
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72 $t->run();
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73 open STDERR, ">&", \*OLDERR;
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74 };
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75 plan(skip_all => 'no proxy_cache_revalidate') if $@;
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76 $t->plan(9);
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77
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78 ###############################################################################
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79
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80 # request documents and make sure they are cached
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81
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82 like(http_get('/t'), qr/X-Cache-Status: MISS.*SEE/ms, 'request');
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83 like(http_get('/t'), qr/X-Cache-Status: HIT.*SEE/ms, 'request cached');
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84
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85 like(http_get('/t2'), qr/X-Cache-Status: MISS.*SEE/ms, '2nd request');
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86 like(http_get('/t2'), qr/X-Cache-Status: HIT.*SEE/ms, '2nd request cached');
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87
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88 # wait for a while for cached responses to expire
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89
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90 select undef, undef, undef, 2.5;
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91
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92 # 1st document isn't modified, and should be revalidated on first request
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93 # (a 304 status code will appear in backend's logs), then cached again
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94
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95 like(http_get('/t'), qr/X-Cache-Status: REVALIDATED.*SEE/ms, 'revalidated');
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96 like(http_get('/t'), qr/X-Cache-Status: HIT.*SEE/ms, 'request cached');
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97
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98 select undef, undef, undef, 0.1;
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99 like(read_file($t->testdir() . '/access.log'), qr/ 304 /, 'not modified');
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100
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101 # 2nd document is recreated with a new content
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102
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103 $t->write_file('t2', 'NEW');
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104 like(http_get('/t2'), qr/X-Cache-Status: EXPIRED.*NEW/ms, 'revalidate failed');
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105 like(http_get('/t2'), qr/X-Cache-Status: HIT.*NEW/ms, 'new response cached');
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106
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107 ###############################################################################
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108
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109 sub read_file {
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110 my ($file) = @_;
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111 my $log;
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112
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113 local $/;
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114
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115 open LOG, $file or die "Can't open $file: $!\n";
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116 $log = <LOG>;
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117 close LOG;
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118
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119 return $log;
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120 }
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121
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122 ###############################################################################