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annotate proxy_cache_revalidate.t @ 530:a61571a5f8df

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Tests: conditional requests only for cached 200/206 responses.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 03 Mar 2015 21:04:51 +0300
parents b86c05516e65
children 679a7669ee71
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
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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 qw/ :DEFAULT :gzip /;
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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 plan(skip_all => 'win32') if $^O eq 'MSWin32';
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25
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26 my $t = Test::Nginx->new()->has(qw/http proxy cache rewrite/)
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27 ->write_file_expand('nginx.conf', <<'EOF');
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28
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29 %%TEST_GLOBALS%%
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30
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31 daemon off;
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32
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33 events {
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34 }
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35
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36 http {
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37 %%TEST_GLOBALS_HTTP%%
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38
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39 proxy_cache_path %%TESTDIR%%/cache levels=1:2
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40 keys_zone=one:1m;
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41
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42 proxy_cache_revalidate on;
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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 server_name localhost;
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47
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48 location / {
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49 proxy_pass http://127.0.0.1:8081;
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50 proxy_cache one;
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51
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52 proxy_cache_valid 200 1s;
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53
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54 add_header X-Cache-Status $upstream_cache_status;
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55 }
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56 }
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57
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58 server {
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59 listen 127.0.0.1:8081;
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60 server_name localhost;
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61
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62 location / { }
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63 location /etag/ {
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64 proxy_pass http://127.0.0.1:8081/;
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65 proxy_hide_header Last-Modified;
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66 }
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67 location /201 {
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68 add_header Last-Modified "Mon, 02 Mar 2015 17:20:58 GMT";
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69 add_header Cache-Control "max-age=1";
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70 add_header X-If-Modified-Since $http_if_modified_since;
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71 return 201;
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72 }
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73 }
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74 }
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75
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76 EOF
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77
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78 $t->write_file('t', 'SEE-THIS');
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79 $t->write_file('t2', 'SEE-THIS');
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80
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81 $t->run()->plan(20);
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82
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83 ###############################################################################
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84
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85 # request documents and make sure they are cached
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86
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87 like(http_get('/t'), qr/X-Cache-Status: MISS.*SEE/ms, 'request');
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88 like(http_get('/t'), qr/X-Cache-Status: HIT.*SEE/ms, 'request cached');
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89
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90 like(http_get('/t2'), qr/X-Cache-Status: MISS.*SEE/ms, '2nd request');
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91 like(http_get('/t2'), qr/X-Cache-Status: HIT.*SEE/ms, '2nd request cached');
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92
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93 like(http_get('/etag/t'), qr/X-Cache-Status: MISS.*SEE/ms, 'etag');
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94 like(http_get('/etag/t'), qr/X-Cache-Status: HIT.*SEE/ms, 'etag cached');
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95
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96 like(http_get('/etag/t2'), qr/X-Cache-Status: MISS.*SEE/ms, 'etag2');
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97 like(http_get('/etag/t2'), qr/X-Cache-Status: HIT.*SEE/ms, 'etag2 cached');
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98
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99 like(http_get('/201'), qr/X-Cache-Status: MISS/, 'other status');
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100 like(http_get('/201'), qr/X-Cache-Status: HIT/, 'other status cached');
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101
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102 # wait for a while for cached responses to expire
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103
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104 select undef, undef, undef, 2.5;
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105
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106 # 1st document isn't modified, and should be revalidated on first request
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107 # (a 304 status code will appear in backend's logs), then cached again
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108
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109 like(http_get('/t'), qr/X-Cache-Status: REVALIDATED.*SEE/ms, 'revalidated');
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110 like(http_get('/t'), qr/X-Cache-Status: HIT.*SEE/ms, 'cached again');
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111
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112 select undef, undef, undef, 0.1;
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113 like($t->read_file('access.log'), qr/ 304 /, 'not modified');
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114
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115 # 2nd document is recreated with a new content
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116
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117 $t->write_file('t2', 'NEW');
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118 like(http_get('/t2'), qr/X-Cache-Status: EXPIRED.*NEW/ms, 'revalidate failed');
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119 like(http_get('/t2'), qr/X-Cache-Status: HIT.*NEW/ms, 'new response cached');
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120
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121 # the same for etag:
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122 # 1st document isn't modified
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123 # 2nd document is recreated
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124
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125 TODO: {
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126 local $TODO = 'not yet' unless $t->has_version('1.7.7');
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127
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128 like(http_get('/etag/t'), qr/X-Cache-Status: REVALIDATED.*SEE/ms,
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129 'etag revalidated');
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130
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131 }
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132
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133 like(http_get('/etag/t'), qr/X-Cache-Status: HIT.*SEE/ms,
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134 'etag cached again');
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135 like(http_get('/etag/t2'), qr/X-Cache-Status: EXPIRED.*NEW/ms,
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136 'etag2 revalidate failed');
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137 like(http_get('/etag/t2'), qr/X-Cache-Status: HIT.*NEW/ms,
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138 'etag2 new response cached');
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139
530
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Sergey Kandaurov <pluknet@nginx.com>
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140 # check that conditional requests are only used for 200/206 responses
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141
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142 # d0ce06cb9be1 in 1.7.3 changed to ignore header filter's work to strip
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143 # the Last-Modified header when storing non-200/206 in cache;
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144 # 1573fc7875fa in 1.7.9 effectively turned it back.
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145
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parents: 474
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146 unlike(http_get('/201'), qr/X-If-Modified/, 'other status no revalidation');
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147
353
19f58e91617a Tests: proxy cache revalidate tests.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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148 ###############################################################################