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annotate proxy_cache_use_stale.t @ 1215:26884729e06b

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Tests: cope with resolver resend in mail resolver tests. Currently, if resolver didn't find PTR type in the answer section of PTR response, it keeps the node in the resend queue until the next timer event.
author Sergey Kandaurov <pluknet@nginx.com>
date Thu, 31 Aug 2017 19:09:04 +0300
parents 3ca5b0081bc6
children a3d23d16712d
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) Sergey Kandaurov
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4 # (C) Nginx, Inc.
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5
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6 # Tests for http proxy cache, proxy_cache_use_stale.
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7
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8 ###############################################################################
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9
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10 use warnings;
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11 use strict;
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12
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13 use Test::More;
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14
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15 use IO::Select;
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16
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17 BEGIN { use FindBin; chdir($FindBin::Bin); }
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18
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19 use lib 'lib';
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20 use Test::Nginx qw/ :DEFAULT http_end /;
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21
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22 ###############################################################################
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23
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24 select STDERR; $| = 1;
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25 select STDOUT; $| = 1;
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26
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27 my $t = Test::Nginx->new()->has(qw/http proxy cache rewrite limit_req ssi/)
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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 keys_zone=NAME:1m;
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41
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42 limit_req_zone $binary_remote_addr zone=one:1m rate=15r/m;
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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 /ssi.html {
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49 ssi on;
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50 sendfile_max_chunk 4k;
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51 }
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52
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53 location / {
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54 proxy_pass http://127.0.0.1:8081;
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55
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56 proxy_cache NAME;
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57
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58 proxy_cache_key $uri;
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59
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60 proxy_cache_revalidate on;
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61
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62 proxy_cache_background_update on;
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63
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64 add_header X-Cache-Status $upstream_cache_status;
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65
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66 location /t4.html {
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67 proxy_pass http://127.0.0.1:8081/t.html;
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68
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69 proxy_cache_revalidate off;
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70 }
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71
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72 location /t5.html {
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73 proxy_pass http://127.0.0.1:8081/t.html;
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74
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75 proxy_cache_background_update off;
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76 }
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77
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78 location /updating/ {
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79 proxy_pass http://127.0.0.1:8081/;
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80
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81 proxy_cache_use_stale updating;
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82 }
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83
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84 location /t7.html {
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85 proxy_pass http://127.0.0.1:8081;
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86
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87 sendfile_max_chunk 4k;
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88 }
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89
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90 location /t8.html {
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91 proxy_pass http://127.0.0.1:8081/t.html;
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92
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93 proxy_cache_valid 1s;
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94 }
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95
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96 if ($arg_if) {
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97 # nothing
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98 }
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99 }
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100 }
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101 server {
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102 listen 127.0.0.1:8081;
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103 server_name localhost;
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104
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105 add_header Cache-Control $http_x_cache_control;
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106
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107 if ($arg_lim) {
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108 set $limit_rate 1k;
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109 }
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110
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111 if ($arg_e) {
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112 return 500;
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113 }
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114
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115 location / { }
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116
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117 location /t6.html {
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118 limit_req zone=one burst=2;
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119 }
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120
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121 location /t9.html {
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122 add_header Cache-Control "max-age=1, stale-while-revalidate=10";
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123 }
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124 }
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125 }
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126
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127 EOF
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128
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129 $t->write_file('t.html', 'SEE-THIS');
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130 $t->write_file('tt.html', 'SEE-THIS');
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131 $t->write_file('t2.html', 'SEE-THIS');
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132 $t->write_file('t3.html', 'SEE-THIS');
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133 $t->write_file('t6.html', 'SEE-THIS');
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134 $t->write_file('t7.html', 'SEE-THIS' x 1024);
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135 $t->write_file('t9.html', 'SEE-THIS' x 1024);
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136 $t->write_file('ssi.html', 'xxx <!--#include virtual="/t9.html" --> xxx');
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137
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138 $t->try_run('no proxy_cache_background_update')->plan(29);
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139
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140 ###############################################################################
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141
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142 like(get('/t.html', 'max-age=1, stale-if-error=5'), qr/MISS/, 'stale-if-error');
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143 like(http_get('/t.html?e=1'), qr/HIT/, 's-i-e - cached');
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144
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145 like(get('/t2.html', 'max-age=1, stale-while-revalidate=10'), qr/MISS/,
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146 'stale-while-revalidate');
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147 like(http_get('/t2.html'), qr/HIT/, 's-w-r - cached');
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148
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149 get('/tt.html', 'max-age=1, stale-if-error=2');
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150 get('/t3.html', 'max-age=1, stale-while-revalidate=2');
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151 get('/t4.html', 'max-age=1, stale-while-revalidate=2');
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152 get('/t5.html', 'max-age=1, stale-while-revalidate=2');
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153 get('/t6.html', 'max-age=1, stale-while-revalidate=4');
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154 get('/t7.html', 'max-age=1, stale-while-revalidate=10');
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155 http_get('/ssi.html');
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156 get('/updating/t.html', 'max-age=1');
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157 get('/updating/t2.html', 'max-age=1, stale-while-revalidate=2');
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158 get('/t8.html', 'stale-while-revalidate=10');
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159
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160 sleep 2;
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161
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162 like(http_get('/t.html?e=1'), qr/STALE/, 's-i-e - stale');
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163 like(http_get('/tt.html?e=1'), qr/STALE/, 's-i-e - stale 2');
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164 like(http_get('/t.html'), qr/REVALIDATED/, 's-i-e - revalidated');
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165
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166 like(http_get('/t2.html?e=1'), qr/STALE/, 's-w-r - revalidate error');
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167 like(http_get('/t2.html'), qr/STALE/, 's-w-r - stale while revalidate');
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168 like(http_get('/t2.html'), qr/HIT/, 's-w-r - revalidated');
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169
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170 like(get('/t4.html', 'max-age=1, stale-while-revalidate=2'), qr/STALE/,
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171 's-w-r - unconditional revalidate');
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172 like(http_get('/t4.html'), qr/HIT/, 's-w-r - unconditional revalidated');
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173
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174 like(http_get('/t5.html?e=1'), qr/STALE/,
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175 's-w-r - foreground revalidate error');
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176 like(http_get('/t5.html'), qr/REVALIDATED/, 's-w-r - foreground revalidated');
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177
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178 # UPDATING while s-w-r
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179
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180 $t->write_file('t6.html', 'SEE-THAT');
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181
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182 my $s = get('/t6.html', 'max-age=1, stale-while-revalidate=2', start => 1);
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183 select undef, undef, undef, 0.2;
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184 like(http_get('/t6.html'), qr/UPDATING.*SEE-THIS/s, 's-w-r - updating');
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185 like(http_end($s), qr/STALE.*SEE-THIS/s, 's-w-r - updating stale');
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186 like(http_get('/t6.html'), qr/HIT.*SEE-THAT/s, 's-w-r - updating revalidated');
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187
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188 # stale-while-revalidate with proxy_cache_use_stale updating
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189
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190 like(http_get('/updating/t.html'), qr/STALE/,
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191 's-w-r - use_stale updating stale');
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192 like(http_get('/updating/t.html'), qr/HIT/,
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193 's-w-r - use_stale updating revalidated');
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194
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195 # stale-while-revalidate with proxy_cache_valid
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196
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197 like(http_get('/t8.html'), qr/STALE/, 's-w-r - proxy_cache_valid revalidate');
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198 like(http_get('/t8.html'), qr/HIT/, 's-w-r - proxy_cache_valid revalidated');
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199
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200 sleep 2;
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201
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202 like(http_get('/t2.html?e=1'), qr/STALE/, 's-w-r - stale after revalidate');
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203 like(http_get('/t3.html?e=1'), qr/ 500 /, 's-w-r - ceased');
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204 like(http_get('/tt.html?e=1'), qr/ 500 /, 's-i-e - ceased');
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205 like(http_get('/updating/t2.html'), qr/STALE/,
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206 's-w-r - overriden with use_stale updating');
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207
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208 # stale response not blocked by background update.
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209 # before 1.13.1, if stale response was not sent in one pass, its remaining
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210 # part was blocked and not sent until background update has been finished
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211
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212 TODO: {
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213 local $TODO = 'not yet' unless $t->has_version('1.13.1');
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214
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215 $t->write_file('t7.html', 'SEE-THAT' x 1024);
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216
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217 my $r = read_all(get('/t7.html?lim=1', 'max-age=1', start => 1));
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218 like($r, qr/STALE.*^(SEE-THIS){1024}$/ms, 's-w-r - stale response not blocked');
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219
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220 $t->write_file('t9.html', 'SEE-THAT' x 1024);
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221 $t->write_file('ssi.html', 'xxx <!--#include virtual="/t9.html?lim=1" --> xxx');
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222
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diff changeset
223 $r = read_all(http_get('/ssi.html', start => 1));
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224 like($r, qr/^xxx (SEE-THIS){1024} xxx$/ms, 's-w-r - not blocked in subrequest');
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225
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diff changeset
226 }
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227
1179
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diff changeset
228 # "aio_write" is used to produce "open socket ... left in connection" alerts.
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229
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diff changeset
230 $t->todo_alerts() if $t->read_file('nginx.conf') =~ /aio_write on/
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diff changeset
231 and $t->read_file('nginx.conf') =~ /aio threads/ and $^O eq 'freebsd';
660147bfe68c Tests: TODO proxy_cache_use_stale.t alert seen with "aio_write".
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diff changeset
232
1138
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diff changeset
233 # due to the missing content_handler inheritance in a cloned subrequest,
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diff changeset
234 # this used to access a static file in the update request
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235
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diff changeset
236 like(http_get('/t2.html?if=1'), qr/STALE/, 'background update in if');
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237
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diff changeset
238 TODO: {
d6acd17ca4e3 Tests: added proxy_cache_background_update + if test.
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diff changeset
239 local $TODO = 'not yet' unless $t->has_version('1.11.11');
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240
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241 like(http_get('/t2.html?if=1'), qr/HIT/, 'background update in if - updated');
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242
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243 }
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244
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245 ###############################################################################
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246
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247 sub get {
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248 my ($url, $extra, %extra) = @_;
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249 return http(<<EOF, %extra);
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250 GET $url HTTP/1.1
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251 Host: localhost
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252 Connection: close
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253 X-Cache-Control: $extra
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254
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255 EOF
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256 }
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257
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258 # background update is known to postpone closing connection with client
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259
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260 sub read_all {
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261 my ($s) = @_;
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262 my $r = '';
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263 while (IO::Select->new($s)->can_read(1)) {
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264 $s->sysread(my $buf, 8192) or last;
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265 log_in($buf);
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266 $r .= $buf;
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267 }
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268 return $r;
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269 }
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270
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271 ###############################################################################