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annotate proxy_cache_use_stale.t @ 1138:d6acd17ca4e3

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Tests: added proxy_cache_background_update + if test.
author Sergey Kandaurov <pluknet@nginx.com>
date Mon, 27 Feb 2017 17:15:24 +0300
parents 129b9e4ca3b3
children 4039b6b3a75a
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d77c331affff Tests: proxy_cache_use_stale tests with Cache-Control in response.
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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 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 http_end /;
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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 my $t = Test::Nginx->new()->has(qw/http proxy cache rewrite limit_req/)
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26 ->write_file_expand('nginx.conf', <<'EOF');
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27
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28 %%TEST_GLOBALS%%
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29
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30 daemon off;
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31
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32 events {
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33 }
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34
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35 http {
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36 %%TEST_GLOBALS_HTTP%%
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37
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38 proxy_cache_path %%TESTDIR%%/cache levels=1:2 keys_zone=NAME:1m;
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39
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40 limit_req_zone $binary_remote_addr zone=one:1m rate=15r/m;
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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
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46 location / {
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47 proxy_pass http://127.0.0.1:8081;
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48
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49 proxy_cache NAME;
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50
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51 proxy_cache_key $uri;
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52
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53 proxy_cache_revalidate on;
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54
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55 proxy_cache_background_update on;
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56
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57 add_header X-Cache-Status $upstream_cache_status;
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58
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59 location /t4.html {
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60 proxy_pass http://127.0.0.1:8081/t.html;
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61
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62 proxy_cache_revalidate off;
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63 }
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64
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65 location /t5.html {
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66 proxy_pass http://127.0.0.1:8081/t.html;
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67
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68 proxy_cache_background_update off;
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69 }
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70
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71 location /updating/ {
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72 proxy_pass http://127.0.0.1:8081/;
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73
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74 proxy_cache_use_stale updating;
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75 }
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76
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77 location /t8.html {
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78 proxy_pass http://127.0.0.1:8081/t.html;
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79
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80 proxy_cache_valid 1s;
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81 }
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82
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83 if ($arg_if) {
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84 # nothing
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85 }
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86 }
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87 }
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88 server {
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89 listen 127.0.0.1:8081;
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90 server_name localhost;
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91
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92 add_header Cache-Control $http_x_cache_control;
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93
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94 if ($arg_e) {
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95 return 500;
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96 }
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97
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98 location / { }
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99
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100 location /t6.html {
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101 limit_req zone=one burst=2;
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102 }
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103 }
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104 }
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105
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106 EOF
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107
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108 $t->write_file('t.html', 'SEE-THIS');
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109 $t->write_file('tt.html', 'SEE-THIS');
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110 $t->write_file('t2.html', 'SEE-THIS');
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111 $t->write_file('t3.html', 'SEE-THIS');
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112 $t->write_file('t6.html', 'SEE-THIS');
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113
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114 $t->try_run('no proxy_cache_background_update')->plan(27);
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115
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116 ###############################################################################
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117
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118 like(get('/t.html', 'max-age=1, stale-if-error=5'), qr/MISS/, 'stale-if-error');
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119 like(http_get('/t.html?e=1'), qr/HIT/, 's-i-e - cached');
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120
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121 like(get('/t2.html', 'max-age=1, stale-while-revalidate=10'), qr/MISS/,
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122 'stale-while-revalidate');
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123 like(http_get('/t2.html'), qr/HIT/, 's-w-r - cached');
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124
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125 get('/tt.html', 'max-age=1, stale-if-error=2');
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126 get('/t3.html', 'max-age=1, stale-while-revalidate=2');
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127 get('/t4.html', 'max-age=1, stale-while-revalidate=2');
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128 get('/t5.html', 'max-age=1, stale-while-revalidate=2');
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129 get('/t6.html', 'max-age=1, stale-while-revalidate=2');
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130 get('/updating/t.html', 'max-age=1');
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131 get('/updating/t2.html', 'max-age=1, stale-while-revalidate=2');
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132 get('/t8.html', 'stale-while-revalidate=10');
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133
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134 sleep 2;
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135
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136 like(http_get('/t.html?e=1'), qr/STALE/, 's-i-e - stale');
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137 like(http_get('/tt.html?e=1'), qr/STALE/, 's-i-e - stale 2');
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138 like(http_get('/t.html'), qr/REVALIDATED/, 's-i-e - revalidated');
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139
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140 like(http_get('/t2.html?e=1'), qr/STALE/, 's-w-r - revalidate error');
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141 like(http_get('/t2.html'), qr/STALE/, 's-w-r - stale while revalidate');
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142 like(http_get('/t2.html'), qr/HIT/, 's-w-r - revalidated');
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143
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144 like(get('/t4.html', 'max-age=1, stale-while-revalidate=2'), qr/STALE/,
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145 's-w-r - unconditional revalidate');
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146 like(http_get('/t4.html'), qr/HIT/, 's-w-r - unconditional revalidated');
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147
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148 like(http_get('/t5.html?e=1'), qr/STALE/,
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149 's-w-r - foreground revalidate error');
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150 like(http_get('/t5.html'), qr/REVALIDATED/, 's-w-r - foreground revalidated');
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151
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152 # UPDATING while s–w-r
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153
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154 $t->write_file('t6.html', 'SEE-THAT');
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155
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156 my $s = get('/t6.html', 'max-age=1, stale-while-revalidate=2', start => 1);
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157 select undef, undef, undef, 0.2;
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158 like(http_get('/t6.html'), qr/UPDATING.*SEE-THIS/s, 's-w-r - updating');
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159 like(http_end($s), qr/STALE.*SEE-THIS/s, 's-w-r - updating stale');
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160 like(http_get('/t6.html'), qr/HIT.*SEE-THAT/s, 's-w-r - updating revalidated');
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161
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162 # stale-while-revalidate with proxy_cache_use_stale updating
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163
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164 like(http_get('/updating/t.html'), qr/STALE/,
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165 's-w-r - use_stale updating stale');
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166 like(http_get('/updating/t.html'), qr/HIT/,
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167 's-w-r - use_stale updating revalidated');
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168
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169 # stale-while-revalidate with proxy_cache_valid
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170
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171 like(http_get('/t8.html'), qr/STALE/, 's-w-r - proxy_cache_valid revalidate');
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172 like(http_get('/t8.html'), qr/HIT/, 's-w-r - proxy_cache_valid revalidated');
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173
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174 sleep 2;
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175
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176 like(http_get('/t2.html?e=1'), qr/STALE/, 's-w-r - stale after revalidate');
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177 like(http_get('/t3.html?e=1'), qr/ 500 /, 's-w-r - ceased');
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178 like(http_get('/tt.html?e=1'), qr/ 500 /, 's-i-e - ceased');
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179 like(http_get('/updating/t2.html'), qr/STALE/,
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180 's-w-r - overriden with use_stale updating');
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181
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182 # due to the missing content_handler inheritance in a cloned subrequest,
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183 # this used to access a static file in the update request
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184
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185 like(http_get('/t2.html?if=1'), qr/STALE/, 'background update in if');
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186
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187 TODO: {
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188 local $TODO = 'not yet' unless $t->has_version('1.11.11');
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189
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190 like(http_get('/t2.html?if=1'), qr/HIT/, 'background update in if - updated');
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191
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192 }
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193
1134
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194 ###############################################################################
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195
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196 sub get {
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197 my ($url, $extra, %extra) = @_;
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198 return http(<<EOF, %extra);
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199 GET $url HTTP/1.1
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200 Host: localhost
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201 Connection: close
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202 X-Cache-Control: $extra
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203
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204 EOF
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205 }
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206
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207 ###############################################################################