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Tests: proxy_no_cache tests.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 25 Jun 2024 21:46:50 +0300
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1988:b5c1c3ef2345 1989:bf027a972ccf
1 #!/usr/bin/perl
2
3 # (C) Maxim Dounin
4
5 # Tests for http proxy cache, proxy_no_cache.
6
7 ###############################################################################
8
9 use warnings;
10 use strict;
11
12 use Test::More;
13
14 BEGIN { use FindBin; chdir($FindBin::Bin); }
15
16 use lib 'lib';
17 use Test::Nginx;
18
19 ###############################################################################
20
21 select STDERR; $| = 1;
22 select STDOUT; $| = 1;
23
24 my $t = Test::Nginx->new()->has(qw/http proxy cache rewrite/)->plan(16)
25 ->write_file_expand('nginx.conf', <<'EOF');
26
27 %%TEST_GLOBALS%%
28
29 daemon off;
30
31 events {
32 }
33
34 http {
35 %%TEST_GLOBALS_HTTP%%
36
37 proxy_cache_path %%TESTDIR%%/cache keys_zone=one:1m;
38
39 server {
40 listen 127.0.0.1:8080;
41 server_name localhost;
42
43 location / {
44 proxy_pass http://127.0.0.1:8081;
45
46 proxy_cache one;
47 proxy_cache_key $uri;
48 proxy_cache_valid any 1y;
49 proxy_no_cache $arg_nocache;
50
51 proxy_intercept_errors on;
52 error_page 404 = @fallback;
53 }
54
55 location /t3 {
56 proxy_pass http://127.0.0.1:8081;
57
58 proxy_cache one;
59 proxy_cache_key $uri;
60 proxy_cache_valid any 1y;
61 proxy_no_cache $arg_nocache;
62 }
63
64 location /t4 {
65 proxy_pass http://127.0.0.1:8081;
66
67 proxy_cache one;
68 proxy_cache_key $uri;
69 proxy_cache_valid any 1s;
70 proxy_no_cache $upstream_http_x_no_cache;
71
72 proxy_cache_revalidate on;
73 }
74
75 location @fallback {
76 return 403;
77 }
78
79 add_header X-Cache-Status $upstream_cache_status always;
80 }
81
82 server {
83 listen 127.0.0.1:8081;
84 server_name localhost;
85
86 location / {
87 }
88
89 location /t3 {
90 set $nocache "";
91 if ($arg_expires) {
92 set $nocache "no-cache";
93 }
94 add_header Cache-Control $nocache;
95 add_header Transfer-Encoding invalid;
96 }
97
98 location /t4 {
99 set $nocache "";
100 if ($arg_expires) {
101 set $nocache "no-cache";
102 }
103 add_header Cache-Control $nocache;
104 add_header X-No-Cache $arg_nocache;
105 }
106 }
107 }
108
109 EOF
110
111 $t->write_file('t', 'SEE-THIS');
112 $t->write_file('t3', 'SEE-THIS');
113 $t->write_file('t4', 'SEE-THIS');
114
115 $t->run();
116
117 ###############################################################################
118
119 like(http_get('/t?nocache=1'), qr/MISS.*SEE-THIS/s, 'request');
120 like(http_get('/t'), qr/MISS.*SEE-THIS/s, 'request not cached');
121 like(http_get('/t'), qr/HIT.*SEE-THIS/s, 'request cached');
122
123 # proxy_no_cache with intercepted errors,
124 # ngx_http_upstream_intercept_errors()
125
126 like(http_get('/t2?nocache=1'), qr/403 Forbidden/, 'intercepted error');
127
128 TODO: {
129 local $TODO = 'not yet' unless $t->has_version('1.27.2');
130
131 like(http_get('/t2'), qr/403 Forbidden.*MISS/s, 'intercepted error not cached');
132
133 }
134
135 like(http_get('/t2'), qr/403 Forbidden.*HIT/s, 'intercepted error cached');
136
137 # proxy_no_cache with internal 502/504 errors,
138 # ngx_http_upstream_finalize_request()
139
140 like(http_get('/t3?nocache=1'), qr/502 Bad/, 'internal 502 error');
141
142 TODO: {
143 local $TODO = 'not yet' unless $t->has_version('1.27.2');
144
145 like(http_get('/t3?expires=1'), qr/502 Bad.*MISS/s,
146 'internal 502 error expires');
147 like(http_get('/t3'), qr/502 Bad.*MISS/s, 'internal 502 error not cached');
148
149 }
150
151 like(http_get('/t3'), qr/502 Bad.*HIT/s, 'internal 502 error cached');
152
153 # proxy_no_cache with revalidate and 304,
154 # ngx_http_upstream_test_next()
155
156 like(http_get('/t4'), qr/MISS.*SEE-THIS/s, 'revalidate');
157 like(http_get('/t4'), qr/HIT.*SEE-THIS/s, 'revalidate cached');
158 select undef, undef, undef, 2.5;
159 like(http_get('/t4?nocache=1'), qr/REVALIDATED.*SEE-THIS/s,
160 'revalidate nocache');
161
162 TODO: {
163 local $TODO = 'not yet' unless $t->has_version('1.27.2');
164
165 like(http_get('/t4?expires=1'), qr/REVALIDATED.*SEE-THIS/s,
166 'revalidate expires');
167 like(http_get('/t4'), qr/REVALIDATED.*SEE-THIS/s,
168 'revalidate again');
169
170 }
171
172 like(http_get('/t4'), qr/HIT.*SEE-THIS/s, 'revalidate again cached');
173
174 ###############################################################################