Mercurial > hg > nginx-tests
view proxy_cache_revalidate.t @ 1990:85d88cd5091c
Tests: SSI include stub tests.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 04 Jul 2024 17:42:55 +0300 |
parents | fc3722dd8862 |
children |
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#!/usr/bin/perl # (C) Maxim Dounin # Tests for http proxy cache revalidation with conditional requests. ############################################################################### use warnings; use strict; use Test::More; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; my $t = Test::Nginx->new()->has(qw/http proxy cache rewrite/)->plan(23) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } http { %%TEST_GLOBALS_HTTP%% proxy_cache_path %%TESTDIR%%/cache levels=1:2 keys_zone=one:1m; proxy_cache_revalidate on; server { listen 127.0.0.1:8080; server_name localhost; location / { proxy_pass http://127.0.0.1:8081; proxy_cache one; proxy_cache_valid 200 404 2s; add_header X-Cache-Status $upstream_cache_status; } } server { listen 127.0.0.1:8081; server_name localhost; location / { } location /etag/ { proxy_pass http://127.0.0.1:8081/; proxy_hide_header Last-Modified; } location /201 { add_header Last-Modified "Mon, 02 Mar 2015 17:20:58 GMT"; add_header Cache-Control "max-age=1"; add_header X-If-Modified-Since $http_if_modified_since; return 201; } } } EOF my $d = $t->testdir(); $t->write_file('t', 'SEE-THIS'); $t->write_file('t2', 'SEE-THIS'); $t->write_file('t3', 'SEE-THIS'); $t->run(); ############################################################################### # request documents and make sure they are cached like(http_get('/t'), qr/X-Cache-Status: MISS.*SEE/ms, 'request'); like(http_get('/t'), qr/X-Cache-Status: HIT.*SEE/ms, 'request cached'); like(http_get('/t2'), qr/X-Cache-Status: MISS.*SEE/ms, '2nd request'); like(http_get('/t2'), qr/X-Cache-Status: HIT.*SEE/ms, '2nd request cached'); like(http_get('/etag/t'), qr/X-Cache-Status: MISS.*SEE/ms, 'etag'); like(http_get('/etag/t'), qr/X-Cache-Status: HIT.*SEE/ms, 'etag cached'); like(http_get('/etag/t2'), qr/X-Cache-Status: MISS.*SEE/ms, 'etag2'); like(http_get('/etag/t2'), qr/X-Cache-Status: HIT.*SEE/ms, 'etag2 cached'); like(http_get('/201'), qr/X-Cache-Status: MISS/, 'other status'); like(http_get('/201'), qr/X-Cache-Status: HIT/, 'other status cached'); like(http_get('/t3'), qr/SEE/, 'cache before 404'); # wait for a while for cached responses to expire select undef, undef, undef, 3.5; # 1st document isn't modified, and should be revalidated on first request # (a 304 status code will appear in backend's logs), then cached again like(http_get('/t'), qr/X-Cache-Status: REVALIDATED.*SEE/ms, 'revalidated'); like(http_get('/t'), qr/X-Cache-Status: HIT.*SEE/ms, 'cached again'); rename("$d/t3", "$d/t3_moved"); like(http_get('/t3'), qr/ 404 /, 'cache 404 response'); select undef, undef, undef, 0.1; like($t->read_file('access.log'), qr/ 304 /, 'not modified'); # 2nd document is recreated with a new content $t->write_file('t2', 'NEW'); like(http_get('/t2'), qr/X-Cache-Status: EXPIRED.*NEW/ms, 'revalidate failed'); like(http_get('/t2'), qr/X-Cache-Status: HIT.*NEW/ms, 'new response cached'); # the same for etag: # 1st document isn't modified # 2nd document is recreated like(http_get('/etag/t'), qr/X-Cache-Status: REVALIDATED.*SEE/ms, 'etag revalidated'); like(http_get('/etag/t'), qr/X-Cache-Status: HIT.*SEE/ms, 'etag cached again'); like(http_get('/etag/t2'), qr/X-Cache-Status: EXPIRED.*NEW/ms, 'etag2 revalidate failed'); like(http_get('/etag/t2'), qr/X-Cache-Status: HIT.*NEW/ms, 'etag2 new response cached'); # check that conditional requests are only used for 200/206 responses # d0ce06cb9be1 in 1.7.3 changed to ignore header filter's work to strip # the Last-Modified header when storing non-200/206 in cache; # 1573fc7875fa in 1.7.9 effectively turned it back. unlike(http_get('/201'), qr/X-If-Modified/, 'other status no revalidation'); # wait for a while for a cached 404 response to expire select undef, undef, undef, 3.5; # check that conditional requests are not used to revalidate 404 response # before fd283aa92e04 introduced in 1.7.7, this test passed by chance because # of the If-Modified-Since header that was sent with Epoch in revalidation # of responses cached without the Last-Modified header; # fd283aa92e04 leaved (an legitimate) successful revalidation of 404 by ETag # (introduced by 44b9ab7752e3 in 1.7.3), which caused the test to fail; # 1573fc7875fa in 1.7.9 changed to not revalidate non-200/206 responses but # leaked Last-Modified and ETag into 404 inherited from stale 200/206 response; # 174512857ccf in 1.7.11 fixed the leak and allowed the test to pass. rename("$d/t3_moved", "$d/t3"); like(http_get('/t3'), qr/SEE/, 'no 404 revalidation after stale 200'); ###############################################################################