Mercurial > hg > nginx-tests
view proxy_cache_vary.t @ 1569:cd6abbe0f989
Tests: added generic tests for $arg_ variables.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Fri, 08 May 2020 19:45:18 +0300 |
parents | 196d33c2bb45 |
children | e682d5ad3861 |
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#!/usr/bin/perl # (C) Maxim Dounin # Tests for http proxy cache, the Vary header. ############################################################################### use warnings; use strict; use Test::More; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; my $t = Test::Nginx->new()->has(qw/http proxy cache gzip rewrite/) ->plan(42)->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } http { %%TEST_GLOBALS_HTTP%% proxy_cache_path %%TESTDIR%%/cache keys_zone=one:1m inactive=5s; proxy_cache_key $uri; server { listen 127.0.0.1:8080; server_name localhost; add_header X-Cache-Status $upstream_cache_status; location / { proxy_pass http://127.0.0.1:8081/; proxy_cache one; } location /replace/ { proxy_pass http://127.0.0.1:8081/; proxy_cache one; } location /revalidate/ { proxy_pass http://127.0.0.1:8081/; proxy_cache one; proxy_cache_revalidate on; } location /ignore/ { proxy_pass http://127.0.0.1:8081/; proxy_cache one; proxy_ignore_headers Vary; } } server { listen 127.0.0.1:8081; server_name localhost; gzip on; gzip_min_length 0; gzip_http_version 1.0; gzip_vary on; expires 2s; location / { if ($args = "novary") { return 200 "the only variant\n"; } } location /asterisk { gzip off; add_header Vary "*"; } location /complex { gzip off; add_header Vary ",, Accept-encoding , ,"; } } } EOF $t->write_file('index.html', 'SEE-THIS'); $t->write_file('asterisk', 'SEE-THIS'); $t->write_file('complex', 'SEE-THIS'); $t->run(); ############################################################################### like(get('/', 'gzip'), qr/MISS/ms, 'first request'); like(get('/', 'gzip'), qr/HIT/ms, 'vary match cached'); like(get('/', 'deflate'), qr/MISS/ms, 'vary mismatch'); like(get('/', 'deflate'), qr/HIT/ms, 'vary mismatch cached'); like(get('/', 'foo'), qr/MISS/ms, 'vary mismatch 2'); like(get('/', 'foo'), qr/HIT/ms, 'vary mismatch 2 cached'); like(get('/', 'gzip'), qr/HIT/ms, 'multiple representations cached'); SKIP: { skip 'long tests', 6 unless $ENV{TEST_NGINX_UNSAFE}; # make sure all variants are properly expire # and removed after inactive timeout sleep(3); like(get('/', 'gzip'), qr/EXPIRED/ms, 'first expired'); like(get('/', 'deflate'), qr/EXPIRED/ms, 'second variant expired'); like(get('/', 'gzip'), qr/HIT/ms, 'first cached after expire'); like(get('/', 'deflate'), qr/HIT/ms, 'second cached after expire'); sleep(12); like(get('/', 'gzip'), qr/MISS/ms, 'first inactive removed'); like(get('/', 'deflate'), qr/MISS/ms, 'second variant removed'); } SKIP: { skip 'long tests', 6 unless $ENV{TEST_NGINX_UNSAFE}; # check if the variant which was loaded first will be properly # removed if it's not requested (but another variant is requested # at the same time) sleep(3); like(get('/', 'deflate'), qr/EXPIRED/ms, 'bump1'); sleep(3); like(get('/', 'deflate'), qr/EXPIRED/ms, 'bump2'); sleep(3); like(get('/', 'deflate'), qr/EXPIRED/ms, 'bump3'); sleep(3); like(get('/', 'deflate'), qr/EXPIRED/ms, 'bump4'); TODO: { local $TODO = 'not yet'; like(get('/', 'gzip'), qr/MISS/ms, 'first not bumped by second requests'); } like(get('/', 'deflate'), qr/HIT/ms, 'second variant cached'); } # if a response without Vary is returned to replace previously returned # responses with Vary, make sure it is then used in all cases like(get('/replace/', 'gzip'), qr/MISS/, 'replace first'); like(get('/replace/', 'deflate'), qr/MISS/, 'replace second'); sleep(3); like(get('/replace/?novary', 'deflate'), qr/EXPIRED/, 'replace novary'); like(get('/replace/?zztest', 'gzip'), qr/HIT/, 'all replaced'); # make sure revalidation of variants works fine like(get('/revalidate/', 'gzip'), qr/MISS/, 'revalidate first'); like(get('/revalidate/', 'deflate'), qr/MISS/, 'revalidate second'); sleep(3); like(get('/revalidate/', 'gzip'), qr/REVALIDATED/, 'revalidated first'); like(get('/revalidate/', 'deflate'), qr/REVALIDATED/, 'revalidated second'); like(get('/revalidate/', 'gzip'), qr/HIT/, 'revalidate first after'); like(get('/revalidate/', 'deflate'), qr/HIT/, 'revalidate second after'); # if the Vary header is ignored, cached version can be returned # regardless of request headers like(get('/ignore/', 'gzip'), qr/MISS/ms, 'another request'); like(get('/ignore/', 'deflate'), qr/HIT/ms, 'vary ignored'); # check parsing of Vary with multiple headers listed like(get('/complex', 'gzip'), qr/MISS/ms, 'vary complex first'); like(get('/complex', 'deflate'), qr/MISS/ms, 'vary complex second'); like(get('/complex', 'gzip'), qr/HIT/ms, 'vary complex first cached'); like(get('/complex', 'deflate'), qr/HIT/ms, 'vary complex second cached'); # From RFC 7231, "7.1.4. Vary", # http://tools.ietf.org/html/rfc7231#section-7.1.4: # # A Vary field value of "*" signals that anything about the request # might play a role in selecting the response representation, possibly # including elements outside the message syntax (e.g., the client's # network address). A recipient will not be able to determine whether # this response is appropriate for a later request without forwarding # the request to the origin server. # # In theory, If-None-Match can be used to check if the representation # present in the cache is appropriate. This seems to be only possible # with strong entity tags though, as representation with different # content condings may share the same weak entity tag. like(get('/asterisk', 'gzip'), qr/MISS/ms, 'vary asterisk first'); like(get('/asterisk', 'gzip'), qr/MISS/ms, 'vary asterisk second'); # From RFC 7234, "4.1. Calculating Secondary Keys with Vary", # http://tools.ietf.org/html/rfc7234#section-4.1: # # The selecting header fields from two requests are defined to match if # and only if those in the first request can be transformed to those in # the second request by applying any of the following: # # o adding or removing whitespace, where allowed in the header field's # syntax # # o combining multiple header fields with the same field name (see # Section 3.2 of [RFC7230]) # # o normalizing both header field values in a way that is known to # have identical semantics, according to the header field's # specification (e.g., reordering field values when order is not # significant; case-normalization, where values are defined to be # case-insensitive) # # Only whitespace normalization is currently implemented. like(get('/', 'foo, bar'), qr/MISS/ms, 'normalize first'); like(get('/', 'foo,bar'), qr/HIT/ms, 'normalize whitespace'); like(get('/', 'foo,, ,bar , '), qr/HIT/ms, 'normalize empty'); like(get('/', 'foobar'), qr/MISS/ms, 'normalize no whitespace mismatch'); TODO: { local $TODO = 'not yet'; like(get('/', 'bar,foo'), qr/HIT/ms, 'normalize order'); } ############################################################################### sub get { my ($url, $extra) = @_; return http(<<EOF); GET $url HTTP/1.1 Host: localhost Connection: close Accept-Encoding: $extra EOF } ###############################################################################