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varnishtest "Vary support"
#REQUIRE_VERSION=2.4
feature ignore_unknown_macro
server s1 {
# Response varying on "accept-encoding" with
# an unacceptable content-encoding
rxreq
expect req.url == "/accept-encoding"
txresp -hdr "Content-Encoding: gzip" \
-hdr "Vary: accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-bodylen 45
# Response varying on "accept-encoding"
rxreq
expect req.url == "/accept-encoding"
txresp -hdr "Content-Encoding: gzip" \
-hdr "Vary: accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-bodylen 45
# Response varying on "accept-encoding" with
# no content-encoding
rxreq
expect req.url == "/accept-encoding"
txresp -hdr "Content-Type: text/plain" \
-hdr "Vary: accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-bodylen 48
# Response varying on "accept-encoding" but having two different encodings
rxreq
expect req.url == "/accept-encoding-multiple"
txresp -hdr "Vary: accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-bodylen 51
# Unmanaged vary
rxreq
expect req.url == "/unmanaged"
txresp -hdr "Vary: accept-encoding,unmanaged" \
-hdr "Cache-Control: max-age=5" \
-bodylen 51
rxreq
expect req.url == "/unmanaged"
txresp -hdr "Vary: accept-encoding,unmanaged" \
-hdr "Cache-Control: max-age=5" \
-bodylen 51
# Mixed Vary (Accept-Encoding + Referer)
rxreq
expect req.url == "/referer-accept-encoding"
txresp -hdr "Vary: accept-encoding,referer" \
-hdr "Cache-Control: max-age=5" \
-hdr "Content-Encoding: gzip" \
-bodylen 51
rxreq
expect req.url == "/referer-accept-encoding"
txresp -hdr "Vary: referer,accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-hdr "Content-Encoding: br" \
-bodylen 54
rxreq
expect req.url == "/referer-accept-encoding"
txresp -hdr "Vary: referer,accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-hdr "Content-Encoding: gzip" \
-bodylen 57
# Multiple Accept-Encoding headers
rxreq
expect req.url == "/multiple_headers"
txresp -hdr "Vary: accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-hdr "Content-Encoding: br" \
-bodylen 155
rxreq
expect req.url == "/multiple_headers"
txresp -hdr "Vary: accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-hdr "Content-Encoding: br" \
-bodylen 166
# Too many Accept-Encoding values (we will not cache responses with more than 16 encodings)
rxreq
expect req.url == "/too_many_encodings"
txresp -hdr "Vary: accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-hdr "Content-Encoding: gzip" \
-bodylen 177
rxreq
expect req.url == "/too_many_encodings"
txresp -hdr "Vary: accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-hdr "Content-Encoding: gzip" \
-bodylen 188
rxreq
expect req.url == "/empty-vs-missing"
txresp -hdr "Content-Encoding: gzip" \
-hdr "Vary: accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-bodylen 234
rxreq
expect req.url == "/empty-vs-missing"
txresp -hdr "Vary: accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-bodylen 256
} -start
server s2 {
# Responses that should not be cached
rxreq
expect req.url == "/no_vary_support"
txresp -hdr "Vary: accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-bodylen 57
rxreq
expect req.url == "/no_vary_support"
txresp -hdr "Vary: accept-encoding" \
-hdr "Cache-Control: max-age=5" \
-bodylen 57
} -start
haproxy h1 -conf {
global
# WT: limit false-positives causing "HTTP header incomplete" due to
# idle server connections being randomly used and randomly expiring
# under us.
tune.idle-pool.shared off
defaults
mode http
timeout connect "${HAPROXY_TEST_TIMEOUT-5s}"
timeout client "${HAPROXY_TEST_TIMEOUT-5s}"
timeout server "${HAPROXY_TEST_TIMEOUT-5s}"
frontend fe
bind "fd@${fe}"
use_backend no_vary_be if { path_beg /no_vary_support }
default_backend test
backend test
http-request cache-use my_cache
server www ${s1_addr}:${s1_port}
http-response cache-store my_cache
http-response set-header X-Cache-Hit %[res.cache_hit]
backend no_vary_be
http-request cache-use no_vary_cache
server www ${s2_addr}:${s2_port}
http-response cache-store no_vary_cache
http-response set-header X-Cache-Hit %[res.cache_hit]
cache my_cache
total-max-size 3
max-age 20
max-object-size 3072
process-vary on
cache no_vary_cache
total-max-size 3
max-age 20
max-object-size 3072
process-vary off
} -start
client c1 -connect ${h1_fe_sock} {
# Accept-Encoding Vary
txreq -url "/accept-encoding" -hdr "Accept-Encoding: first_value"
rxresp
expect resp.status == 200
expect resp.http.content-encoding == "gzip"
expect resp.bodylen == 45
# The response for the first request had an unacceptable `content-encoding`
# which might happen if that's the only thing the server supports, but
# we must not cache that and instead defer to the server.
txreq -url "/accept-encoding" -hdr "Accept-Encoding: first_value"
rxresp
expect resp.status == 200
expect resp.http.content-encoding == "gzip"
expect resp.bodylen == 45
expect resp.http.X-Cache-Hit == 0
txreq -url "/accept-encoding" -hdr "Accept-Encoding: second_value"
rxresp
expect resp.status == 200
expect resp.bodylen == 48
expect resp.http.content-type == "text/plain"
expect resp.http.X-Cache-Hit == 0
# This request matches the cache entry for the request above, despite
# matching the `accept-encoding` of the first request because the
# request above only has the `identity` encoding which is implicitly
# added, unless explicitly forbidden.
txreq -url "/accept-encoding" -hdr "Accept-Encoding: first_value"
rxresp
expect resp.status == 200
expect resp.bodylen == 48
expect resp.http.content-type == "text/plain"
expect resp.http.X-Cache-Hit == 1
txreq -url "/accept-encoding" -hdr "Accept-Encoding: second_value"
rxresp
expect resp.status == 200
expect resp.bodylen == 48
expect resp.http.content-type == "text/plain"
expect resp.http.X-Cache-Hit == 1
# The accept-encoding normalizer function converts the header values
# to lower case then calculates the hash of every sub part before
# sorting the hashes and xor'ing them (while removing duplicates).
txreq -url "/accept-encoding-multiple" -hdr "Accept-Encoding: first,second"
rxresp
expect resp.status == 200
expect resp.bodylen == 51
expect resp.http.X-Cache-Hit == 0
txreq -url "/accept-encoding-multiple" -hdr "Accept-Encoding: first,second"
rxresp
expect resp.status == 200
expect resp.bodylen == 51
expect resp.http.X-Cache-Hit == 1
txreq -url "/accept-encoding-multiple" -hdr "Accept-Encoding: second,first"
rxresp
expect resp.status == 200
expect resp.bodylen == 51
expect resp.http.X-Cache-Hit == 1
txreq -url "/accept-encoding-multiple" -hdr "Accept-Encoding: FirsT,SECOND,first"
rxresp
expect resp.status == 200
expect resp.bodylen == 51
expect resp.http.X-Cache-Hit == 1
# Unmanaged vary
txreq -url "/unmanaged" -hdr "Accept-Encoding: first_value"
rxresp
expect resp.status == 200
expect resp.bodylen == 51
expect resp.http.X-Cache-Hit == 0
txreq -url "/unmanaged" -hdr "Accept-Encoding: first_value"
rxresp
expect resp.status == 200
expect resp.bodylen == 51
expect resp.http.X-Cache-Hit == 0
# Mixed Vary (Accept-Encoding + Referer)
txreq -url "/referer-accept-encoding" \
-hdr "Accept-Encoding: br, gzip" \
-hdr "Referer: referer"
rxresp
expect resp.status == 200
expect resp.bodylen == 51
expect resp.http.X-Cache-Hit == 0
txreq -url "/referer-accept-encoding" \
-hdr "Accept-Encoding: br" \
-hdr "Referer: other-referer"
rxresp
expect resp.status == 200
expect resp.bodylen == 54
expect resp.http.X-Cache-Hit == 0
txreq -url "/referer-accept-encoding" \
-hdr "Accept-Encoding: gzip" \
-hdr "Referer: other-referer"
rxresp
expect resp.status == 200
expect resp.bodylen == 57
expect resp.http.X-Cache-Hit == 0
txreq -url "/referer-accept-encoding" \
-hdr "Referer: referer" \
-hdr "Accept-Encoding: gzip, br"
rxresp
expect resp.status == 200
expect resp.bodylen == 51
expect resp.http.X-Cache-Hit == 1
txreq -url "/referer-accept-encoding" \
-hdr "Accept-Encoding: br" \
-hdr "Referer: other-referer"
rxresp
expect resp.status == 200
expect resp.bodylen == 54
expect resp.http.X-Cache-Hit == 1
txreq -url "/referer-accept-encoding" \
-hdr "Accept-Encoding: gzip" \
-hdr "Referer: other-referer"
rxresp
expect resp.status == 200
expect resp.bodylen == 57
expect resp.http.X-Cache-Hit == 1
# Multiple Accept-encoding headers
txreq -url "/multiple_headers" \
-hdr "Accept-Encoding: gzip" \
-hdr "Accept-Encoding: br, deflate"
rxresp
expect resp.status == 200
expect resp.bodylen == 155
expect resp.http.X-Cache-Hit == 0
txreq -url "/multiple_headers" \
-hdr "Accept-Encoding: deflate" \
-hdr "Accept-Encoding: br,gzip"
rxresp
expect resp.status == 200
expect resp.bodylen == 155
expect resp.http.X-Cache-Hit == 1
# Should not match a cache entry
txreq -url "/multiple_headers" \
-hdr "Accept-Encoding: first_encoding"
rxresp
expect resp.status == 200
expect resp.bodylen == 166
expect resp.http.X-Cache-Hit == 0
# Too many accept encodings
txreq -url "/too_many_encodings" \
-hdr "Accept-Encoding: a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15,a16,a17"
rxresp
expect resp.status == 200
expect resp.bodylen == 177
expect resp.http.X-Cache-Hit == 0
txreq -url "/too_many_encodings" \
-hdr "Accept-Encoding: a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15,a16,a17"
rxresp
expect resp.status == 200
expect resp.bodylen == 188
expect resp.http.X-Cache-Hit == 0
# A missing 'Accept-Encoding' implies that anything is acceptable,
# while an empty 'Accept-Encoding' implies nothing is acceptable.
# Start by caching a gzip response.
txreq -url "/empty-vs-missing" -hdr "Accept-Encoding: gzip"
rxresp
expect resp.status == 200
expect resp.bodylen == 234
expect resp.http.content-encoding == "gzip"
expect resp.http.X-Cache-Hit == 0
# Check that it is cached.
txreq -url "/empty-vs-missing" -hdr "Accept-Encoding: gzip"
rxresp
expect resp.status == 200
expect resp.bodylen == 234
expect resp.http.content-encoding == "gzip"
expect resp.http.X-Cache-Hit == 1
# Check that the cached response is returned when no accept-encoding is
# specified.
txreq -url "/empty-vs-missing"
rxresp
expect resp.status == 200
expect resp.bodylen == 234
expect resp.http.content-encoding == "gzip"
expect resp.http.X-Cache-Hit == 1
# Check that the cached response is not returned when an empty
# accept-encoding is specified.
txreq -url "/empty-vs-missing" -hdr "Accept-Encoding:"
rxresp
expect resp.status == 200
expect resp.bodylen == 256
expect resp.http.content-encoding == "<undef>"
expect resp.http.X-Cache-Hit == 0
# The following requests are treated by a backend that does not cache
# responses containing a Vary header
txreq -url "/no_vary_support"
rxresp
expect resp.status == 200
expect resp.bodylen == 57
expect resp.http.X-Cache-Hit == 0
txreq -url "/no_vary_support"
rxresp
expect resp.status == 200
expect resp.bodylen == 57
expect resp.http.X-Cache-Hit == 0
} -run
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