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varnishtest "Caching rules test"
# A response will not be cached unless it has an explicit age (Cache-Control max-age of s-maxage, Expires) or a validator (Last-Modified, or ETag)
# A response will not be cached either if it has an Age header that is either invalid (should be an integer) or greater than its max age.
#REQUIRE_VERSION=2.4
feature ignore_unknown_macro
server s1 {
rxreq
expect req.url == "/max-age"
txresp -hdr "Cache-Control: max-age=5" \
-bodylen 150
rxreq
expect req.url == "/s-maxage"
txresp -hdr "Cache-Control: s-maxage=5" \
-bodylen 160
rxreq
expect req.url == "/last-modified"
txresp -hdr "Last-Modified: Thu, 22 Oct 2020 16:51:12 GMT" \
-bodylen 180
rxreq
expect req.url == "/etag"
txresp -hdr "ETag: \"etag\"" \
-bodylen 190
rxreq
expect req.url == "/uncacheable"
txresp \
-bodylen 200
rxreq
expect req.url == "/uncacheable"
txresp \
-bodylen 210
# Age response header checks
# Invalid age
rxreq
expect req.url == "/invalid_age"
txresp -hdr "Cache-Control: max-age=5" \
-hdr "Age: abc" -bodylen 120
rxreq
expect req.url == "/invalid_age"
txresp -hdr "Cache-Control: max-age=5" \
-hdr "Age: abc" -bodylen 120
# Old age (greater than max age)
rxreq
expect req.url == "/old_age"
txresp -hdr "Cache-Control: max-age=5" \
-hdr "Age: 10" -bodylen 130
rxreq
expect req.url == "/old_age"
txresp -hdr "Cache-Control: max-age=5" \
-hdr "Age: 10" -bodylen 130
# Good age
rxreq
expect req.url == "/good_age"
txresp -hdr "Cache-Control: max-age=500" \
-hdr "Age: 100" -bodylen 140
# "Control-Cache: no-cache" on client request but still stored in cache
rxreq
expect req.url == "/nocache"
txresp -hdr "Cache-Control: max-age=500" \
-hdr "Age: 100" -bodylen 140
rxreq
expect req.url == "/nocache"
txresp -hdr "Cache-Control: max-age=500" \
-hdr "Age: 100" -bodylen 140
# max-age=0
rxreq
expect req.url == "/maxage_zero"
txresp -hdr "Cache-Control: max-age=0" \
-bodylen 150
rxreq
expect req.url == "/maxage_zero"
txresp -hdr "Cache-Control: max-age=0" \
-bodylen 150
# Overridden null max-age
rxreq
expect req.url == "/overridden"
txresp -hdr "Cache-Control: max-age=1, s-maxage=5" \
-bodylen 160
rxreq
expect req.url == "/overridden_null_maxage"
txresp -hdr "Cache-Control: max-age=0, s-maxage=5" \
-bodylen 190
} -start
server s2 {
rxreq
expect req.url == "/expires"
# Expires header is filled directly by the expires_be backend"
txresp \
-bodylen 170
} -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 expires_be if { path_beg /expires }
default_backend test
backend expires_be
http-request cache-use my_cache
server www ${s2_addr}:${s2_port}
http-response set-header X-Cache-Hit %[res.cache_hit]
# Expires value set in the future (current_time+5s)
http-response set-header Expires %[date(5),http_date]
http-response cache-store my_cache
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]
cache my_cache
total-max-size 3
max-age 20
max-object-size 3072
} -start
client c1 -connect ${h1_fe_sock} {
txreq -url "/max-age"
rxresp
expect resp.status == 200
expect resp.bodylen == 150
txreq -url "/max-age"
rxresp
expect resp.status == 200
expect resp.bodylen == 150
expect resp.http.X-Cache-Hit == 1
txreq -url "/s-maxage"
rxresp
expect resp.status == 200
expect resp.bodylen == 160
txreq -url "/s-maxage"
rxresp
expect resp.status == 200
expect resp.bodylen == 160
expect resp.http.X-Cache-Hit == 1
txreq -url "/expires"
rxresp
expect resp.status == 200
expect resp.bodylen == 170
txreq -url "/expires"
rxresp
expect resp.status == 200
expect resp.bodylen == 170
expect resp.http.X-Cache-Hit == 1
txreq -url "/last-modified"
rxresp
expect resp.status == 200
expect resp.bodylen == 180
txreq -url "/last-modified"
rxresp
expect resp.status == 200
expect resp.bodylen == 180
expect resp.http.X-Cache-Hit == 1
txreq -url "/etag"
rxresp
expect resp.status == 200
expect resp.bodylen == 190
txreq -url "/etag"
rxresp
expect resp.status == 200
expect resp.bodylen == 190
expect resp.http.X-Cache-Hit == 1
# The next response should not be cached
txreq -url "/uncacheable"
rxresp
expect resp.status == 200
expect resp.bodylen == 200
txreq -url "/uncacheable"
rxresp
expect resp.status == 200
expect resp.bodylen == 210
expect resp.http.X-Cache-Hit == 0
# Age header tests
txreq -url "/invalid_age"
rxresp
expect resp.status == 200
expect resp.bodylen == 120
expect resp.http.X-Cache-Hit == 0
txreq -url "/invalid_age"
rxresp
expect resp.status == 200
expect resp.bodylen == 120
expect resp.http.X-Cache-Hit == 0
txreq -url "/old_age"
rxresp
expect resp.status == 200
expect resp.bodylen == 130
expect resp.http.X-Cache-Hit == 0
txreq -url "/old_age"
rxresp
expect resp.status == 200
expect resp.bodylen == 130
expect resp.http.X-Cache-Hit == 0
txreq -url "/good_age"
rxresp
expect resp.status == 200
expect resp.bodylen == 140
expect resp.http.X-Cache-Hit == 0
txreq -url "/good_age"
rxresp
expect resp.status == 200
expect resp.bodylen == 140
expect resp.http.X-Cache-Hit == 1
# Cache-Control: no-cache
txreq -url "/nocache" -hdr "Cache-Control: no-cache"
rxresp
expect resp.status == 200
expect resp.bodylen == 140
expect resp.http.X-Cache-Hit == 0
txreq -url "/nocache" -hdr "Cache-Control: no-cache"
rxresp
expect resp.status == 200
expect resp.bodylen == 140
expect resp.http.X-Cache-Hit == 0
txreq -url "/nocache"
rxresp
expect resp.status == 200
expect resp.bodylen == 140
expect resp.http.X-Cache-Hit == 1
# max-age=0 (control test for the overridden null max-age test below)
txreq -url "/maxage_zero"
rxresp
expect resp.status == 200
expect resp.bodylen == 150
expect resp.http.X-Cache-Hit == 0
txreq -url "/maxage_zero"
rxresp
expect resp.status == 200
expect resp.bodylen == 150
expect resp.http.X-Cache-Hit == 0
# Overridden max-age directive
txreq -url "/overridden"
rxresp
expect resp.status == 200
expect resp.bodylen == 160
expect resp.http.X-Cache-Hit == 0
txreq -url "/overridden"
rxresp
expect resp.status == 200
expect resp.bodylen == 160
expect resp.http.X-Cache-Hit == 1
txreq -url "/overridden_null_maxage"
rxresp
expect resp.status == 200
expect resp.bodylen == 190
expect resp.http.X-Cache-Hit == 0
# The previous response should have been cached even if it had
# a max-age=0 since it also had a positive s-maxage
txreq -url "/overridden_null_maxage"
rxresp
expect resp.status == 200
expect resp.bodylen == 190
expect resp.http.X-Cache-Hit == 1
} -run
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