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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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