Created
January 26, 2017 11:02
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varnishtest "Systematic revalidation" | |
server s1 { | |
rxreq | |
txresp -hdr "Etag: 01234" -body "foobar" | |
expect req.method == "GET" | |
rxreq | |
txresp -hdr "Etag: 01234" | |
expect req.method == "HEAD" | |
rxreq | |
txresp -hdr "Etag: 01234" | |
expect req.method == "HEAD" | |
rxreq | |
txresp -hdr "Etag: 56789" | |
expect req.method == "HEAD" | |
rxreq | |
txresp -hdr "Etag: 56789" -body "bazqux" | |
expect req.method == "GET" | |
rxreq | |
txresp -hdr "Etag: 56789" | |
expect req.method == "HEAD" | |
} -start | |
varnish v1 -vcl+backend { | |
sub vcl_recv { | |
if (req.restarts == 0) { | |
set req.http.x-state = "cache_check"; | |
return (hash); | |
} else if (req.http.x-state == "backend_check") { | |
return (pass); | |
} else { | |
return (hash); | |
} | |
} | |
sub vcl_hit { | |
if (req.http.x-state == "cache_check") { | |
set req.http.x-state = "backend_check"; | |
set req.http.etag = obj.http.etag; | |
return (restart); | |
} else { | |
return (deliver); | |
} | |
} | |
sub vcl_backend_fetch { | |
if (bereq.http.x-state == "backend_check") { | |
set bereq.method = "HEAD"; | |
set bereq.http.method = "HEAD"; | |
} | |
} | |
sub vcl_backend_response { | |
if (bereq.http.x-state == "backend_check") { | |
if (bereq.http.etag != beresp.http.etag) { | |
ban("obj.http.etag == " + bereq.http.etag); | |
} | |
} | |
} | |
sub vcl_deliver { | |
if (req.http.x-state == "backend_check") { | |
set req.http.x-state = "valid"; | |
return (restart); | |
} | |
} | |
} -start | |
client c1 { | |
txreq -hdr "n: 1" | |
rxresp | |
expect resp.status == 200 | |
expect resp.body == "foobar" | |
txreq -hdr "n: 2" | |
rxresp | |
expect resp.status == 200 | |
expect resp.body == "foobar" | |
txreq -hdr "n: 3" -hdr "If-None-Match: 01234" | |
rxresp | |
expect resp.status == 304 | |
txreq -hdr "n: 4" | |
rxresp | |
expect resp.status == 200 | |
expect resp.body == "bazqux" | |
txreq -hdr "n: 5" -hdr "If-None-Match: 56789" | |
rxresp | |
expect resp.status == 304 | |
} -run |
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