vtest "cgit ESI diff fragments are shared across repositories"
# Run with: varnishtest -D cgit_vcl=$PWD/cgit-esi.vcl cgit-esi.vtc
server s1 {
# Frame for the commit as seen through fork a.git
rxreq
expect req.url == "/a.git/commit/?id=abc"
txresp -hdr {Surrogate-Control: content="ESI/1.0"} \
-body {A::Z}
# The fragment, fetched exactly once
rxreq
expect req.url == "/a.git/esi-diff/?id=abc&id2=def&dt=0"
expect req.http.Cookie ==
txresp -body {DIFF
}
# Frame for the same commit through fork b.git; no fragment fetch follows
rxreq
expect req.url == "/b.git/commit/?id=abc&h=next"
txresp -hdr {Surrogate-Control: content="ESI/1.0"} \
-body {B::Z}
# A different diff option is a different fragment
rxreq
expect req.url == "/b.git/commit/?id=abc&dt=1"
txresp -hdr {Surrogate-Control: content="ESI/1.0"} \
-body {B::Z}
rxreq
expect req.url == "/b.git/esi-diff/?id=abc&id2=def&dt=1"
txresp -body {}
} -start
varnish v1 -vcl+backend {
include "${cgit_vcl}";
} -start
client c1 {
txreq -url "/a.git/commit/?id=abc" -hdr "Cookie: session=1"
rxresp
expect resp.status == 200
expect resp.http.Surrogate-Control ==
expect resp.body == "A:DIFF
:Z"
txreq -url "/b.git/commit/?id=abc&h=next"
rxresp
expect resp.status == 200
expect resp.body == "B:DIFF
:Z"
txreq -url "/b.git/commit/?id=abc&dt=1"
rxresp
expect resp.status == 200
expect resp.body == "B::Z"
# Fragments cannot be fetched from the outside
txreq -url "/a.git/esi-diff/?id=abc&id2=def&dt=0"
rxresp
expect resp.status == 403
} -run
# Two frames, two distinct fragments: four backend fetches in total, i.e.
# the second fork did not re-render the diff.
varnish v1 -expect n_object == 4
varnish v1 -expect cache_hit == 1