#!/bin/sh

test_description='Check ESI frame and fragment output'
. ./setup.sh

test_expect_success 'esi-diff is a 404 when ESI is disabled' '
	cgit_url "foo/esi-diff&id=HEAD" >tmp &&
	grep "Status: 404" tmp
'

test_expect_success 'commit page has no ESI markup when ESI is disabled' '
	cgit_url "foo/commit" >tmp &&
	! grep -e "esi:include" -e "Surrogate-Control" -e "<base " tmp
'

test_expect_success 'enable ESI' '
	rm -f cache/* &&
	echo "enable-esi=1" >>cgitrc
'

test_expect_success 'generate foo/commit frame' '
	head=$(cd repos/foo && git rev-parse HEAD) &&
	parent=$(cd repos/foo && git rev-parse HEAD^) &&
	cgit_url "foo/commit" >tmp
'

test_expect_success 'frame announces ESI' '
	grep "^Surrogate-Control: content=.ESI/1.0.$" tmp
'

test_expect_success 'frame sets base to the repo root' '
	grep "<base href=./foo/./>" tmp
'

test_expect_success 'frame keeps header, tabs and commit info' '
	grep "<table class=.tabs.>" tmp &&
	grep "<div class=.commit-subject.>commit 5<" tmp &&
	grep "<a href=./foo/tree/.>" tmp
'

test_expect_success 'frame includes fragment with resolved ids' '
	grep "<esi:include src=./foo/esi-diff/?id=$head&id2=$parent&dt=0./>" tmp
'

test_expect_success 'frame contains no diff' '
	! grep "class=.diffstat." tmp &&
	! grep "class=.diff." tmp
'

test_expect_success 'generate fragment' '
	cgit_url "foo/esi-diff&id=$head&id2=$parent&dt=0" >tmp
'

test_expect_success 'fragment has no layout' '
	! grep "<html" tmp &&
	! grep "<table class=.tabs.>" tmp &&
	! grep "diff options" tmp
'

test_expect_success 'fragment has the diff' '
	grep "<table summary=.diffstat. class=.diffstat.>" tmp &&
	grep "<div class=.add.>+5</div>" tmp
'

test_expect_success 'fragment links are relative and carry no repo' '
	grep "<a href=.diff/file-5?id=$head&amp;id2=$parent.>file-5</a>" tmp &&
	grep "+++ b/<a href=.tree/file-5?id=$head.>file-5</a>" tmp &&
	! grep "/foo/" tmp
'

test_expect_success 'fragment ignores branch parameter' '
	cgit_url "foo/esi-diff&id=$head&id2=$parent&dt=0&h=master" >tmp2 &&
	! grep "h=master" tmp2
'

test_expect_success 'ssdiff fragment links are relative' '
	cgit_url "foo/esi-diff&id=$head&id2=$parent&dt=1" >tmp &&
	grep "<table summary=.ssdiff. class=.ssdiff.>" tmp &&
	grep "+++ b/<a href=.tree/file-5?id=$head.>file-5</a>" tmp &&
	grep "<a href=.diff/file-5?id=$head&amp;id2=$parent&amp;dt=1.>file-5</a>" tmp &&
	! grep "/foo/" tmp
'

test_expect_success 'root commit frame omits id2' '
	root=$(cd repos/foo && git rev-list --reverse HEAD | head -1) &&
	cgit_url "foo/commit&id=$root" >tmp &&
	grep "<esi:include src=./foo/esi-diff/?id=$root&dt=0./>" tmp
'

test_expect_success 'root commit fragment renders' '
	cgit_url "foo/esi-diff&id=$root&dt=0" >tmp &&
	grep "<a href=.diff/file-1?id=$root.>file-1</a>" tmp
'

test_expect_success 'diff page is a frame too' '
	cgit_url "foo/diff" >tmp &&
	grep "^Surrogate-Control:" tmp &&
	grep "diff options" tmp &&
	grep "<esi:include src=./foo/esi-diff/?id=$head&id2=$parent&dt=0./>" tmp
'

test_expect_success 'diff options are carried into the fragment URL' '
	cgit_url "foo/diff&dt=1&context=5&ignorews=1" >tmp &&
	grep "<esi:include src=./foo/esi-diff/?id=$head&id2=$parent&dt=1&context=5&ignorews=1./>" tmp
'

test_expect_success 'symbolic id resolves to the same fragment' '
	cgit_url "foo/commit&id=master" >tmp &&
	grep "<esi:include src=./foo/esi-diff/?id=$head&id2=$parent&dt=0./>" tmp
'

test_expect_success 'fragment without id is a 400' '
	cgit_url "foo/esi-diff" >tmp &&
	grep "Status: 400" tmp
'

test_expect_success 'rawdiff is untouched' '
	cgit_url "foo/rawdiff" >tmp &&
	! grep "esi:include" tmp &&
	grep "^+5$" tmp
'

test_expect_success 'fragments are cached under a repo-neutral key' '
	cgit_query "p=ls_cache" >tmp &&
	grep " esi-diff/?id=$head&id2=$parent&dt=0&context=0&ignorews=0$" tmp &&
	grep " esi-diff/?id=$head&id2=$parent&dt=1&context=0&ignorews=0$" tmp &&
	! grep "foo/esi-diff&id=$head" tmp
'

test_done