#!/bin/sh

# The atom page serves recent history as a feed. The checks read the content
# type, count the entries against the max-atom-items cap, and hand the feed
# to xmllint where installed, a far stricter reader than any grep here.

test_description='Check the atom feed'
. ./setup.sh

test_expect_success 'generate foo/atom' '
	cgit_url "foo/atom" >tmp
'

test_expect_success 'the response is an atom feed' '
	head -n 1 tmp | grep "Status: 200 OK" &&
	sed "/^$/q" tmp | grep "Content-Type: application/atom+xml" &&
	strip_headers <tmp >feed &&
	grep "<feed xmlns=.http://www.w3.org/2005/Atom.>" feed &&
	grep "<title>foo, branch master</title>" feed
'

test_expect_success 'every commit of a small repository is an entry' '
	test $(grep -c "<entry>" feed) -eq 5 &&
	grep "<title>commit 1</title>" feed &&
	grep "<title>commit 5</title>" feed
'

test_expect_success 'ten entries is the default ceiling' '
	cgit_url "bar/atom" >tmp &&
	strip_headers <tmp >feed &&
	test $(grep -c "<entry>" feed) -eq 10 &&
	grep "<title>commit 50</title>" feed &&
	! grep "<title>commit 40</title>" feed
'

test_expect_success 'max-atom-items overrides the ceiling' '
	{
		echo "virtual-root=/" &&
		echo "cache-size=0" &&
		echo "max-atom-items=3" &&
		echo "repo.url=bar" &&
		echo "repo.path=$PWD/repos/bar/.git"
	} >atomrc &&
	CGIT_CONFIG="$PWD/atomrc" QUERY_STRING="url=bar/atom" cgit >tmp &&
	strip_headers <tmp >feed &&
	test $(grep -c "<entry>" feed) -eq 3
'

if command -v xmllint >/dev/null 2>&1
then
	test_set_prereq XMLLINT
else
	say 'Skipping well-formedness check: xmllint not found'
fi

test_expect_success XMLLINT 'the feed is well-formed xml' '
	cgit_url "foo/atom" >tmp &&
	strip_headers <tmp >feed &&
	xmllint --noout feed
'

test_done