#!/bin/sh

# The tree page. The checks against foo+bar cover a file name and a branch
# name that both contain a plus, which cgit percent-encodes in a path as
# well as in a query, since a bare plus in a served path reads back as a
# space through a query string.

test_description='Check content on tree page'
. ./setup.sh

test_expect_success 'generate bar/tree' 'cgit_url "bar/tree" >tmp'
test_expect_success 'find file-1' 'grep "file-1" tmp'
test_expect_success 'find file-50' 'grep "file-50" tmp'

test_expect_success 'generate bar/tree/file-50' 'cgit_url "bar/tree/file-50" >tmp'

test_expect_success 'find line 1' '
	grep "<a id=.n1. href=.#n1.>1</a>" tmp
'

test_expect_success 'no line 2' '
	! grep "<a id=.n2. href=.#n2.>2</a>" tmp
'

# The numbers and the code are two columns of text that a browser keeps in
# step only while both are set in one font. Only a browser shows the drift,
# so this checks the rule that prevents it.
test_expect_success 'the code is set in the font of its line numbers' '
	sed -n "/^div#cgit table.blob code {/,/^}/p" \
		"$TEST_OUTPUT_DIRECTORY/../assets/cgit.css" >rule &&
	grep "^  font: inherit;$" rule
'

# A browser starts a new line at more characters than git ends one at, and
# each would push the rest of the code a line below its numbers.
test_expect_success 'set up a file holding the characters a browser breaks at' '
	test_create_repo repos/breaks &&
	(
		cd repos/breaks &&
		printf "a\\rb\\vc\\fd\\302\\205e\\342\\200\\250f\\342\\200\\251g\\nh\\r\\ni\\r" >breaks.txt &&
		git add breaks.txt &&
		git commit -m breaks
	) &&
	{
		echo "virtual-root=/" &&
		echo "cache-size=0" &&
		echo "enable-blame=1" &&
		echo "repo.url=breaks" &&
		echo "repo.path=$PWD/repos/breaks/.git"
	} >breaksrc
'

test_expect_success 'each of them is shown as an escape in the tree' '
	CGIT_CONFIG="$PWD/breaksrc" QUERY_STRING="url=breaks/tree/breaks.txt" cgit >tmp &&
	grep "<code>a<span class=.escape.>\\\\r</span>b<span class=.escape.>\\\\v</span>c" tmp &&
	grep "c<span class=.escape.>\\\\f</span>d<span class=.escape.>\\\\u0085</span>e" tmp &&
	grep "e<span class=.escape.>\\\\u2028</span>f<span class=.escape.>\\\\u2029</span>g$" tmp
'

test_expect_success 'only a carriage return before a line feed is left as it is' '
	printf "h\\r\\n" >expect &&
	grep "^h" tmp >actual &&
	test_cmp expect actual &&
	grep "^i<span class=.escape.>\\\\r</span></code>" tmp
'

test_expect_success 'the numbers count only the lines git counts' '
	grep "<a id=.n3. href=.#n3.>3</a>" tmp &&
	! grep "<a id=.n4. href=.#n4.>4</a>" tmp
'

test_expect_success 'the blame page escapes them the same way' '
	CGIT_CONFIG="$PWD/breaksrc" QUERY_STRING="url=breaks/blame/breaks.txt" cgit >tmp &&
	grep "<code>a<span class=.escape.>\\\\r</span>b<span class=.escape.>\\\\v</span>c" tmp &&
	grep "e<span class=.escape.>\\\\u2028</span>f<span class=.escape.>\\\\u2029</span>g$" tmp &&
	grep "^i<span class=.escape.>\\\\r</span></code>" tmp
'

# The striped background is padded with spaces to the widest line, which is
# 31 columns once its six escapes are written out, though it is 18 bytes.
test_expect_success 'the blame stripes are as wide as the escaped line' '
	grep "^ \\{31\\}</pre></div>" tmp
'

test_expect_success 'generate foo+bar/tree' 'cgit_url "foo%2bbar/tree" >tmp'

test_expect_success 'verify a+b link' '
	grep "/foo%2Bbar/tree/a%2Bb" tmp
'

test_expect_success 'generate foo+bar/tree?h=1+2' 'cgit_url "foo%2bbar/tree&h=1%2b2" >tmp'

test_expect_success 'verify a+b?h=1+2 link' '
	grep "/foo%2Bbar/tree/a%2Bb?h=1%2B2" tmp
'

test_expect_success 'set up a repo with a nested submodule' '
	mkrepo repos/submodules 1 &&
	(
		cd repos/submodules &&
		sub=$(git rev-parse HEAD) &&
		git update-index --add --cacheinfo 160000,$sub,vendor/sub &&
		git commit -m gitlink
	) &&
	{
		echo "virtual-root=/" &&
		echo "cache-size=0" &&
		echo "enable-blame=1" &&
		echo "repo.url=submodules" &&
		echo "repo.path=$PWD/repos/submodules/.git"
	} >submodrc
'

test_expect_success 'generate submodules/tree/vendor' '
	CGIT_CONFIG="$PWD/submodrc" QUERY_STRING="url=submodules/tree/vendor" cgit >tmp
'

test_expect_success 'a submodule row shows the entry name alone' '
	grep "class=.ls-mod.>sub</span>" tmp &&
	! grep ">vendor/sub</span>" tmp
'

test_expect_success 'the submodule hash is titled with the full id' '
	sub=$(git -C repos/submodules rev-parse HEAD~1) &&
	grep "class=.ls-mod-hash. title=.$sub.>" tmp
'

test_expect_success 'a submodule row shows no size' '
	grep "ls-mod" tmp >row &&
	grep "class=.ls-size.>-</td>" row
'

test_expect_success 'a submodule row offers log but not blame or plain' '
	grep "ls-mod" tmp >row &&
	grep ">log</a>" row &&
	! grep ">blame</a>" row &&
	! grep ">plain</a>" row
'

test_expect_success 'a file row still offers blame' '
	CGIT_CONFIG="$PWD/submodrc" QUERY_STRING="url=submodules/tree/" cgit >tmp &&
	grep ">blame</a>" tmp
'

# A link target inside the tree becomes a link, while an absolute one names a
# file on whatever machine checks the tree out, not a path in the tree.
test_expect_success 'only a link target inside the tree is linked' '
	test_create_repo repos/links &&
	(
		cd repos/links &&
		echo hi >target.txt &&
		git add target.txt &&
		rel=$(printf target.txt | git hash-object -w --stdin) &&
		abs=$(printf /etc/passwd | git hash-object -w --stdin) &&
		git update-index --add --cacheinfo 120000,$rel,rel &&
		git update-index --add --cacheinfo 120000,$abs,abs &&
		git commit -m links
	) &&
	{
		echo "virtual-root=/" &&
		echo "cache-size=0" &&
		echo "repo.url=links" &&
		echo "repo.path=$PWD/repos/links/.git"
	} >linksrc &&
	CGIT_CONFIG="$PWD/linksrc" QUERY_STRING="url=links/tree/" cgit >tmp &&
	grep " -> <a class=.ls-blob. href=./links/tree/target.txt.>target.txt</a>" tmp &&
	grep " -> /etc/passwd</td>" tmp &&
	! grep "href=./links/tree/etc/passwd" tmp
'

# A row follows a chain of single directories for a set number of levels and
# stops on the last one it links, with no separator left hanging after it.
test_expect_success 'a long directory chain ends on a link' '
	test_create_repo repos/deep &&
	(
		cd repos/deep &&
		p=d1 &&
		for i in $(test_seq 2 17)
		do
			p=$p/d$i || return 1
		done &&
		mkdir -p $p &&
		echo deep >$p/file &&
		git add . &&
		git commit -m deep
	) &&
	{
		echo "virtual-root=/" &&
		echo "cache-size=0" &&
		echo "repo.url=deep" &&
		echo "repo.path=$PWD/repos/deep/.git"
	} >deeprc &&
	CGIT_CONFIG="$PWD/deeprc" QUERY_STRING="url=deep/tree/" cgit >tmp &&
	grep ">d15</a></td>" tmp &&
	! grep " / </td>" tmp
'

test_expect_success 'a binary file in the tree shows as a hex dump' '
	test_create_repo repos/bin &&
	(
		cd repos/bin &&
		printf "\\000\\001\\002bin" >blob.bin &&
		git add blob.bin &&
		git commit -m binary
	) &&
	{
		echo "virtual-root=/" &&
		echo "cache-size=0" &&
		echo "repo.url=bin" &&
		echo "repo.path=$PWD/repos/bin/.git"
	} >binrc &&
	CGIT_CONFIG="$PWD/binrc" QUERY_STRING="url=bin/tree/blob.bin" cgit >tmp &&
	grep "<table class=.bin-blob.>" tmp &&
	grep "<td class=.right.>0000</td><td class=.hex.> 00 01 02 62 69 6e" tmp
'

test_done